meson8b.c 32 KB

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  1. // SPDX-License-Identifier: GPL-2.0
  2. /*
  3. * Copyright (c) 2015 Endless Mobile, Inc.
  4. * Author: Carlo Caione <carlo@endlessm.com>
  5. *
  6. * Copyright (c) 2016 BayLibre, Inc.
  7. * Michael Turquette <mturquette@baylibre.com>
  8. */
  9. #include <linux/clk.h>
  10. #include <linux/clk-provider.h>
  11. #include <linux/init.h>
  12. #include <linux/of_address.h>
  13. #include <linux/reset-controller.h>
  14. #include <linux/slab.h>
  15. #include <linux/regmap.h>
  16. #include "clkc.h"
  17. #include "meson8b.h"
  18. #include "clk-regmap.h"
  19. static DEFINE_SPINLOCK(meson_clk_lock);
  20. struct meson8b_clk_reset {
  21. struct reset_controller_dev reset;
  22. struct regmap *regmap;
  23. };
  24. static const struct pll_params_table sys_pll_params_table[] = {
  25. PLL_PARAMS(50, 1),
  26. PLL_PARAMS(51, 1),
  27. PLL_PARAMS(52, 1),
  28. PLL_PARAMS(53, 1),
  29. PLL_PARAMS(54, 1),
  30. PLL_PARAMS(55, 1),
  31. PLL_PARAMS(56, 1),
  32. PLL_PARAMS(57, 1),
  33. PLL_PARAMS(58, 1),
  34. PLL_PARAMS(59, 1),
  35. PLL_PARAMS(60, 1),
  36. PLL_PARAMS(61, 1),
  37. PLL_PARAMS(62, 1),
  38. PLL_PARAMS(63, 1),
  39. PLL_PARAMS(64, 1),
  40. { /* sentinel */ },
  41. };
  42. static struct clk_fixed_rate meson8b_xtal = {
  43. .fixed_rate = 24000000,
  44. .hw.init = &(struct clk_init_data){
  45. .name = "xtal",
  46. .num_parents = 0,
  47. .ops = &clk_fixed_rate_ops,
  48. },
  49. };
  50. static struct clk_regmap meson8b_fixed_pll_dco = {
  51. .data = &(struct meson_clk_pll_data){
  52. .en = {
  53. .reg_off = HHI_MPLL_CNTL,
  54. .shift = 30,
  55. .width = 1,
  56. },
  57. .m = {
  58. .reg_off = HHI_MPLL_CNTL,
  59. .shift = 0,
  60. .width = 9,
  61. },
  62. .n = {
  63. .reg_off = HHI_MPLL_CNTL,
  64. .shift = 9,
  65. .width = 5,
  66. },
  67. .frac = {
  68. .reg_off = HHI_MPLL_CNTL2,
  69. .shift = 0,
  70. .width = 12,
  71. },
  72. .l = {
  73. .reg_off = HHI_MPLL_CNTL,
  74. .shift = 31,
  75. .width = 1,
  76. },
  77. .rst = {
  78. .reg_off = HHI_MPLL_CNTL,
  79. .shift = 29,
  80. .width = 1,
  81. },
  82. },
  83. .hw.init = &(struct clk_init_data){
  84. .name = "fixed_pll_dco",
  85. .ops = &meson_clk_pll_ro_ops,
  86. .parent_names = (const char *[]){ "xtal" },
  87. .num_parents = 1,
  88. },
  89. };
  90. static struct clk_regmap meson8b_fixed_pll = {
  91. .data = &(struct clk_regmap_div_data){
  92. .offset = HHI_MPLL_CNTL,
  93. .shift = 16,
  94. .width = 2,
  95. .flags = CLK_DIVIDER_POWER_OF_TWO,
  96. },
  97. .hw.init = &(struct clk_init_data){
  98. .name = "fixed_pll",
  99. .ops = &clk_regmap_divider_ro_ops,
  100. .parent_names = (const char *[]){ "fixed_pll_dco" },
  101. .num_parents = 1,
  102. /*
  103. * This clock won't ever change at runtime so
  104. * CLK_SET_RATE_PARENT is not required
  105. */
  106. },
  107. };
  108. static struct clk_regmap meson8b_vid_pll_dco = {
  109. .data = &(struct meson_clk_pll_data){
  110. .en = {
  111. .reg_off = HHI_VID_PLL_CNTL,
  112. .shift = 30,
  113. .width = 1,
  114. },
  115. .m = {
  116. .reg_off = HHI_VID_PLL_CNTL,
  117. .shift = 0,
  118. .width = 9,
  119. },
  120. .n = {
  121. .reg_off = HHI_VID_PLL_CNTL,
  122. .shift = 9,
  123. .width = 5,
  124. },
  125. .l = {
  126. .reg_off = HHI_VID_PLL_CNTL,
  127. .shift = 31,
  128. .width = 1,
  129. },
  130. .rst = {
  131. .reg_off = HHI_VID_PLL_CNTL,
  132. .shift = 29,
  133. .width = 1,
  134. },
  135. },
  136. .hw.init = &(struct clk_init_data){
  137. .name = "vid_pll_dco",
  138. .ops = &meson_clk_pll_ro_ops,
  139. .parent_names = (const char *[]){ "xtal" },
  140. .num_parents = 1,
  141. },
  142. };
  143. static struct clk_regmap meson8b_vid_pll = {
  144. .data = &(struct clk_regmap_div_data){
  145. .offset = HHI_VID_PLL_CNTL,
  146. .shift = 16,
  147. .width = 2,
  148. .flags = CLK_DIVIDER_POWER_OF_TWO,
  149. },
  150. .hw.init = &(struct clk_init_data){
  151. .name = "vid_pll",
  152. .ops = &clk_regmap_divider_ro_ops,
  153. .parent_names = (const char *[]){ "vid_pll_dco" },
  154. .num_parents = 1,
  155. .flags = CLK_SET_RATE_PARENT,
  156. },
  157. };
  158. static struct clk_regmap meson8b_sys_pll_dco = {
  159. .data = &(struct meson_clk_pll_data){
  160. .en = {
  161. .reg_off = HHI_SYS_PLL_CNTL,
  162. .shift = 30,
  163. .width = 1,
  164. },
  165. .m = {
  166. .reg_off = HHI_SYS_PLL_CNTL,
  167. .shift = 0,
  168. .width = 9,
  169. },
  170. .n = {
  171. .reg_off = HHI_SYS_PLL_CNTL,
  172. .shift = 9,
  173. .width = 5,
  174. },
  175. .l = {
  176. .reg_off = HHI_SYS_PLL_CNTL,
  177. .shift = 31,
  178. .width = 1,
  179. },
  180. .rst = {
  181. .reg_off = HHI_SYS_PLL_CNTL,
  182. .shift = 29,
  183. .width = 1,
  184. },
  185. .table = sys_pll_params_table,
  186. },
  187. .hw.init = &(struct clk_init_data){
  188. .name = "sys_pll_dco",
  189. .ops = &meson_clk_pll_ro_ops,
  190. .parent_names = (const char *[]){ "xtal" },
  191. .num_parents = 1,
  192. },
  193. };
  194. static struct clk_regmap meson8b_sys_pll = {
  195. .data = &(struct clk_regmap_div_data){
  196. .offset = HHI_SYS_PLL_CNTL,
  197. .shift = 16,
  198. .width = 2,
  199. .flags = CLK_DIVIDER_POWER_OF_TWO,
  200. },
  201. .hw.init = &(struct clk_init_data){
  202. .name = "sys_pll",
  203. .ops = &clk_regmap_divider_ro_ops,
  204. .parent_names = (const char *[]){ "sys_pll_dco" },
  205. .num_parents = 1,
  206. .flags = CLK_SET_RATE_PARENT,
  207. },
  208. };
  209. static struct clk_fixed_factor meson8b_fclk_div2_div = {
  210. .mult = 1,
  211. .div = 2,
  212. .hw.init = &(struct clk_init_data){
  213. .name = "fclk_div2_div",
  214. .ops = &clk_fixed_factor_ops,
  215. .parent_names = (const char *[]){ "fixed_pll" },
  216. .num_parents = 1,
  217. },
  218. };
  219. static struct clk_regmap meson8b_fclk_div2 = {
  220. .data = &(struct clk_regmap_gate_data){
  221. .offset = HHI_MPLL_CNTL6,
  222. .bit_idx = 27,
  223. },
  224. .hw.init = &(struct clk_init_data){
  225. .name = "fclk_div2",
  226. .ops = &clk_regmap_gate_ops,
  227. .parent_names = (const char *[]){ "fclk_div2_div" },
  228. .num_parents = 1,
  229. /*
  230. * FIXME: Ethernet with a RGMII PHYs is not working if
  231. * fclk_div2 is disabled. it is currently unclear why this
  232. * is. keep it enabled until the Ethernet driver knows how
  233. * to manage this clock.
  234. */
  235. .flags = CLK_IS_CRITICAL,
  236. },
  237. };
  238. static struct clk_fixed_factor meson8b_fclk_div3_div = {
  239. .mult = 1,
  240. .div = 3,
  241. .hw.init = &(struct clk_init_data){
  242. .name = "fclk_div3_div",
  243. .ops = &clk_fixed_factor_ops,
  244. .parent_names = (const char *[]){ "fixed_pll" },
  245. .num_parents = 1,
  246. },
  247. };
  248. static struct clk_regmap meson8b_fclk_div3 = {
  249. .data = &(struct clk_regmap_gate_data){
  250. .offset = HHI_MPLL_CNTL6,
  251. .bit_idx = 28,
  252. },
  253. .hw.init = &(struct clk_init_data){
  254. .name = "fclk_div3",
  255. .ops = &clk_regmap_gate_ops,
  256. .parent_names = (const char *[]){ "fclk_div3_div" },
  257. .num_parents = 1,
  258. },
  259. };
  260. static struct clk_fixed_factor meson8b_fclk_div4_div = {
  261. .mult = 1,
  262. .div = 4,
  263. .hw.init = &(struct clk_init_data){
  264. .name = "fclk_div4_div",
  265. .ops = &clk_fixed_factor_ops,
  266. .parent_names = (const char *[]){ "fixed_pll" },
  267. .num_parents = 1,
  268. },
  269. };
  270. static struct clk_regmap meson8b_fclk_div4 = {
  271. .data = &(struct clk_regmap_gate_data){
  272. .offset = HHI_MPLL_CNTL6,
  273. .bit_idx = 29,
  274. },
  275. .hw.init = &(struct clk_init_data){
  276. .name = "fclk_div4",
  277. .ops = &clk_regmap_gate_ops,
  278. .parent_names = (const char *[]){ "fclk_div4_div" },
  279. .num_parents = 1,
  280. },
  281. };
  282. static struct clk_fixed_factor meson8b_fclk_div5_div = {
  283. .mult = 1,
  284. .div = 5,
  285. .hw.init = &(struct clk_init_data){
  286. .name = "fclk_div5_div",
  287. .ops = &clk_fixed_factor_ops,
  288. .parent_names = (const char *[]){ "fixed_pll" },
  289. .num_parents = 1,
  290. },
  291. };
  292. static struct clk_regmap meson8b_fclk_div5 = {
  293. .data = &(struct clk_regmap_gate_data){
  294. .offset = HHI_MPLL_CNTL6,
  295. .bit_idx = 30,
  296. },
  297. .hw.init = &(struct clk_init_data){
  298. .name = "fclk_div5",
  299. .ops = &clk_regmap_gate_ops,
  300. .parent_names = (const char *[]){ "fclk_div5_div" },
  301. .num_parents = 1,
  302. },
  303. };
  304. static struct clk_fixed_factor meson8b_fclk_div7_div = {
  305. .mult = 1,
  306. .div = 7,
  307. .hw.init = &(struct clk_init_data){
  308. .name = "fclk_div7_div",
  309. .ops = &clk_fixed_factor_ops,
  310. .parent_names = (const char *[]){ "fixed_pll" },
  311. .num_parents = 1,
  312. },
  313. };
  314. static struct clk_regmap meson8b_fclk_div7 = {
  315. .data = &(struct clk_regmap_gate_data){
  316. .offset = HHI_MPLL_CNTL6,
  317. .bit_idx = 31,
  318. },
  319. .hw.init = &(struct clk_init_data){
  320. .name = "fclk_div7",
  321. .ops = &clk_regmap_gate_ops,
  322. .parent_names = (const char *[]){ "fclk_div7_div" },
  323. .num_parents = 1,
  324. },
  325. };
  326. static struct clk_regmap meson8b_mpll_prediv = {
  327. .data = &(struct clk_regmap_div_data){
  328. .offset = HHI_MPLL_CNTL5,
  329. .shift = 12,
  330. .width = 1,
  331. },
  332. .hw.init = &(struct clk_init_data){
  333. .name = "mpll_prediv",
  334. .ops = &clk_regmap_divider_ro_ops,
  335. .parent_names = (const char *[]){ "fixed_pll" },
  336. .num_parents = 1,
  337. },
  338. };
  339. static struct clk_regmap meson8b_mpll0_div = {
  340. .data = &(struct meson_clk_mpll_data){
  341. .sdm = {
  342. .reg_off = HHI_MPLL_CNTL7,
  343. .shift = 0,
  344. .width = 14,
  345. },
  346. .sdm_en = {
  347. .reg_off = HHI_MPLL_CNTL7,
  348. .shift = 15,
  349. .width = 1,
  350. },
  351. .n2 = {
  352. .reg_off = HHI_MPLL_CNTL7,
  353. .shift = 16,
  354. .width = 9,
  355. },
  356. .ssen = {
  357. .reg_off = HHI_MPLL_CNTL,
  358. .shift = 25,
  359. .width = 1,
  360. },
  361. .lock = &meson_clk_lock,
  362. },
  363. .hw.init = &(struct clk_init_data){
  364. .name = "mpll0_div",
  365. .ops = &meson_clk_mpll_ops,
  366. .parent_names = (const char *[]){ "mpll_prediv" },
  367. .num_parents = 1,
  368. },
  369. };
  370. static struct clk_regmap meson8b_mpll0 = {
  371. .data = &(struct clk_regmap_gate_data){
  372. .offset = HHI_MPLL_CNTL7,
  373. .bit_idx = 14,
  374. },
  375. .hw.init = &(struct clk_init_data){
  376. .name = "mpll0",
  377. .ops = &clk_regmap_gate_ops,
  378. .parent_names = (const char *[]){ "mpll0_div" },
  379. .num_parents = 1,
  380. .flags = CLK_SET_RATE_PARENT,
  381. },
  382. };
  383. static struct clk_regmap meson8b_mpll1_div = {
  384. .data = &(struct meson_clk_mpll_data){
  385. .sdm = {
  386. .reg_off = HHI_MPLL_CNTL8,
  387. .shift = 0,
  388. .width = 14,
  389. },
  390. .sdm_en = {
  391. .reg_off = HHI_MPLL_CNTL8,
  392. .shift = 15,
  393. .width = 1,
  394. },
  395. .n2 = {
  396. .reg_off = HHI_MPLL_CNTL8,
  397. .shift = 16,
  398. .width = 9,
  399. },
  400. .lock = &meson_clk_lock,
  401. },
  402. .hw.init = &(struct clk_init_data){
  403. .name = "mpll1_div",
  404. .ops = &meson_clk_mpll_ops,
  405. .parent_names = (const char *[]){ "mpll_prediv" },
  406. .num_parents = 1,
  407. },
  408. };
  409. static struct clk_regmap meson8b_mpll1 = {
  410. .data = &(struct clk_regmap_gate_data){
  411. .offset = HHI_MPLL_CNTL8,
  412. .bit_idx = 14,
  413. },
  414. .hw.init = &(struct clk_init_data){
  415. .name = "mpll1",
  416. .ops = &clk_regmap_gate_ops,
  417. .parent_names = (const char *[]){ "mpll1_div" },
  418. .num_parents = 1,
  419. .flags = CLK_SET_RATE_PARENT,
  420. },
  421. };
  422. static struct clk_regmap meson8b_mpll2_div = {
  423. .data = &(struct meson_clk_mpll_data){
  424. .sdm = {
  425. .reg_off = HHI_MPLL_CNTL9,
  426. .shift = 0,
  427. .width = 14,
  428. },
  429. .sdm_en = {
  430. .reg_off = HHI_MPLL_CNTL9,
  431. .shift = 15,
  432. .width = 1,
  433. },
  434. .n2 = {
  435. .reg_off = HHI_MPLL_CNTL9,
  436. .shift = 16,
  437. .width = 9,
  438. },
  439. .lock = &meson_clk_lock,
  440. },
  441. .hw.init = &(struct clk_init_data){
  442. .name = "mpll2_div",
  443. .ops = &meson_clk_mpll_ops,
  444. .parent_names = (const char *[]){ "mpll_prediv" },
  445. .num_parents = 1,
  446. },
  447. };
  448. static struct clk_regmap meson8b_mpll2 = {
  449. .data = &(struct clk_regmap_gate_data){
  450. .offset = HHI_MPLL_CNTL9,
  451. .bit_idx = 14,
  452. },
  453. .hw.init = &(struct clk_init_data){
  454. .name = "mpll2",
  455. .ops = &clk_regmap_gate_ops,
  456. .parent_names = (const char *[]){ "mpll2_div" },
  457. .num_parents = 1,
  458. .flags = CLK_SET_RATE_PARENT,
  459. },
  460. };
  461. static u32 mux_table_clk81[] = { 6, 5, 7 };
  462. static struct clk_regmap meson8b_mpeg_clk_sel = {
  463. .data = &(struct clk_regmap_mux_data){
  464. .offset = HHI_MPEG_CLK_CNTL,
  465. .mask = 0x7,
  466. .shift = 12,
  467. .table = mux_table_clk81,
  468. },
  469. .hw.init = &(struct clk_init_data){
  470. .name = "mpeg_clk_sel",
  471. .ops = &clk_regmap_mux_ro_ops,
  472. /*
  473. * FIXME bits 14:12 selects from 8 possible parents:
  474. * xtal, 1'b0 (wtf), fclk_div7, mpll_clkout1, mpll_clkout2,
  475. * fclk_div4, fclk_div3, fclk_div5
  476. */
  477. .parent_names = (const char *[]){ "fclk_div3", "fclk_div4",
  478. "fclk_div5" },
  479. .num_parents = 3,
  480. },
  481. };
  482. static struct clk_regmap meson8b_mpeg_clk_div = {
  483. .data = &(struct clk_regmap_div_data){
  484. .offset = HHI_MPEG_CLK_CNTL,
  485. .shift = 0,
  486. .width = 7,
  487. },
  488. .hw.init = &(struct clk_init_data){
  489. .name = "mpeg_clk_div",
  490. .ops = &clk_regmap_divider_ro_ops,
  491. .parent_names = (const char *[]){ "mpeg_clk_sel" },
  492. .num_parents = 1,
  493. },
  494. };
  495. static struct clk_regmap meson8b_clk81 = {
  496. .data = &(struct clk_regmap_gate_data){
  497. .offset = HHI_MPEG_CLK_CNTL,
  498. .bit_idx = 7,
  499. },
  500. .hw.init = &(struct clk_init_data){
  501. .name = "clk81",
  502. .ops = &clk_regmap_gate_ops,
  503. .parent_names = (const char *[]){ "mpeg_clk_div" },
  504. .num_parents = 1,
  505. .flags = CLK_IS_CRITICAL,
  506. },
  507. };
  508. static struct clk_regmap meson8b_cpu_in_sel = {
  509. .data = &(struct clk_regmap_mux_data){
  510. .offset = HHI_SYS_CPU_CLK_CNTL0,
  511. .mask = 0x1,
  512. .shift = 0,
  513. },
  514. .hw.init = &(struct clk_init_data){
  515. .name = "cpu_in_sel",
  516. .ops = &clk_regmap_mux_ro_ops,
  517. .parent_names = (const char *[]){ "xtal", "sys_pll" },
  518. .num_parents = 2,
  519. .flags = (CLK_SET_RATE_PARENT |
  520. CLK_SET_RATE_NO_REPARENT),
  521. },
  522. };
  523. static struct clk_fixed_factor meson8b_cpu_div2 = {
  524. .mult = 1,
  525. .div = 2,
  526. .hw.init = &(struct clk_init_data){
  527. .name = "cpu_div2",
  528. .ops = &clk_fixed_factor_ops,
  529. .parent_names = (const char *[]){ "cpu_in_sel" },
  530. .num_parents = 1,
  531. .flags = CLK_SET_RATE_PARENT,
  532. },
  533. };
  534. static struct clk_fixed_factor meson8b_cpu_div3 = {
  535. .mult = 1,
  536. .div = 3,
  537. .hw.init = &(struct clk_init_data){
  538. .name = "cpu_div3",
  539. .ops = &clk_fixed_factor_ops,
  540. .parent_names = (const char *[]){ "cpu_in_sel" },
  541. .num_parents = 1,
  542. .flags = CLK_SET_RATE_PARENT,
  543. },
  544. };
  545. static const struct clk_div_table cpu_scale_table[] = {
  546. { .val = 2, .div = 4 },
  547. { .val = 3, .div = 6 },
  548. { .val = 4, .div = 8 },
  549. { .val = 5, .div = 10 },
  550. { .val = 6, .div = 12 },
  551. { .val = 7, .div = 14 },
  552. { .val = 8, .div = 16 },
  553. { /* sentinel */ },
  554. };
  555. static struct clk_regmap meson8b_cpu_scale_div = {
  556. .data = &(struct clk_regmap_div_data){
  557. .offset = HHI_SYS_CPU_CLK_CNTL1,
  558. .shift = 20,
  559. .width = 9,
  560. .table = cpu_scale_table,
  561. .flags = CLK_DIVIDER_ALLOW_ZERO,
  562. },
  563. .hw.init = &(struct clk_init_data){
  564. .name = "cpu_scale_div",
  565. .ops = &clk_regmap_divider_ro_ops,
  566. .parent_names = (const char *[]){ "cpu_in_sel" },
  567. .num_parents = 1,
  568. .flags = CLK_SET_RATE_PARENT,
  569. },
  570. };
  571. static struct clk_regmap meson8b_cpu_scale_out_sel = {
  572. .data = &(struct clk_regmap_mux_data){
  573. .offset = HHI_SYS_CPU_CLK_CNTL0,
  574. .mask = 0x3,
  575. .shift = 2,
  576. },
  577. .hw.init = &(struct clk_init_data){
  578. .name = "cpu_scale_out_sel",
  579. .ops = &clk_regmap_mux_ro_ops,
  580. .parent_names = (const char *[]) { "cpu_in_sel",
  581. "cpu_div2",
  582. "cpu_div3",
  583. "cpu_scale_div" },
  584. .num_parents = 4,
  585. .flags = CLK_SET_RATE_PARENT,
  586. },
  587. };
  588. static struct clk_regmap meson8b_cpu_clk = {
  589. .data = &(struct clk_regmap_mux_data){
  590. .offset = HHI_SYS_CPU_CLK_CNTL0,
  591. .mask = 0x1,
  592. .shift = 7,
  593. },
  594. .hw.init = &(struct clk_init_data){
  595. .name = "cpu_clk",
  596. .ops = &clk_regmap_mux_ro_ops,
  597. .parent_names = (const char *[]){ "xtal",
  598. "cpu_scale_out_sel" },
  599. .num_parents = 2,
  600. .flags = (CLK_SET_RATE_PARENT |
  601. CLK_SET_RATE_NO_REPARENT),
  602. },
  603. };
  604. static struct clk_regmap meson8b_nand_clk_sel = {
  605. .data = &(struct clk_regmap_mux_data){
  606. .offset = HHI_NAND_CLK_CNTL,
  607. .mask = 0x7,
  608. .shift = 9,
  609. .flags = CLK_MUX_ROUND_CLOSEST,
  610. },
  611. .hw.init = &(struct clk_init_data){
  612. .name = "nand_clk_sel",
  613. .ops = &clk_regmap_mux_ops,
  614. /* FIXME all other parents are unknown: */
  615. .parent_names = (const char *[]){ "fclk_div4", "fclk_div3",
  616. "fclk_div5", "fclk_div7", "xtal" },
  617. .num_parents = 5,
  618. .flags = CLK_SET_RATE_PARENT,
  619. },
  620. };
  621. static struct clk_regmap meson8b_nand_clk_div = {
  622. .data = &(struct clk_regmap_div_data){
  623. .offset = HHI_NAND_CLK_CNTL,
  624. .shift = 0,
  625. .width = 7,
  626. .flags = CLK_DIVIDER_ROUND_CLOSEST,
  627. },
  628. .hw.init = &(struct clk_init_data){
  629. .name = "nand_clk_div",
  630. .ops = &clk_regmap_divider_ops,
  631. .parent_names = (const char *[]){ "nand_clk_sel" },
  632. .num_parents = 1,
  633. .flags = CLK_SET_RATE_PARENT,
  634. },
  635. };
  636. static struct clk_regmap meson8b_nand_clk_gate = {
  637. .data = &(struct clk_regmap_gate_data){
  638. .offset = HHI_NAND_CLK_CNTL,
  639. .bit_idx = 8,
  640. },
  641. .hw.init = &(struct clk_init_data){
  642. .name = "nand_clk_gate",
  643. .ops = &clk_regmap_gate_ops,
  644. .parent_names = (const char *[]){ "nand_clk_div" },
  645. .num_parents = 1,
  646. .flags = CLK_SET_RATE_PARENT,
  647. },
  648. };
  649. /* Everything Else (EE) domain gates */
  650. static MESON_GATE(meson8b_ddr, HHI_GCLK_MPEG0, 0);
  651. static MESON_GATE(meson8b_dos, HHI_GCLK_MPEG0, 1);
  652. static MESON_GATE(meson8b_isa, HHI_GCLK_MPEG0, 5);
  653. static MESON_GATE(meson8b_pl301, HHI_GCLK_MPEG0, 6);
  654. static MESON_GATE(meson8b_periphs, HHI_GCLK_MPEG0, 7);
  655. static MESON_GATE(meson8b_spicc, HHI_GCLK_MPEG0, 8);
  656. static MESON_GATE(meson8b_i2c, HHI_GCLK_MPEG0, 9);
  657. static MESON_GATE(meson8b_sar_adc, HHI_GCLK_MPEG0, 10);
  658. static MESON_GATE(meson8b_smart_card, HHI_GCLK_MPEG0, 11);
  659. static MESON_GATE(meson8b_rng0, HHI_GCLK_MPEG0, 12);
  660. static MESON_GATE(meson8b_uart0, HHI_GCLK_MPEG0, 13);
  661. static MESON_GATE(meson8b_sdhc, HHI_GCLK_MPEG0, 14);
  662. static MESON_GATE(meson8b_stream, HHI_GCLK_MPEG0, 15);
  663. static MESON_GATE(meson8b_async_fifo, HHI_GCLK_MPEG0, 16);
  664. static MESON_GATE(meson8b_sdio, HHI_GCLK_MPEG0, 17);
  665. static MESON_GATE(meson8b_abuf, HHI_GCLK_MPEG0, 18);
  666. static MESON_GATE(meson8b_hiu_iface, HHI_GCLK_MPEG0, 19);
  667. static MESON_GATE(meson8b_assist_misc, HHI_GCLK_MPEG0, 23);
  668. static MESON_GATE(meson8b_spi, HHI_GCLK_MPEG0, 30);
  669. static MESON_GATE(meson8b_i2s_spdif, HHI_GCLK_MPEG1, 2);
  670. static MESON_GATE(meson8b_eth, HHI_GCLK_MPEG1, 3);
  671. static MESON_GATE(meson8b_demux, HHI_GCLK_MPEG1, 4);
  672. static MESON_GATE(meson8b_aiu_glue, HHI_GCLK_MPEG1, 6);
  673. static MESON_GATE(meson8b_iec958, HHI_GCLK_MPEG1, 7);
  674. static MESON_GATE(meson8b_i2s_out, HHI_GCLK_MPEG1, 8);
  675. static MESON_GATE(meson8b_amclk, HHI_GCLK_MPEG1, 9);
  676. static MESON_GATE(meson8b_aififo2, HHI_GCLK_MPEG1, 10);
  677. static MESON_GATE(meson8b_mixer, HHI_GCLK_MPEG1, 11);
  678. static MESON_GATE(meson8b_mixer_iface, HHI_GCLK_MPEG1, 12);
  679. static MESON_GATE(meson8b_adc, HHI_GCLK_MPEG1, 13);
  680. static MESON_GATE(meson8b_blkmv, HHI_GCLK_MPEG1, 14);
  681. static MESON_GATE(meson8b_aiu, HHI_GCLK_MPEG1, 15);
  682. static MESON_GATE(meson8b_uart1, HHI_GCLK_MPEG1, 16);
  683. static MESON_GATE(meson8b_g2d, HHI_GCLK_MPEG1, 20);
  684. static MESON_GATE(meson8b_usb0, HHI_GCLK_MPEG1, 21);
  685. static MESON_GATE(meson8b_usb1, HHI_GCLK_MPEG1, 22);
  686. static MESON_GATE(meson8b_reset, HHI_GCLK_MPEG1, 23);
  687. static MESON_GATE(meson8b_nand, HHI_GCLK_MPEG1, 24);
  688. static MESON_GATE(meson8b_dos_parser, HHI_GCLK_MPEG1, 25);
  689. static MESON_GATE(meson8b_usb, HHI_GCLK_MPEG1, 26);
  690. static MESON_GATE(meson8b_vdin1, HHI_GCLK_MPEG1, 28);
  691. static MESON_GATE(meson8b_ahb_arb0, HHI_GCLK_MPEG1, 29);
  692. static MESON_GATE(meson8b_efuse, HHI_GCLK_MPEG1, 30);
  693. static MESON_GATE(meson8b_boot_rom, HHI_GCLK_MPEG1, 31);
  694. static MESON_GATE(meson8b_ahb_data_bus, HHI_GCLK_MPEG2, 1);
  695. static MESON_GATE(meson8b_ahb_ctrl_bus, HHI_GCLK_MPEG2, 2);
  696. static MESON_GATE(meson8b_hdmi_intr_sync, HHI_GCLK_MPEG2, 3);
  697. static MESON_GATE(meson8b_hdmi_pclk, HHI_GCLK_MPEG2, 4);
  698. static MESON_GATE(meson8b_usb1_ddr_bridge, HHI_GCLK_MPEG2, 8);
  699. static MESON_GATE(meson8b_usb0_ddr_bridge, HHI_GCLK_MPEG2, 9);
  700. static MESON_GATE(meson8b_mmc_pclk, HHI_GCLK_MPEG2, 11);
  701. static MESON_GATE(meson8b_dvin, HHI_GCLK_MPEG2, 12);
  702. static MESON_GATE(meson8b_uart2, HHI_GCLK_MPEG2, 15);
  703. static MESON_GATE(meson8b_sana, HHI_GCLK_MPEG2, 22);
  704. static MESON_GATE(meson8b_vpu_intr, HHI_GCLK_MPEG2, 25);
  705. static MESON_GATE(meson8b_sec_ahb_ahb3_bridge, HHI_GCLK_MPEG2, 26);
  706. static MESON_GATE(meson8b_clk81_a9, HHI_GCLK_MPEG2, 29);
  707. static MESON_GATE(meson8b_vclk2_venci0, HHI_GCLK_OTHER, 1);
  708. static MESON_GATE(meson8b_vclk2_venci1, HHI_GCLK_OTHER, 2);
  709. static MESON_GATE(meson8b_vclk2_vencp0, HHI_GCLK_OTHER, 3);
  710. static MESON_GATE(meson8b_vclk2_vencp1, HHI_GCLK_OTHER, 4);
  711. static MESON_GATE(meson8b_gclk_venci_int, HHI_GCLK_OTHER, 8);
  712. static MESON_GATE(meson8b_gclk_vencp_int, HHI_GCLK_OTHER, 9);
  713. static MESON_GATE(meson8b_dac_clk, HHI_GCLK_OTHER, 10);
  714. static MESON_GATE(meson8b_aoclk_gate, HHI_GCLK_OTHER, 14);
  715. static MESON_GATE(meson8b_iec958_gate, HHI_GCLK_OTHER, 16);
  716. static MESON_GATE(meson8b_enc480p, HHI_GCLK_OTHER, 20);
  717. static MESON_GATE(meson8b_rng1, HHI_GCLK_OTHER, 21);
  718. static MESON_GATE(meson8b_gclk_vencl_int, HHI_GCLK_OTHER, 22);
  719. static MESON_GATE(meson8b_vclk2_venclmcc, HHI_GCLK_OTHER, 24);
  720. static MESON_GATE(meson8b_vclk2_vencl, HHI_GCLK_OTHER, 25);
  721. static MESON_GATE(meson8b_vclk2_other, HHI_GCLK_OTHER, 26);
  722. static MESON_GATE(meson8b_edp, HHI_GCLK_OTHER, 31);
  723. /* Always On (AO) domain gates */
  724. static MESON_GATE(meson8b_ao_media_cpu, HHI_GCLK_AO, 0);
  725. static MESON_GATE(meson8b_ao_ahb_sram, HHI_GCLK_AO, 1);
  726. static MESON_GATE(meson8b_ao_ahb_bus, HHI_GCLK_AO, 2);
  727. static MESON_GATE(meson8b_ao_iface, HHI_GCLK_AO, 3);
  728. static struct clk_hw_onecell_data meson8b_hw_onecell_data = {
  729. .hws = {
  730. [CLKID_XTAL] = &meson8b_xtal.hw,
  731. [CLKID_PLL_FIXED] = &meson8b_fixed_pll.hw,
  732. [CLKID_PLL_VID] = &meson8b_vid_pll.hw,
  733. [CLKID_PLL_SYS] = &meson8b_sys_pll.hw,
  734. [CLKID_FCLK_DIV2] = &meson8b_fclk_div2.hw,
  735. [CLKID_FCLK_DIV3] = &meson8b_fclk_div3.hw,
  736. [CLKID_FCLK_DIV4] = &meson8b_fclk_div4.hw,
  737. [CLKID_FCLK_DIV5] = &meson8b_fclk_div5.hw,
  738. [CLKID_FCLK_DIV7] = &meson8b_fclk_div7.hw,
  739. [CLKID_CPUCLK] = &meson8b_cpu_clk.hw,
  740. [CLKID_MPEG_SEL] = &meson8b_mpeg_clk_sel.hw,
  741. [CLKID_MPEG_DIV] = &meson8b_mpeg_clk_div.hw,
  742. [CLKID_CLK81] = &meson8b_clk81.hw,
  743. [CLKID_DDR] = &meson8b_ddr.hw,
  744. [CLKID_DOS] = &meson8b_dos.hw,
  745. [CLKID_ISA] = &meson8b_isa.hw,
  746. [CLKID_PL301] = &meson8b_pl301.hw,
  747. [CLKID_PERIPHS] = &meson8b_periphs.hw,
  748. [CLKID_SPICC] = &meson8b_spicc.hw,
  749. [CLKID_I2C] = &meson8b_i2c.hw,
  750. [CLKID_SAR_ADC] = &meson8b_sar_adc.hw,
  751. [CLKID_SMART_CARD] = &meson8b_smart_card.hw,
  752. [CLKID_RNG0] = &meson8b_rng0.hw,
  753. [CLKID_UART0] = &meson8b_uart0.hw,
  754. [CLKID_SDHC] = &meson8b_sdhc.hw,
  755. [CLKID_STREAM] = &meson8b_stream.hw,
  756. [CLKID_ASYNC_FIFO] = &meson8b_async_fifo.hw,
  757. [CLKID_SDIO] = &meson8b_sdio.hw,
  758. [CLKID_ABUF] = &meson8b_abuf.hw,
  759. [CLKID_HIU_IFACE] = &meson8b_hiu_iface.hw,
  760. [CLKID_ASSIST_MISC] = &meson8b_assist_misc.hw,
  761. [CLKID_SPI] = &meson8b_spi.hw,
  762. [CLKID_I2S_SPDIF] = &meson8b_i2s_spdif.hw,
  763. [CLKID_ETH] = &meson8b_eth.hw,
  764. [CLKID_DEMUX] = &meson8b_demux.hw,
  765. [CLKID_AIU_GLUE] = &meson8b_aiu_glue.hw,
  766. [CLKID_IEC958] = &meson8b_iec958.hw,
  767. [CLKID_I2S_OUT] = &meson8b_i2s_out.hw,
  768. [CLKID_AMCLK] = &meson8b_amclk.hw,
  769. [CLKID_AIFIFO2] = &meson8b_aififo2.hw,
  770. [CLKID_MIXER] = &meson8b_mixer.hw,
  771. [CLKID_MIXER_IFACE] = &meson8b_mixer_iface.hw,
  772. [CLKID_ADC] = &meson8b_adc.hw,
  773. [CLKID_BLKMV] = &meson8b_blkmv.hw,
  774. [CLKID_AIU] = &meson8b_aiu.hw,
  775. [CLKID_UART1] = &meson8b_uart1.hw,
  776. [CLKID_G2D] = &meson8b_g2d.hw,
  777. [CLKID_USB0] = &meson8b_usb0.hw,
  778. [CLKID_USB1] = &meson8b_usb1.hw,
  779. [CLKID_RESET] = &meson8b_reset.hw,
  780. [CLKID_NAND] = &meson8b_nand.hw,
  781. [CLKID_DOS_PARSER] = &meson8b_dos_parser.hw,
  782. [CLKID_USB] = &meson8b_usb.hw,
  783. [CLKID_VDIN1] = &meson8b_vdin1.hw,
  784. [CLKID_AHB_ARB0] = &meson8b_ahb_arb0.hw,
  785. [CLKID_EFUSE] = &meson8b_efuse.hw,
  786. [CLKID_BOOT_ROM] = &meson8b_boot_rom.hw,
  787. [CLKID_AHB_DATA_BUS] = &meson8b_ahb_data_bus.hw,
  788. [CLKID_AHB_CTRL_BUS] = &meson8b_ahb_ctrl_bus.hw,
  789. [CLKID_HDMI_INTR_SYNC] = &meson8b_hdmi_intr_sync.hw,
  790. [CLKID_HDMI_PCLK] = &meson8b_hdmi_pclk.hw,
  791. [CLKID_USB1_DDR_BRIDGE] = &meson8b_usb1_ddr_bridge.hw,
  792. [CLKID_USB0_DDR_BRIDGE] = &meson8b_usb0_ddr_bridge.hw,
  793. [CLKID_MMC_PCLK] = &meson8b_mmc_pclk.hw,
  794. [CLKID_DVIN] = &meson8b_dvin.hw,
  795. [CLKID_UART2] = &meson8b_uart2.hw,
  796. [CLKID_SANA] = &meson8b_sana.hw,
  797. [CLKID_VPU_INTR] = &meson8b_vpu_intr.hw,
  798. [CLKID_SEC_AHB_AHB3_BRIDGE] = &meson8b_sec_ahb_ahb3_bridge.hw,
  799. [CLKID_CLK81_A9] = &meson8b_clk81_a9.hw,
  800. [CLKID_VCLK2_VENCI0] = &meson8b_vclk2_venci0.hw,
  801. [CLKID_VCLK2_VENCI1] = &meson8b_vclk2_venci1.hw,
  802. [CLKID_VCLK2_VENCP0] = &meson8b_vclk2_vencp0.hw,
  803. [CLKID_VCLK2_VENCP1] = &meson8b_vclk2_vencp1.hw,
  804. [CLKID_GCLK_VENCI_INT] = &meson8b_gclk_venci_int.hw,
  805. [CLKID_GCLK_VENCP_INT] = &meson8b_gclk_vencp_int.hw,
  806. [CLKID_DAC_CLK] = &meson8b_dac_clk.hw,
  807. [CLKID_AOCLK_GATE] = &meson8b_aoclk_gate.hw,
  808. [CLKID_IEC958_GATE] = &meson8b_iec958_gate.hw,
  809. [CLKID_ENC480P] = &meson8b_enc480p.hw,
  810. [CLKID_RNG1] = &meson8b_rng1.hw,
  811. [CLKID_GCLK_VENCL_INT] = &meson8b_gclk_vencl_int.hw,
  812. [CLKID_VCLK2_VENCLMCC] = &meson8b_vclk2_venclmcc.hw,
  813. [CLKID_VCLK2_VENCL] = &meson8b_vclk2_vencl.hw,
  814. [CLKID_VCLK2_OTHER] = &meson8b_vclk2_other.hw,
  815. [CLKID_EDP] = &meson8b_edp.hw,
  816. [CLKID_AO_MEDIA_CPU] = &meson8b_ao_media_cpu.hw,
  817. [CLKID_AO_AHB_SRAM] = &meson8b_ao_ahb_sram.hw,
  818. [CLKID_AO_AHB_BUS] = &meson8b_ao_ahb_bus.hw,
  819. [CLKID_AO_IFACE] = &meson8b_ao_iface.hw,
  820. [CLKID_MPLL0] = &meson8b_mpll0.hw,
  821. [CLKID_MPLL1] = &meson8b_mpll1.hw,
  822. [CLKID_MPLL2] = &meson8b_mpll2.hw,
  823. [CLKID_MPLL0_DIV] = &meson8b_mpll0_div.hw,
  824. [CLKID_MPLL1_DIV] = &meson8b_mpll1_div.hw,
  825. [CLKID_MPLL2_DIV] = &meson8b_mpll2_div.hw,
  826. [CLKID_CPU_IN_SEL] = &meson8b_cpu_in_sel.hw,
  827. [CLKID_CPU_DIV2] = &meson8b_cpu_div2.hw,
  828. [CLKID_CPU_DIV3] = &meson8b_cpu_div3.hw,
  829. [CLKID_CPU_SCALE_DIV] = &meson8b_cpu_scale_div.hw,
  830. [CLKID_CPU_SCALE_OUT_SEL] = &meson8b_cpu_scale_out_sel.hw,
  831. [CLKID_MPLL_PREDIV] = &meson8b_mpll_prediv.hw,
  832. [CLKID_FCLK_DIV2_DIV] = &meson8b_fclk_div2_div.hw,
  833. [CLKID_FCLK_DIV3_DIV] = &meson8b_fclk_div3_div.hw,
  834. [CLKID_FCLK_DIV4_DIV] = &meson8b_fclk_div4_div.hw,
  835. [CLKID_FCLK_DIV5_DIV] = &meson8b_fclk_div5_div.hw,
  836. [CLKID_FCLK_DIV7_DIV] = &meson8b_fclk_div7_div.hw,
  837. [CLKID_NAND_SEL] = &meson8b_nand_clk_sel.hw,
  838. [CLKID_NAND_DIV] = &meson8b_nand_clk_div.hw,
  839. [CLKID_NAND_CLK] = &meson8b_nand_clk_gate.hw,
  840. [CLKID_PLL_FIXED_DCO] = &meson8b_fixed_pll_dco.hw,
  841. [CLKID_PLL_VID_DCO] = &meson8b_vid_pll_dco.hw,
  842. [CLKID_PLL_SYS_DCO] = &meson8b_sys_pll_dco.hw,
  843. [CLK_NR_CLKS] = NULL,
  844. },
  845. .num = CLK_NR_CLKS,
  846. };
  847. static struct clk_regmap *const meson8b_clk_regmaps[] = {
  848. &meson8b_clk81,
  849. &meson8b_ddr,
  850. &meson8b_dos,
  851. &meson8b_isa,
  852. &meson8b_pl301,
  853. &meson8b_periphs,
  854. &meson8b_spicc,
  855. &meson8b_i2c,
  856. &meson8b_sar_adc,
  857. &meson8b_smart_card,
  858. &meson8b_rng0,
  859. &meson8b_uart0,
  860. &meson8b_sdhc,
  861. &meson8b_stream,
  862. &meson8b_async_fifo,
  863. &meson8b_sdio,
  864. &meson8b_abuf,
  865. &meson8b_hiu_iface,
  866. &meson8b_assist_misc,
  867. &meson8b_spi,
  868. &meson8b_i2s_spdif,
  869. &meson8b_eth,
  870. &meson8b_demux,
  871. &meson8b_aiu_glue,
  872. &meson8b_iec958,
  873. &meson8b_i2s_out,
  874. &meson8b_amclk,
  875. &meson8b_aififo2,
  876. &meson8b_mixer,
  877. &meson8b_mixer_iface,
  878. &meson8b_adc,
  879. &meson8b_blkmv,
  880. &meson8b_aiu,
  881. &meson8b_uart1,
  882. &meson8b_g2d,
  883. &meson8b_usb0,
  884. &meson8b_usb1,
  885. &meson8b_reset,
  886. &meson8b_nand,
  887. &meson8b_dos_parser,
  888. &meson8b_usb,
  889. &meson8b_vdin1,
  890. &meson8b_ahb_arb0,
  891. &meson8b_efuse,
  892. &meson8b_boot_rom,
  893. &meson8b_ahb_data_bus,
  894. &meson8b_ahb_ctrl_bus,
  895. &meson8b_hdmi_intr_sync,
  896. &meson8b_hdmi_pclk,
  897. &meson8b_usb1_ddr_bridge,
  898. &meson8b_usb0_ddr_bridge,
  899. &meson8b_mmc_pclk,
  900. &meson8b_dvin,
  901. &meson8b_uart2,
  902. &meson8b_sana,
  903. &meson8b_vpu_intr,
  904. &meson8b_sec_ahb_ahb3_bridge,
  905. &meson8b_clk81_a9,
  906. &meson8b_vclk2_venci0,
  907. &meson8b_vclk2_venci1,
  908. &meson8b_vclk2_vencp0,
  909. &meson8b_vclk2_vencp1,
  910. &meson8b_gclk_venci_int,
  911. &meson8b_gclk_vencp_int,
  912. &meson8b_dac_clk,
  913. &meson8b_aoclk_gate,
  914. &meson8b_iec958_gate,
  915. &meson8b_enc480p,
  916. &meson8b_rng1,
  917. &meson8b_gclk_vencl_int,
  918. &meson8b_vclk2_venclmcc,
  919. &meson8b_vclk2_vencl,
  920. &meson8b_vclk2_other,
  921. &meson8b_edp,
  922. &meson8b_ao_media_cpu,
  923. &meson8b_ao_ahb_sram,
  924. &meson8b_ao_ahb_bus,
  925. &meson8b_ao_iface,
  926. &meson8b_mpeg_clk_div,
  927. &meson8b_mpeg_clk_sel,
  928. &meson8b_mpll0,
  929. &meson8b_mpll1,
  930. &meson8b_mpll2,
  931. &meson8b_mpll0_div,
  932. &meson8b_mpll1_div,
  933. &meson8b_mpll2_div,
  934. &meson8b_fixed_pll,
  935. &meson8b_vid_pll,
  936. &meson8b_sys_pll,
  937. &meson8b_cpu_in_sel,
  938. &meson8b_cpu_scale_div,
  939. &meson8b_cpu_scale_out_sel,
  940. &meson8b_cpu_clk,
  941. &meson8b_mpll_prediv,
  942. &meson8b_fclk_div2,
  943. &meson8b_fclk_div3,
  944. &meson8b_fclk_div4,
  945. &meson8b_fclk_div5,
  946. &meson8b_fclk_div7,
  947. &meson8b_nand_clk_sel,
  948. &meson8b_nand_clk_div,
  949. &meson8b_nand_clk_gate,
  950. &meson8b_fixed_pll_dco,
  951. &meson8b_vid_pll_dco,
  952. &meson8b_sys_pll_dco,
  953. };
  954. static const struct meson8b_clk_reset_line {
  955. u32 reg;
  956. u8 bit_idx;
  957. } meson8b_clk_reset_bits[] = {
  958. [CLKC_RESET_L2_CACHE_SOFT_RESET] = {
  959. .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 30
  960. },
  961. [CLKC_RESET_AXI_64_TO_128_BRIDGE_A5_SOFT_RESET] = {
  962. .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 29
  963. },
  964. [CLKC_RESET_SCU_SOFT_RESET] = {
  965. .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 28
  966. },
  967. [CLKC_RESET_CPU3_SOFT_RESET] = {
  968. .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 27
  969. },
  970. [CLKC_RESET_CPU2_SOFT_RESET] = {
  971. .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 26
  972. },
  973. [CLKC_RESET_CPU1_SOFT_RESET] = {
  974. .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 25
  975. },
  976. [CLKC_RESET_CPU0_SOFT_RESET] = {
  977. .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 24
  978. },
  979. [CLKC_RESET_A5_GLOBAL_RESET] = {
  980. .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 18
  981. },
  982. [CLKC_RESET_A5_AXI_SOFT_RESET] = {
  983. .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 17
  984. },
  985. [CLKC_RESET_A5_ABP_SOFT_RESET] = {
  986. .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 16
  987. },
  988. [CLKC_RESET_AXI_64_TO_128_BRIDGE_MMC_SOFT_RESET] = {
  989. .reg = HHI_SYS_CPU_CLK_CNTL1, .bit_idx = 30
  990. },
  991. [CLKC_RESET_VID_CLK_CNTL_SOFT_RESET] = {
  992. .reg = HHI_VID_CLK_CNTL, .bit_idx = 15
  993. },
  994. [CLKC_RESET_VID_DIVIDER_CNTL_SOFT_RESET_POST] = {
  995. .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 7
  996. },
  997. [CLKC_RESET_VID_DIVIDER_CNTL_SOFT_RESET_PRE] = {
  998. .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 3
  999. },
  1000. [CLKC_RESET_VID_DIVIDER_CNTL_RESET_N_POST] = {
  1001. .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 1
  1002. },
  1003. [CLKC_RESET_VID_DIVIDER_CNTL_RESET_N_PRE] = {
  1004. .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 0
  1005. },
  1006. };
  1007. static int meson8b_clk_reset_update(struct reset_controller_dev *rcdev,
  1008. unsigned long id, bool assert)
  1009. {
  1010. struct meson8b_clk_reset *meson8b_clk_reset =
  1011. container_of(rcdev, struct meson8b_clk_reset, reset);
  1012. unsigned long flags;
  1013. const struct meson8b_clk_reset_line *reset;
  1014. if (id >= ARRAY_SIZE(meson8b_clk_reset_bits))
  1015. return -EINVAL;
  1016. reset = &meson8b_clk_reset_bits[id];
  1017. spin_lock_irqsave(&meson_clk_lock, flags);
  1018. if (assert)
  1019. regmap_update_bits(meson8b_clk_reset->regmap, reset->reg,
  1020. BIT(reset->bit_idx), BIT(reset->bit_idx));
  1021. else
  1022. regmap_update_bits(meson8b_clk_reset->regmap, reset->reg,
  1023. BIT(reset->bit_idx), 0);
  1024. spin_unlock_irqrestore(&meson_clk_lock, flags);
  1025. return 0;
  1026. }
  1027. static int meson8b_clk_reset_assert(struct reset_controller_dev *rcdev,
  1028. unsigned long id)
  1029. {
  1030. return meson8b_clk_reset_update(rcdev, id, true);
  1031. }
  1032. static int meson8b_clk_reset_deassert(struct reset_controller_dev *rcdev,
  1033. unsigned long id)
  1034. {
  1035. return meson8b_clk_reset_update(rcdev, id, false);
  1036. }
  1037. static const struct reset_control_ops meson8b_clk_reset_ops = {
  1038. .assert = meson8b_clk_reset_assert,
  1039. .deassert = meson8b_clk_reset_deassert,
  1040. };
  1041. static const struct regmap_config clkc_regmap_config = {
  1042. .reg_bits = 32,
  1043. .val_bits = 32,
  1044. .reg_stride = 4,
  1045. };
  1046. static void __init meson8b_clkc_init(struct device_node *np)
  1047. {
  1048. struct meson8b_clk_reset *rstc;
  1049. void __iomem *clk_base;
  1050. struct regmap *map;
  1051. int i, ret;
  1052. /* Generic clocks, PLLs and some of the reset-bits */
  1053. clk_base = of_iomap(np, 1);
  1054. if (!clk_base) {
  1055. pr_err("%s: Unable to map clk base\n", __func__);
  1056. return;
  1057. }
  1058. map = regmap_init_mmio(NULL, clk_base, &clkc_regmap_config);
  1059. if (IS_ERR(map))
  1060. return;
  1061. rstc = kzalloc(sizeof(*rstc), GFP_KERNEL);
  1062. if (!rstc)
  1063. return;
  1064. /* Reset Controller */
  1065. rstc->regmap = map;
  1066. rstc->reset.ops = &meson8b_clk_reset_ops;
  1067. rstc->reset.nr_resets = ARRAY_SIZE(meson8b_clk_reset_bits);
  1068. rstc->reset.of_node = np;
  1069. ret = reset_controller_register(&rstc->reset);
  1070. if (ret) {
  1071. pr_err("%s: Failed to register clkc reset controller: %d\n",
  1072. __func__, ret);
  1073. return;
  1074. }
  1075. /* Populate regmap for the regmap backed clocks */
  1076. for (i = 0; i < ARRAY_SIZE(meson8b_clk_regmaps); i++)
  1077. meson8b_clk_regmaps[i]->map = map;
  1078. /*
  1079. * register all clks
  1080. * CLKID_UNUSED = 0, so skip it and start with CLKID_XTAL = 1
  1081. */
  1082. for (i = CLKID_XTAL; i < CLK_NR_CLKS; i++) {
  1083. /* array might be sparse */
  1084. if (!meson8b_hw_onecell_data.hws[i])
  1085. continue;
  1086. ret = clk_hw_register(NULL, meson8b_hw_onecell_data.hws[i]);
  1087. if (ret)
  1088. return;
  1089. }
  1090. ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get,
  1091. &meson8b_hw_onecell_data);
  1092. if (ret)
  1093. pr_err("%s: failed to register clock provider\n", __func__);
  1094. }
  1095. CLK_OF_DECLARE_DRIVER(meson8_clkc, "amlogic,meson8-clkc",
  1096. meson8b_clkc_init);
  1097. CLK_OF_DECLARE_DRIVER(meson8b_clkc, "amlogic,meson8b-clkc",
  1098. meson8b_clkc_init);
  1099. CLK_OF_DECLARE_DRIVER(meson8m2_clkc, "amlogic,meson8m2-clkc",
  1100. meson8b_clkc_init);