clk-tegra210.c 104 KB

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  1. /*
  2. * Copyright (c) 2012-2014 NVIDIA CORPORATION. All rights reserved.
  3. *
  4. * This program is free software; you can redistribute it and/or modify it
  5. * under the terms and conditions of the GNU General Public License,
  6. * version 2, as published by the Free Software Foundation.
  7. *
  8. * This program is distributed in the hope it will be useful, but WITHOUT
  9. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  11. * more details.
  12. *
  13. * You should have received a copy of the GNU General Public License
  14. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  15. */
  16. #include <linux/io.h>
  17. #include <linux/clk.h>
  18. #include <linux/clk-provider.h>
  19. #include <linux/clkdev.h>
  20. #include <linux/of.h>
  21. #include <linux/of_address.h>
  22. #include <linux/delay.h>
  23. #include <linux/export.h>
  24. #include <linux/clk/tegra.h>
  25. #include <dt-bindings/clock/tegra210-car.h>
  26. #include <dt-bindings/reset/tegra210-car.h>
  27. #include <linux/iopoll.h>
  28. #include "clk.h"
  29. #include "clk-id.h"
  30. /*
  31. * TEGRA210_CAR_BANK_COUNT: the number of peripheral clock register
  32. * banks present in the Tegra210 CAR IP block. The banks are
  33. * identified by single letters, e.g.: L, H, U, V, W, X, Y. See
  34. * periph_regs[] in drivers/clk/tegra/clk.c
  35. */
  36. #define TEGRA210_CAR_BANK_COUNT 7
  37. #define CLK_SOURCE_CSITE 0x1d4
  38. #define CLK_SOURCE_EMC 0x19c
  39. #define PLLC_BASE 0x80
  40. #define PLLC_OUT 0x84
  41. #define PLLC_MISC0 0x88
  42. #define PLLC_MISC1 0x8c
  43. #define PLLC_MISC2 0x5d0
  44. #define PLLC_MISC3 0x5d4
  45. #define PLLC2_BASE 0x4e8
  46. #define PLLC2_MISC0 0x4ec
  47. #define PLLC2_MISC1 0x4f0
  48. #define PLLC2_MISC2 0x4f4
  49. #define PLLC2_MISC3 0x4f8
  50. #define PLLC3_BASE 0x4fc
  51. #define PLLC3_MISC0 0x500
  52. #define PLLC3_MISC1 0x504
  53. #define PLLC3_MISC2 0x508
  54. #define PLLC3_MISC3 0x50c
  55. #define PLLM_BASE 0x90
  56. #define PLLM_MISC1 0x98
  57. #define PLLM_MISC2 0x9c
  58. #define PLLP_BASE 0xa0
  59. #define PLLP_MISC0 0xac
  60. #define PLLP_MISC1 0x680
  61. #define PLLA_BASE 0xb0
  62. #define PLLA_MISC0 0xbc
  63. #define PLLA_MISC1 0xb8
  64. #define PLLA_MISC2 0x5d8
  65. #define PLLD_BASE 0xd0
  66. #define PLLD_MISC0 0xdc
  67. #define PLLD_MISC1 0xd8
  68. #define PLLU_BASE 0xc0
  69. #define PLLU_OUTA 0xc4
  70. #define PLLU_MISC0 0xcc
  71. #define PLLU_MISC1 0xc8
  72. #define PLLX_BASE 0xe0
  73. #define PLLX_MISC0 0xe4
  74. #define PLLX_MISC1 0x510
  75. #define PLLX_MISC2 0x514
  76. #define PLLX_MISC3 0x518
  77. #define PLLX_MISC4 0x5f0
  78. #define PLLX_MISC5 0x5f4
  79. #define PLLE_BASE 0xe8
  80. #define PLLE_MISC0 0xec
  81. #define PLLD2_BASE 0x4b8
  82. #define PLLD2_MISC0 0x4bc
  83. #define PLLD2_MISC1 0x570
  84. #define PLLD2_MISC2 0x574
  85. #define PLLD2_MISC3 0x578
  86. #define PLLE_AUX 0x48c
  87. #define PLLRE_BASE 0x4c4
  88. #define PLLRE_MISC0 0x4c8
  89. #define PLLRE_OUT1 0x4cc
  90. #define PLLDP_BASE 0x590
  91. #define PLLDP_MISC 0x594
  92. #define PLLC4_BASE 0x5a4
  93. #define PLLC4_MISC0 0x5a8
  94. #define PLLC4_OUT 0x5e4
  95. #define PLLMB_BASE 0x5e8
  96. #define PLLMB_MISC1 0x5ec
  97. #define PLLA1_BASE 0x6a4
  98. #define PLLA1_MISC0 0x6a8
  99. #define PLLA1_MISC1 0x6ac
  100. #define PLLA1_MISC2 0x6b0
  101. #define PLLA1_MISC3 0x6b4
  102. #define PLLU_IDDQ_BIT 31
  103. #define PLLCX_IDDQ_BIT 27
  104. #define PLLRE_IDDQ_BIT 24
  105. #define PLLA_IDDQ_BIT 25
  106. #define PLLD_IDDQ_BIT 20
  107. #define PLLSS_IDDQ_BIT 18
  108. #define PLLM_IDDQ_BIT 5
  109. #define PLLMB_IDDQ_BIT 17
  110. #define PLLXP_IDDQ_BIT 3
  111. #define PLLCX_RESET_BIT 30
  112. #define PLL_BASE_LOCK BIT(27)
  113. #define PLLCX_BASE_LOCK BIT(26)
  114. #define PLLE_MISC_LOCK BIT(11)
  115. #define PLLRE_MISC_LOCK BIT(27)
  116. #define PLL_MISC_LOCK_ENABLE 18
  117. #define PLLC_MISC_LOCK_ENABLE 24
  118. #define PLLDU_MISC_LOCK_ENABLE 22
  119. #define PLLU_MISC_LOCK_ENABLE 29
  120. #define PLLE_MISC_LOCK_ENABLE 9
  121. #define PLLRE_MISC_LOCK_ENABLE 30
  122. #define PLLSS_MISC_LOCK_ENABLE 30
  123. #define PLLP_MISC_LOCK_ENABLE 18
  124. #define PLLM_MISC_LOCK_ENABLE 4
  125. #define PLLMB_MISC_LOCK_ENABLE 16
  126. #define PLLA_MISC_LOCK_ENABLE 28
  127. #define PLLU_MISC_LOCK_ENABLE 29
  128. #define PLLD_MISC_LOCK_ENABLE 18
  129. #define PLLA_SDM_DIN_MASK 0xffff
  130. #define PLLA_SDM_EN_MASK BIT(26)
  131. #define PLLD_SDM_EN_MASK BIT(16)
  132. #define PLLD2_SDM_EN_MASK BIT(31)
  133. #define PLLD2_SSC_EN_MASK BIT(30)
  134. #define PLLDP_SS_CFG 0x598
  135. #define PLLDP_SDM_EN_MASK BIT(31)
  136. #define PLLDP_SSC_EN_MASK BIT(30)
  137. #define PLLDP_SS_CTRL1 0x59c
  138. #define PLLDP_SS_CTRL2 0x5a0
  139. #define PMC_PLLM_WB0_OVERRIDE 0x1dc
  140. #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
  141. #define UTMIP_PLL_CFG2 0x488
  142. #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
  143. #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
  144. #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
  145. #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1)
  146. #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
  147. #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3)
  148. #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
  149. #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5)
  150. #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24)
  151. #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25)
  152. #define UTMIP_PLL_CFG1 0x484
  153. #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
  154. #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
  155. #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
  156. #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
  157. #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
  158. #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
  159. #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
  160. #define SATA_PLL_CFG0 0x490
  161. #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0)
  162. #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET BIT(2)
  163. #define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL BIT(4)
  164. #define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE BIT(5)
  165. #define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE BIT(6)
  166. #define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE BIT(7)
  167. #define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13)
  168. #define SATA_PLL_CFG0_SEQ_ENABLE BIT(24)
  169. #define XUSBIO_PLL_CFG0 0x51c
  170. #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0)
  171. #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL BIT(2)
  172. #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET BIT(6)
  173. #define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13)
  174. #define XUSBIO_PLL_CFG0_SEQ_ENABLE BIT(24)
  175. #define UTMIPLL_HW_PWRDN_CFG0 0x52c
  176. #define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK BIT(31)
  177. #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25)
  178. #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
  179. #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(7)
  180. #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
  181. #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5)
  182. #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4)
  183. #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
  184. #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1)
  185. #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0)
  186. #define PLLU_HW_PWRDN_CFG0 0x530
  187. #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28)
  188. #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
  189. #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7)
  190. #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
  191. #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
  192. #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0)
  193. #define XUSB_PLL_CFG0 0x534
  194. #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff
  195. #define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK (0x3ff << 14)
  196. #define SPARE_REG0 0x55c
  197. #define CLK_M_DIVISOR_SHIFT 2
  198. #define CLK_M_DIVISOR_MASK 0x3
  199. #define RST_DFLL_DVCO 0x2f4
  200. #define DVFS_DFLL_RESET_SHIFT 0
  201. #define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8
  202. #define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac
  203. /*
  204. * SDM fractional divisor is 16-bit 2's complement signed number within
  205. * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned
  206. * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to
  207. * indicate that SDM is disabled.
  208. *
  209. * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13
  210. */
  211. #define PLL_SDM_COEFF BIT(13)
  212. #define sdin_din_to_data(din) ((u16)((din) ? : 0xFFFFU))
  213. #define sdin_data_to_din(dat) (((dat) == 0xFFFFU) ? 0 : (s16)dat)
  214. /* Tegra CPU clock and reset control regs */
  215. #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
  216. #ifdef CONFIG_PM_SLEEP
  217. static struct cpu_clk_suspend_context {
  218. u32 clk_csite_src;
  219. } tegra210_cpu_clk_sctx;
  220. #endif
  221. static void __iomem *clk_base;
  222. static void __iomem *pmc_base;
  223. static unsigned long osc_freq;
  224. static unsigned long pll_ref_freq;
  225. static DEFINE_SPINLOCK(pll_d_lock);
  226. static DEFINE_SPINLOCK(pll_e_lock);
  227. static DEFINE_SPINLOCK(pll_re_lock);
  228. static DEFINE_SPINLOCK(pll_u_lock);
  229. static DEFINE_SPINLOCK(emc_lock);
  230. /* possible OSC frequencies in Hz */
  231. static unsigned long tegra210_input_freq[] = {
  232. [5] = 38400000,
  233. [8] = 12000000,
  234. };
  235. static const char *mux_pllmcp_clkm[] = {
  236. "pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb",
  237. "pll_p",
  238. };
  239. #define mux_pllmcp_clkm_idx NULL
  240. #define PLL_ENABLE (1 << 30)
  241. #define PLLCX_MISC1_IDDQ (1 << 27)
  242. #define PLLCX_MISC0_RESET (1 << 30)
  243. #define PLLCX_MISC0_DEFAULT_VALUE 0x40080000
  244. #define PLLCX_MISC0_WRITE_MASK 0x400ffffb
  245. #define PLLCX_MISC1_DEFAULT_VALUE 0x08000000
  246. #define PLLCX_MISC1_WRITE_MASK 0x08003cff
  247. #define PLLCX_MISC2_DEFAULT_VALUE 0x1f720f05
  248. #define PLLCX_MISC2_WRITE_MASK 0xffffff17
  249. #define PLLCX_MISC3_DEFAULT_VALUE 0x000000c4
  250. #define PLLCX_MISC3_WRITE_MASK 0x00ffffff
  251. /* PLLA */
  252. #define PLLA_BASE_IDDQ (1 << 25)
  253. #define PLLA_BASE_LOCK (1 << 27)
  254. #define PLLA_MISC0_LOCK_ENABLE (1 << 28)
  255. #define PLLA_MISC0_LOCK_OVERRIDE (1 << 27)
  256. #define PLLA_MISC2_EN_SDM (1 << 26)
  257. #define PLLA_MISC2_EN_DYNRAMP (1 << 25)
  258. #define PLLA_MISC0_DEFAULT_VALUE 0x12000020
  259. #define PLLA_MISC0_WRITE_MASK 0x7fffffff
  260. #define PLLA_MISC2_DEFAULT_VALUE 0x0
  261. #define PLLA_MISC2_WRITE_MASK 0x06ffffff
  262. /* PLLD */
  263. #define PLLD_MISC0_EN_SDM (1 << 16)
  264. #define PLLD_MISC0_LOCK_OVERRIDE (1 << 17)
  265. #define PLLD_MISC0_LOCK_ENABLE (1 << 18)
  266. #define PLLD_MISC0_IDDQ (1 << 20)
  267. #define PLLD_MISC0_DSI_CLKENABLE (1 << 21)
  268. #define PLLD_MISC0_DEFAULT_VALUE 0x00140000
  269. #define PLLD_MISC0_WRITE_MASK 0x3ff7ffff
  270. #define PLLD_MISC1_DEFAULT_VALUE 0x20
  271. #define PLLD_MISC1_WRITE_MASK 0x00ffffff
  272. /* PLLD2 and PLLDP and PLLC4 */
  273. #define PLLDSS_BASE_LOCK (1 << 27)
  274. #define PLLDSS_BASE_LOCK_OVERRIDE (1 << 24)
  275. #define PLLDSS_BASE_IDDQ (1 << 18)
  276. #define PLLDSS_BASE_REF_SEL_SHIFT 25
  277. #define PLLDSS_BASE_REF_SEL_MASK (0x3 << PLLDSS_BASE_REF_SEL_SHIFT)
  278. #define PLLDSS_MISC0_LOCK_ENABLE (1 << 30)
  279. #define PLLDSS_MISC1_CFG_EN_SDM (1 << 31)
  280. #define PLLDSS_MISC1_CFG_EN_SSC (1 << 30)
  281. #define PLLD2_MISC0_DEFAULT_VALUE 0x40000020
  282. #define PLLD2_MISC1_CFG_DEFAULT_VALUE 0x10000000
  283. #define PLLD2_MISC2_CTRL1_DEFAULT_VALUE 0x0
  284. #define PLLD2_MISC3_CTRL2_DEFAULT_VALUE 0x0
  285. #define PLLDP_MISC0_DEFAULT_VALUE 0x40000020
  286. #define PLLDP_MISC1_CFG_DEFAULT_VALUE 0xc0000000
  287. #define PLLDP_MISC2_CTRL1_DEFAULT_VALUE 0xf400f0da
  288. #define PLLDP_MISC3_CTRL2_DEFAULT_VALUE 0x2004f400
  289. #define PLLDSS_MISC0_WRITE_MASK 0x47ffffff
  290. #define PLLDSS_MISC1_CFG_WRITE_MASK 0xf8000000
  291. #define PLLDSS_MISC2_CTRL1_WRITE_MASK 0xffffffff
  292. #define PLLDSS_MISC3_CTRL2_WRITE_MASK 0xffffffff
  293. #define PLLC4_MISC0_DEFAULT_VALUE 0x40000000
  294. /* PLLRE */
  295. #define PLLRE_MISC0_LOCK_ENABLE (1 << 30)
  296. #define PLLRE_MISC0_LOCK_OVERRIDE (1 << 29)
  297. #define PLLRE_MISC0_LOCK (1 << 27)
  298. #define PLLRE_MISC0_IDDQ (1 << 24)
  299. #define PLLRE_BASE_DEFAULT_VALUE 0x0
  300. #define PLLRE_MISC0_DEFAULT_VALUE 0x41000000
  301. #define PLLRE_BASE_DEFAULT_MASK 0x1c000000
  302. #define PLLRE_MISC0_WRITE_MASK 0x67ffffff
  303. /* PLLX */
  304. #define PLLX_USE_DYN_RAMP 1
  305. #define PLLX_BASE_LOCK (1 << 27)
  306. #define PLLX_MISC0_FO_G_DISABLE (0x1 << 28)
  307. #define PLLX_MISC0_LOCK_ENABLE (0x1 << 18)
  308. #define PLLX_MISC2_DYNRAMP_STEPB_SHIFT 24
  309. #define PLLX_MISC2_DYNRAMP_STEPB_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT)
  310. #define PLLX_MISC2_DYNRAMP_STEPA_SHIFT 16
  311. #define PLLX_MISC2_DYNRAMP_STEPA_MASK (0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT)
  312. #define PLLX_MISC2_NDIV_NEW_SHIFT 8
  313. #define PLLX_MISC2_NDIV_NEW_MASK (0xFF << PLLX_MISC2_NDIV_NEW_SHIFT)
  314. #define PLLX_MISC2_LOCK_OVERRIDE (0x1 << 4)
  315. #define PLLX_MISC2_DYNRAMP_DONE (0x1 << 2)
  316. #define PLLX_MISC2_EN_DYNRAMP (0x1 << 0)
  317. #define PLLX_MISC3_IDDQ (0x1 << 3)
  318. #define PLLX_MISC0_DEFAULT_VALUE PLLX_MISC0_LOCK_ENABLE
  319. #define PLLX_MISC0_WRITE_MASK 0x10c40000
  320. #define PLLX_MISC1_DEFAULT_VALUE 0x20
  321. #define PLLX_MISC1_WRITE_MASK 0x00ffffff
  322. #define PLLX_MISC2_DEFAULT_VALUE 0x0
  323. #define PLLX_MISC2_WRITE_MASK 0xffffff11
  324. #define PLLX_MISC3_DEFAULT_VALUE PLLX_MISC3_IDDQ
  325. #define PLLX_MISC3_WRITE_MASK 0x01ff0f0f
  326. #define PLLX_MISC4_DEFAULT_VALUE 0x0
  327. #define PLLX_MISC4_WRITE_MASK 0x8000ffff
  328. #define PLLX_MISC5_DEFAULT_VALUE 0x0
  329. #define PLLX_MISC5_WRITE_MASK 0x0000ffff
  330. #define PLLX_HW_CTRL_CFG 0x548
  331. #define PLLX_HW_CTRL_CFG_SWCTRL (0x1 << 0)
  332. /* PLLMB */
  333. #define PLLMB_BASE_LOCK (1 << 27)
  334. #define PLLMB_MISC1_LOCK_OVERRIDE (1 << 18)
  335. #define PLLMB_MISC1_IDDQ (1 << 17)
  336. #define PLLMB_MISC1_LOCK_ENABLE (1 << 16)
  337. #define PLLMB_MISC1_DEFAULT_VALUE 0x00030000
  338. #define PLLMB_MISC1_WRITE_MASK 0x0007ffff
  339. /* PLLP */
  340. #define PLLP_BASE_OVERRIDE (1 << 28)
  341. #define PLLP_BASE_LOCK (1 << 27)
  342. #define PLLP_MISC0_LOCK_ENABLE (1 << 18)
  343. #define PLLP_MISC0_LOCK_OVERRIDE (1 << 17)
  344. #define PLLP_MISC0_IDDQ (1 << 3)
  345. #define PLLP_MISC1_HSIO_EN_SHIFT 29
  346. #define PLLP_MISC1_HSIO_EN (1 << PLLP_MISC1_HSIO_EN_SHIFT)
  347. #define PLLP_MISC1_XUSB_EN_SHIFT 28
  348. #define PLLP_MISC1_XUSB_EN (1 << PLLP_MISC1_XUSB_EN_SHIFT)
  349. #define PLLP_MISC0_DEFAULT_VALUE 0x00040008
  350. #define PLLP_MISC1_DEFAULT_VALUE 0x0
  351. #define PLLP_MISC0_WRITE_MASK 0xdc6000f
  352. #define PLLP_MISC1_WRITE_MASK 0x70ffffff
  353. /* PLLU */
  354. #define PLLU_BASE_LOCK (1 << 27)
  355. #define PLLU_BASE_OVERRIDE (1 << 24)
  356. #define PLLU_BASE_CLKENABLE_USB (1 << 21)
  357. #define PLLU_BASE_CLKENABLE_HSIC (1 << 22)
  358. #define PLLU_BASE_CLKENABLE_ICUSB (1 << 23)
  359. #define PLLU_BASE_CLKENABLE_48M (1 << 25)
  360. #define PLLU_BASE_CLKENABLE_ALL (PLLU_BASE_CLKENABLE_USB |\
  361. PLLU_BASE_CLKENABLE_HSIC |\
  362. PLLU_BASE_CLKENABLE_ICUSB |\
  363. PLLU_BASE_CLKENABLE_48M)
  364. #define PLLU_MISC0_IDDQ (1 << 31)
  365. #define PLLU_MISC0_LOCK_ENABLE (1 << 29)
  366. #define PLLU_MISC1_LOCK_OVERRIDE (1 << 0)
  367. #define PLLU_MISC0_DEFAULT_VALUE 0xa0000000
  368. #define PLLU_MISC1_DEFAULT_VALUE 0x0
  369. #define PLLU_MISC0_WRITE_MASK 0xbfffffff
  370. #define PLLU_MISC1_WRITE_MASK 0x00000007
  371. void tegra210_xusb_pll_hw_control_enable(void)
  372. {
  373. u32 val;
  374. val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
  375. val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL |
  376. XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL);
  377. val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET |
  378. XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ;
  379. writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
  380. }
  381. EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable);
  382. void tegra210_xusb_pll_hw_sequence_start(void)
  383. {
  384. u32 val;
  385. val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
  386. val |= XUSBIO_PLL_CFG0_SEQ_ENABLE;
  387. writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
  388. }
  389. EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start);
  390. void tegra210_sata_pll_hw_control_enable(void)
  391. {
  392. u32 val;
  393. val = readl_relaxed(clk_base + SATA_PLL_CFG0);
  394. val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL;
  395. val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET |
  396. SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ;
  397. writel_relaxed(val, clk_base + SATA_PLL_CFG0);
  398. }
  399. EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable);
  400. void tegra210_sata_pll_hw_sequence_start(void)
  401. {
  402. u32 val;
  403. val = readl_relaxed(clk_base + SATA_PLL_CFG0);
  404. val |= SATA_PLL_CFG0_SEQ_ENABLE;
  405. writel_relaxed(val, clk_base + SATA_PLL_CFG0);
  406. }
  407. EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start);
  408. void tegra210_set_sata_pll_seq_sw(bool state)
  409. {
  410. u32 val;
  411. val = readl_relaxed(clk_base + SATA_PLL_CFG0);
  412. if (state) {
  413. val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
  414. val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
  415. val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
  416. val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
  417. } else {
  418. val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
  419. val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
  420. val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
  421. val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
  422. }
  423. writel_relaxed(val, clk_base + SATA_PLL_CFG0);
  424. }
  425. EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw);
  426. static inline void _pll_misc_chk_default(void __iomem *base,
  427. struct tegra_clk_pll_params *params,
  428. u8 misc_num, u32 default_val, u32 mask)
  429. {
  430. u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]);
  431. boot_val &= mask;
  432. default_val &= mask;
  433. if (boot_val != default_val) {
  434. pr_warn("boot misc%d 0x%x: expected 0x%x\n",
  435. misc_num, boot_val, default_val);
  436. pr_warn(" (comparison mask = 0x%x)\n", mask);
  437. params->defaults_set = false;
  438. }
  439. }
  440. /*
  441. * PLLCX: PLLC, PLLC2, PLLC3, PLLA1
  442. * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition
  443. * that changes NDIV only, while PLL is already locked.
  444. */
  445. static void pllcx_check_defaults(struct tegra_clk_pll_params *params)
  446. {
  447. u32 default_val;
  448. default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET);
  449. _pll_misc_chk_default(clk_base, params, 0, default_val,
  450. PLLCX_MISC0_WRITE_MASK);
  451. default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ);
  452. _pll_misc_chk_default(clk_base, params, 1, default_val,
  453. PLLCX_MISC1_WRITE_MASK);
  454. default_val = PLLCX_MISC2_DEFAULT_VALUE;
  455. _pll_misc_chk_default(clk_base, params, 2, default_val,
  456. PLLCX_MISC2_WRITE_MASK);
  457. default_val = PLLCX_MISC3_DEFAULT_VALUE;
  458. _pll_misc_chk_default(clk_base, params, 3, default_val,
  459. PLLCX_MISC3_WRITE_MASK);
  460. }
  461. static void tegra210_pllcx_set_defaults(const char *name,
  462. struct tegra_clk_pll *pllcx)
  463. {
  464. pllcx->params->defaults_set = true;
  465. if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) {
  466. /* PLL is ON: only check if defaults already set */
  467. pllcx_check_defaults(pllcx->params);
  468. if (!pllcx->params->defaults_set)
  469. pr_warn("%s already enabled. Postponing set full defaults\n",
  470. name);
  471. return;
  472. }
  473. /* Defaults assert PLL reset, and set IDDQ */
  474. writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE,
  475. clk_base + pllcx->params->ext_misc_reg[0]);
  476. writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE,
  477. clk_base + pllcx->params->ext_misc_reg[1]);
  478. writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE,
  479. clk_base + pllcx->params->ext_misc_reg[2]);
  480. writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE,
  481. clk_base + pllcx->params->ext_misc_reg[3]);
  482. udelay(1);
  483. }
  484. static void _pllc_set_defaults(struct tegra_clk_pll *pllcx)
  485. {
  486. tegra210_pllcx_set_defaults("PLL_C", pllcx);
  487. }
  488. static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx)
  489. {
  490. tegra210_pllcx_set_defaults("PLL_C2", pllcx);
  491. }
  492. static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx)
  493. {
  494. tegra210_pllcx_set_defaults("PLL_C3", pllcx);
  495. }
  496. static void _plla1_set_defaults(struct tegra_clk_pll *pllcx)
  497. {
  498. tegra210_pllcx_set_defaults("PLL_A1", pllcx);
  499. }
  500. /*
  501. * PLLA
  502. * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used.
  503. * Fractional SDM is allowed to provide exact audio rates.
  504. */
  505. static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla)
  506. {
  507. u32 mask;
  508. u32 val = readl_relaxed(clk_base + plla->params->base_reg);
  509. plla->params->defaults_set = true;
  510. if (val & PLL_ENABLE) {
  511. /*
  512. * PLL is ON: check if defaults already set, then set those
  513. * that can be updated in flight.
  514. */
  515. if (val & PLLA_BASE_IDDQ) {
  516. pr_warn("PLL_A boot enabled with IDDQ set\n");
  517. plla->params->defaults_set = false;
  518. }
  519. pr_warn("PLL_A already enabled. Postponing set full defaults\n");
  520. val = PLLA_MISC0_DEFAULT_VALUE; /* ignore lock enable */
  521. mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE;
  522. _pll_misc_chk_default(clk_base, plla->params, 0, val,
  523. ~mask & PLLA_MISC0_WRITE_MASK);
  524. val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */
  525. _pll_misc_chk_default(clk_base, plla->params, 2, val,
  526. PLLA_MISC2_EN_DYNRAMP);
  527. /* Enable lock detect */
  528. val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]);
  529. val &= ~mask;
  530. val |= PLLA_MISC0_DEFAULT_VALUE & mask;
  531. writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]);
  532. udelay(1);
  533. return;
  534. }
  535. /* set IDDQ, enable lock detect, disable dynamic ramp and SDM */
  536. val |= PLLA_BASE_IDDQ;
  537. writel_relaxed(val, clk_base + plla->params->base_reg);
  538. writel_relaxed(PLLA_MISC0_DEFAULT_VALUE,
  539. clk_base + plla->params->ext_misc_reg[0]);
  540. writel_relaxed(PLLA_MISC2_DEFAULT_VALUE,
  541. clk_base + plla->params->ext_misc_reg[2]);
  542. udelay(1);
  543. }
  544. /*
  545. * PLLD
  546. * PLL with fractional SDM.
  547. */
  548. static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld)
  549. {
  550. u32 val;
  551. u32 mask = 0xffff;
  552. plld->params->defaults_set = true;
  553. if (readl_relaxed(clk_base + plld->params->base_reg) &
  554. PLL_ENABLE) {
  555. /*
  556. * PLL is ON: check if defaults already set, then set those
  557. * that can be updated in flight.
  558. */
  559. val = PLLD_MISC1_DEFAULT_VALUE;
  560. _pll_misc_chk_default(clk_base, plld->params, 1,
  561. val, PLLD_MISC1_WRITE_MASK);
  562. /* ignore lock, DSI and SDM controls, make sure IDDQ not set */
  563. val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ);
  564. mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE |
  565. PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM;
  566. _pll_misc_chk_default(clk_base, plld->params, 0, val,
  567. ~mask & PLLD_MISC0_WRITE_MASK);
  568. if (!plld->params->defaults_set)
  569. pr_warn("PLL_D already enabled. Postponing set full defaults\n");
  570. /* Enable lock detect */
  571. mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE;
  572. val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
  573. val &= ~mask;
  574. val |= PLLD_MISC0_DEFAULT_VALUE & mask;
  575. writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
  576. udelay(1);
  577. return;
  578. }
  579. val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
  580. val &= PLLD_MISC0_DSI_CLKENABLE;
  581. val |= PLLD_MISC0_DEFAULT_VALUE;
  582. /* set IDDQ, enable lock detect, disable SDM */
  583. writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
  584. writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base +
  585. plld->params->ext_misc_reg[1]);
  586. udelay(1);
  587. }
  588. /*
  589. * PLLD2, PLLDP
  590. * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used).
  591. */
  592. static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss,
  593. u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val)
  594. {
  595. u32 default_val;
  596. u32 val = readl_relaxed(clk_base + plldss->params->base_reg);
  597. plldss->params->defaults_set = true;
  598. if (val & PLL_ENABLE) {
  599. pr_warn("%s already enabled. Postponing set full defaults\n",
  600. pll_name);
  601. /*
  602. * PLL is ON: check if defaults already set, then set those
  603. * that can be updated in flight.
  604. */
  605. if (val & PLLDSS_BASE_IDDQ) {
  606. pr_warn("plldss boot enabled with IDDQ set\n");
  607. plldss->params->defaults_set = false;
  608. }
  609. /* ignore lock enable */
  610. default_val = misc0_val;
  611. _pll_misc_chk_default(clk_base, plldss->params, 0, default_val,
  612. PLLDSS_MISC0_WRITE_MASK &
  613. (~PLLDSS_MISC0_LOCK_ENABLE));
  614. /*
  615. * If SSC is used, check all settings, otherwise just confirm
  616. * that SSC is not used on boot as well. Do nothing when using
  617. * this function for PLLC4 that has only MISC0.
  618. */
  619. if (plldss->params->ssc_ctrl_en_mask) {
  620. default_val = misc1_val;
  621. _pll_misc_chk_default(clk_base, plldss->params, 1,
  622. default_val, PLLDSS_MISC1_CFG_WRITE_MASK);
  623. default_val = misc2_val;
  624. _pll_misc_chk_default(clk_base, plldss->params, 2,
  625. default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK);
  626. default_val = misc3_val;
  627. _pll_misc_chk_default(clk_base, plldss->params, 3,
  628. default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK);
  629. } else if (plldss->params->ext_misc_reg[1]) {
  630. default_val = misc1_val;
  631. _pll_misc_chk_default(clk_base, plldss->params, 1,
  632. default_val, PLLDSS_MISC1_CFG_WRITE_MASK &
  633. (~PLLDSS_MISC1_CFG_EN_SDM));
  634. }
  635. /* Enable lock detect */
  636. if (val & PLLDSS_BASE_LOCK_OVERRIDE) {
  637. val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
  638. writel_relaxed(val, clk_base +
  639. plldss->params->base_reg);
  640. }
  641. val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]);
  642. val &= ~PLLDSS_MISC0_LOCK_ENABLE;
  643. val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE;
  644. writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]);
  645. udelay(1);
  646. return;
  647. }
  648. /* set IDDQ, enable lock detect, configure SDM/SSC */
  649. val |= PLLDSS_BASE_IDDQ;
  650. val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
  651. writel_relaxed(val, clk_base + plldss->params->base_reg);
  652. /* When using this function for PLLC4 exit here */
  653. if (!plldss->params->ext_misc_reg[1]) {
  654. writel_relaxed(misc0_val, clk_base +
  655. plldss->params->ext_misc_reg[0]);
  656. udelay(1);
  657. return;
  658. }
  659. writel_relaxed(misc0_val, clk_base +
  660. plldss->params->ext_misc_reg[0]);
  661. /* if SSC used set by 1st enable */
  662. writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC),
  663. clk_base + plldss->params->ext_misc_reg[1]);
  664. writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]);
  665. writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]);
  666. udelay(1);
  667. }
  668. static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2)
  669. {
  670. plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE,
  671. PLLD2_MISC1_CFG_DEFAULT_VALUE,
  672. PLLD2_MISC2_CTRL1_DEFAULT_VALUE,
  673. PLLD2_MISC3_CTRL2_DEFAULT_VALUE);
  674. }
  675. static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp)
  676. {
  677. plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE,
  678. PLLDP_MISC1_CFG_DEFAULT_VALUE,
  679. PLLDP_MISC2_CTRL1_DEFAULT_VALUE,
  680. PLLDP_MISC3_CTRL2_DEFAULT_VALUE);
  681. }
  682. /*
  683. * PLLC4
  684. * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support.
  685. * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers.
  686. */
  687. static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4)
  688. {
  689. plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0);
  690. }
  691. /*
  692. * PLLRE
  693. * VCO is exposed to the clock tree directly along with post-divider output
  694. */
  695. static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre)
  696. {
  697. u32 mask;
  698. u32 val = readl_relaxed(clk_base + pllre->params->base_reg);
  699. pllre->params->defaults_set = true;
  700. if (val & PLL_ENABLE) {
  701. pr_warn("PLL_RE already enabled. Postponing set full defaults\n");
  702. /*
  703. * PLL is ON: check if defaults already set, then set those
  704. * that can be updated in flight.
  705. */
  706. val &= PLLRE_BASE_DEFAULT_MASK;
  707. if (val != PLLRE_BASE_DEFAULT_VALUE) {
  708. pr_warn("pllre boot base 0x%x : expected 0x%x\n",
  709. val, PLLRE_BASE_DEFAULT_VALUE);
  710. pr_warn("(comparison mask = 0x%x)\n",
  711. PLLRE_BASE_DEFAULT_MASK);
  712. pllre->params->defaults_set = false;
  713. }
  714. /* Ignore lock enable */
  715. val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ);
  716. mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE;
  717. _pll_misc_chk_default(clk_base, pllre->params, 0, val,
  718. ~mask & PLLRE_MISC0_WRITE_MASK);
  719. /* Enable lock detect */
  720. val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]);
  721. val &= ~mask;
  722. val |= PLLRE_MISC0_DEFAULT_VALUE & mask;
  723. writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]);
  724. udelay(1);
  725. return;
  726. }
  727. /* set IDDQ, enable lock detect */
  728. val &= ~PLLRE_BASE_DEFAULT_MASK;
  729. val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK;
  730. writel_relaxed(val, clk_base + pllre->params->base_reg);
  731. writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE,
  732. clk_base + pllre->params->ext_misc_reg[0]);
  733. udelay(1);
  734. }
  735. static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b)
  736. {
  737. unsigned long input_rate;
  738. /* cf rate */
  739. if (!IS_ERR_OR_NULL(hw->clk))
  740. input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
  741. else
  742. input_rate = 38400000;
  743. input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate);
  744. switch (input_rate) {
  745. case 12000000:
  746. case 12800000:
  747. case 13000000:
  748. *step_a = 0x2B;
  749. *step_b = 0x0B;
  750. return;
  751. case 19200000:
  752. *step_a = 0x12;
  753. *step_b = 0x08;
  754. return;
  755. case 38400000:
  756. *step_a = 0x04;
  757. *step_b = 0x05;
  758. return;
  759. default:
  760. pr_err("%s: Unexpected reference rate %lu\n",
  761. __func__, input_rate);
  762. BUG();
  763. }
  764. }
  765. static void pllx_check_defaults(struct tegra_clk_pll *pll)
  766. {
  767. u32 default_val;
  768. default_val = PLLX_MISC0_DEFAULT_VALUE;
  769. /* ignore lock enable */
  770. _pll_misc_chk_default(clk_base, pll->params, 0, default_val,
  771. PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE));
  772. default_val = PLLX_MISC1_DEFAULT_VALUE;
  773. _pll_misc_chk_default(clk_base, pll->params, 1, default_val,
  774. PLLX_MISC1_WRITE_MASK);
  775. /* ignore all but control bit */
  776. default_val = PLLX_MISC2_DEFAULT_VALUE;
  777. _pll_misc_chk_default(clk_base, pll->params, 2,
  778. default_val, PLLX_MISC2_EN_DYNRAMP);
  779. default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ);
  780. _pll_misc_chk_default(clk_base, pll->params, 3, default_val,
  781. PLLX_MISC3_WRITE_MASK);
  782. default_val = PLLX_MISC4_DEFAULT_VALUE;
  783. _pll_misc_chk_default(clk_base, pll->params, 4, default_val,
  784. PLLX_MISC4_WRITE_MASK);
  785. default_val = PLLX_MISC5_DEFAULT_VALUE;
  786. _pll_misc_chk_default(clk_base, pll->params, 5, default_val,
  787. PLLX_MISC5_WRITE_MASK);
  788. }
  789. static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx)
  790. {
  791. u32 val;
  792. u32 step_a, step_b;
  793. pllx->params->defaults_set = true;
  794. /* Get ready dyn ramp state machine settings */
  795. pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b);
  796. val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) &
  797. (~PLLX_MISC2_DYNRAMP_STEPB_MASK);
  798. val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT;
  799. val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT;
  800. if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) {
  801. /*
  802. * PLL is ON: check if defaults already set, then set those
  803. * that can be updated in flight.
  804. */
  805. pllx_check_defaults(pllx);
  806. if (!pllx->params->defaults_set)
  807. pr_warn("PLL_X already enabled. Postponing set full defaults\n");
  808. /* Configure dyn ramp, disable lock override */
  809. writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
  810. /* Enable lock detect */
  811. val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]);
  812. val &= ~PLLX_MISC0_LOCK_ENABLE;
  813. val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE;
  814. writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]);
  815. udelay(1);
  816. return;
  817. }
  818. /* Enable lock detect and CPU output */
  819. writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base +
  820. pllx->params->ext_misc_reg[0]);
  821. /* Setup */
  822. writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base +
  823. pllx->params->ext_misc_reg[1]);
  824. /* Configure dyn ramp state machine, disable lock override */
  825. writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
  826. /* Set IDDQ */
  827. writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base +
  828. pllx->params->ext_misc_reg[3]);
  829. /* Disable SDM */
  830. writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base +
  831. pllx->params->ext_misc_reg[4]);
  832. writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base +
  833. pllx->params->ext_misc_reg[5]);
  834. udelay(1);
  835. }
  836. /* PLLMB */
  837. static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb)
  838. {
  839. u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg);
  840. pllmb->params->defaults_set = true;
  841. if (val & PLL_ENABLE) {
  842. /*
  843. * PLL is ON: check if defaults already set, then set those
  844. * that can be updated in flight.
  845. */
  846. val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ);
  847. mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE;
  848. _pll_misc_chk_default(clk_base, pllmb->params, 0, val,
  849. ~mask & PLLMB_MISC1_WRITE_MASK);
  850. if (!pllmb->params->defaults_set)
  851. pr_warn("PLL_MB already enabled. Postponing set full defaults\n");
  852. /* Enable lock detect */
  853. val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]);
  854. val &= ~mask;
  855. val |= PLLMB_MISC1_DEFAULT_VALUE & mask;
  856. writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]);
  857. udelay(1);
  858. return;
  859. }
  860. /* set IDDQ, enable lock detect */
  861. writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE,
  862. clk_base + pllmb->params->ext_misc_reg[0]);
  863. udelay(1);
  864. }
  865. /*
  866. * PLLP
  867. * VCO is exposed to the clock tree directly along with post-divider output.
  868. * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz,
  869. * respectively.
  870. */
  871. static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled)
  872. {
  873. u32 val, mask;
  874. /* Ignore lock enable (will be set), make sure not in IDDQ if enabled */
  875. val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ);
  876. mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
  877. if (!enabled)
  878. mask |= PLLP_MISC0_IDDQ;
  879. _pll_misc_chk_default(clk_base, pll->params, 0, val,
  880. ~mask & PLLP_MISC0_WRITE_MASK);
  881. /* Ignore branch controls */
  882. val = PLLP_MISC1_DEFAULT_VALUE;
  883. mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
  884. _pll_misc_chk_default(clk_base, pll->params, 1, val,
  885. ~mask & PLLP_MISC1_WRITE_MASK);
  886. }
  887. static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp)
  888. {
  889. u32 mask;
  890. u32 val = readl_relaxed(clk_base + pllp->params->base_reg);
  891. pllp->params->defaults_set = true;
  892. if (val & PLL_ENABLE) {
  893. /*
  894. * PLL is ON: check if defaults already set, then set those
  895. * that can be updated in flight.
  896. */
  897. pllp_check_defaults(pllp, true);
  898. if (!pllp->params->defaults_set)
  899. pr_warn("PLL_P already enabled. Postponing set full defaults\n");
  900. /* Enable lock detect */
  901. val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]);
  902. mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
  903. val &= ~mask;
  904. val |= PLLP_MISC0_DEFAULT_VALUE & mask;
  905. writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]);
  906. udelay(1);
  907. return;
  908. }
  909. /* set IDDQ, enable lock detect */
  910. writel_relaxed(PLLP_MISC0_DEFAULT_VALUE,
  911. clk_base + pllp->params->ext_misc_reg[0]);
  912. /* Preserve branch control */
  913. val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]);
  914. mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
  915. val &= mask;
  916. val |= ~mask & PLLP_MISC1_DEFAULT_VALUE;
  917. writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]);
  918. udelay(1);
  919. }
  920. /*
  921. * PLLU
  922. * VCO is exposed to the clock tree directly along with post-divider output.
  923. * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz,
  924. * respectively.
  925. */
  926. static void pllu_check_defaults(struct tegra_clk_pll_params *params,
  927. bool hw_control)
  928. {
  929. u32 val, mask;
  930. /* Ignore lock enable (will be set) and IDDQ if under h/w control */
  931. val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ);
  932. mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0);
  933. _pll_misc_chk_default(clk_base, params, 0, val,
  934. ~mask & PLLU_MISC0_WRITE_MASK);
  935. val = PLLU_MISC1_DEFAULT_VALUE;
  936. mask = PLLU_MISC1_LOCK_OVERRIDE;
  937. _pll_misc_chk_default(clk_base, params, 1, val,
  938. ~mask & PLLU_MISC1_WRITE_MASK);
  939. }
  940. static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu)
  941. {
  942. u32 val = readl_relaxed(clk_base + pllu->base_reg);
  943. pllu->defaults_set = true;
  944. if (val & PLL_ENABLE) {
  945. /*
  946. * PLL is ON: check if defaults already set, then set those
  947. * that can be updated in flight.
  948. */
  949. pllu_check_defaults(pllu, false);
  950. if (!pllu->defaults_set)
  951. pr_warn("PLL_U already enabled. Postponing set full defaults\n");
  952. /* Enable lock detect */
  953. val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]);
  954. val &= ~PLLU_MISC0_LOCK_ENABLE;
  955. val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE;
  956. writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]);
  957. val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]);
  958. val &= ~PLLU_MISC1_LOCK_OVERRIDE;
  959. val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE;
  960. writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]);
  961. udelay(1);
  962. return;
  963. }
  964. /* set IDDQ, enable lock detect */
  965. writel_relaxed(PLLU_MISC0_DEFAULT_VALUE,
  966. clk_base + pllu->ext_misc_reg[0]);
  967. writel_relaxed(PLLU_MISC1_DEFAULT_VALUE,
  968. clk_base + pllu->ext_misc_reg[1]);
  969. udelay(1);
  970. }
  971. #define mask(w) ((1 << (w)) - 1)
  972. #define divm_mask(p) mask(p->params->div_nmp->divm_width)
  973. #define divn_mask(p) mask(p->params->div_nmp->divn_width)
  974. #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
  975. mask(p->params->div_nmp->divp_width))
  976. #define divm_shift(p) ((p)->params->div_nmp->divm_shift)
  977. #define divn_shift(p) ((p)->params->div_nmp->divn_shift)
  978. #define divp_shift(p) ((p)->params->div_nmp->divp_shift)
  979. #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
  980. #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
  981. #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
  982. #define PLL_LOCKDET_DELAY 2 /* Lock detection safety delays */
  983. static int tegra210_wait_for_mask(struct tegra_clk_pll *pll,
  984. u32 reg, u32 mask)
  985. {
  986. int i;
  987. u32 val = 0;
  988. for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) {
  989. udelay(PLL_LOCKDET_DELAY);
  990. val = readl_relaxed(clk_base + reg);
  991. if ((val & mask) == mask) {
  992. udelay(PLL_LOCKDET_DELAY);
  993. return 0;
  994. }
  995. }
  996. return -ETIMEDOUT;
  997. }
  998. static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx,
  999. struct tegra_clk_pll_freq_table *cfg)
  1000. {
  1001. u32 val, base, ndiv_new_mask;
  1002. ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift)
  1003. << PLLX_MISC2_NDIV_NEW_SHIFT;
  1004. val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
  1005. val &= (~ndiv_new_mask);
  1006. val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT;
  1007. writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
  1008. udelay(1);
  1009. val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
  1010. val |= PLLX_MISC2_EN_DYNRAMP;
  1011. writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
  1012. udelay(1);
  1013. tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2],
  1014. PLLX_MISC2_DYNRAMP_DONE);
  1015. base = readl_relaxed(clk_base + pllx->params->base_reg) &
  1016. (~divn_mask_shifted(pllx));
  1017. base |= cfg->n << pllx->params->div_nmp->divn_shift;
  1018. writel_relaxed(base, clk_base + pllx->params->base_reg);
  1019. udelay(1);
  1020. val &= ~PLLX_MISC2_EN_DYNRAMP;
  1021. writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
  1022. udelay(1);
  1023. pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n",
  1024. __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p,
  1025. cfg->input_rate / cfg->m * cfg->n /
  1026. pllx->params->pdiv_tohw[cfg->p].pdiv / 1000);
  1027. return 0;
  1028. }
  1029. /*
  1030. * Common configuration for PLLs with fixed input divider policy:
  1031. * - always set fixed M-value based on the reference rate
  1032. * - always set P-value value 1:1 for output rates above VCO minimum, and
  1033. * choose minimum necessary P-value for output rates below VCO maximum
  1034. * - calculate N-value based on selected M and P
  1035. * - calculate SDM_DIN fractional part
  1036. */
  1037. static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
  1038. struct tegra_clk_pll_freq_table *cfg,
  1039. unsigned long rate, unsigned long input_rate)
  1040. {
  1041. struct tegra_clk_pll *pll = to_clk_pll(hw);
  1042. struct tegra_clk_pll_params *params = pll->params;
  1043. int p;
  1044. unsigned long cf, p_rate;
  1045. u32 pdiv;
  1046. if (!rate)
  1047. return -EINVAL;
  1048. if (!(params->flags & TEGRA_PLL_VCO_OUT)) {
  1049. p = DIV_ROUND_UP(params->vco_min, rate);
  1050. p = params->round_p_to_pdiv(p, &pdiv);
  1051. } else {
  1052. p = rate >= params->vco_min ? 1 : -EINVAL;
  1053. }
  1054. if (p < 0)
  1055. return -EINVAL;
  1056. cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate);
  1057. cfg->p = p;
  1058. /* Store P as HW value, as that is what is expected */
  1059. cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p);
  1060. p_rate = rate * p;
  1061. if (p_rate > params->vco_max)
  1062. p_rate = params->vco_max;
  1063. cf = input_rate / cfg->m;
  1064. cfg->n = p_rate / cf;
  1065. cfg->sdm_data = 0;
  1066. cfg->output_rate = input_rate;
  1067. if (params->sdm_ctrl_reg) {
  1068. unsigned long rem = p_rate - cf * cfg->n;
  1069. /* If ssc is enabled SDM enabled as well, even for integer n */
  1070. if (rem || params->ssc_ctrl_reg) {
  1071. u64 s = rem * PLL_SDM_COEFF;
  1072. do_div(s, cf);
  1073. s -= PLL_SDM_COEFF / 2;
  1074. cfg->sdm_data = sdin_din_to_data(s);
  1075. }
  1076. cfg->output_rate *= cfg->n * PLL_SDM_COEFF + PLL_SDM_COEFF/2 +
  1077. sdin_data_to_din(cfg->sdm_data);
  1078. cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF;
  1079. } else {
  1080. cfg->output_rate *= cfg->n;
  1081. cfg->output_rate /= p * cfg->m;
  1082. }
  1083. cfg->input_rate = input_rate;
  1084. return 0;
  1085. }
  1086. /*
  1087. * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate
  1088. *
  1089. * @cfg: struct tegra_clk_pll_freq_table * cfg
  1090. *
  1091. * For Normal mode:
  1092. * Fvco = Fref * NDIV / MDIV
  1093. *
  1094. * For fractional mode:
  1095. * Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV
  1096. */
  1097. static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg)
  1098. {
  1099. cfg->n = cfg->n * PLL_SDM_COEFF + PLL_SDM_COEFF/2 +
  1100. sdin_data_to_din(cfg->sdm_data);
  1101. cfg->m *= PLL_SDM_COEFF;
  1102. }
  1103. static unsigned long
  1104. tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params,
  1105. unsigned long parent_rate)
  1106. {
  1107. unsigned long vco_min = params->vco_min;
  1108. params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF);
  1109. vco_min = min(vco_min, params->vco_min);
  1110. return vco_min;
  1111. }
  1112. static struct div_nmp pllx_nmp = {
  1113. .divm_shift = 0,
  1114. .divm_width = 8,
  1115. .divn_shift = 8,
  1116. .divn_width = 8,
  1117. .divp_shift = 20,
  1118. .divp_width = 5,
  1119. };
  1120. /*
  1121. * PLL post divider maps - two types: quasi-linear and exponential
  1122. * post divider.
  1123. */
  1124. #define PLL_QLIN_PDIV_MAX 16
  1125. static const struct pdiv_map pll_qlin_pdiv_to_hw[] = {
  1126. { .pdiv = 1, .hw_val = 0 },
  1127. { .pdiv = 2, .hw_val = 1 },
  1128. { .pdiv = 3, .hw_val = 2 },
  1129. { .pdiv = 4, .hw_val = 3 },
  1130. { .pdiv = 5, .hw_val = 4 },
  1131. { .pdiv = 6, .hw_val = 5 },
  1132. { .pdiv = 8, .hw_val = 6 },
  1133. { .pdiv = 9, .hw_val = 7 },
  1134. { .pdiv = 10, .hw_val = 8 },
  1135. { .pdiv = 12, .hw_val = 9 },
  1136. { .pdiv = 15, .hw_val = 10 },
  1137. { .pdiv = 16, .hw_val = 11 },
  1138. { .pdiv = 18, .hw_val = 12 },
  1139. { .pdiv = 20, .hw_val = 13 },
  1140. { .pdiv = 24, .hw_val = 14 },
  1141. { .pdiv = 30, .hw_val = 15 },
  1142. { .pdiv = 32, .hw_val = 16 },
  1143. };
  1144. static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv)
  1145. {
  1146. int i;
  1147. if (p) {
  1148. for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) {
  1149. if (p <= pll_qlin_pdiv_to_hw[i].pdiv) {
  1150. if (pdiv)
  1151. *pdiv = i;
  1152. return pll_qlin_pdiv_to_hw[i].pdiv;
  1153. }
  1154. }
  1155. }
  1156. return -EINVAL;
  1157. }
  1158. #define PLL_EXPO_PDIV_MAX 7
  1159. static const struct pdiv_map pll_expo_pdiv_to_hw[] = {
  1160. { .pdiv = 1, .hw_val = 0 },
  1161. { .pdiv = 2, .hw_val = 1 },
  1162. { .pdiv = 4, .hw_val = 2 },
  1163. { .pdiv = 8, .hw_val = 3 },
  1164. { .pdiv = 16, .hw_val = 4 },
  1165. { .pdiv = 32, .hw_val = 5 },
  1166. { .pdiv = 64, .hw_val = 6 },
  1167. { .pdiv = 128, .hw_val = 7 },
  1168. };
  1169. static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv)
  1170. {
  1171. if (p) {
  1172. u32 i = fls(p);
  1173. if (i == ffs(p))
  1174. i--;
  1175. if (i <= PLL_EXPO_PDIV_MAX) {
  1176. if (pdiv)
  1177. *pdiv = i;
  1178. return 1 << i;
  1179. }
  1180. }
  1181. return -EINVAL;
  1182. }
  1183. static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
  1184. /* 1 GHz */
  1185. { 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */
  1186. { 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */
  1187. { 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */
  1188. { 0, 0, 0, 0, 0, 0 },
  1189. };
  1190. static struct tegra_clk_pll_params pll_x_params = {
  1191. .input_min = 12000000,
  1192. .input_max = 800000000,
  1193. .cf_min = 12000000,
  1194. .cf_max = 38400000,
  1195. .vco_min = 1350000000,
  1196. .vco_max = 3000000000UL,
  1197. .base_reg = PLLX_BASE,
  1198. .misc_reg = PLLX_MISC0,
  1199. .lock_mask = PLL_BASE_LOCK,
  1200. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  1201. .lock_delay = 300,
  1202. .ext_misc_reg[0] = PLLX_MISC0,
  1203. .ext_misc_reg[1] = PLLX_MISC1,
  1204. .ext_misc_reg[2] = PLLX_MISC2,
  1205. .ext_misc_reg[3] = PLLX_MISC3,
  1206. .ext_misc_reg[4] = PLLX_MISC4,
  1207. .ext_misc_reg[5] = PLLX_MISC5,
  1208. .iddq_reg = PLLX_MISC3,
  1209. .iddq_bit_idx = PLLXP_IDDQ_BIT,
  1210. .max_p = PLL_QLIN_PDIV_MAX,
  1211. .mdiv_default = 2,
  1212. .dyn_ramp_reg = PLLX_MISC2,
  1213. .stepa_shift = 16,
  1214. .stepb_shift = 24,
  1215. .round_p_to_pdiv = pll_qlin_p_to_pdiv,
  1216. .pdiv_tohw = pll_qlin_pdiv_to_hw,
  1217. .div_nmp = &pllx_nmp,
  1218. .freq_table = pll_x_freq_table,
  1219. .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
  1220. .dyn_ramp = tegra210_pllx_dyn_ramp,
  1221. .set_defaults = tegra210_pllx_set_defaults,
  1222. .calc_rate = tegra210_pll_fixed_mdiv_cfg,
  1223. };
  1224. static struct div_nmp pllc_nmp = {
  1225. .divm_shift = 0,
  1226. .divm_width = 8,
  1227. .divn_shift = 10,
  1228. .divn_width = 8,
  1229. .divp_shift = 20,
  1230. .divp_width = 5,
  1231. };
  1232. static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
  1233. { 12000000, 510000000, 85, 1, 2, 0 },
  1234. { 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */
  1235. { 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */
  1236. { 0, 0, 0, 0, 0, 0 },
  1237. };
  1238. static struct tegra_clk_pll_params pll_c_params = {
  1239. .input_min = 12000000,
  1240. .input_max = 700000000,
  1241. .cf_min = 12000000,
  1242. .cf_max = 50000000,
  1243. .vco_min = 600000000,
  1244. .vco_max = 1200000000,
  1245. .base_reg = PLLC_BASE,
  1246. .misc_reg = PLLC_MISC0,
  1247. .lock_mask = PLL_BASE_LOCK,
  1248. .lock_delay = 300,
  1249. .iddq_reg = PLLC_MISC1,
  1250. .iddq_bit_idx = PLLCX_IDDQ_BIT,
  1251. .reset_reg = PLLC_MISC0,
  1252. .reset_bit_idx = PLLCX_RESET_BIT,
  1253. .max_p = PLL_QLIN_PDIV_MAX,
  1254. .ext_misc_reg[0] = PLLC_MISC0,
  1255. .ext_misc_reg[1] = PLLC_MISC1,
  1256. .ext_misc_reg[2] = PLLC_MISC2,
  1257. .ext_misc_reg[3] = PLLC_MISC3,
  1258. .round_p_to_pdiv = pll_qlin_p_to_pdiv,
  1259. .pdiv_tohw = pll_qlin_pdiv_to_hw,
  1260. .mdiv_default = 3,
  1261. .div_nmp = &pllc_nmp,
  1262. .freq_table = pll_cx_freq_table,
  1263. .flags = TEGRA_PLL_USE_LOCK,
  1264. .set_defaults = _pllc_set_defaults,
  1265. .calc_rate = tegra210_pll_fixed_mdiv_cfg,
  1266. };
  1267. static struct div_nmp pllcx_nmp = {
  1268. .divm_shift = 0,
  1269. .divm_width = 8,
  1270. .divn_shift = 10,
  1271. .divn_width = 8,
  1272. .divp_shift = 20,
  1273. .divp_width = 5,
  1274. };
  1275. static struct tegra_clk_pll_params pll_c2_params = {
  1276. .input_min = 12000000,
  1277. .input_max = 700000000,
  1278. .cf_min = 12000000,
  1279. .cf_max = 50000000,
  1280. .vco_min = 600000000,
  1281. .vco_max = 1200000000,
  1282. .base_reg = PLLC2_BASE,
  1283. .misc_reg = PLLC2_MISC0,
  1284. .iddq_reg = PLLC2_MISC1,
  1285. .iddq_bit_idx = PLLCX_IDDQ_BIT,
  1286. .reset_reg = PLLC2_MISC0,
  1287. .reset_bit_idx = PLLCX_RESET_BIT,
  1288. .lock_mask = PLLCX_BASE_LOCK,
  1289. .lock_delay = 300,
  1290. .round_p_to_pdiv = pll_qlin_p_to_pdiv,
  1291. .pdiv_tohw = pll_qlin_pdiv_to_hw,
  1292. .mdiv_default = 3,
  1293. .div_nmp = &pllcx_nmp,
  1294. .max_p = PLL_QLIN_PDIV_MAX,
  1295. .ext_misc_reg[0] = PLLC2_MISC0,
  1296. .ext_misc_reg[1] = PLLC2_MISC1,
  1297. .ext_misc_reg[2] = PLLC2_MISC2,
  1298. .ext_misc_reg[3] = PLLC2_MISC3,
  1299. .freq_table = pll_cx_freq_table,
  1300. .flags = TEGRA_PLL_USE_LOCK,
  1301. .set_defaults = _pllc2_set_defaults,
  1302. .calc_rate = tegra210_pll_fixed_mdiv_cfg,
  1303. };
  1304. static struct tegra_clk_pll_params pll_c3_params = {
  1305. .input_min = 12000000,
  1306. .input_max = 700000000,
  1307. .cf_min = 12000000,
  1308. .cf_max = 50000000,
  1309. .vco_min = 600000000,
  1310. .vco_max = 1200000000,
  1311. .base_reg = PLLC3_BASE,
  1312. .misc_reg = PLLC3_MISC0,
  1313. .lock_mask = PLLCX_BASE_LOCK,
  1314. .lock_delay = 300,
  1315. .iddq_reg = PLLC3_MISC1,
  1316. .iddq_bit_idx = PLLCX_IDDQ_BIT,
  1317. .reset_reg = PLLC3_MISC0,
  1318. .reset_bit_idx = PLLCX_RESET_BIT,
  1319. .round_p_to_pdiv = pll_qlin_p_to_pdiv,
  1320. .pdiv_tohw = pll_qlin_pdiv_to_hw,
  1321. .mdiv_default = 3,
  1322. .div_nmp = &pllcx_nmp,
  1323. .max_p = PLL_QLIN_PDIV_MAX,
  1324. .ext_misc_reg[0] = PLLC3_MISC0,
  1325. .ext_misc_reg[1] = PLLC3_MISC1,
  1326. .ext_misc_reg[2] = PLLC3_MISC2,
  1327. .ext_misc_reg[3] = PLLC3_MISC3,
  1328. .freq_table = pll_cx_freq_table,
  1329. .flags = TEGRA_PLL_USE_LOCK,
  1330. .set_defaults = _pllc3_set_defaults,
  1331. .calc_rate = tegra210_pll_fixed_mdiv_cfg,
  1332. };
  1333. static struct div_nmp pllss_nmp = {
  1334. .divm_shift = 0,
  1335. .divm_width = 8,
  1336. .divn_shift = 8,
  1337. .divn_width = 8,
  1338. .divp_shift = 19,
  1339. .divp_width = 5,
  1340. };
  1341. static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = {
  1342. { 12000000, 600000000, 50, 1, 1, 0 },
  1343. { 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */
  1344. { 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */
  1345. { 0, 0, 0, 0, 0, 0 },
  1346. };
  1347. static const struct clk_div_table pll_vco_post_div_table[] = {
  1348. { .val = 0, .div = 1 },
  1349. { .val = 1, .div = 2 },
  1350. { .val = 2, .div = 3 },
  1351. { .val = 3, .div = 4 },
  1352. { .val = 4, .div = 5 },
  1353. { .val = 5, .div = 6 },
  1354. { .val = 6, .div = 8 },
  1355. { .val = 7, .div = 10 },
  1356. { .val = 8, .div = 12 },
  1357. { .val = 9, .div = 16 },
  1358. { .val = 10, .div = 12 },
  1359. { .val = 11, .div = 16 },
  1360. { .val = 12, .div = 20 },
  1361. { .val = 13, .div = 24 },
  1362. { .val = 14, .div = 32 },
  1363. { .val = 0, .div = 0 },
  1364. };
  1365. static struct tegra_clk_pll_params pll_c4_vco_params = {
  1366. .input_min = 9600000,
  1367. .input_max = 800000000,
  1368. .cf_min = 9600000,
  1369. .cf_max = 19200000,
  1370. .vco_min = 500000000,
  1371. .vco_max = 1080000000,
  1372. .base_reg = PLLC4_BASE,
  1373. .misc_reg = PLLC4_MISC0,
  1374. .lock_mask = PLL_BASE_LOCK,
  1375. .lock_delay = 300,
  1376. .max_p = PLL_QLIN_PDIV_MAX,
  1377. .ext_misc_reg[0] = PLLC4_MISC0,
  1378. .iddq_reg = PLLC4_BASE,
  1379. .iddq_bit_idx = PLLSS_IDDQ_BIT,
  1380. .round_p_to_pdiv = pll_qlin_p_to_pdiv,
  1381. .pdiv_tohw = pll_qlin_pdiv_to_hw,
  1382. .mdiv_default = 3,
  1383. .div_nmp = &pllss_nmp,
  1384. .freq_table = pll_c4_vco_freq_table,
  1385. .set_defaults = tegra210_pllc4_set_defaults,
  1386. .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
  1387. .calc_rate = tegra210_pll_fixed_mdiv_cfg,
  1388. };
  1389. static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
  1390. { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */
  1391. { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */
  1392. { 38400000, 297600000, 93, 4, 3, 0 },
  1393. { 38400000, 400000000, 125, 4, 3, 0 },
  1394. { 38400000, 532800000, 111, 4, 2, 0 },
  1395. { 38400000, 665600000, 104, 3, 2, 0 },
  1396. { 38400000, 800000000, 125, 3, 2, 0 },
  1397. { 38400000, 931200000, 97, 4, 1, 0 },
  1398. { 38400000, 1065600000, 111, 4, 1, 0 },
  1399. { 38400000, 1200000000, 125, 4, 1, 0 },
  1400. { 38400000, 1331200000, 104, 3, 1, 0 },
  1401. { 38400000, 1459200000, 76, 2, 1, 0 },
  1402. { 38400000, 1600000000, 125, 3, 1, 0 },
  1403. { 0, 0, 0, 0, 0, 0 },
  1404. };
  1405. static struct div_nmp pllm_nmp = {
  1406. .divm_shift = 0,
  1407. .divm_width = 8,
  1408. .override_divm_shift = 0,
  1409. .divn_shift = 8,
  1410. .divn_width = 8,
  1411. .override_divn_shift = 8,
  1412. .divp_shift = 20,
  1413. .divp_width = 5,
  1414. .override_divp_shift = 27,
  1415. };
  1416. static struct tegra_clk_pll_params pll_m_params = {
  1417. .input_min = 9600000,
  1418. .input_max = 500000000,
  1419. .cf_min = 9600000,
  1420. .cf_max = 19200000,
  1421. .vco_min = 800000000,
  1422. .vco_max = 1866000000,
  1423. .base_reg = PLLM_BASE,
  1424. .misc_reg = PLLM_MISC2,
  1425. .lock_mask = PLL_BASE_LOCK,
  1426. .lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE,
  1427. .lock_delay = 300,
  1428. .iddq_reg = PLLM_MISC2,
  1429. .iddq_bit_idx = PLLM_IDDQ_BIT,
  1430. .max_p = PLL_QLIN_PDIV_MAX,
  1431. .ext_misc_reg[0] = PLLM_MISC2,
  1432. .ext_misc_reg[1] = PLLM_MISC1,
  1433. .round_p_to_pdiv = pll_qlin_p_to_pdiv,
  1434. .pdiv_tohw = pll_qlin_pdiv_to_hw,
  1435. .div_nmp = &pllm_nmp,
  1436. .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
  1437. .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
  1438. .freq_table = pll_m_freq_table,
  1439. .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
  1440. .calc_rate = tegra210_pll_fixed_mdiv_cfg,
  1441. };
  1442. static struct tegra_clk_pll_params pll_mb_params = {
  1443. .input_min = 9600000,
  1444. .input_max = 500000000,
  1445. .cf_min = 9600000,
  1446. .cf_max = 19200000,
  1447. .vco_min = 800000000,
  1448. .vco_max = 1866000000,
  1449. .base_reg = PLLMB_BASE,
  1450. .misc_reg = PLLMB_MISC1,
  1451. .lock_mask = PLL_BASE_LOCK,
  1452. .lock_delay = 300,
  1453. .iddq_reg = PLLMB_MISC1,
  1454. .iddq_bit_idx = PLLMB_IDDQ_BIT,
  1455. .max_p = PLL_QLIN_PDIV_MAX,
  1456. .ext_misc_reg[0] = PLLMB_MISC1,
  1457. .round_p_to_pdiv = pll_qlin_p_to_pdiv,
  1458. .pdiv_tohw = pll_qlin_pdiv_to_hw,
  1459. .div_nmp = &pllm_nmp,
  1460. .freq_table = pll_m_freq_table,
  1461. .flags = TEGRA_PLL_USE_LOCK,
  1462. .set_defaults = tegra210_pllmb_set_defaults,
  1463. .calc_rate = tegra210_pll_fixed_mdiv_cfg,
  1464. };
  1465. static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
  1466. /* PLLE special case: use cpcon field to store cml divider value */
  1467. { 672000000, 100000000, 125, 42, 0, 13 },
  1468. { 624000000, 100000000, 125, 39, 0, 13 },
  1469. { 336000000, 100000000, 125, 21, 0, 13 },
  1470. { 312000000, 100000000, 200, 26, 0, 14 },
  1471. { 38400000, 100000000, 125, 2, 0, 14 },
  1472. { 12000000, 100000000, 200, 1, 0, 14 },
  1473. { 0, 0, 0, 0, 0, 0 },
  1474. };
  1475. static struct div_nmp plle_nmp = {
  1476. .divm_shift = 0,
  1477. .divm_width = 8,
  1478. .divn_shift = 8,
  1479. .divn_width = 8,
  1480. .divp_shift = 24,
  1481. .divp_width = 5,
  1482. };
  1483. static struct tegra_clk_pll_params pll_e_params = {
  1484. .input_min = 12000000,
  1485. .input_max = 800000000,
  1486. .cf_min = 12000000,
  1487. .cf_max = 38400000,
  1488. .vco_min = 1600000000,
  1489. .vco_max = 2500000000U,
  1490. .base_reg = PLLE_BASE,
  1491. .misc_reg = PLLE_MISC0,
  1492. .aux_reg = PLLE_AUX,
  1493. .lock_mask = PLLE_MISC_LOCK,
  1494. .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
  1495. .lock_delay = 300,
  1496. .div_nmp = &plle_nmp,
  1497. .freq_table = pll_e_freq_table,
  1498. .flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK |
  1499. TEGRA_PLL_HAS_LOCK_ENABLE,
  1500. .fixed_rate = 100000000,
  1501. .calc_rate = tegra210_pll_fixed_mdiv_cfg,
  1502. };
  1503. static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = {
  1504. { 12000000, 672000000, 56, 1, 1, 0 },
  1505. { 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */
  1506. { 38400000, 672000000, 70, 4, 1, 0 },
  1507. { 0, 0, 0, 0, 0, 0 },
  1508. };
  1509. static struct div_nmp pllre_nmp = {
  1510. .divm_shift = 0,
  1511. .divm_width = 8,
  1512. .divn_shift = 8,
  1513. .divn_width = 8,
  1514. .divp_shift = 16,
  1515. .divp_width = 5,
  1516. };
  1517. static struct tegra_clk_pll_params pll_re_vco_params = {
  1518. .input_min = 9600000,
  1519. .input_max = 800000000,
  1520. .cf_min = 9600000,
  1521. .cf_max = 19200000,
  1522. .vco_min = 350000000,
  1523. .vco_max = 700000000,
  1524. .base_reg = PLLRE_BASE,
  1525. .misc_reg = PLLRE_MISC0,
  1526. .lock_mask = PLLRE_MISC_LOCK,
  1527. .lock_delay = 300,
  1528. .max_p = PLL_QLIN_PDIV_MAX,
  1529. .ext_misc_reg[0] = PLLRE_MISC0,
  1530. .iddq_reg = PLLRE_MISC0,
  1531. .iddq_bit_idx = PLLRE_IDDQ_BIT,
  1532. .round_p_to_pdiv = pll_qlin_p_to_pdiv,
  1533. .pdiv_tohw = pll_qlin_pdiv_to_hw,
  1534. .div_nmp = &pllre_nmp,
  1535. .freq_table = pll_re_vco_freq_table,
  1536. .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT,
  1537. .set_defaults = tegra210_pllre_set_defaults,
  1538. .calc_rate = tegra210_pll_fixed_mdiv_cfg,
  1539. };
  1540. static struct div_nmp pllp_nmp = {
  1541. .divm_shift = 0,
  1542. .divm_width = 8,
  1543. .divn_shift = 10,
  1544. .divn_width = 8,
  1545. .divp_shift = 20,
  1546. .divp_width = 5,
  1547. };
  1548. static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
  1549. { 12000000, 408000000, 34, 1, 1, 0 },
  1550. { 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */
  1551. { 0, 0, 0, 0, 0, 0 },
  1552. };
  1553. static struct tegra_clk_pll_params pll_p_params = {
  1554. .input_min = 9600000,
  1555. .input_max = 800000000,
  1556. .cf_min = 9600000,
  1557. .cf_max = 19200000,
  1558. .vco_min = 350000000,
  1559. .vco_max = 700000000,
  1560. .base_reg = PLLP_BASE,
  1561. .misc_reg = PLLP_MISC0,
  1562. .lock_mask = PLL_BASE_LOCK,
  1563. .lock_delay = 300,
  1564. .iddq_reg = PLLP_MISC0,
  1565. .iddq_bit_idx = PLLXP_IDDQ_BIT,
  1566. .ext_misc_reg[0] = PLLP_MISC0,
  1567. .ext_misc_reg[1] = PLLP_MISC1,
  1568. .div_nmp = &pllp_nmp,
  1569. .freq_table = pll_p_freq_table,
  1570. .fixed_rate = 408000000,
  1571. .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
  1572. .set_defaults = tegra210_pllp_set_defaults,
  1573. .calc_rate = tegra210_pll_fixed_mdiv_cfg,
  1574. };
  1575. static struct tegra_clk_pll_params pll_a1_params = {
  1576. .input_min = 12000000,
  1577. .input_max = 700000000,
  1578. .cf_min = 12000000,
  1579. .cf_max = 50000000,
  1580. .vco_min = 600000000,
  1581. .vco_max = 1200000000,
  1582. .base_reg = PLLA1_BASE,
  1583. .misc_reg = PLLA1_MISC0,
  1584. .lock_mask = PLLCX_BASE_LOCK,
  1585. .lock_delay = 300,
  1586. .iddq_reg = PLLA1_MISC1,
  1587. .iddq_bit_idx = PLLCX_IDDQ_BIT,
  1588. .reset_reg = PLLA1_MISC0,
  1589. .reset_bit_idx = PLLCX_RESET_BIT,
  1590. .round_p_to_pdiv = pll_qlin_p_to_pdiv,
  1591. .pdiv_tohw = pll_qlin_pdiv_to_hw,
  1592. .div_nmp = &pllc_nmp,
  1593. .ext_misc_reg[0] = PLLA1_MISC0,
  1594. .ext_misc_reg[1] = PLLA1_MISC1,
  1595. .ext_misc_reg[2] = PLLA1_MISC2,
  1596. .ext_misc_reg[3] = PLLA1_MISC3,
  1597. .freq_table = pll_cx_freq_table,
  1598. .flags = TEGRA_PLL_USE_LOCK,
  1599. .set_defaults = _plla1_set_defaults,
  1600. .calc_rate = tegra210_pll_fixed_mdiv_cfg,
  1601. };
  1602. static struct div_nmp plla_nmp = {
  1603. .divm_shift = 0,
  1604. .divm_width = 8,
  1605. .divn_shift = 8,
  1606. .divn_width = 8,
  1607. .divp_shift = 20,
  1608. .divp_width = 5,
  1609. };
  1610. static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
  1611. { 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */
  1612. { 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */
  1613. { 12000000, 240000000, 60, 1, 3, 1, 0 },
  1614. { 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */
  1615. { 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */
  1616. { 13000000, 240000000, 55, 1, 3, 1, 0 }, /* actual: 238.3 MHz */
  1617. { 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */
  1618. { 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */
  1619. { 38400000, 240000000, 75, 3, 3, 1, 0 },
  1620. { 0, 0, 0, 0, 0, 0, 0 },
  1621. };
  1622. static struct tegra_clk_pll_params pll_a_params = {
  1623. .input_min = 12000000,
  1624. .input_max = 800000000,
  1625. .cf_min = 12000000,
  1626. .cf_max = 19200000,
  1627. .vco_min = 500000000,
  1628. .vco_max = 1000000000,
  1629. .base_reg = PLLA_BASE,
  1630. .misc_reg = PLLA_MISC0,
  1631. .lock_mask = PLL_BASE_LOCK,
  1632. .lock_delay = 300,
  1633. .round_p_to_pdiv = pll_qlin_p_to_pdiv,
  1634. .pdiv_tohw = pll_qlin_pdiv_to_hw,
  1635. .iddq_reg = PLLA_BASE,
  1636. .iddq_bit_idx = PLLA_IDDQ_BIT,
  1637. .div_nmp = &plla_nmp,
  1638. .sdm_din_reg = PLLA_MISC1,
  1639. .sdm_din_mask = PLLA_SDM_DIN_MASK,
  1640. .sdm_ctrl_reg = PLLA_MISC2,
  1641. .sdm_ctrl_en_mask = PLLA_SDM_EN_MASK,
  1642. .ext_misc_reg[0] = PLLA_MISC0,
  1643. .ext_misc_reg[1] = PLLA_MISC1,
  1644. .ext_misc_reg[2] = PLLA_MISC2,
  1645. .freq_table = pll_a_freq_table,
  1646. .flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW,
  1647. .set_defaults = tegra210_plla_set_defaults,
  1648. .calc_rate = tegra210_pll_fixed_mdiv_cfg,
  1649. .set_gain = tegra210_clk_pll_set_gain,
  1650. .adjust_vco = tegra210_clk_adjust_vco_min,
  1651. };
  1652. static struct div_nmp plld_nmp = {
  1653. .divm_shift = 0,
  1654. .divm_width = 8,
  1655. .divn_shift = 11,
  1656. .divn_width = 8,
  1657. .divp_shift = 20,
  1658. .divp_width = 3,
  1659. };
  1660. static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
  1661. { 12000000, 594000000, 99, 1, 2, 0, 0 },
  1662. { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
  1663. { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
  1664. { 0, 0, 0, 0, 0, 0, 0 },
  1665. };
  1666. static struct tegra_clk_pll_params pll_d_params = {
  1667. .input_min = 12000000,
  1668. .input_max = 800000000,
  1669. .cf_min = 12000000,
  1670. .cf_max = 38400000,
  1671. .vco_min = 750000000,
  1672. .vco_max = 1500000000,
  1673. .base_reg = PLLD_BASE,
  1674. .misc_reg = PLLD_MISC0,
  1675. .lock_mask = PLL_BASE_LOCK,
  1676. .lock_delay = 1000,
  1677. .iddq_reg = PLLD_MISC0,
  1678. .iddq_bit_idx = PLLD_IDDQ_BIT,
  1679. .round_p_to_pdiv = pll_expo_p_to_pdiv,
  1680. .pdiv_tohw = pll_expo_pdiv_to_hw,
  1681. .div_nmp = &plld_nmp,
  1682. .sdm_din_reg = PLLD_MISC0,
  1683. .sdm_din_mask = PLLA_SDM_DIN_MASK,
  1684. .sdm_ctrl_reg = PLLD_MISC0,
  1685. .sdm_ctrl_en_mask = PLLD_SDM_EN_MASK,
  1686. .ext_misc_reg[0] = PLLD_MISC0,
  1687. .ext_misc_reg[1] = PLLD_MISC1,
  1688. .freq_table = pll_d_freq_table,
  1689. .flags = TEGRA_PLL_USE_LOCK,
  1690. .mdiv_default = 1,
  1691. .set_defaults = tegra210_plld_set_defaults,
  1692. .calc_rate = tegra210_pll_fixed_mdiv_cfg,
  1693. .set_gain = tegra210_clk_pll_set_gain,
  1694. .adjust_vco = tegra210_clk_adjust_vco_min,
  1695. };
  1696. static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = {
  1697. { 12000000, 594000000, 99, 1, 2, 0, 0xf000 },
  1698. { 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
  1699. { 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
  1700. { 0, 0, 0, 0, 0, 0, 0 },
  1701. };
  1702. /* s/w policy, always tegra_pll_ref */
  1703. static struct tegra_clk_pll_params pll_d2_params = {
  1704. .input_min = 12000000,
  1705. .input_max = 800000000,
  1706. .cf_min = 12000000,
  1707. .cf_max = 38400000,
  1708. .vco_min = 750000000,
  1709. .vco_max = 1500000000,
  1710. .base_reg = PLLD2_BASE,
  1711. .misc_reg = PLLD2_MISC0,
  1712. .lock_mask = PLL_BASE_LOCK,
  1713. .lock_delay = 300,
  1714. .iddq_reg = PLLD2_BASE,
  1715. .iddq_bit_idx = PLLSS_IDDQ_BIT,
  1716. .sdm_din_reg = PLLD2_MISC3,
  1717. .sdm_din_mask = PLLA_SDM_DIN_MASK,
  1718. .sdm_ctrl_reg = PLLD2_MISC1,
  1719. .sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK,
  1720. /* disable spread-spectrum for pll_d2 */
  1721. .ssc_ctrl_reg = 0,
  1722. .ssc_ctrl_en_mask = 0,
  1723. .round_p_to_pdiv = pll_qlin_p_to_pdiv,
  1724. .pdiv_tohw = pll_qlin_pdiv_to_hw,
  1725. .div_nmp = &pllss_nmp,
  1726. .ext_misc_reg[0] = PLLD2_MISC0,
  1727. .ext_misc_reg[1] = PLLD2_MISC1,
  1728. .ext_misc_reg[2] = PLLD2_MISC2,
  1729. .ext_misc_reg[3] = PLLD2_MISC3,
  1730. .max_p = PLL_QLIN_PDIV_MAX,
  1731. .mdiv_default = 1,
  1732. .freq_table = tegra210_pll_d2_freq_table,
  1733. .set_defaults = tegra210_plld2_set_defaults,
  1734. .flags = TEGRA_PLL_USE_LOCK,
  1735. .calc_rate = tegra210_pll_fixed_mdiv_cfg,
  1736. .set_gain = tegra210_clk_pll_set_gain,
  1737. .adjust_vco = tegra210_clk_adjust_vco_min,
  1738. };
  1739. static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = {
  1740. { 12000000, 270000000, 90, 1, 4, 0, 0xf000 },
  1741. { 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */
  1742. { 38400000, 270000000, 28, 1, 4, 0, 0xf400 },
  1743. { 0, 0, 0, 0, 0, 0, 0 },
  1744. };
  1745. static struct tegra_clk_pll_params pll_dp_params = {
  1746. .input_min = 12000000,
  1747. .input_max = 800000000,
  1748. .cf_min = 12000000,
  1749. .cf_max = 38400000,
  1750. .vco_min = 750000000,
  1751. .vco_max = 1500000000,
  1752. .base_reg = PLLDP_BASE,
  1753. .misc_reg = PLLDP_MISC,
  1754. .lock_mask = PLL_BASE_LOCK,
  1755. .lock_delay = 300,
  1756. .iddq_reg = PLLDP_BASE,
  1757. .iddq_bit_idx = PLLSS_IDDQ_BIT,
  1758. .sdm_din_reg = PLLDP_SS_CTRL2,
  1759. .sdm_din_mask = PLLA_SDM_DIN_MASK,
  1760. .sdm_ctrl_reg = PLLDP_SS_CFG,
  1761. .sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK,
  1762. .ssc_ctrl_reg = PLLDP_SS_CFG,
  1763. .ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK,
  1764. .round_p_to_pdiv = pll_qlin_p_to_pdiv,
  1765. .pdiv_tohw = pll_qlin_pdiv_to_hw,
  1766. .div_nmp = &pllss_nmp,
  1767. .ext_misc_reg[0] = PLLDP_MISC,
  1768. .ext_misc_reg[1] = PLLDP_SS_CFG,
  1769. .ext_misc_reg[2] = PLLDP_SS_CTRL1,
  1770. .ext_misc_reg[3] = PLLDP_SS_CTRL2,
  1771. .max_p = PLL_QLIN_PDIV_MAX,
  1772. .mdiv_default = 1,
  1773. .freq_table = pll_dp_freq_table,
  1774. .set_defaults = tegra210_plldp_set_defaults,
  1775. .flags = TEGRA_PLL_USE_LOCK,
  1776. .calc_rate = tegra210_pll_fixed_mdiv_cfg,
  1777. .set_gain = tegra210_clk_pll_set_gain,
  1778. .adjust_vco = tegra210_clk_adjust_vco_min,
  1779. };
  1780. static struct div_nmp pllu_nmp = {
  1781. .divm_shift = 0,
  1782. .divm_width = 8,
  1783. .divn_shift = 8,
  1784. .divn_width = 8,
  1785. .divp_shift = 16,
  1786. .divp_width = 5,
  1787. };
  1788. static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
  1789. { 12000000, 480000000, 40, 1, 0, 0 },
  1790. { 13000000, 480000000, 36, 1, 0, 0 }, /* actual: 468.0 MHz */
  1791. { 38400000, 480000000, 25, 2, 0, 0 },
  1792. { 0, 0, 0, 0, 0, 0 },
  1793. };
  1794. static struct tegra_clk_pll_params pll_u_vco_params = {
  1795. .input_min = 9600000,
  1796. .input_max = 800000000,
  1797. .cf_min = 9600000,
  1798. .cf_max = 19200000,
  1799. .vco_min = 350000000,
  1800. .vco_max = 700000000,
  1801. .base_reg = PLLU_BASE,
  1802. .misc_reg = PLLU_MISC0,
  1803. .lock_mask = PLL_BASE_LOCK,
  1804. .lock_delay = 1000,
  1805. .iddq_reg = PLLU_MISC0,
  1806. .iddq_bit_idx = PLLU_IDDQ_BIT,
  1807. .ext_misc_reg[0] = PLLU_MISC0,
  1808. .ext_misc_reg[1] = PLLU_MISC1,
  1809. .round_p_to_pdiv = pll_qlin_p_to_pdiv,
  1810. .pdiv_tohw = pll_qlin_pdiv_to_hw,
  1811. .div_nmp = &pllu_nmp,
  1812. .freq_table = pll_u_freq_table,
  1813. .flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
  1814. };
  1815. struct utmi_clk_param {
  1816. /* Oscillator Frequency in KHz */
  1817. u32 osc_frequency;
  1818. /* UTMIP PLL Enable Delay Count */
  1819. u8 enable_delay_count;
  1820. /* UTMIP PLL Stable count */
  1821. u16 stable_count;
  1822. /* UTMIP PLL Active delay count */
  1823. u8 active_delay_count;
  1824. /* UTMIP PLL Xtal frequency count */
  1825. u16 xtal_freq_count;
  1826. };
  1827. static const struct utmi_clk_param utmi_parameters[] = {
  1828. {
  1829. .osc_frequency = 38400000, .enable_delay_count = 0x0,
  1830. .stable_count = 0x0, .active_delay_count = 0x6,
  1831. .xtal_freq_count = 0x80
  1832. }, {
  1833. .osc_frequency = 13000000, .enable_delay_count = 0x02,
  1834. .stable_count = 0x33, .active_delay_count = 0x05,
  1835. .xtal_freq_count = 0x7f
  1836. }, {
  1837. .osc_frequency = 19200000, .enable_delay_count = 0x03,
  1838. .stable_count = 0x4b, .active_delay_count = 0x06,
  1839. .xtal_freq_count = 0xbb
  1840. }, {
  1841. .osc_frequency = 12000000, .enable_delay_count = 0x02,
  1842. .stable_count = 0x2f, .active_delay_count = 0x08,
  1843. .xtal_freq_count = 0x76
  1844. }, {
  1845. .osc_frequency = 26000000, .enable_delay_count = 0x04,
  1846. .stable_count = 0x66, .active_delay_count = 0x09,
  1847. .xtal_freq_count = 0xfe
  1848. }, {
  1849. .osc_frequency = 16800000, .enable_delay_count = 0x03,
  1850. .stable_count = 0x41, .active_delay_count = 0x0a,
  1851. .xtal_freq_count = 0xa4
  1852. },
  1853. };
  1854. static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
  1855. [tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true },
  1856. [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true },
  1857. [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true },
  1858. [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true },
  1859. [tegra_clk_sdmmc2_9] = { .dt_id = TEGRA210_CLK_SDMMC2, .present = true },
  1860. [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true },
  1861. [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true },
  1862. [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true },
  1863. [tegra_clk_sdmmc4_9] = { .dt_id = TEGRA210_CLK_SDMMC4, .present = true },
  1864. [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true },
  1865. [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true },
  1866. [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true },
  1867. [tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true },
  1868. [tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true },
  1869. [tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true },
  1870. [tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true },
  1871. [tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true },
  1872. [tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true },
  1873. [tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true },
  1874. [tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true },
  1875. [tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true },
  1876. [tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true },
  1877. [tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true },
  1878. [tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true },
  1879. [tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true },
  1880. [tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true },
  1881. [tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true },
  1882. [tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true },
  1883. [tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true },
  1884. [tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true },
  1885. [tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true },
  1886. [tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true },
  1887. [tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true },
  1888. [tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true },
  1889. [tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true },
  1890. [tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true },
  1891. [tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true },
  1892. [tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true },
  1893. [tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true },
  1894. [tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true },
  1895. [tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true },
  1896. [tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true },
  1897. [tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true },
  1898. [tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true },
  1899. [tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true },
  1900. [tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true },
  1901. [tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true },
  1902. [tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true },
  1903. [tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true },
  1904. [tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true },
  1905. [tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true },
  1906. [tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true },
  1907. [tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true },
  1908. [tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true },
  1909. [tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true },
  1910. [tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true },
  1911. [tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true },
  1912. [tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true },
  1913. [tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true },
  1914. [tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true },
  1915. [tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true },
  1916. [tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true },
  1917. [tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true },
  1918. [tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true },
  1919. [tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true },
  1920. [tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true },
  1921. [tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true },
  1922. [tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true },
  1923. [tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true },
  1924. [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true },
  1925. [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true },
  1926. [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true },
  1927. [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true },
  1928. [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true },
  1929. [tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true },
  1930. [tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true },
  1931. [tegra_clk_sor1_src] = { .dt_id = TEGRA210_CLK_SOR1_SRC, .present = true },
  1932. [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true },
  1933. [tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, },
  1934. [tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true },
  1935. [tegra_clk_vfir] = { .dt_id = TEGRA210_CLK_VFIR, .present = true },
  1936. [tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true },
  1937. [tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true },
  1938. [tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true },
  1939. [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true },
  1940. [tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true },
  1941. [tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true },
  1942. [tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true },
  1943. [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true },
  1944. [tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true },
  1945. [tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true },
  1946. [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true },
  1947. [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true },
  1948. [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true },
  1949. [tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true },
  1950. [tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true },
  1951. [tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true },
  1952. [tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true },
  1953. [tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true },
  1954. [tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true },
  1955. [tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true },
  1956. [tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true },
  1957. [tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true },
  1958. [tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true },
  1959. [tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true },
  1960. [tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true },
  1961. [tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true },
  1962. [tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true },
  1963. [tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true },
  1964. [tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true },
  1965. [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true },
  1966. [tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true },
  1967. [tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true },
  1968. [tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true },
  1969. [tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true },
  1970. [tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true },
  1971. [tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true },
  1972. [tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true },
  1973. [tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true },
  1974. [tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true },
  1975. [tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true },
  1976. [tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true },
  1977. [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true },
  1978. [tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true },
  1979. [tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true },
  1980. [tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true },
  1981. [tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true },
  1982. [tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true },
  1983. [tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true },
  1984. [tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true },
  1985. [tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true },
  1986. [tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true },
  1987. [tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true },
  1988. [tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true },
  1989. [tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true },
  1990. [tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true },
  1991. [tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true },
  1992. [tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true },
  1993. [tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true },
  1994. [tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true },
  1995. [tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true },
  1996. [tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true },
  1997. [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true },
  1998. [tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true },
  1999. [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true },
  2000. [tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true },
  2001. [tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true },
  2002. [tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true },
  2003. [tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true },
  2004. [tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true },
  2005. [tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true },
  2006. [tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true },
  2007. [tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true },
  2008. [tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true },
  2009. [tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true },
  2010. [tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true },
  2011. [tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true },
  2012. [tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true },
  2013. [tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true },
  2014. [tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true },
  2015. [tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true },
  2016. [tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true },
  2017. [tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true },
  2018. [tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true },
  2019. [tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true },
  2020. [tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true },
  2021. [tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true },
  2022. [tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true },
  2023. [tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true },
  2024. [tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true },
  2025. [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true },
  2026. [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true },
  2027. [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true },
  2028. [tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true },
  2029. [tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true },
  2030. [tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true },
  2031. [tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true },
  2032. [tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true },
  2033. [tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true },
  2034. [tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true },
  2035. [tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true },
  2036. [tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true },
  2037. [tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true },
  2038. [tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true },
  2039. [tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true },
  2040. [tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true },
  2041. [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true },
  2042. [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true },
  2043. [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true },
  2044. [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true },
  2045. [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true },
  2046. [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true },
  2047. [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true },
  2048. [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true },
  2049. [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true },
  2050. [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true },
  2051. [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true },
  2052. [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true },
  2053. [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true },
  2054. [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true },
  2055. [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true },
  2056. [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true },
  2057. [tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true },
  2058. [tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true },
  2059. [tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true },
  2060. [tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true },
  2061. [tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true },
  2062. [tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true },
  2063. [tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true },
  2064. };
  2065. static struct tegra_devclk devclks[] __initdata = {
  2066. { .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M },
  2067. { .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF },
  2068. { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K },
  2069. { .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 },
  2070. { .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 },
  2071. { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C },
  2072. { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 },
  2073. { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 },
  2074. { .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 },
  2075. { .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P },
  2076. { .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 },
  2077. { .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 },
  2078. { .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 },
  2079. { .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 },
  2080. { .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M },
  2081. { .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X },
  2082. { .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 },
  2083. { .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U },
  2084. { .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT },
  2085. { .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 },
  2086. { .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 },
  2087. { .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M },
  2088. { .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M },
  2089. { .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M },
  2090. { .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D },
  2091. { .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 },
  2092. { .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 },
  2093. { .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 },
  2094. { .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A },
  2095. { .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 },
  2096. { .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO },
  2097. { .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT },
  2098. { .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC },
  2099. { .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC },
  2100. { .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC },
  2101. { .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC },
  2102. { .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC },
  2103. { .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC },
  2104. { .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC },
  2105. { .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 },
  2106. { .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 },
  2107. { .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 },
  2108. { .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 },
  2109. { .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 },
  2110. { .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF },
  2111. { .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X },
  2112. { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 },
  2113. { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 },
  2114. { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 },
  2115. { .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK },
  2116. { .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G },
  2117. { .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP },
  2118. { .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK },
  2119. { .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK },
  2120. { .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK },
  2121. { .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE },
  2122. { .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC },
  2123. { .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER },
  2124. { .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 },
  2125. { .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 },
  2126. { .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 },
  2127. { .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 },
  2128. { .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX },
  2129. { .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 },
  2130. };
  2131. static struct tegra_audio_clk_info tegra210_audio_plls[] = {
  2132. { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" },
  2133. { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" },
  2134. };
  2135. static struct clk **clks;
  2136. static const char * const aclk_parents[] = {
  2137. "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3",
  2138. "clk_m"
  2139. };
  2140. void tegra210_put_utmipll_in_iddq(void)
  2141. {
  2142. u32 reg;
  2143. reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
  2144. if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) {
  2145. pr_err("trying to assert IDDQ while UTMIPLL is locked\n");
  2146. return;
  2147. }
  2148. reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
  2149. writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
  2150. }
  2151. EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq);
  2152. void tegra210_put_utmipll_out_iddq(void)
  2153. {
  2154. u32 reg;
  2155. reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
  2156. reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
  2157. writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
  2158. }
  2159. EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq);
  2160. static void tegra210_utmi_param_configure(void)
  2161. {
  2162. u32 reg;
  2163. int i;
  2164. for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
  2165. if (osc_freq == utmi_parameters[i].osc_frequency)
  2166. break;
  2167. }
  2168. if (i >= ARRAY_SIZE(utmi_parameters)) {
  2169. pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
  2170. osc_freq);
  2171. return;
  2172. }
  2173. reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
  2174. reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
  2175. writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
  2176. udelay(10);
  2177. reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
  2178. /* Program UTMIP PLL stable and active counts */
  2179. /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
  2180. reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
  2181. reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
  2182. reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
  2183. reg |=
  2184. UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count);
  2185. writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
  2186. /* Program UTMIP PLL delay and oscillator frequency counts */
  2187. reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
  2188. reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
  2189. reg |=
  2190. UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count);
  2191. reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
  2192. reg |=
  2193. UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count);
  2194. reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
  2195. writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
  2196. /* Remove power downs from UTMIP PLL control bits */
  2197. reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
  2198. reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
  2199. reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
  2200. writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
  2201. udelay(1);
  2202. /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
  2203. reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
  2204. reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP;
  2205. reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP;
  2206. reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP;
  2207. reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
  2208. reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
  2209. reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN;
  2210. writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
  2211. /* Setup HW control of UTMIPLL */
  2212. reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
  2213. reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
  2214. reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
  2215. writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
  2216. reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
  2217. reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
  2218. reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
  2219. writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
  2220. udelay(1);
  2221. reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
  2222. reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY;
  2223. writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
  2224. udelay(1);
  2225. /* Enable HW control UTMIPLL */
  2226. reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
  2227. reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
  2228. writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
  2229. }
  2230. static int tegra210_enable_pllu(void)
  2231. {
  2232. struct tegra_clk_pll_freq_table *fentry;
  2233. struct tegra_clk_pll pllu;
  2234. u32 reg;
  2235. for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) {
  2236. if (fentry->input_rate == pll_ref_freq)
  2237. break;
  2238. }
  2239. if (!fentry->input_rate) {
  2240. pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq);
  2241. return -EINVAL;
  2242. }
  2243. /* clear IDDQ bit */
  2244. pllu.params = &pll_u_vco_params;
  2245. reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]);
  2246. reg &= ~BIT(pllu.params->iddq_bit_idx);
  2247. writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]);
  2248. reg = readl_relaxed(clk_base + PLLU_BASE);
  2249. reg &= ~GENMASK(20, 0);
  2250. reg |= fentry->m;
  2251. reg |= fentry->n << 8;
  2252. reg |= fentry->p << 16;
  2253. writel(reg, clk_base + PLLU_BASE);
  2254. reg |= PLL_ENABLE;
  2255. writel(reg, clk_base + PLLU_BASE);
  2256. readl_relaxed_poll_timeout(clk_base + PLLU_BASE, reg,
  2257. reg & PLL_BASE_LOCK, 2, 1000);
  2258. if (!(reg & PLL_BASE_LOCK)) {
  2259. pr_err("Timed out waiting for PLL_U to lock\n");
  2260. return -ETIMEDOUT;
  2261. }
  2262. return 0;
  2263. }
  2264. static int tegra210_init_pllu(void)
  2265. {
  2266. u32 reg;
  2267. int err;
  2268. tegra210_pllu_set_defaults(&pll_u_vco_params);
  2269. /* skip initialization when pllu is in hw controlled mode */
  2270. reg = readl_relaxed(clk_base + PLLU_BASE);
  2271. if (reg & PLLU_BASE_OVERRIDE) {
  2272. if (!(reg & PLL_ENABLE)) {
  2273. err = tegra210_enable_pllu();
  2274. if (err < 0) {
  2275. WARN_ON(1);
  2276. return err;
  2277. }
  2278. }
  2279. /* enable hw controlled mode */
  2280. reg = readl_relaxed(clk_base + PLLU_BASE);
  2281. reg &= ~PLLU_BASE_OVERRIDE;
  2282. writel(reg, clk_base + PLLU_BASE);
  2283. reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
  2284. reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE |
  2285. PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT |
  2286. PLLU_HW_PWRDN_CFG0_USE_LOCKDET;
  2287. reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL |
  2288. PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL);
  2289. writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
  2290. reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
  2291. reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK;
  2292. writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
  2293. udelay(1);
  2294. reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
  2295. reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE;
  2296. writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
  2297. udelay(1);
  2298. reg = readl_relaxed(clk_base + PLLU_BASE);
  2299. reg &= ~PLLU_BASE_CLKENABLE_USB;
  2300. writel_relaxed(reg, clk_base + PLLU_BASE);
  2301. }
  2302. /* enable UTMIPLL hw control if not yet done by the bootloader */
  2303. reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
  2304. if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE))
  2305. tegra210_utmi_param_configure();
  2306. return 0;
  2307. }
  2308. static __init void tegra210_periph_clk_init(void __iomem *clk_base,
  2309. void __iomem *pmc_base)
  2310. {
  2311. struct clk *clk;
  2312. /* xusb_ss_div2 */
  2313. clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
  2314. 1, 2);
  2315. clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk;
  2316. clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base,
  2317. 1, 17, 222);
  2318. clks[TEGRA210_CLK_SOR_SAFE] = clk;
  2319. clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base,
  2320. 1, 17, 181);
  2321. clks[TEGRA210_CLK_DPAUX] = clk;
  2322. clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base,
  2323. 1, 17, 207);
  2324. clks[TEGRA210_CLK_DPAUX1] = clk;
  2325. /* pll_d_dsi_out */
  2326. clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
  2327. clk_base + PLLD_MISC0, 21, 0, &pll_d_lock);
  2328. clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk;
  2329. /* dsia */
  2330. clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
  2331. clk_base, 0, 48,
  2332. periph_clk_enb_refcnt);
  2333. clks[TEGRA210_CLK_DSIA] = clk;
  2334. /* dsib */
  2335. clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
  2336. clk_base, 0, 82,
  2337. periph_clk_enb_refcnt);
  2338. clks[TEGRA210_CLK_DSIB] = clk;
  2339. /* emc mux */
  2340. clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
  2341. ARRAY_SIZE(mux_pllmcp_clkm), 0,
  2342. clk_base + CLK_SOURCE_EMC,
  2343. 29, 3, 0, &emc_lock);
  2344. clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC,
  2345. &emc_lock);
  2346. clks[TEGRA210_CLK_MC] = clk;
  2347. /* cml0 */
  2348. clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
  2349. 0, 0, &pll_e_lock);
  2350. clk_register_clkdev(clk, "cml0", NULL);
  2351. clks[TEGRA210_CLK_CML0] = clk;
  2352. /* cml1 */
  2353. clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
  2354. 1, 0, &pll_e_lock);
  2355. clk_register_clkdev(clk, "cml1", NULL);
  2356. clks[TEGRA210_CLK_CML1] = clk;
  2357. clk = tegra_clk_register_super_clk("aclk", aclk_parents,
  2358. ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0,
  2359. 0, NULL);
  2360. clks[TEGRA210_CLK_ACLK] = clk;
  2361. tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params);
  2362. }
  2363. static void __init tegra210_pll_init(void __iomem *clk_base,
  2364. void __iomem *pmc)
  2365. {
  2366. struct clk *clk;
  2367. /* PLLC */
  2368. clk = tegra_clk_register_pllxc_tegra210("pll_c", "pll_ref", clk_base,
  2369. pmc, 0, &pll_c_params, NULL);
  2370. if (!WARN_ON(IS_ERR(clk)))
  2371. clk_register_clkdev(clk, "pll_c", NULL);
  2372. clks[TEGRA210_CLK_PLL_C] = clk;
  2373. /* PLLC_OUT1 */
  2374. clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
  2375. clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
  2376. 8, 8, 1, NULL);
  2377. clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
  2378. clk_base + PLLC_OUT, 1, 0,
  2379. CLK_SET_RATE_PARENT, 0, NULL);
  2380. clk_register_clkdev(clk, "pll_c_out1", NULL);
  2381. clks[TEGRA210_CLK_PLL_C_OUT1] = clk;
  2382. /* PLLC_UD */
  2383. clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c",
  2384. CLK_SET_RATE_PARENT, 1, 1);
  2385. clk_register_clkdev(clk, "pll_c_ud", NULL);
  2386. clks[TEGRA210_CLK_PLL_C_UD] = clk;
  2387. /* PLLC2 */
  2388. clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base,
  2389. pmc, 0, &pll_c2_params, NULL);
  2390. clk_register_clkdev(clk, "pll_c2", NULL);
  2391. clks[TEGRA210_CLK_PLL_C2] = clk;
  2392. /* PLLC3 */
  2393. clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base,
  2394. pmc, 0, &pll_c3_params, NULL);
  2395. clk_register_clkdev(clk, "pll_c3", NULL);
  2396. clks[TEGRA210_CLK_PLL_C3] = clk;
  2397. /* PLLM */
  2398. clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc,
  2399. CLK_SET_RATE_GATE, &pll_m_params, NULL);
  2400. clk_register_clkdev(clk, "pll_m", NULL);
  2401. clks[TEGRA210_CLK_PLL_M] = clk;
  2402. /* PLLMB */
  2403. clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc,
  2404. CLK_SET_RATE_GATE, &pll_mb_params, NULL);
  2405. clk_register_clkdev(clk, "pll_mb", NULL);
  2406. clks[TEGRA210_CLK_PLL_MB] = clk;
  2407. /* PLLM_UD */
  2408. clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
  2409. CLK_SET_RATE_PARENT, 1, 1);
  2410. clk_register_clkdev(clk, "pll_m_ud", NULL);
  2411. clks[TEGRA210_CLK_PLL_M_UD] = clk;
  2412. /* PLLU_VCO */
  2413. if (!tegra210_init_pllu()) {
  2414. clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0,
  2415. 480*1000*1000);
  2416. clk_register_clkdev(clk, "pll_u_vco", NULL);
  2417. clks[TEGRA210_CLK_PLL_U] = clk;
  2418. }
  2419. /* PLLU_OUT */
  2420. clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0,
  2421. clk_base + PLLU_BASE, 16, 4, 0,
  2422. pll_vco_post_div_table, NULL);
  2423. clk_register_clkdev(clk, "pll_u_out", NULL);
  2424. clks[TEGRA210_CLK_PLL_U_OUT] = clk;
  2425. /* PLLU_OUT1 */
  2426. clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out",
  2427. clk_base + PLLU_OUTA, 0,
  2428. TEGRA_DIVIDER_ROUND_UP,
  2429. 8, 8, 1, &pll_u_lock);
  2430. clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div",
  2431. clk_base + PLLU_OUTA, 1, 0,
  2432. CLK_SET_RATE_PARENT, 0, &pll_u_lock);
  2433. clk_register_clkdev(clk, "pll_u_out1", NULL);
  2434. clks[TEGRA210_CLK_PLL_U_OUT1] = clk;
  2435. /* PLLU_OUT2 */
  2436. clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out",
  2437. clk_base + PLLU_OUTA, 0,
  2438. TEGRA_DIVIDER_ROUND_UP,
  2439. 24, 8, 1, &pll_u_lock);
  2440. clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div",
  2441. clk_base + PLLU_OUTA, 17, 16,
  2442. CLK_SET_RATE_PARENT, 0, &pll_u_lock);
  2443. clk_register_clkdev(clk, "pll_u_out2", NULL);
  2444. clks[TEGRA210_CLK_PLL_U_OUT2] = clk;
  2445. /* PLLU_480M */
  2446. clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco",
  2447. CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
  2448. 22, 0, &pll_u_lock);
  2449. clk_register_clkdev(clk, "pll_u_480M", NULL);
  2450. clks[TEGRA210_CLK_PLL_U_480M] = clk;
  2451. /* PLLU_60M */
  2452. clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2",
  2453. CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
  2454. 23, 0, NULL);
  2455. clk_register_clkdev(clk, "pll_u_60M", NULL);
  2456. clks[TEGRA210_CLK_PLL_U_60M] = clk;
  2457. /* PLLU_48M */
  2458. clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1",
  2459. CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
  2460. 25, 0, NULL);
  2461. clk_register_clkdev(clk, "pll_u_48M", NULL);
  2462. clks[TEGRA210_CLK_PLL_U_48M] = clk;
  2463. /* PLLD */
  2464. clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
  2465. &pll_d_params, &pll_d_lock);
  2466. clk_register_clkdev(clk, "pll_d", NULL);
  2467. clks[TEGRA210_CLK_PLL_D] = clk;
  2468. /* PLLD_OUT0 */
  2469. clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
  2470. CLK_SET_RATE_PARENT, 1, 2);
  2471. clk_register_clkdev(clk, "pll_d_out0", NULL);
  2472. clks[TEGRA210_CLK_PLL_D_OUT0] = clk;
  2473. /* PLLRE */
  2474. clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref",
  2475. clk_base, pmc, 0,
  2476. &pll_re_vco_params,
  2477. &pll_re_lock, pll_ref_freq);
  2478. clk_register_clkdev(clk, "pll_re_vco", NULL);
  2479. clks[TEGRA210_CLK_PLL_RE_VCO] = clk;
  2480. clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
  2481. clk_base + PLLRE_BASE, 16, 5, 0,
  2482. pll_vco_post_div_table, &pll_re_lock);
  2483. clk_register_clkdev(clk, "pll_re_out", NULL);
  2484. clks[TEGRA210_CLK_PLL_RE_OUT] = clk;
  2485. clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco",
  2486. clk_base + PLLRE_OUT1, 0,
  2487. TEGRA_DIVIDER_ROUND_UP,
  2488. 8, 8, 1, NULL);
  2489. clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div",
  2490. clk_base + PLLRE_OUT1, 1, 0,
  2491. CLK_SET_RATE_PARENT, 0, NULL);
  2492. clks[TEGRA210_CLK_PLL_RE_OUT1] = clk;
  2493. /* PLLE */
  2494. clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref",
  2495. clk_base, 0, &pll_e_params, NULL);
  2496. clk_register_clkdev(clk, "pll_e", NULL);
  2497. clks[TEGRA210_CLK_PLL_E] = clk;
  2498. /* PLLC4 */
  2499. clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc,
  2500. 0, &pll_c4_vco_params, NULL, pll_ref_freq);
  2501. clk_register_clkdev(clk, "pll_c4_vco", NULL);
  2502. clks[TEGRA210_CLK_PLL_C4] = clk;
  2503. /* PLLC4_OUT0 */
  2504. clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0,
  2505. clk_base + PLLC4_BASE, 19, 4, 0,
  2506. pll_vco_post_div_table, NULL);
  2507. clk_register_clkdev(clk, "pll_c4_out0", NULL);
  2508. clks[TEGRA210_CLK_PLL_C4_OUT0] = clk;
  2509. /* PLLC4_OUT1 */
  2510. clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco",
  2511. CLK_SET_RATE_PARENT, 1, 3);
  2512. clk_register_clkdev(clk, "pll_c4_out1", NULL);
  2513. clks[TEGRA210_CLK_PLL_C4_OUT1] = clk;
  2514. /* PLLC4_OUT2 */
  2515. clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco",
  2516. CLK_SET_RATE_PARENT, 1, 5);
  2517. clk_register_clkdev(clk, "pll_c4_out2", NULL);
  2518. clks[TEGRA210_CLK_PLL_C4_OUT2] = clk;
  2519. /* PLLC4_OUT3 */
  2520. clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0",
  2521. clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
  2522. 8, 8, 1, NULL);
  2523. clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div",
  2524. clk_base + PLLC4_OUT, 1, 0,
  2525. CLK_SET_RATE_PARENT, 0, NULL);
  2526. clk_register_clkdev(clk, "pll_c4_out3", NULL);
  2527. clks[TEGRA210_CLK_PLL_C4_OUT3] = clk;
  2528. /* PLLDP */
  2529. clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base,
  2530. 0, &pll_dp_params, NULL);
  2531. clk_register_clkdev(clk, "pll_dp", NULL);
  2532. clks[TEGRA210_CLK_PLL_DP] = clk;
  2533. /* PLLD2 */
  2534. clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base,
  2535. 0, &pll_d2_params, NULL);
  2536. clk_register_clkdev(clk, "pll_d2", NULL);
  2537. clks[TEGRA210_CLK_PLL_D2] = clk;
  2538. /* PLLD2_OUT0 */
  2539. clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
  2540. CLK_SET_RATE_PARENT, 1, 1);
  2541. clk_register_clkdev(clk, "pll_d2_out0", NULL);
  2542. clks[TEGRA210_CLK_PLL_D2_OUT0] = clk;
  2543. /* PLLP_OUT2 */
  2544. clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p",
  2545. CLK_SET_RATE_PARENT, 1, 2);
  2546. clk_register_clkdev(clk, "pll_p_out2", NULL);
  2547. clks[TEGRA210_CLK_PLL_P_OUT2] = clk;
  2548. }
  2549. /* Tegra210 CPU clock and reset control functions */
  2550. static void tegra210_wait_cpu_in_reset(u32 cpu)
  2551. {
  2552. unsigned int reg;
  2553. do {
  2554. reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
  2555. cpu_relax();
  2556. } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
  2557. }
  2558. static void tegra210_disable_cpu_clock(u32 cpu)
  2559. {
  2560. /* flow controller would take care in the power sequence. */
  2561. }
  2562. #ifdef CONFIG_PM_SLEEP
  2563. static void tegra210_cpu_clock_suspend(void)
  2564. {
  2565. /* switch coresite to clk_m, save off original source */
  2566. tegra210_cpu_clk_sctx.clk_csite_src =
  2567. readl(clk_base + CLK_SOURCE_CSITE);
  2568. writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
  2569. }
  2570. static void tegra210_cpu_clock_resume(void)
  2571. {
  2572. writel(tegra210_cpu_clk_sctx.clk_csite_src,
  2573. clk_base + CLK_SOURCE_CSITE);
  2574. }
  2575. #endif
  2576. static struct tegra_cpu_car_ops tegra210_cpu_car_ops = {
  2577. .wait_for_reset = tegra210_wait_cpu_in_reset,
  2578. .disable_clock = tegra210_disable_cpu_clock,
  2579. #ifdef CONFIG_PM_SLEEP
  2580. .suspend = tegra210_cpu_clock_suspend,
  2581. .resume = tegra210_cpu_clock_resume,
  2582. #endif
  2583. };
  2584. static const struct of_device_id pmc_match[] __initconst = {
  2585. { .compatible = "nvidia,tegra210-pmc" },
  2586. { },
  2587. };
  2588. static struct tegra_clk_init_table init_table[] __initdata = {
  2589. { TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 },
  2590. { TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 },
  2591. { TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 },
  2592. { TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 },
  2593. { TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 },
  2594. { TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 },
  2595. { TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 },
  2596. { TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 },
  2597. { TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 },
  2598. { TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
  2599. { TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
  2600. { TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
  2601. { TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
  2602. { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
  2603. { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 },
  2604. { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 },
  2605. { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 1 },
  2606. { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 },
  2607. { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 },
  2608. { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 },
  2609. { TEGRA210_CLK_PLL_RE_VCO, TEGRA210_CLK_CLK_MAX, 672000000, 1 },
  2610. { TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 },
  2611. { TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 },
  2612. { TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 },
  2613. { TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
  2614. { TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
  2615. { TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 },
  2616. { TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
  2617. { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
  2618. { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 },
  2619. { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 },
  2620. { TEGRA210_CLK_EMC, TEGRA210_CLK_CLK_MAX, 0, 1 },
  2621. { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 },
  2622. { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 },
  2623. /* TODO find a way to enable this on-demand */
  2624. { TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 },
  2625. { TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 },
  2626. { TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 },
  2627. { TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 },
  2628. { TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 },
  2629. { TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 },
  2630. { TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 },
  2631. { TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 },
  2632. { TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 },
  2633. { TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 },
  2634. { TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 },
  2635. { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 },
  2636. { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 },
  2637. /* This MUST be the last entry. */
  2638. { TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 },
  2639. };
  2640. /**
  2641. * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs
  2642. *
  2643. * Program an initial clock rate and enable or disable clocks needed
  2644. * by the rest of the kernel, for Tegra210 SoCs. It is intended to be
  2645. * called by assigning a pointer to it to tegra_clk_apply_init_table -
  2646. * this will be called as an arch_initcall. No return value.
  2647. */
  2648. static void __init tegra210_clock_apply_init_table(void)
  2649. {
  2650. tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX);
  2651. }
  2652. /**
  2653. * tegra210_car_barrier - wait for pending writes to the CAR to complete
  2654. *
  2655. * Wait for any outstanding writes to the CAR MMIO space from this CPU
  2656. * to complete before continuing execution. No return value.
  2657. */
  2658. static void tegra210_car_barrier(void)
  2659. {
  2660. readl_relaxed(clk_base + RST_DFLL_DVCO);
  2661. }
  2662. /**
  2663. * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
  2664. *
  2665. * Assert the reset line of the DFLL's DVCO. No return value.
  2666. */
  2667. static void tegra210_clock_assert_dfll_dvco_reset(void)
  2668. {
  2669. u32 v;
  2670. v = readl_relaxed(clk_base + RST_DFLL_DVCO);
  2671. v |= (1 << DVFS_DFLL_RESET_SHIFT);
  2672. writel_relaxed(v, clk_base + RST_DFLL_DVCO);
  2673. tegra210_car_barrier();
  2674. }
  2675. /**
  2676. * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
  2677. *
  2678. * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
  2679. * operate. No return value.
  2680. */
  2681. static void tegra210_clock_deassert_dfll_dvco_reset(void)
  2682. {
  2683. u32 v;
  2684. v = readl_relaxed(clk_base + RST_DFLL_DVCO);
  2685. v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
  2686. writel_relaxed(v, clk_base + RST_DFLL_DVCO);
  2687. tegra210_car_barrier();
  2688. }
  2689. static int tegra210_reset_assert(unsigned long id)
  2690. {
  2691. if (id == TEGRA210_RST_DFLL_DVCO)
  2692. tegra210_clock_assert_dfll_dvco_reset();
  2693. else if (id == TEGRA210_RST_ADSP)
  2694. writel(GENMASK(26, 21) | BIT(7),
  2695. clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET);
  2696. else
  2697. return -EINVAL;
  2698. return 0;
  2699. }
  2700. static int tegra210_reset_deassert(unsigned long id)
  2701. {
  2702. if (id == TEGRA210_RST_DFLL_DVCO)
  2703. tegra210_clock_deassert_dfll_dvco_reset();
  2704. else if (id == TEGRA210_RST_ADSP) {
  2705. writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
  2706. /*
  2707. * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz)
  2708. * a delay of 5us ensures that it's at least
  2709. * 6 * adsp_cpu_cycle_period long.
  2710. */
  2711. udelay(5);
  2712. writel(GENMASK(26, 22) | BIT(7),
  2713. clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
  2714. } else
  2715. return -EINVAL;
  2716. return 0;
  2717. }
  2718. /**
  2719. * tegra210_clock_init - Tegra210-specific clock initialization
  2720. * @np: struct device_node * of the DT node for the SoC CAR IP block
  2721. *
  2722. * Register most SoC clocks for the Tegra210 system-on-chip. Intended
  2723. * to be called by the OF init code when a DT node with the
  2724. * "nvidia,tegra210-car" string is encountered, and declared with
  2725. * CLK_OF_DECLARE. No return value.
  2726. */
  2727. static void __init tegra210_clock_init(struct device_node *np)
  2728. {
  2729. struct device_node *node;
  2730. u32 value, clk_m_div;
  2731. clk_base = of_iomap(np, 0);
  2732. if (!clk_base) {
  2733. pr_err("ioremap tegra210 CAR failed\n");
  2734. return;
  2735. }
  2736. node = of_find_matching_node(NULL, pmc_match);
  2737. if (!node) {
  2738. pr_err("Failed to find pmc node\n");
  2739. WARN_ON(1);
  2740. return;
  2741. }
  2742. pmc_base = of_iomap(node, 0);
  2743. if (!pmc_base) {
  2744. pr_err("Can't map pmc registers\n");
  2745. WARN_ON(1);
  2746. return;
  2747. }
  2748. clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX,
  2749. TEGRA210_CAR_BANK_COUNT);
  2750. if (!clks)
  2751. return;
  2752. value = clk_readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT;
  2753. clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1;
  2754. if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq,
  2755. ARRAY_SIZE(tegra210_input_freq), clk_m_div,
  2756. &osc_freq, &pll_ref_freq) < 0)
  2757. return;
  2758. tegra_fixed_clk_init(tegra210_clks);
  2759. tegra210_pll_init(clk_base, pmc_base);
  2760. tegra210_periph_clk_init(clk_base, pmc_base);
  2761. tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks,
  2762. tegra210_audio_plls,
  2763. ARRAY_SIZE(tegra210_audio_plls));
  2764. tegra_pmc_clk_init(pmc_base, tegra210_clks);
  2765. /* For Tegra210, PLLD is the only source for DSIA & DSIB */
  2766. value = clk_readl(clk_base + PLLD_BASE);
  2767. value &= ~BIT(25);
  2768. clk_writel(value, clk_base + PLLD_BASE);
  2769. tegra_clk_apply_init_table = tegra210_clock_apply_init_table;
  2770. tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks,
  2771. &pll_x_params);
  2772. tegra_init_special_resets(2, tegra210_reset_assert,
  2773. tegra210_reset_deassert);
  2774. tegra_add_of_provider(np);
  2775. tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
  2776. tegra_cpu_car_ops = &tegra210_cpu_car_ops;
  2777. }
  2778. CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init);