clk-tegra114.c 52 KB

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  1. /*
  2. * Copyright (c) 2012, 2013, 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/tegra114-car.h>
  26. #include "clk.h"
  27. #include "clk-id.h"
  28. #define RST_DFLL_DVCO 0x2F4
  29. #define CPU_FINETRIM_SELECT 0x4d4 /* override default prop dlys */
  30. #define CPU_FINETRIM_DR 0x4d8 /* rise->rise prop dly A */
  31. #define CPU_FINETRIM_R 0x4e4 /* rise->rise prop dly inc A */
  32. /* RST_DFLL_DVCO bitfields */
  33. #define DVFS_DFLL_RESET_SHIFT 0
  34. /* CPU_FINETRIM_SELECT and CPU_FINETRIM_DR bitfields */
  35. #define CPU_FINETRIM_1_FCPU_1 BIT(0) /* fcpu0 */
  36. #define CPU_FINETRIM_1_FCPU_2 BIT(1) /* fcpu1 */
  37. #define CPU_FINETRIM_1_FCPU_3 BIT(2) /* fcpu2 */
  38. #define CPU_FINETRIM_1_FCPU_4 BIT(3) /* fcpu3 */
  39. #define CPU_FINETRIM_1_FCPU_5 BIT(4) /* fl2 */
  40. #define CPU_FINETRIM_1_FCPU_6 BIT(5) /* ftop */
  41. /* CPU_FINETRIM_R bitfields */
  42. #define CPU_FINETRIM_R_FCPU_1_SHIFT 0 /* fcpu0 */
  43. #define CPU_FINETRIM_R_FCPU_1_MASK (0x3 << CPU_FINETRIM_R_FCPU_1_SHIFT)
  44. #define CPU_FINETRIM_R_FCPU_2_SHIFT 2 /* fcpu1 */
  45. #define CPU_FINETRIM_R_FCPU_2_MASK (0x3 << CPU_FINETRIM_R_FCPU_2_SHIFT)
  46. #define CPU_FINETRIM_R_FCPU_3_SHIFT 4 /* fcpu2 */
  47. #define CPU_FINETRIM_R_FCPU_3_MASK (0x3 << CPU_FINETRIM_R_FCPU_3_SHIFT)
  48. #define CPU_FINETRIM_R_FCPU_4_SHIFT 6 /* fcpu3 */
  49. #define CPU_FINETRIM_R_FCPU_4_MASK (0x3 << CPU_FINETRIM_R_FCPU_4_SHIFT)
  50. #define CPU_FINETRIM_R_FCPU_5_SHIFT 8 /* fl2 */
  51. #define CPU_FINETRIM_R_FCPU_5_MASK (0x3 << CPU_FINETRIM_R_FCPU_5_SHIFT)
  52. #define CPU_FINETRIM_R_FCPU_6_SHIFT 10 /* ftop */
  53. #define CPU_FINETRIM_R_FCPU_6_MASK (0x3 << CPU_FINETRIM_R_FCPU_6_SHIFT)
  54. #define TEGRA114_CLK_PERIPH_BANKS 5
  55. #define PLLC_BASE 0x80
  56. #define PLLC_MISC2 0x88
  57. #define PLLC_MISC 0x8c
  58. #define PLLC2_BASE 0x4e8
  59. #define PLLC2_MISC 0x4ec
  60. #define PLLC3_BASE 0x4fc
  61. #define PLLC3_MISC 0x500
  62. #define PLLM_BASE 0x90
  63. #define PLLM_MISC 0x9c
  64. #define PLLP_BASE 0xa0
  65. #define PLLP_MISC 0xac
  66. #define PLLX_BASE 0xe0
  67. #define PLLX_MISC 0xe4
  68. #define PLLX_MISC2 0x514
  69. #define PLLX_MISC3 0x518
  70. #define PLLD_BASE 0xd0
  71. #define PLLD_MISC 0xdc
  72. #define PLLD2_BASE 0x4b8
  73. #define PLLD2_MISC 0x4bc
  74. #define PLLE_BASE 0xe8
  75. #define PLLE_MISC 0xec
  76. #define PLLA_BASE 0xb0
  77. #define PLLA_MISC 0xbc
  78. #define PLLU_BASE 0xc0
  79. #define PLLU_MISC 0xcc
  80. #define PLLRE_BASE 0x4c4
  81. #define PLLRE_MISC 0x4c8
  82. #define PLL_MISC_LOCK_ENABLE 18
  83. #define PLLC_MISC_LOCK_ENABLE 24
  84. #define PLLDU_MISC_LOCK_ENABLE 22
  85. #define PLLE_MISC_LOCK_ENABLE 9
  86. #define PLLRE_MISC_LOCK_ENABLE 30
  87. #define PLLC_IDDQ_BIT 26
  88. #define PLLX_IDDQ_BIT 3
  89. #define PLLRE_IDDQ_BIT 16
  90. #define PLL_BASE_LOCK BIT(27)
  91. #define PLLE_MISC_LOCK BIT(11)
  92. #define PLLRE_MISC_LOCK BIT(24)
  93. #define PLLCX_BASE_LOCK (BIT(26)|BIT(27))
  94. #define PLLE_AUX 0x48c
  95. #define PLLC_OUT 0x84
  96. #define PLLM_OUT 0x94
  97. #define OSC_CTRL 0x50
  98. #define OSC_CTRL_OSC_FREQ_SHIFT 28
  99. #define OSC_CTRL_PLL_REF_DIV_SHIFT 26
  100. #define PLLXC_SW_MAX_P 6
  101. #define CCLKG_BURST_POLICY 0x368
  102. #define UTMIP_PLL_CFG2 0x488
  103. #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xffff) << 6)
  104. #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
  105. #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
  106. #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
  107. #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
  108. #define UTMIP_PLL_CFG1 0x484
  109. #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 6)
  110. #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
  111. #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
  112. #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
  113. #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
  114. #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
  115. #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
  116. #define UTMIPLL_HW_PWRDN_CFG0 0x52c
  117. #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25)
  118. #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
  119. #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
  120. #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5)
  121. #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4)
  122. #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
  123. #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1)
  124. #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0)
  125. #define CLK_SOURCE_CSITE 0x1d4
  126. #define CLK_SOURCE_XUSB_SS_SRC 0x610
  127. #define CLK_SOURCE_EMC 0x19c
  128. /* PLLM override registers */
  129. #define PMC_PLLM_WB0_OVERRIDE 0x1dc
  130. #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
  131. /* Tegra CPU clock and reset control regs */
  132. #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
  133. #ifdef CONFIG_PM_SLEEP
  134. static struct cpu_clk_suspend_context {
  135. u32 clk_csite_src;
  136. u32 cclkg_burst;
  137. u32 cclkg_divider;
  138. } tegra114_cpu_clk_sctx;
  139. #endif
  140. static void __iomem *clk_base;
  141. static void __iomem *pmc_base;
  142. static DEFINE_SPINLOCK(pll_d_lock);
  143. static DEFINE_SPINLOCK(pll_d2_lock);
  144. static DEFINE_SPINLOCK(pll_u_lock);
  145. static DEFINE_SPINLOCK(pll_re_lock);
  146. static struct div_nmp pllxc_nmp = {
  147. .divm_shift = 0,
  148. .divm_width = 8,
  149. .divn_shift = 8,
  150. .divn_width = 8,
  151. .divp_shift = 20,
  152. .divp_width = 4,
  153. };
  154. static struct pdiv_map pllxc_p[] = {
  155. { .pdiv = 1, .hw_val = 0 },
  156. { .pdiv = 2, .hw_val = 1 },
  157. { .pdiv = 3, .hw_val = 2 },
  158. { .pdiv = 4, .hw_val = 3 },
  159. { .pdiv = 5, .hw_val = 4 },
  160. { .pdiv = 6, .hw_val = 5 },
  161. { .pdiv = 8, .hw_val = 6 },
  162. { .pdiv = 10, .hw_val = 7 },
  163. { .pdiv = 12, .hw_val = 8 },
  164. { .pdiv = 16, .hw_val = 9 },
  165. { .pdiv = 12, .hw_val = 10 },
  166. { .pdiv = 16, .hw_val = 11 },
  167. { .pdiv = 20, .hw_val = 12 },
  168. { .pdiv = 24, .hw_val = 13 },
  169. { .pdiv = 32, .hw_val = 14 },
  170. { .pdiv = 0, .hw_val = 0 },
  171. };
  172. static struct tegra_clk_pll_freq_table pll_c_freq_table[] = {
  173. { 12000000, 624000000, 104, 0, 2},
  174. { 12000000, 600000000, 100, 0, 2},
  175. { 13000000, 600000000, 92, 0, 2}, /* actual: 598.0 MHz */
  176. { 16800000, 600000000, 71, 0, 2}, /* actual: 596.4 MHz */
  177. { 19200000, 600000000, 62, 0, 2}, /* actual: 595.2 MHz */
  178. { 26000000, 600000000, 92, 1, 2}, /* actual: 598.0 MHz */
  179. { 0, 0, 0, 0, 0, 0 },
  180. };
  181. static struct tegra_clk_pll_params pll_c_params = {
  182. .input_min = 12000000,
  183. .input_max = 800000000,
  184. .cf_min = 12000000,
  185. .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
  186. .vco_min = 600000000,
  187. .vco_max = 1400000000,
  188. .base_reg = PLLC_BASE,
  189. .misc_reg = PLLC_MISC,
  190. .lock_mask = PLL_BASE_LOCK,
  191. .lock_enable_bit_idx = PLLC_MISC_LOCK_ENABLE,
  192. .lock_delay = 300,
  193. .iddq_reg = PLLC_MISC,
  194. .iddq_bit_idx = PLLC_IDDQ_BIT,
  195. .max_p = PLLXC_SW_MAX_P,
  196. .dyn_ramp_reg = PLLC_MISC2,
  197. .stepa_shift = 17,
  198. .stepb_shift = 9,
  199. .pdiv_tohw = pllxc_p,
  200. .div_nmp = &pllxc_nmp,
  201. .freq_table = pll_c_freq_table,
  202. .flags = TEGRA_PLL_USE_LOCK,
  203. };
  204. static struct div_nmp pllcx_nmp = {
  205. .divm_shift = 0,
  206. .divm_width = 2,
  207. .divn_shift = 8,
  208. .divn_width = 8,
  209. .divp_shift = 20,
  210. .divp_width = 3,
  211. };
  212. static struct pdiv_map pllc_p[] = {
  213. { .pdiv = 1, .hw_val = 0 },
  214. { .pdiv = 2, .hw_val = 1 },
  215. { .pdiv = 4, .hw_val = 3 },
  216. { .pdiv = 8, .hw_val = 5 },
  217. { .pdiv = 16, .hw_val = 7 },
  218. { .pdiv = 0, .hw_val = 0 },
  219. };
  220. static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
  221. {12000000, 600000000, 100, 0, 2},
  222. {13000000, 600000000, 92, 0, 2}, /* actual: 598.0 MHz */
  223. {16800000, 600000000, 71, 0, 2}, /* actual: 596.4 MHz */
  224. {19200000, 600000000, 62, 0, 2}, /* actual: 595.2 MHz */
  225. {26000000, 600000000, 92, 1, 2}, /* actual: 598.0 MHz */
  226. {0, 0, 0, 0, 0, 0},
  227. };
  228. static struct tegra_clk_pll_params pll_c2_params = {
  229. .input_min = 12000000,
  230. .input_max = 48000000,
  231. .cf_min = 12000000,
  232. .cf_max = 19200000,
  233. .vco_min = 600000000,
  234. .vco_max = 1200000000,
  235. .base_reg = PLLC2_BASE,
  236. .misc_reg = PLLC2_MISC,
  237. .lock_mask = PLL_BASE_LOCK,
  238. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  239. .lock_delay = 300,
  240. .pdiv_tohw = pllc_p,
  241. .div_nmp = &pllcx_nmp,
  242. .max_p = 7,
  243. .ext_misc_reg[0] = 0x4f0,
  244. .ext_misc_reg[1] = 0x4f4,
  245. .ext_misc_reg[2] = 0x4f8,
  246. .freq_table = pll_cx_freq_table,
  247. .flags = TEGRA_PLL_USE_LOCK,
  248. };
  249. static struct tegra_clk_pll_params pll_c3_params = {
  250. .input_min = 12000000,
  251. .input_max = 48000000,
  252. .cf_min = 12000000,
  253. .cf_max = 19200000,
  254. .vco_min = 600000000,
  255. .vco_max = 1200000000,
  256. .base_reg = PLLC3_BASE,
  257. .misc_reg = PLLC3_MISC,
  258. .lock_mask = PLL_BASE_LOCK,
  259. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  260. .lock_delay = 300,
  261. .pdiv_tohw = pllc_p,
  262. .div_nmp = &pllcx_nmp,
  263. .max_p = 7,
  264. .ext_misc_reg[0] = 0x504,
  265. .ext_misc_reg[1] = 0x508,
  266. .ext_misc_reg[2] = 0x50c,
  267. .freq_table = pll_cx_freq_table,
  268. .flags = TEGRA_PLL_USE_LOCK,
  269. };
  270. static struct div_nmp pllm_nmp = {
  271. .divm_shift = 0,
  272. .divm_width = 8,
  273. .override_divm_shift = 0,
  274. .divn_shift = 8,
  275. .divn_width = 8,
  276. .override_divn_shift = 8,
  277. .divp_shift = 20,
  278. .divp_width = 1,
  279. .override_divp_shift = 27,
  280. };
  281. static struct pdiv_map pllm_p[] = {
  282. { .pdiv = 1, .hw_val = 0 },
  283. { .pdiv = 2, .hw_val = 1 },
  284. { .pdiv = 0, .hw_val = 0 },
  285. };
  286. static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
  287. {12000000, 800000000, 66, 0, 1}, /* actual: 792.0 MHz */
  288. {13000000, 800000000, 61, 0, 1}, /* actual: 793.0 MHz */
  289. {16800000, 800000000, 47, 0, 1}, /* actual: 789.6 MHz */
  290. {19200000, 800000000, 41, 0, 1}, /* actual: 787.2 MHz */
  291. {26000000, 800000000, 61, 1, 1}, /* actual: 793.0 MHz */
  292. {0, 0, 0, 0, 0, 0},
  293. };
  294. static struct tegra_clk_pll_params pll_m_params = {
  295. .input_min = 12000000,
  296. .input_max = 500000000,
  297. .cf_min = 12000000,
  298. .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
  299. .vco_min = 400000000,
  300. .vco_max = 1066000000,
  301. .base_reg = PLLM_BASE,
  302. .misc_reg = PLLM_MISC,
  303. .lock_mask = PLL_BASE_LOCK,
  304. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  305. .lock_delay = 300,
  306. .max_p = 2,
  307. .pdiv_tohw = pllm_p,
  308. .div_nmp = &pllm_nmp,
  309. .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
  310. .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
  311. .freq_table = pll_m_freq_table,
  312. .flags = TEGRA_PLL_USE_LOCK,
  313. };
  314. static struct div_nmp pllp_nmp = {
  315. .divm_shift = 0,
  316. .divm_width = 5,
  317. .divn_shift = 8,
  318. .divn_width = 10,
  319. .divp_shift = 20,
  320. .divp_width = 3,
  321. };
  322. static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
  323. {12000000, 216000000, 432, 12, 1, 8},
  324. {13000000, 216000000, 432, 13, 1, 8},
  325. {16800000, 216000000, 360, 14, 1, 8},
  326. {19200000, 216000000, 360, 16, 1, 8},
  327. {26000000, 216000000, 432, 26, 1, 8},
  328. {0, 0, 0, 0, 0, 0},
  329. };
  330. static struct tegra_clk_pll_params pll_p_params = {
  331. .input_min = 2000000,
  332. .input_max = 31000000,
  333. .cf_min = 1000000,
  334. .cf_max = 6000000,
  335. .vco_min = 200000000,
  336. .vco_max = 700000000,
  337. .base_reg = PLLP_BASE,
  338. .misc_reg = PLLP_MISC,
  339. .lock_mask = PLL_BASE_LOCK,
  340. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  341. .lock_delay = 300,
  342. .div_nmp = &pllp_nmp,
  343. .freq_table = pll_p_freq_table,
  344. .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK,
  345. .fixed_rate = 408000000,
  346. };
  347. static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
  348. {9600000, 282240000, 147, 5, 0, 4},
  349. {9600000, 368640000, 192, 5, 0, 4},
  350. {9600000, 240000000, 200, 8, 0, 8},
  351. {28800000, 282240000, 245, 25, 0, 8},
  352. {28800000, 368640000, 320, 25, 0, 8},
  353. {28800000, 240000000, 200, 24, 0, 8},
  354. {0, 0, 0, 0, 0, 0},
  355. };
  356. static struct tegra_clk_pll_params pll_a_params = {
  357. .input_min = 2000000,
  358. .input_max = 31000000,
  359. .cf_min = 1000000,
  360. .cf_max = 6000000,
  361. .vco_min = 200000000,
  362. .vco_max = 700000000,
  363. .base_reg = PLLA_BASE,
  364. .misc_reg = PLLA_MISC,
  365. .lock_mask = PLL_BASE_LOCK,
  366. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  367. .lock_delay = 300,
  368. .div_nmp = &pllp_nmp,
  369. .freq_table = pll_a_freq_table,
  370. .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK,
  371. };
  372. static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
  373. {12000000, 216000000, 864, 12, 2, 12},
  374. {13000000, 216000000, 864, 13, 2, 12},
  375. {16800000, 216000000, 720, 14, 2, 12},
  376. {19200000, 216000000, 720, 16, 2, 12},
  377. {26000000, 216000000, 864, 26, 2, 12},
  378. {12000000, 594000000, 594, 12, 0, 12},
  379. {13000000, 594000000, 594, 13, 0, 12},
  380. {16800000, 594000000, 495, 14, 0, 12},
  381. {19200000, 594000000, 495, 16, 0, 12},
  382. {26000000, 594000000, 594, 26, 0, 12},
  383. {12000000, 1000000000, 1000, 12, 0, 12},
  384. {13000000, 1000000000, 1000, 13, 0, 12},
  385. {19200000, 1000000000, 625, 12, 0, 12},
  386. {26000000, 1000000000, 1000, 26, 0, 12},
  387. {0, 0, 0, 0, 0, 0},
  388. };
  389. static struct tegra_clk_pll_params pll_d_params = {
  390. .input_min = 2000000,
  391. .input_max = 40000000,
  392. .cf_min = 1000000,
  393. .cf_max = 6000000,
  394. .vco_min = 500000000,
  395. .vco_max = 1000000000,
  396. .base_reg = PLLD_BASE,
  397. .misc_reg = PLLD_MISC,
  398. .lock_mask = PLL_BASE_LOCK,
  399. .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
  400. .lock_delay = 1000,
  401. .div_nmp = &pllp_nmp,
  402. .freq_table = pll_d_freq_table,
  403. .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
  404. TEGRA_PLL_USE_LOCK,
  405. };
  406. static struct tegra_clk_pll_params pll_d2_params = {
  407. .input_min = 2000000,
  408. .input_max = 40000000,
  409. .cf_min = 1000000,
  410. .cf_max = 6000000,
  411. .vco_min = 500000000,
  412. .vco_max = 1000000000,
  413. .base_reg = PLLD2_BASE,
  414. .misc_reg = PLLD2_MISC,
  415. .lock_mask = PLL_BASE_LOCK,
  416. .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
  417. .lock_delay = 1000,
  418. .div_nmp = &pllp_nmp,
  419. .freq_table = pll_d_freq_table,
  420. .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
  421. TEGRA_PLL_USE_LOCK,
  422. };
  423. static struct pdiv_map pllu_p[] = {
  424. { .pdiv = 1, .hw_val = 1 },
  425. { .pdiv = 2, .hw_val = 0 },
  426. { .pdiv = 0, .hw_val = 0 },
  427. };
  428. static struct div_nmp pllu_nmp = {
  429. .divm_shift = 0,
  430. .divm_width = 5,
  431. .divn_shift = 8,
  432. .divn_width = 10,
  433. .divp_shift = 20,
  434. .divp_width = 1,
  435. };
  436. static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
  437. {12000000, 480000000, 960, 12, 0, 12},
  438. {13000000, 480000000, 960, 13, 0, 12},
  439. {16800000, 480000000, 400, 7, 0, 5},
  440. {19200000, 480000000, 200, 4, 0, 3},
  441. {26000000, 480000000, 960, 26, 0, 12},
  442. {0, 0, 0, 0, 0, 0},
  443. };
  444. static struct tegra_clk_pll_params pll_u_params = {
  445. .input_min = 2000000,
  446. .input_max = 40000000,
  447. .cf_min = 1000000,
  448. .cf_max = 6000000,
  449. .vco_min = 480000000,
  450. .vco_max = 960000000,
  451. .base_reg = PLLU_BASE,
  452. .misc_reg = PLLU_MISC,
  453. .lock_mask = PLL_BASE_LOCK,
  454. .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
  455. .lock_delay = 1000,
  456. .pdiv_tohw = pllu_p,
  457. .div_nmp = &pllu_nmp,
  458. .freq_table = pll_u_freq_table,
  459. .flags = TEGRA_PLLU | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
  460. TEGRA_PLL_USE_LOCK,
  461. };
  462. static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
  463. /* 1 GHz */
  464. {12000000, 1000000000, 83, 0, 1}, /* actual: 996.0 MHz */
  465. {13000000, 1000000000, 76, 0, 1}, /* actual: 988.0 MHz */
  466. {16800000, 1000000000, 59, 0, 1}, /* actual: 991.2 MHz */
  467. {19200000, 1000000000, 52, 0, 1}, /* actual: 998.4 MHz */
  468. {26000000, 1000000000, 76, 1, 1}, /* actual: 988.0 MHz */
  469. {0, 0, 0, 0, 0, 0},
  470. };
  471. static struct tegra_clk_pll_params pll_x_params = {
  472. .input_min = 12000000,
  473. .input_max = 800000000,
  474. .cf_min = 12000000,
  475. .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
  476. .vco_min = 700000000,
  477. .vco_max = 2400000000U,
  478. .base_reg = PLLX_BASE,
  479. .misc_reg = PLLX_MISC,
  480. .lock_mask = PLL_BASE_LOCK,
  481. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  482. .lock_delay = 300,
  483. .iddq_reg = PLLX_MISC3,
  484. .iddq_bit_idx = PLLX_IDDQ_BIT,
  485. .max_p = PLLXC_SW_MAX_P,
  486. .dyn_ramp_reg = PLLX_MISC2,
  487. .stepa_shift = 16,
  488. .stepb_shift = 24,
  489. .pdiv_tohw = pllxc_p,
  490. .div_nmp = &pllxc_nmp,
  491. .freq_table = pll_x_freq_table,
  492. .flags = TEGRA_PLL_USE_LOCK,
  493. };
  494. static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
  495. /* PLLE special case: use cpcon field to store cml divider value */
  496. {336000000, 100000000, 100, 21, 16, 11},
  497. {312000000, 100000000, 200, 26, 24, 13},
  498. {12000000, 100000000, 200, 1, 24, 13},
  499. {0, 0, 0, 0, 0, 0},
  500. };
  501. static struct div_nmp plle_nmp = {
  502. .divm_shift = 0,
  503. .divm_width = 8,
  504. .divn_shift = 8,
  505. .divn_width = 8,
  506. .divp_shift = 24,
  507. .divp_width = 4,
  508. };
  509. static struct tegra_clk_pll_params pll_e_params = {
  510. .input_min = 12000000,
  511. .input_max = 1000000000,
  512. .cf_min = 12000000,
  513. .cf_max = 75000000,
  514. .vco_min = 1600000000,
  515. .vco_max = 2400000000U,
  516. .base_reg = PLLE_BASE,
  517. .misc_reg = PLLE_MISC,
  518. .aux_reg = PLLE_AUX,
  519. .lock_mask = PLLE_MISC_LOCK,
  520. .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
  521. .lock_delay = 300,
  522. .div_nmp = &plle_nmp,
  523. .freq_table = pll_e_freq_table,
  524. .flags = TEGRA_PLL_FIXED,
  525. .fixed_rate = 100000000,
  526. };
  527. static struct div_nmp pllre_nmp = {
  528. .divm_shift = 0,
  529. .divm_width = 8,
  530. .divn_shift = 8,
  531. .divn_width = 8,
  532. .divp_shift = 16,
  533. .divp_width = 4,
  534. };
  535. static struct tegra_clk_pll_params pll_re_vco_params = {
  536. .input_min = 12000000,
  537. .input_max = 1000000000,
  538. .cf_min = 12000000,
  539. .cf_max = 19200000, /* s/w policy, h/w capability 38 MHz */
  540. .vco_min = 300000000,
  541. .vco_max = 600000000,
  542. .base_reg = PLLRE_BASE,
  543. .misc_reg = PLLRE_MISC,
  544. .lock_mask = PLLRE_MISC_LOCK,
  545. .lock_enable_bit_idx = PLLRE_MISC_LOCK_ENABLE,
  546. .lock_delay = 300,
  547. .iddq_reg = PLLRE_MISC,
  548. .iddq_bit_idx = PLLRE_IDDQ_BIT,
  549. .div_nmp = &pllre_nmp,
  550. .flags = TEGRA_PLL_USE_LOCK,
  551. };
  552. /* possible OSC frequencies in Hz */
  553. static unsigned long tegra114_input_freq[] = {
  554. [0] = 13000000,
  555. [1] = 16800000,
  556. [4] = 19200000,
  557. [5] = 38400000,
  558. [8] = 12000000,
  559. [9] = 48000000,
  560. [12] = 260000000,
  561. };
  562. #define MASK(x) (BIT(x) - 1)
  563. struct utmi_clk_param {
  564. /* Oscillator Frequency in KHz */
  565. u32 osc_frequency;
  566. /* UTMIP PLL Enable Delay Count */
  567. u8 enable_delay_count;
  568. /* UTMIP PLL Stable count */
  569. u8 stable_count;
  570. /* UTMIP PLL Active delay count */
  571. u8 active_delay_count;
  572. /* UTMIP PLL Xtal frequency count */
  573. u8 xtal_freq_count;
  574. };
  575. static const struct utmi_clk_param utmi_parameters[] = {
  576. {.osc_frequency = 13000000, .enable_delay_count = 0x02,
  577. .stable_count = 0x33, .active_delay_count = 0x05,
  578. .xtal_freq_count = 0x7F},
  579. {.osc_frequency = 19200000, .enable_delay_count = 0x03,
  580. .stable_count = 0x4B, .active_delay_count = 0x06,
  581. .xtal_freq_count = 0xBB},
  582. {.osc_frequency = 12000000, .enable_delay_count = 0x02,
  583. .stable_count = 0x2F, .active_delay_count = 0x04,
  584. .xtal_freq_count = 0x76},
  585. {.osc_frequency = 26000000, .enable_delay_count = 0x04,
  586. .stable_count = 0x66, .active_delay_count = 0x09,
  587. .xtal_freq_count = 0xFE},
  588. {.osc_frequency = 16800000, .enable_delay_count = 0x03,
  589. .stable_count = 0x41, .active_delay_count = 0x0A,
  590. .xtal_freq_count = 0xA4},
  591. };
  592. /* peripheral mux definitions */
  593. static const char *mux_plld_out0_plld2_out0[] = {
  594. "pll_d_out0", "pll_d2_out0",
  595. };
  596. #define mux_plld_out0_plld2_out0_idx NULL
  597. static const char *mux_pllmcp_clkm[] = {
  598. "pll_m_out0", "pll_c_out0", "pll_p_out0", "clk_m", "pll_m_ud",
  599. };
  600. static const struct clk_div_table pll_re_div_table[] = {
  601. { .val = 0, .div = 1 },
  602. { .val = 1, .div = 2 },
  603. { .val = 2, .div = 3 },
  604. { .val = 3, .div = 4 },
  605. { .val = 4, .div = 5 },
  606. { .val = 5, .div = 6 },
  607. { .val = 0, .div = 0 },
  608. };
  609. static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = {
  610. [tegra_clk_rtc] = { .dt_id = TEGRA114_CLK_RTC, .present = true },
  611. [tegra_clk_timer] = { .dt_id = TEGRA114_CLK_TIMER, .present = true },
  612. [tegra_clk_uarta] = { .dt_id = TEGRA114_CLK_UARTA, .present = true },
  613. [tegra_clk_uartd] = { .dt_id = TEGRA114_CLK_UARTD, .present = true },
  614. [tegra_clk_sdmmc2] = { .dt_id = TEGRA114_CLK_SDMMC2, .present = true },
  615. [tegra_clk_i2s1] = { .dt_id = TEGRA114_CLK_I2S1, .present = true },
  616. [tegra_clk_i2c1] = { .dt_id = TEGRA114_CLK_I2C1, .present = true },
  617. [tegra_clk_ndflash] = { .dt_id = TEGRA114_CLK_NDFLASH, .present = true },
  618. [tegra_clk_sdmmc1] = { .dt_id = TEGRA114_CLK_SDMMC1, .present = true },
  619. [tegra_clk_sdmmc4] = { .dt_id = TEGRA114_CLK_SDMMC4, .present = true },
  620. [tegra_clk_pwm] = { .dt_id = TEGRA114_CLK_PWM, .present = true },
  621. [tegra_clk_i2s0] = { .dt_id = TEGRA114_CLK_I2S0, .present = true },
  622. [tegra_clk_i2s2] = { .dt_id = TEGRA114_CLK_I2S2, .present = true },
  623. [tegra_clk_epp_8] = { .dt_id = TEGRA114_CLK_EPP, .present = true },
  624. [tegra_clk_gr2d_8] = { .dt_id = TEGRA114_CLK_GR2D, .present = true },
  625. [tegra_clk_usbd] = { .dt_id = TEGRA114_CLK_USBD, .present = true },
  626. [tegra_clk_isp] = { .dt_id = TEGRA114_CLK_ISP, .present = true },
  627. [tegra_clk_gr3d_8] = { .dt_id = TEGRA114_CLK_GR3D, .present = true },
  628. [tegra_clk_disp2] = { .dt_id = TEGRA114_CLK_DISP2, .present = true },
  629. [tegra_clk_disp1] = { .dt_id = TEGRA114_CLK_DISP1, .present = true },
  630. [tegra_clk_host1x_8] = { .dt_id = TEGRA114_CLK_HOST1X, .present = true },
  631. [tegra_clk_vcp] = { .dt_id = TEGRA114_CLK_VCP, .present = true },
  632. [tegra_clk_apbdma] = { .dt_id = TEGRA114_CLK_APBDMA, .present = true },
  633. [tegra_clk_kbc] = { .dt_id = TEGRA114_CLK_KBC, .present = true },
  634. [tegra_clk_kfuse] = { .dt_id = TEGRA114_CLK_KFUSE, .present = true },
  635. [tegra_clk_sbc1_8] = { .dt_id = TEGRA114_CLK_SBC1, .present = true },
  636. [tegra_clk_nor] = { .dt_id = TEGRA114_CLK_NOR, .present = true },
  637. [tegra_clk_sbc2_8] = { .dt_id = TEGRA114_CLK_SBC2, .present = true },
  638. [tegra_clk_sbc3_8] = { .dt_id = TEGRA114_CLK_SBC3, .present = true },
  639. [tegra_clk_i2c5] = { .dt_id = TEGRA114_CLK_I2C5, .present = true },
  640. [tegra_clk_dsia] = { .dt_id = TEGRA114_CLK_DSIA, .present = true },
  641. [tegra_clk_mipi] = { .dt_id = TEGRA114_CLK_MIPI, .present = true },
  642. [tegra_clk_hdmi] = { .dt_id = TEGRA114_CLK_HDMI, .present = true },
  643. [tegra_clk_csi] = { .dt_id = TEGRA114_CLK_CSI, .present = true },
  644. [tegra_clk_i2c2] = { .dt_id = TEGRA114_CLK_I2C2, .present = true },
  645. [tegra_clk_uartc] = { .dt_id = TEGRA114_CLK_UARTC, .present = true },
  646. [tegra_clk_mipi_cal] = { .dt_id = TEGRA114_CLK_MIPI_CAL, .present = true },
  647. [tegra_clk_emc] = { .dt_id = TEGRA114_CLK_EMC, .present = true },
  648. [tegra_clk_usb2] = { .dt_id = TEGRA114_CLK_USB2, .present = true },
  649. [tegra_clk_usb3] = { .dt_id = TEGRA114_CLK_USB3, .present = true },
  650. [tegra_clk_vde_8] = { .dt_id = TEGRA114_CLK_VDE, .present = true },
  651. [tegra_clk_bsea] = { .dt_id = TEGRA114_CLK_BSEA, .present = true },
  652. [tegra_clk_bsev] = { .dt_id = TEGRA114_CLK_BSEV, .present = true },
  653. [tegra_clk_i2c3] = { .dt_id = TEGRA114_CLK_I2C3, .present = true },
  654. [tegra_clk_sbc4_8] = { .dt_id = TEGRA114_CLK_SBC4, .present = true },
  655. [tegra_clk_sdmmc3] = { .dt_id = TEGRA114_CLK_SDMMC3, .present = true },
  656. [tegra_clk_owr] = { .dt_id = TEGRA114_CLK_OWR, .present = true },
  657. [tegra_clk_csite] = { .dt_id = TEGRA114_CLK_CSITE, .present = true },
  658. [tegra_clk_la] = { .dt_id = TEGRA114_CLK_LA, .present = true },
  659. [tegra_clk_trace] = { .dt_id = TEGRA114_CLK_TRACE, .present = true },
  660. [tegra_clk_soc_therm] = { .dt_id = TEGRA114_CLK_SOC_THERM, .present = true },
  661. [tegra_clk_dtv] = { .dt_id = TEGRA114_CLK_DTV, .present = true },
  662. [tegra_clk_ndspeed] = { .dt_id = TEGRA114_CLK_NDSPEED, .present = true },
  663. [tegra_clk_i2cslow] = { .dt_id = TEGRA114_CLK_I2CSLOW, .present = true },
  664. [tegra_clk_dsib] = { .dt_id = TEGRA114_CLK_DSIB, .present = true },
  665. [tegra_clk_tsec] = { .dt_id = TEGRA114_CLK_TSEC, .present = true },
  666. [tegra_clk_xusb_host] = { .dt_id = TEGRA114_CLK_XUSB_HOST, .present = true },
  667. [tegra_clk_msenc] = { .dt_id = TEGRA114_CLK_MSENC, .present = true },
  668. [tegra_clk_csus] = { .dt_id = TEGRA114_CLK_CSUS, .present = true },
  669. [tegra_clk_mselect] = { .dt_id = TEGRA114_CLK_MSELECT, .present = true },
  670. [tegra_clk_tsensor] = { .dt_id = TEGRA114_CLK_TSENSOR, .present = true },
  671. [tegra_clk_i2s3] = { .dt_id = TEGRA114_CLK_I2S3, .present = true },
  672. [tegra_clk_i2s4] = { .dt_id = TEGRA114_CLK_I2S4, .present = true },
  673. [tegra_clk_i2c4] = { .dt_id = TEGRA114_CLK_I2C4, .present = true },
  674. [tegra_clk_sbc5_8] = { .dt_id = TEGRA114_CLK_SBC5, .present = true },
  675. [tegra_clk_sbc6_8] = { .dt_id = TEGRA114_CLK_SBC6, .present = true },
  676. [tegra_clk_d_audio] = { .dt_id = TEGRA114_CLK_D_AUDIO, .present = true },
  677. [tegra_clk_apbif] = { .dt_id = TEGRA114_CLK_APBIF, .present = true },
  678. [tegra_clk_dam0] = { .dt_id = TEGRA114_CLK_DAM0, .present = true },
  679. [tegra_clk_dam1] = { .dt_id = TEGRA114_CLK_DAM1, .present = true },
  680. [tegra_clk_dam2] = { .dt_id = TEGRA114_CLK_DAM2, .present = true },
  681. [tegra_clk_hda2codec_2x] = { .dt_id = TEGRA114_CLK_HDA2CODEC_2X, .present = true },
  682. [tegra_clk_audio0_2x] = { .dt_id = TEGRA114_CLK_AUDIO0_2X, .present = true },
  683. [tegra_clk_audio1_2x] = { .dt_id = TEGRA114_CLK_AUDIO1_2X, .present = true },
  684. [tegra_clk_audio2_2x] = { .dt_id = TEGRA114_CLK_AUDIO2_2X, .present = true },
  685. [tegra_clk_audio3_2x] = { .dt_id = TEGRA114_CLK_AUDIO3_2X, .present = true },
  686. [tegra_clk_audio4_2x] = { .dt_id = TEGRA114_CLK_AUDIO4_2X, .present = true },
  687. [tegra_clk_spdif_2x] = { .dt_id = TEGRA114_CLK_SPDIF_2X, .present = true },
  688. [tegra_clk_actmon] = { .dt_id = TEGRA114_CLK_ACTMON, .present = true },
  689. [tegra_clk_extern1] = { .dt_id = TEGRA114_CLK_EXTERN1, .present = true },
  690. [tegra_clk_extern2] = { .dt_id = TEGRA114_CLK_EXTERN2, .present = true },
  691. [tegra_clk_extern3] = { .dt_id = TEGRA114_CLK_EXTERN3, .present = true },
  692. [tegra_clk_hda] = { .dt_id = TEGRA114_CLK_HDA, .present = true },
  693. [tegra_clk_se] = { .dt_id = TEGRA114_CLK_SE, .present = true },
  694. [tegra_clk_hda2hdmi] = { .dt_id = TEGRA114_CLK_HDA2HDMI, .present = true },
  695. [tegra_clk_cilab] = { .dt_id = TEGRA114_CLK_CILAB, .present = true },
  696. [tegra_clk_cilcd] = { .dt_id = TEGRA114_CLK_CILCD, .present = true },
  697. [tegra_clk_cile] = { .dt_id = TEGRA114_CLK_CILE, .present = true },
  698. [tegra_clk_dsialp] = { .dt_id = TEGRA114_CLK_DSIALP, .present = true },
  699. [tegra_clk_dsiblp] = { .dt_id = TEGRA114_CLK_DSIBLP, .present = true },
  700. [tegra_clk_dds] = { .dt_id = TEGRA114_CLK_DDS, .present = true },
  701. [tegra_clk_dp2] = { .dt_id = TEGRA114_CLK_DP2, .present = true },
  702. [tegra_clk_amx] = { .dt_id = TEGRA114_CLK_AMX, .present = true },
  703. [tegra_clk_adx] = { .dt_id = TEGRA114_CLK_ADX, .present = true },
  704. [tegra_clk_xusb_ss] = { .dt_id = TEGRA114_CLK_XUSB_SS, .present = true },
  705. [tegra_clk_uartb] = { .dt_id = TEGRA114_CLK_UARTB, .present = true },
  706. [tegra_clk_vfir] = { .dt_id = TEGRA114_CLK_VFIR, .present = true },
  707. [tegra_clk_spdif_in] = { .dt_id = TEGRA114_CLK_SPDIF_IN, .present = true },
  708. [tegra_clk_spdif_out] = { .dt_id = TEGRA114_CLK_SPDIF_OUT, .present = true },
  709. [tegra_clk_vi_8] = { .dt_id = TEGRA114_CLK_VI, .present = true },
  710. [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA114_CLK_VI_SENSOR, .present = true },
  711. [tegra_clk_fuse] = { .dt_id = TEGRA114_CLK_FUSE, .present = true },
  712. [tegra_clk_fuse_burn] = { .dt_id = TEGRA114_CLK_FUSE_BURN, .present = true },
  713. [tegra_clk_clk_32k] = { .dt_id = TEGRA114_CLK_CLK_32K, .present = true },
  714. [tegra_clk_clk_m] = { .dt_id = TEGRA114_CLK_CLK_M, .present = true },
  715. [tegra_clk_clk_m_div2] = { .dt_id = TEGRA114_CLK_CLK_M_DIV2, .present = true },
  716. [tegra_clk_clk_m_div4] = { .dt_id = TEGRA114_CLK_CLK_M_DIV4, .present = true },
  717. [tegra_clk_pll_ref] = { .dt_id = TEGRA114_CLK_PLL_REF, .present = true },
  718. [tegra_clk_pll_c] = { .dt_id = TEGRA114_CLK_PLL_C, .present = true },
  719. [tegra_clk_pll_c_out1] = { .dt_id = TEGRA114_CLK_PLL_C_OUT1, .present = true },
  720. [tegra_clk_pll_c2] = { .dt_id = TEGRA114_CLK_PLL_C2, .present = true },
  721. [tegra_clk_pll_c3] = { .dt_id = TEGRA114_CLK_PLL_C3, .present = true },
  722. [tegra_clk_pll_m] = { .dt_id = TEGRA114_CLK_PLL_M, .present = true },
  723. [tegra_clk_pll_m_out1] = { .dt_id = TEGRA114_CLK_PLL_M_OUT1, .present = true },
  724. [tegra_clk_pll_p] = { .dt_id = TEGRA114_CLK_PLL_P, .present = true },
  725. [tegra_clk_pll_p_out1] = { .dt_id = TEGRA114_CLK_PLL_P_OUT1, .present = true },
  726. [tegra_clk_pll_p_out2_int] = { .dt_id = TEGRA114_CLK_PLL_P_OUT2, .present = true },
  727. [tegra_clk_pll_p_out3] = { .dt_id = TEGRA114_CLK_PLL_P_OUT3, .present = true },
  728. [tegra_clk_pll_p_out4] = { .dt_id = TEGRA114_CLK_PLL_P_OUT4, .present = true },
  729. [tegra_clk_pll_a] = { .dt_id = TEGRA114_CLK_PLL_A, .present = true },
  730. [tegra_clk_pll_a_out0] = { .dt_id = TEGRA114_CLK_PLL_A_OUT0, .present = true },
  731. [tegra_clk_pll_d] = { .dt_id = TEGRA114_CLK_PLL_D, .present = true },
  732. [tegra_clk_pll_d_out0] = { .dt_id = TEGRA114_CLK_PLL_D_OUT0, .present = true },
  733. [tegra_clk_pll_d2] = { .dt_id = TEGRA114_CLK_PLL_D2, .present = true },
  734. [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA114_CLK_PLL_D2_OUT0, .present = true },
  735. [tegra_clk_pll_u] = { .dt_id = TEGRA114_CLK_PLL_U, .present = true },
  736. [tegra_clk_pll_u_480m] = { .dt_id = TEGRA114_CLK_PLL_U_480M, .present = true },
  737. [tegra_clk_pll_u_60m] = { .dt_id = TEGRA114_CLK_PLL_U_60M, .present = true },
  738. [tegra_clk_pll_u_48m] = { .dt_id = TEGRA114_CLK_PLL_U_48M, .present = true },
  739. [tegra_clk_pll_u_12m] = { .dt_id = TEGRA114_CLK_PLL_U_12M, .present = true },
  740. [tegra_clk_pll_x] = { .dt_id = TEGRA114_CLK_PLL_X, .present = true },
  741. [tegra_clk_pll_x_out0] = { .dt_id = TEGRA114_CLK_PLL_X_OUT0, .present = true },
  742. [tegra_clk_pll_re_vco] = { .dt_id = TEGRA114_CLK_PLL_RE_VCO, .present = true },
  743. [tegra_clk_pll_re_out] = { .dt_id = TEGRA114_CLK_PLL_RE_OUT, .present = true },
  744. [tegra_clk_pll_e_out0] = { .dt_id = TEGRA114_CLK_PLL_E_OUT0, .present = true },
  745. [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA114_CLK_SPDIF_IN_SYNC, .present = true },
  746. [tegra_clk_i2s0_sync] = { .dt_id = TEGRA114_CLK_I2S0_SYNC, .present = true },
  747. [tegra_clk_i2s1_sync] = { .dt_id = TEGRA114_CLK_I2S1_SYNC, .present = true },
  748. [tegra_clk_i2s2_sync] = { .dt_id = TEGRA114_CLK_I2S2_SYNC, .present = true },
  749. [tegra_clk_i2s3_sync] = { .dt_id = TEGRA114_CLK_I2S3_SYNC, .present = true },
  750. [tegra_clk_i2s4_sync] = { .dt_id = TEGRA114_CLK_I2S4_SYNC, .present = true },
  751. [tegra_clk_vimclk_sync] = { .dt_id = TEGRA114_CLK_VIMCLK_SYNC, .present = true },
  752. [tegra_clk_audio0] = { .dt_id = TEGRA114_CLK_AUDIO0, .present = true },
  753. [tegra_clk_audio1] = { .dt_id = TEGRA114_CLK_AUDIO1, .present = true },
  754. [tegra_clk_audio2] = { .dt_id = TEGRA114_CLK_AUDIO2, .present = true },
  755. [tegra_clk_audio3] = { .dt_id = TEGRA114_CLK_AUDIO3, .present = true },
  756. [tegra_clk_audio4] = { .dt_id = TEGRA114_CLK_AUDIO4, .present = true },
  757. [tegra_clk_spdif] = { .dt_id = TEGRA114_CLK_SPDIF, .present = true },
  758. [tegra_clk_clk_out_1] = { .dt_id = TEGRA114_CLK_CLK_OUT_1, .present = true },
  759. [tegra_clk_clk_out_2] = { .dt_id = TEGRA114_CLK_CLK_OUT_2, .present = true },
  760. [tegra_clk_clk_out_3] = { .dt_id = TEGRA114_CLK_CLK_OUT_3, .present = true },
  761. [tegra_clk_blink] = { .dt_id = TEGRA114_CLK_BLINK, .present = true },
  762. [tegra_clk_xusb_host_src] = { .dt_id = TEGRA114_CLK_XUSB_HOST_SRC, .present = true },
  763. [tegra_clk_xusb_falcon_src] = { .dt_id = TEGRA114_CLK_XUSB_FALCON_SRC, .present = true },
  764. [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA114_CLK_XUSB_FS_SRC, .present = true },
  765. [tegra_clk_xusb_ss_src] = { .dt_id = TEGRA114_CLK_XUSB_SS_SRC, .present = true },
  766. [tegra_clk_xusb_dev_src] = { .dt_id = TEGRA114_CLK_XUSB_DEV_SRC, .present = true },
  767. [tegra_clk_xusb_dev] = { .dt_id = TEGRA114_CLK_XUSB_DEV, .present = true },
  768. [tegra_clk_xusb_hs_src] = { .dt_id = TEGRA114_CLK_XUSB_HS_SRC, .present = true },
  769. [tegra_clk_sclk] = { .dt_id = TEGRA114_CLK_SCLK, .present = true },
  770. [tegra_clk_hclk] = { .dt_id = TEGRA114_CLK_HCLK, .present = true },
  771. [tegra_clk_pclk] = { .dt_id = TEGRA114_CLK_PCLK, .present = true },
  772. [tegra_clk_cclk_g] = { .dt_id = TEGRA114_CLK_CCLK_G, .present = true },
  773. [tegra_clk_cclk_lp] = { .dt_id = TEGRA114_CLK_CCLK_LP, .present = true },
  774. [tegra_clk_dfll_ref] = { .dt_id = TEGRA114_CLK_DFLL_REF, .present = true },
  775. [tegra_clk_dfll_soc] = { .dt_id = TEGRA114_CLK_DFLL_SOC, .present = true },
  776. [tegra_clk_audio0_mux] = { .dt_id = TEGRA114_CLK_AUDIO0_MUX, .present = true },
  777. [tegra_clk_audio1_mux] = { .dt_id = TEGRA114_CLK_AUDIO1_MUX, .present = true },
  778. [tegra_clk_audio2_mux] = { .dt_id = TEGRA114_CLK_AUDIO2_MUX, .present = true },
  779. [tegra_clk_audio3_mux] = { .dt_id = TEGRA114_CLK_AUDIO3_MUX, .present = true },
  780. [tegra_clk_audio4_mux] = { .dt_id = TEGRA114_CLK_AUDIO4_MUX, .present = true },
  781. [tegra_clk_spdif_mux] = { .dt_id = TEGRA114_CLK_SPDIF_MUX, .present = true },
  782. [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_1_MUX, .present = true },
  783. [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_2_MUX, .present = true },
  784. [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_3_MUX, .present = true },
  785. [tegra_clk_dsia_mux] = { .dt_id = TEGRA114_CLK_DSIA_MUX, .present = true },
  786. [tegra_clk_dsib_mux] = { .dt_id = TEGRA114_CLK_DSIB_MUX, .present = true },
  787. };
  788. static struct tegra_devclk devclks[] __initdata = {
  789. { .con_id = "clk_m", .dt_id = TEGRA114_CLK_CLK_M },
  790. { .con_id = "pll_ref", .dt_id = TEGRA114_CLK_PLL_REF },
  791. { .con_id = "clk_32k", .dt_id = TEGRA114_CLK_CLK_32K },
  792. { .con_id = "clk_m_div2", .dt_id = TEGRA114_CLK_CLK_M_DIV2 },
  793. { .con_id = "clk_m_div4", .dt_id = TEGRA114_CLK_CLK_M_DIV4 },
  794. { .con_id = "pll_c", .dt_id = TEGRA114_CLK_PLL_C },
  795. { .con_id = "pll_c_out1", .dt_id = TEGRA114_CLK_PLL_C_OUT1 },
  796. { .con_id = "pll_c2", .dt_id = TEGRA114_CLK_PLL_C2 },
  797. { .con_id = "pll_c3", .dt_id = TEGRA114_CLK_PLL_C3 },
  798. { .con_id = "pll_p", .dt_id = TEGRA114_CLK_PLL_P },
  799. { .con_id = "pll_p_out1", .dt_id = TEGRA114_CLK_PLL_P_OUT1 },
  800. { .con_id = "pll_p_out2", .dt_id = TEGRA114_CLK_PLL_P_OUT2 },
  801. { .con_id = "pll_p_out3", .dt_id = TEGRA114_CLK_PLL_P_OUT3 },
  802. { .con_id = "pll_p_out4", .dt_id = TEGRA114_CLK_PLL_P_OUT4 },
  803. { .con_id = "pll_m", .dt_id = TEGRA114_CLK_PLL_M },
  804. { .con_id = "pll_m_out1", .dt_id = TEGRA114_CLK_PLL_M_OUT1 },
  805. { .con_id = "pll_x", .dt_id = TEGRA114_CLK_PLL_X },
  806. { .con_id = "pll_x_out0", .dt_id = TEGRA114_CLK_PLL_X_OUT0 },
  807. { .con_id = "pll_u", .dt_id = TEGRA114_CLK_PLL_U },
  808. { .con_id = "pll_u_480M", .dt_id = TEGRA114_CLK_PLL_U_480M },
  809. { .con_id = "pll_u_60M", .dt_id = TEGRA114_CLK_PLL_U_60M },
  810. { .con_id = "pll_u_48M", .dt_id = TEGRA114_CLK_PLL_U_48M },
  811. { .con_id = "pll_u_12M", .dt_id = TEGRA114_CLK_PLL_U_12M },
  812. { .con_id = "pll_d", .dt_id = TEGRA114_CLK_PLL_D },
  813. { .con_id = "pll_d_out0", .dt_id = TEGRA114_CLK_PLL_D_OUT0 },
  814. { .con_id = "pll_d2", .dt_id = TEGRA114_CLK_PLL_D2 },
  815. { .con_id = "pll_d2_out0", .dt_id = TEGRA114_CLK_PLL_D2_OUT0 },
  816. { .con_id = "pll_a", .dt_id = TEGRA114_CLK_PLL_A },
  817. { .con_id = "pll_a_out0", .dt_id = TEGRA114_CLK_PLL_A_OUT0 },
  818. { .con_id = "pll_re_vco", .dt_id = TEGRA114_CLK_PLL_RE_VCO },
  819. { .con_id = "pll_re_out", .dt_id = TEGRA114_CLK_PLL_RE_OUT },
  820. { .con_id = "pll_e_out0", .dt_id = TEGRA114_CLK_PLL_E_OUT0 },
  821. { .con_id = "spdif_in_sync", .dt_id = TEGRA114_CLK_SPDIF_IN_SYNC },
  822. { .con_id = "i2s0_sync", .dt_id = TEGRA114_CLK_I2S0_SYNC },
  823. { .con_id = "i2s1_sync", .dt_id = TEGRA114_CLK_I2S1_SYNC },
  824. { .con_id = "i2s2_sync", .dt_id = TEGRA114_CLK_I2S2_SYNC },
  825. { .con_id = "i2s3_sync", .dt_id = TEGRA114_CLK_I2S3_SYNC },
  826. { .con_id = "i2s4_sync", .dt_id = TEGRA114_CLK_I2S4_SYNC },
  827. { .con_id = "vimclk_sync", .dt_id = TEGRA114_CLK_VIMCLK_SYNC },
  828. { .con_id = "audio0", .dt_id = TEGRA114_CLK_AUDIO0 },
  829. { .con_id = "audio1", .dt_id = TEGRA114_CLK_AUDIO1 },
  830. { .con_id = "audio2", .dt_id = TEGRA114_CLK_AUDIO2 },
  831. { .con_id = "audio3", .dt_id = TEGRA114_CLK_AUDIO3 },
  832. { .con_id = "audio4", .dt_id = TEGRA114_CLK_AUDIO4 },
  833. { .con_id = "spdif", .dt_id = TEGRA114_CLK_SPDIF },
  834. { .con_id = "audio0_2x", .dt_id = TEGRA114_CLK_AUDIO0_2X },
  835. { .con_id = "audio1_2x", .dt_id = TEGRA114_CLK_AUDIO1_2X },
  836. { .con_id = "audio2_2x", .dt_id = TEGRA114_CLK_AUDIO2_2X },
  837. { .con_id = "audio3_2x", .dt_id = TEGRA114_CLK_AUDIO3_2X },
  838. { .con_id = "audio4_2x", .dt_id = TEGRA114_CLK_AUDIO4_2X },
  839. { .con_id = "spdif_2x", .dt_id = TEGRA114_CLK_SPDIF_2X },
  840. { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA114_CLK_EXTERN1 },
  841. { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA114_CLK_EXTERN2 },
  842. { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA114_CLK_EXTERN3 },
  843. { .con_id = "blink", .dt_id = TEGRA114_CLK_BLINK },
  844. { .con_id = "cclk_g", .dt_id = TEGRA114_CLK_CCLK_G },
  845. { .con_id = "cclk_lp", .dt_id = TEGRA114_CLK_CCLK_LP },
  846. { .con_id = "sclk", .dt_id = TEGRA114_CLK_SCLK },
  847. { .con_id = "hclk", .dt_id = TEGRA114_CLK_HCLK },
  848. { .con_id = "pclk", .dt_id = TEGRA114_CLK_PCLK },
  849. { .con_id = "fuse", .dt_id = TEGRA114_CLK_FUSE },
  850. { .dev_id = "rtc-tegra", .dt_id = TEGRA114_CLK_RTC },
  851. { .dev_id = "timer", .dt_id = TEGRA114_CLK_TIMER },
  852. };
  853. static struct clk **clks;
  854. static unsigned long osc_freq;
  855. static unsigned long pll_ref_freq;
  856. static int __init tegra114_osc_clk_init(void __iomem *clk_base)
  857. {
  858. struct clk *clk;
  859. u32 val, pll_ref_div;
  860. val = readl_relaxed(clk_base + OSC_CTRL);
  861. osc_freq = tegra114_input_freq[val >> OSC_CTRL_OSC_FREQ_SHIFT];
  862. if (!osc_freq) {
  863. WARN_ON(1);
  864. return -EINVAL;
  865. }
  866. /* clk_m */
  867. clk = clk_register_fixed_rate(NULL, "clk_m", NULL, CLK_IS_ROOT,
  868. osc_freq);
  869. clks[TEGRA114_CLK_CLK_M] = clk;
  870. /* pll_ref */
  871. val = (val >> OSC_CTRL_PLL_REF_DIV_SHIFT) & 3;
  872. pll_ref_div = 1 << val;
  873. clk = clk_register_fixed_factor(NULL, "pll_ref", "clk_m",
  874. CLK_SET_RATE_PARENT, 1, pll_ref_div);
  875. clks[TEGRA114_CLK_PLL_REF] = clk;
  876. pll_ref_freq = osc_freq / pll_ref_div;
  877. return 0;
  878. }
  879. static void __init tegra114_fixed_clk_init(void __iomem *clk_base)
  880. {
  881. struct clk *clk;
  882. /* clk_32k */
  883. clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, CLK_IS_ROOT,
  884. 32768);
  885. clks[TEGRA114_CLK_CLK_32K] = clk;
  886. /* clk_m_div2 */
  887. clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m",
  888. CLK_SET_RATE_PARENT, 1, 2);
  889. clks[TEGRA114_CLK_CLK_M_DIV2] = clk;
  890. /* clk_m_div4 */
  891. clk = clk_register_fixed_factor(NULL, "clk_m_div4", "clk_m",
  892. CLK_SET_RATE_PARENT, 1, 4);
  893. clks[TEGRA114_CLK_CLK_M_DIV4] = clk;
  894. }
  895. static __init void tegra114_utmi_param_configure(void __iomem *clk_base)
  896. {
  897. u32 reg;
  898. int i;
  899. for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
  900. if (osc_freq == utmi_parameters[i].osc_frequency)
  901. break;
  902. }
  903. if (i >= ARRAY_SIZE(utmi_parameters)) {
  904. pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
  905. osc_freq);
  906. return;
  907. }
  908. reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
  909. /* Program UTMIP PLL stable and active counts */
  910. /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
  911. reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
  912. reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
  913. reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
  914. reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].
  915. active_delay_count);
  916. /* Remove power downs from UTMIP PLL control bits */
  917. reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
  918. reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
  919. reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
  920. writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
  921. /* Program UTMIP PLL delay and oscillator frequency counts */
  922. reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
  923. reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
  924. reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].
  925. enable_delay_count);
  926. reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
  927. reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].
  928. xtal_freq_count);
  929. /* Remove power downs from UTMIP PLL control bits */
  930. reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
  931. reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
  932. reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP;
  933. reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
  934. writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
  935. /* Setup HW control of UTMIPLL */
  936. reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
  937. reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
  938. reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
  939. reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE;
  940. writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
  941. reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
  942. reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
  943. reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
  944. writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
  945. udelay(1);
  946. /* Setup SW override of UTMIPLL assuming USB2.0
  947. ports are assigned to USB2 */
  948. reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
  949. reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL;
  950. reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
  951. writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
  952. udelay(1);
  953. /* Enable HW control UTMIPLL */
  954. reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
  955. reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
  956. writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
  957. }
  958. static void __init tegra114_pll_init(void __iomem *clk_base,
  959. void __iomem *pmc)
  960. {
  961. u32 val;
  962. struct clk *clk;
  963. /* PLLC */
  964. clk = tegra_clk_register_pllxc("pll_c", "pll_ref", clk_base,
  965. pmc, 0, &pll_c_params, NULL);
  966. clks[TEGRA114_CLK_PLL_C] = clk;
  967. /* PLLC_OUT1 */
  968. clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
  969. clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
  970. 8, 8, 1, NULL);
  971. clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
  972. clk_base + PLLC_OUT, 1, 0,
  973. CLK_SET_RATE_PARENT, 0, NULL);
  974. clks[TEGRA114_CLK_PLL_C_OUT1] = clk;
  975. /* PLLC2 */
  976. clk = tegra_clk_register_pllc("pll_c2", "pll_ref", clk_base, pmc, 0,
  977. &pll_c2_params, NULL);
  978. clks[TEGRA114_CLK_PLL_C2] = clk;
  979. /* PLLC3 */
  980. clk = tegra_clk_register_pllc("pll_c3", "pll_ref", clk_base, pmc, 0,
  981. &pll_c3_params, NULL);
  982. clks[TEGRA114_CLK_PLL_C3] = clk;
  983. /* PLLM */
  984. clk = tegra_clk_register_pllm("pll_m", "pll_ref", clk_base, pmc,
  985. CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE,
  986. &pll_m_params, NULL);
  987. clks[TEGRA114_CLK_PLL_M] = clk;
  988. /* PLLM_OUT1 */
  989. clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m",
  990. clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
  991. 8, 8, 1, NULL);
  992. clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div",
  993. clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED |
  994. CLK_SET_RATE_PARENT, 0, NULL);
  995. clks[TEGRA114_CLK_PLL_M_OUT1] = clk;
  996. /* PLLM_UD */
  997. clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
  998. CLK_SET_RATE_PARENT, 1, 1);
  999. /* PLLU */
  1000. val = readl(clk_base + pll_u_params.base_reg);
  1001. val &= ~BIT(24); /* disable PLLU_OVERRIDE */
  1002. writel(val, clk_base + pll_u_params.base_reg);
  1003. clk = tegra_clk_register_pll("pll_u", "pll_ref", clk_base, pmc, 0,
  1004. &pll_u_params, &pll_u_lock);
  1005. clks[TEGRA114_CLK_PLL_U] = clk;
  1006. tegra114_utmi_param_configure(clk_base);
  1007. /* PLLU_480M */
  1008. clk = clk_register_gate(NULL, "pll_u_480M", "pll_u",
  1009. CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
  1010. 22, 0, &pll_u_lock);
  1011. clks[TEGRA114_CLK_PLL_U_480M] = clk;
  1012. /* PLLU_60M */
  1013. clk = clk_register_fixed_factor(NULL, "pll_u_60M", "pll_u",
  1014. CLK_SET_RATE_PARENT, 1, 8);
  1015. clks[TEGRA114_CLK_PLL_U_60M] = clk;
  1016. /* PLLU_48M */
  1017. clk = clk_register_fixed_factor(NULL, "pll_u_48M", "pll_u",
  1018. CLK_SET_RATE_PARENT, 1, 10);
  1019. clks[TEGRA114_CLK_PLL_U_48M] = clk;
  1020. /* PLLU_12M */
  1021. clk = clk_register_fixed_factor(NULL, "pll_u_12M", "pll_u",
  1022. CLK_SET_RATE_PARENT, 1, 40);
  1023. clks[TEGRA114_CLK_PLL_U_12M] = clk;
  1024. /* PLLD */
  1025. clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
  1026. &pll_d_params, &pll_d_lock);
  1027. clks[TEGRA114_CLK_PLL_D] = clk;
  1028. /* PLLD_OUT0 */
  1029. clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
  1030. CLK_SET_RATE_PARENT, 1, 2);
  1031. clks[TEGRA114_CLK_PLL_D_OUT0] = clk;
  1032. /* PLLD2 */
  1033. clk = tegra_clk_register_pll("pll_d2", "pll_ref", clk_base, pmc, 0,
  1034. &pll_d2_params, &pll_d2_lock);
  1035. clks[TEGRA114_CLK_PLL_D2] = clk;
  1036. /* PLLD2_OUT0 */
  1037. clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
  1038. CLK_SET_RATE_PARENT, 1, 2);
  1039. clks[TEGRA114_CLK_PLL_D2_OUT0] = clk;
  1040. /* PLLRE */
  1041. clk = tegra_clk_register_pllre("pll_re_vco", "pll_ref", clk_base, pmc,
  1042. 0, &pll_re_vco_params, &pll_re_lock, pll_ref_freq);
  1043. clks[TEGRA114_CLK_PLL_RE_VCO] = clk;
  1044. clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
  1045. clk_base + PLLRE_BASE, 16, 4, 0,
  1046. pll_re_div_table, &pll_re_lock);
  1047. clks[TEGRA114_CLK_PLL_RE_OUT] = clk;
  1048. /* PLLE */
  1049. clk = tegra_clk_register_plle_tegra114("pll_e_out0", "pll_ref",
  1050. clk_base, 0, &pll_e_params, NULL);
  1051. clks[TEGRA114_CLK_PLL_E_OUT0] = clk;
  1052. }
  1053. static __init void tegra114_periph_clk_init(void __iomem *clk_base,
  1054. void __iomem *pmc_base)
  1055. {
  1056. struct clk *clk;
  1057. u32 val;
  1058. /* xusb_hs_src */
  1059. val = readl(clk_base + CLK_SOURCE_XUSB_SS_SRC);
  1060. val |= BIT(25); /* always select PLLU_60M */
  1061. writel(val, clk_base + CLK_SOURCE_XUSB_SS_SRC);
  1062. clk = clk_register_fixed_factor(NULL, "xusb_hs_src", "pll_u_60M", 0,
  1063. 1, 1);
  1064. clks[TEGRA114_CLK_XUSB_HS_SRC] = clk;
  1065. /* dsia mux */
  1066. clk = clk_register_mux(NULL, "dsia_mux", mux_plld_out0_plld2_out0,
  1067. ARRAY_SIZE(mux_plld_out0_plld2_out0),
  1068. CLK_SET_RATE_NO_REPARENT,
  1069. clk_base + PLLD_BASE, 25, 1, 0, &pll_d_lock);
  1070. clks[TEGRA114_CLK_DSIA_MUX] = clk;
  1071. /* dsib mux */
  1072. clk = clk_register_mux(NULL, "dsib_mux", mux_plld_out0_plld2_out0,
  1073. ARRAY_SIZE(mux_plld_out0_plld2_out0),
  1074. CLK_SET_RATE_NO_REPARENT,
  1075. clk_base + PLLD2_BASE, 25, 1, 0, &pll_d2_lock);
  1076. clks[TEGRA114_CLK_DSIB_MUX] = clk;
  1077. /* emc mux */
  1078. clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
  1079. ARRAY_SIZE(mux_pllmcp_clkm),
  1080. CLK_SET_RATE_NO_REPARENT,
  1081. clk_base + CLK_SOURCE_EMC,
  1082. 29, 3, 0, NULL);
  1083. tegra_periph_clk_init(clk_base, pmc_base, tegra114_clks,
  1084. &pll_p_params);
  1085. }
  1086. /* Tegra114 CPU clock and reset control functions */
  1087. static void tegra114_wait_cpu_in_reset(u32 cpu)
  1088. {
  1089. unsigned int reg;
  1090. do {
  1091. reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
  1092. cpu_relax();
  1093. } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
  1094. }
  1095. static void tegra114_disable_cpu_clock(u32 cpu)
  1096. {
  1097. /* flow controller would take care in the power sequence. */
  1098. }
  1099. #ifdef CONFIG_PM_SLEEP
  1100. static void tegra114_cpu_clock_suspend(void)
  1101. {
  1102. /* switch coresite to clk_m, save off original source */
  1103. tegra114_cpu_clk_sctx.clk_csite_src =
  1104. readl(clk_base + CLK_SOURCE_CSITE);
  1105. writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
  1106. tegra114_cpu_clk_sctx.cclkg_burst =
  1107. readl(clk_base + CCLKG_BURST_POLICY);
  1108. tegra114_cpu_clk_sctx.cclkg_divider =
  1109. readl(clk_base + CCLKG_BURST_POLICY + 4);
  1110. }
  1111. static void tegra114_cpu_clock_resume(void)
  1112. {
  1113. writel(tegra114_cpu_clk_sctx.clk_csite_src,
  1114. clk_base + CLK_SOURCE_CSITE);
  1115. writel(tegra114_cpu_clk_sctx.cclkg_burst,
  1116. clk_base + CCLKG_BURST_POLICY);
  1117. writel(tegra114_cpu_clk_sctx.cclkg_divider,
  1118. clk_base + CCLKG_BURST_POLICY + 4);
  1119. }
  1120. #endif
  1121. static struct tegra_cpu_car_ops tegra114_cpu_car_ops = {
  1122. .wait_for_reset = tegra114_wait_cpu_in_reset,
  1123. .disable_clock = tegra114_disable_cpu_clock,
  1124. #ifdef CONFIG_PM_SLEEP
  1125. .suspend = tegra114_cpu_clock_suspend,
  1126. .resume = tegra114_cpu_clock_resume,
  1127. #endif
  1128. };
  1129. static const struct of_device_id pmc_match[] __initconst = {
  1130. { .compatible = "nvidia,tegra114-pmc" },
  1131. {},
  1132. };
  1133. /*
  1134. * dfll_soc/dfll_ref apparently must be kept enabled, otherwise I2C5
  1135. * breaks
  1136. */
  1137. static struct tegra_clk_init_table init_table[] __initdata = {
  1138. {TEGRA114_CLK_UARTA, TEGRA114_CLK_PLL_P, 408000000, 0},
  1139. {TEGRA114_CLK_UARTB, TEGRA114_CLK_PLL_P, 408000000, 0},
  1140. {TEGRA114_CLK_UARTC, TEGRA114_CLK_PLL_P, 408000000, 0},
  1141. {TEGRA114_CLK_UARTD, TEGRA114_CLK_PLL_P, 408000000, 0},
  1142. {TEGRA114_CLK_PLL_A, TEGRA114_CLK_CLK_MAX, 564480000, 1},
  1143. {TEGRA114_CLK_PLL_A_OUT0, TEGRA114_CLK_CLK_MAX, 11289600, 1},
  1144. {TEGRA114_CLK_EXTERN1, TEGRA114_CLK_PLL_A_OUT0, 0, 1},
  1145. {TEGRA114_CLK_CLK_OUT_1_MUX, TEGRA114_CLK_EXTERN1, 0, 1},
  1146. {TEGRA114_CLK_CLK_OUT_1, TEGRA114_CLK_CLK_MAX, 0, 1},
  1147. {TEGRA114_CLK_I2S0, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
  1148. {TEGRA114_CLK_I2S1, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
  1149. {TEGRA114_CLK_I2S2, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
  1150. {TEGRA114_CLK_I2S3, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
  1151. {TEGRA114_CLK_I2S4, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
  1152. {TEGRA114_CLK_HOST1X, TEGRA114_CLK_PLL_P, 136000000, 0},
  1153. {TEGRA114_CLK_DFLL_SOC, TEGRA114_CLK_PLL_P, 51000000, 1},
  1154. {TEGRA114_CLK_DFLL_REF, TEGRA114_CLK_PLL_P, 51000000, 1},
  1155. {TEGRA114_CLK_DISP1, TEGRA114_CLK_PLL_P, 0, 0},
  1156. {TEGRA114_CLK_DISP2, TEGRA114_CLK_PLL_P, 0, 0},
  1157. {TEGRA114_CLK_GR2D, TEGRA114_CLK_PLL_C2, 300000000, 0},
  1158. {TEGRA114_CLK_GR3D, TEGRA114_CLK_PLL_C2, 300000000, 0},
  1159. {TEGRA114_CLK_DSIALP, TEGRA114_CLK_PLL_P, 68000000, 0},
  1160. {TEGRA114_CLK_DSIBLP, TEGRA114_CLK_PLL_P, 68000000, 0},
  1161. /* This MUST be the last entry. */
  1162. {TEGRA114_CLK_CLK_MAX, TEGRA114_CLK_CLK_MAX, 0, 0},
  1163. };
  1164. static void __init tegra114_clock_apply_init_table(void)
  1165. {
  1166. tegra_init_from_table(init_table, clks, TEGRA114_CLK_CLK_MAX);
  1167. }
  1168. /**
  1169. * tegra114_car_barrier - wait for pending writes to the CAR to complete
  1170. *
  1171. * Wait for any outstanding writes to the CAR MMIO space from this CPU
  1172. * to complete before continuing execution. No return value.
  1173. */
  1174. static void tegra114_car_barrier(void)
  1175. {
  1176. wmb(); /* probably unnecessary */
  1177. readl_relaxed(clk_base + CPU_FINETRIM_SELECT);
  1178. }
  1179. /**
  1180. * tegra114_clock_tune_cpu_trimmers_high - use high-voltage propagation delays
  1181. *
  1182. * When the CPU rail voltage is in the high-voltage range, use the
  1183. * built-in hardwired clock propagation delays in the CPU clock
  1184. * shaper. No return value.
  1185. */
  1186. void tegra114_clock_tune_cpu_trimmers_high(void)
  1187. {
  1188. u32 select = 0;
  1189. /* Use hardwired rise->rise & fall->fall clock propagation delays */
  1190. select |= ~(CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
  1191. CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
  1192. CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
  1193. writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT);
  1194. tegra114_car_barrier();
  1195. }
  1196. EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_high);
  1197. /**
  1198. * tegra114_clock_tune_cpu_trimmers_low - use low-voltage propagation delays
  1199. *
  1200. * When the CPU rail voltage is in the low-voltage range, use the
  1201. * extended clock propagation delays set by
  1202. * tegra114_clock_tune_cpu_trimmers_init(). The intention is to
  1203. * maintain the input clock duty cycle that the FCPU subsystem
  1204. * expects. No return value.
  1205. */
  1206. void tegra114_clock_tune_cpu_trimmers_low(void)
  1207. {
  1208. u32 select = 0;
  1209. /*
  1210. * Use software-specified rise->rise & fall->fall clock
  1211. * propagation delays (from
  1212. * tegra114_clock_tune_cpu_trimmers_init()
  1213. */
  1214. select |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
  1215. CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
  1216. CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
  1217. writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT);
  1218. tegra114_car_barrier();
  1219. }
  1220. EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_low);
  1221. /**
  1222. * tegra114_clock_tune_cpu_trimmers_init - set up and enable clk prop delays
  1223. *
  1224. * Program extended clock propagation delays into the FCPU clock
  1225. * shaper and enable them. XXX Define the purpose - peak current
  1226. * reduction? No return value.
  1227. */
  1228. /* XXX Initial voltage rail state assumption issues? */
  1229. void tegra114_clock_tune_cpu_trimmers_init(void)
  1230. {
  1231. u32 dr = 0, r = 0;
  1232. /* Increment the rise->rise clock delay by four steps */
  1233. r |= (CPU_FINETRIM_R_FCPU_1_MASK | CPU_FINETRIM_R_FCPU_2_MASK |
  1234. CPU_FINETRIM_R_FCPU_3_MASK | CPU_FINETRIM_R_FCPU_4_MASK |
  1235. CPU_FINETRIM_R_FCPU_5_MASK | CPU_FINETRIM_R_FCPU_6_MASK);
  1236. writel_relaxed(r, clk_base + CPU_FINETRIM_R);
  1237. /*
  1238. * Use the rise->rise clock propagation delay specified in the
  1239. * r field
  1240. */
  1241. dr |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
  1242. CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
  1243. CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
  1244. writel_relaxed(dr, clk_base + CPU_FINETRIM_DR);
  1245. tegra114_clock_tune_cpu_trimmers_low();
  1246. }
  1247. EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_init);
  1248. /**
  1249. * tegra114_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
  1250. *
  1251. * Assert the reset line of the DFLL's DVCO. No return value.
  1252. */
  1253. void tegra114_clock_assert_dfll_dvco_reset(void)
  1254. {
  1255. u32 v;
  1256. v = readl_relaxed(clk_base + RST_DFLL_DVCO);
  1257. v |= (1 << DVFS_DFLL_RESET_SHIFT);
  1258. writel_relaxed(v, clk_base + RST_DFLL_DVCO);
  1259. tegra114_car_barrier();
  1260. }
  1261. EXPORT_SYMBOL(tegra114_clock_assert_dfll_dvco_reset);
  1262. /**
  1263. * tegra114_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
  1264. *
  1265. * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
  1266. * operate. No return value.
  1267. */
  1268. void tegra114_clock_deassert_dfll_dvco_reset(void)
  1269. {
  1270. u32 v;
  1271. v = readl_relaxed(clk_base + RST_DFLL_DVCO);
  1272. v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
  1273. writel_relaxed(v, clk_base + RST_DFLL_DVCO);
  1274. tegra114_car_barrier();
  1275. }
  1276. EXPORT_SYMBOL(tegra114_clock_deassert_dfll_dvco_reset);
  1277. static void __init tegra114_clock_init(struct device_node *np)
  1278. {
  1279. struct device_node *node;
  1280. clk_base = of_iomap(np, 0);
  1281. if (!clk_base) {
  1282. pr_err("ioremap tegra114 CAR failed\n");
  1283. return;
  1284. }
  1285. node = of_find_matching_node(NULL, pmc_match);
  1286. if (!node) {
  1287. pr_err("Failed to find pmc node\n");
  1288. WARN_ON(1);
  1289. return;
  1290. }
  1291. pmc_base = of_iomap(node, 0);
  1292. if (!pmc_base) {
  1293. pr_err("Can't map pmc registers\n");
  1294. WARN_ON(1);
  1295. return;
  1296. }
  1297. clks = tegra_clk_init(TEGRA114_CLK_CLK_MAX, TEGRA114_CLK_PERIPH_BANKS);
  1298. if (!clks)
  1299. return;
  1300. if (tegra114_osc_clk_init(clk_base) < 0)
  1301. return;
  1302. tegra114_fixed_clk_init(clk_base);
  1303. tegra114_pll_init(clk_base, pmc_base);
  1304. tegra114_periph_clk_init(clk_base, pmc_base);
  1305. tegra_audio_clk_init(clk_base, pmc_base, tegra114_clks, &pll_a_params);
  1306. tegra_pmc_clk_init(pmc_base, tegra114_clks);
  1307. tegra_super_clk_gen4_init(clk_base, pmc_base, tegra114_clks,
  1308. &pll_x_params);
  1309. tegra_add_of_provider(np);
  1310. tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
  1311. tegra_clk_apply_init_table = tegra114_clock_apply_init_table;
  1312. tegra_cpu_car_ops = &tegra114_cpu_car_ops;
  1313. }
  1314. CLK_OF_DECLARE(tegra114, "nvidia,tegra114-car", tegra114_clock_init);