clock-exynos5.c 33 KB

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  1. /*
  2. * Copyright (c) 2012 Samsung Electronics Co., Ltd.
  3. * http://www.samsung.com
  4. *
  5. * Clock support for EXYNOS5 SoCs
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License version 2 as
  9. * published by the Free Software Foundation.
  10. */
  11. #include <linux/kernel.h>
  12. #include <linux/err.h>
  13. #include <linux/io.h>
  14. #include <linux/syscore_ops.h>
  15. #include <plat/cpu-freq.h>
  16. #include <plat/clock.h>
  17. #include <plat/cpu.h>
  18. #include <plat/pll.h>
  19. #include <plat/s5p-clock.h>
  20. #include <plat/clock-clksrc.h>
  21. #include <plat/pm.h>
  22. #include <mach/map.h>
  23. #include <mach/regs-clock.h>
  24. #include <mach/sysmmu.h>
  25. #include "common.h"
  26. #ifdef CONFIG_PM_SLEEP
  27. static struct sleep_save exynos5_clock_save[] = {
  28. /* will be implemented */
  29. };
  30. #endif
  31. static struct clk exynos5_clk_sclk_dptxphy = {
  32. .name = "sclk_dptx",
  33. };
  34. static struct clk exynos5_clk_sclk_hdmi24m = {
  35. .name = "sclk_hdmi24m",
  36. .rate = 24000000,
  37. };
  38. static struct clk exynos5_clk_sclk_hdmi27m = {
  39. .name = "sclk_hdmi27m",
  40. .rate = 27000000,
  41. };
  42. static struct clk exynos5_clk_sclk_hdmiphy = {
  43. .name = "sclk_hdmiphy",
  44. };
  45. static struct clk exynos5_clk_sclk_usbphy = {
  46. .name = "sclk_usbphy",
  47. .rate = 48000000,
  48. };
  49. static int exynos5_clksrc_mask_top_ctrl(struct clk *clk, int enable)
  50. {
  51. return s5p_gatectrl(EXYNOS5_CLKSRC_MASK_TOP, clk, enable);
  52. }
  53. static int exynos5_clksrc_mask_disp1_0_ctrl(struct clk *clk, int enable)
  54. {
  55. return s5p_gatectrl(EXYNOS5_CLKSRC_MASK_DISP1_0, clk, enable);
  56. }
  57. static int exynos5_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
  58. {
  59. return s5p_gatectrl(EXYNOS5_CLKSRC_MASK_FSYS, clk, enable);
  60. }
  61. static int exynos5_clksrc_mask_gscl_ctrl(struct clk *clk, int enable)
  62. {
  63. return s5p_gatectrl(EXYNOS5_CLKSRC_MASK_GSCL, clk, enable);
  64. }
  65. static int exynos5_clksrc_mask_peric0_ctrl(struct clk *clk, int enable)
  66. {
  67. return s5p_gatectrl(EXYNOS5_CLKSRC_MASK_PERIC0, clk, enable);
  68. }
  69. static int exynos5_clk_ip_core_ctrl(struct clk *clk, int enable)
  70. {
  71. return s5p_gatectrl(EXYNOS5_CLKGATE_IP_CORE, clk, enable);
  72. }
  73. static int exynos5_clk_ip_disp1_ctrl(struct clk *clk, int enable)
  74. {
  75. return s5p_gatectrl(EXYNOS5_CLKGATE_IP_DISP1, clk, enable);
  76. }
  77. static int exynos5_clk_ip_fsys_ctrl(struct clk *clk, int enable)
  78. {
  79. return s5p_gatectrl(EXYNOS5_CLKGATE_IP_FSYS, clk, enable);
  80. }
  81. static int exynos5_clk_block_ctrl(struct clk *clk, int enable)
  82. {
  83. return s5p_gatectrl(EXYNOS5_CLKGATE_BLOCK, clk, enable);
  84. }
  85. static int exynos5_clk_ip_gen_ctrl(struct clk *clk, int enable)
  86. {
  87. return s5p_gatectrl(EXYNOS5_CLKGATE_IP_GEN, clk, enable);
  88. }
  89. static int exynos5_clk_ip_gps_ctrl(struct clk *clk, int enable)
  90. {
  91. return s5p_gatectrl(EXYNOS5_CLKGATE_IP_GPS, clk, enable);
  92. }
  93. static int exynos5_clk_ip_mfc_ctrl(struct clk *clk, int enable)
  94. {
  95. return s5p_gatectrl(EXYNOS5_CLKGATE_IP_MFC, clk, enable);
  96. }
  97. static int exynos5_clk_ip_peric_ctrl(struct clk *clk, int enable)
  98. {
  99. return s5p_gatectrl(EXYNOS5_CLKGATE_IP_PERIC, clk, enable);
  100. }
  101. static int exynos5_clk_ip_peris_ctrl(struct clk *clk, int enable)
  102. {
  103. return s5p_gatectrl(EXYNOS5_CLKGATE_IP_PERIS, clk, enable);
  104. }
  105. /* Core list of CMU_CPU side */
  106. static struct clksrc_clk exynos5_clk_mout_apll = {
  107. .clk = {
  108. .name = "mout_apll",
  109. },
  110. .sources = &clk_src_apll,
  111. .reg_src = { .reg = EXYNOS5_CLKSRC_CPU, .shift = 0, .size = 1 },
  112. };
  113. static struct clksrc_clk exynos5_clk_sclk_apll = {
  114. .clk = {
  115. .name = "sclk_apll",
  116. .parent = &exynos5_clk_mout_apll.clk,
  117. },
  118. .reg_div = { .reg = EXYNOS5_CLKDIV_CPU0, .shift = 24, .size = 3 },
  119. };
  120. static struct clksrc_clk exynos5_clk_mout_bpll = {
  121. .clk = {
  122. .name = "mout_bpll",
  123. },
  124. .sources = &clk_src_bpll,
  125. .reg_src = { .reg = EXYNOS5_CLKSRC_CDREX, .shift = 0, .size = 1 },
  126. };
  127. static struct clk *exynos5_clk_src_bpll_user_list[] = {
  128. [0] = &clk_fin_mpll,
  129. [1] = &exynos5_clk_mout_bpll.clk,
  130. };
  131. static struct clksrc_sources exynos5_clk_src_bpll_user = {
  132. .sources = exynos5_clk_src_bpll_user_list,
  133. .nr_sources = ARRAY_SIZE(exynos5_clk_src_bpll_user_list),
  134. };
  135. static struct clksrc_clk exynos5_clk_mout_bpll_user = {
  136. .clk = {
  137. .name = "mout_bpll_user",
  138. },
  139. .sources = &exynos5_clk_src_bpll_user,
  140. .reg_src = { .reg = EXYNOS5_CLKSRC_TOP2, .shift = 24, .size = 1 },
  141. };
  142. static struct clksrc_clk exynos5_clk_mout_cpll = {
  143. .clk = {
  144. .name = "mout_cpll",
  145. },
  146. .sources = &clk_src_cpll,
  147. .reg_src = { .reg = EXYNOS5_CLKSRC_TOP2, .shift = 8, .size = 1 },
  148. };
  149. static struct clksrc_clk exynos5_clk_mout_epll = {
  150. .clk = {
  151. .name = "mout_epll",
  152. },
  153. .sources = &clk_src_epll,
  154. .reg_src = { .reg = EXYNOS5_CLKSRC_TOP2, .shift = 12, .size = 1 },
  155. };
  156. struct clksrc_clk exynos5_clk_mout_mpll = {
  157. .clk = {
  158. .name = "mout_mpll",
  159. },
  160. .sources = &clk_src_mpll,
  161. .reg_src = { .reg = EXYNOS5_CLKSRC_CORE1, .shift = 8, .size = 1 },
  162. };
  163. static struct clk *exynos_clkset_vpllsrc_list[] = {
  164. [0] = &clk_fin_vpll,
  165. [1] = &exynos5_clk_sclk_hdmi27m,
  166. };
  167. static struct clksrc_sources exynos5_clkset_vpllsrc = {
  168. .sources = exynos_clkset_vpllsrc_list,
  169. .nr_sources = ARRAY_SIZE(exynos_clkset_vpllsrc_list),
  170. };
  171. static struct clksrc_clk exynos5_clk_vpllsrc = {
  172. .clk = {
  173. .name = "vpll_src",
  174. .enable = exynos5_clksrc_mask_top_ctrl,
  175. .ctrlbit = (1 << 0),
  176. },
  177. .sources = &exynos5_clkset_vpllsrc,
  178. .reg_src = { .reg = EXYNOS5_CLKSRC_TOP2, .shift = 0, .size = 1 },
  179. };
  180. static struct clk *exynos5_clkset_sclk_vpll_list[] = {
  181. [0] = &exynos5_clk_vpllsrc.clk,
  182. [1] = &clk_fout_vpll,
  183. };
  184. static struct clksrc_sources exynos5_clkset_sclk_vpll = {
  185. .sources = exynos5_clkset_sclk_vpll_list,
  186. .nr_sources = ARRAY_SIZE(exynos5_clkset_sclk_vpll_list),
  187. };
  188. static struct clksrc_clk exynos5_clk_sclk_vpll = {
  189. .clk = {
  190. .name = "sclk_vpll",
  191. },
  192. .sources = &exynos5_clkset_sclk_vpll,
  193. .reg_src = { .reg = EXYNOS5_CLKSRC_TOP2, .shift = 16, .size = 1 },
  194. };
  195. static struct clksrc_clk exynos5_clk_sclk_pixel = {
  196. .clk = {
  197. .name = "sclk_pixel",
  198. .parent = &exynos5_clk_sclk_vpll.clk,
  199. },
  200. .reg_div = { .reg = EXYNOS5_CLKDIV_DISP1_0, .shift = 28, .size = 4 },
  201. };
  202. static struct clk *exynos5_clkset_sclk_hdmi_list[] = {
  203. [0] = &exynos5_clk_sclk_pixel.clk,
  204. [1] = &exynos5_clk_sclk_hdmiphy,
  205. };
  206. static struct clksrc_sources exynos5_clkset_sclk_hdmi = {
  207. .sources = exynos5_clkset_sclk_hdmi_list,
  208. .nr_sources = ARRAY_SIZE(exynos5_clkset_sclk_hdmi_list),
  209. };
  210. static struct clksrc_clk exynos5_clk_sclk_hdmi = {
  211. .clk = {
  212. .name = "sclk_hdmi",
  213. .enable = exynos5_clksrc_mask_disp1_0_ctrl,
  214. .ctrlbit = (1 << 20),
  215. },
  216. .sources = &exynos5_clkset_sclk_hdmi,
  217. .reg_src = { .reg = EXYNOS5_CLKSRC_DISP1_0, .shift = 20, .size = 1 },
  218. };
  219. static struct clksrc_clk *exynos5_sclk_tv[] = {
  220. &exynos5_clk_sclk_pixel,
  221. &exynos5_clk_sclk_hdmi,
  222. };
  223. static struct clk *exynos5_clk_src_mpll_user_list[] = {
  224. [0] = &clk_fin_mpll,
  225. [1] = &exynos5_clk_mout_mpll.clk,
  226. };
  227. static struct clksrc_sources exynos5_clk_src_mpll_user = {
  228. .sources = exynos5_clk_src_mpll_user_list,
  229. .nr_sources = ARRAY_SIZE(exynos5_clk_src_mpll_user_list),
  230. };
  231. static struct clksrc_clk exynos5_clk_mout_mpll_user = {
  232. .clk = {
  233. .name = "mout_mpll_user",
  234. },
  235. .sources = &exynos5_clk_src_mpll_user,
  236. .reg_src = { .reg = EXYNOS5_CLKSRC_TOP2, .shift = 20, .size = 1 },
  237. };
  238. static struct clk *exynos5_clkset_mout_cpu_list[] = {
  239. [0] = &exynos5_clk_mout_apll.clk,
  240. [1] = &exynos5_clk_mout_mpll.clk,
  241. };
  242. static struct clksrc_sources exynos5_clkset_mout_cpu = {
  243. .sources = exynos5_clkset_mout_cpu_list,
  244. .nr_sources = ARRAY_SIZE(exynos5_clkset_mout_cpu_list),
  245. };
  246. static struct clksrc_clk exynos5_clk_mout_cpu = {
  247. .clk = {
  248. .name = "mout_cpu",
  249. },
  250. .sources = &exynos5_clkset_mout_cpu,
  251. .reg_src = { .reg = EXYNOS5_CLKSRC_CPU, .shift = 16, .size = 1 },
  252. };
  253. static struct clksrc_clk exynos5_clk_dout_armclk = {
  254. .clk = {
  255. .name = "dout_armclk",
  256. .parent = &exynos5_clk_mout_cpu.clk,
  257. },
  258. .reg_div = { .reg = EXYNOS5_CLKDIV_CPU0, .shift = 0, .size = 3 },
  259. };
  260. static struct clksrc_clk exynos5_clk_dout_arm2clk = {
  261. .clk = {
  262. .name = "dout_arm2clk",
  263. .parent = &exynos5_clk_dout_armclk.clk,
  264. },
  265. .reg_div = { .reg = EXYNOS5_CLKDIV_CPU0, .shift = 28, .size = 3 },
  266. };
  267. static struct clk exynos5_clk_armclk = {
  268. .name = "armclk",
  269. .parent = &exynos5_clk_dout_arm2clk.clk,
  270. };
  271. /* Core list of CMU_CDREX side */
  272. static struct clk *exynos5_clkset_cdrex_list[] = {
  273. [0] = &exynos5_clk_mout_mpll.clk,
  274. [1] = &exynos5_clk_mout_bpll.clk,
  275. };
  276. static struct clksrc_sources exynos5_clkset_cdrex = {
  277. .sources = exynos5_clkset_cdrex_list,
  278. .nr_sources = ARRAY_SIZE(exynos5_clkset_cdrex_list),
  279. };
  280. static struct clksrc_clk exynos5_clk_cdrex = {
  281. .clk = {
  282. .name = "clk_cdrex",
  283. },
  284. .sources = &exynos5_clkset_cdrex,
  285. .reg_src = { .reg = EXYNOS5_CLKSRC_CDREX, .shift = 4, .size = 1 },
  286. .reg_div = { .reg = EXYNOS5_CLKDIV_CDREX, .shift = 16, .size = 3 },
  287. };
  288. static struct clksrc_clk exynos5_clk_aclk_acp = {
  289. .clk = {
  290. .name = "aclk_acp",
  291. .parent = &exynos5_clk_mout_mpll.clk,
  292. },
  293. .reg_div = { .reg = EXYNOS5_CLKDIV_ACP, .shift = 0, .size = 3 },
  294. };
  295. static struct clksrc_clk exynos5_clk_pclk_acp = {
  296. .clk = {
  297. .name = "pclk_acp",
  298. .parent = &exynos5_clk_aclk_acp.clk,
  299. },
  300. .reg_div = { .reg = EXYNOS5_CLKDIV_ACP, .shift = 4, .size = 3 },
  301. };
  302. /* Core list of CMU_TOP side */
  303. struct clk *exynos5_clkset_aclk_top_list[] = {
  304. [0] = &exynos5_clk_mout_mpll_user.clk,
  305. [1] = &exynos5_clk_mout_bpll_user.clk,
  306. };
  307. struct clksrc_sources exynos5_clkset_aclk = {
  308. .sources = exynos5_clkset_aclk_top_list,
  309. .nr_sources = ARRAY_SIZE(exynos5_clkset_aclk_top_list),
  310. };
  311. static struct clksrc_clk exynos5_clk_aclk_400 = {
  312. .clk = {
  313. .name = "aclk_400",
  314. },
  315. .sources = &exynos5_clkset_aclk,
  316. .reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 20, .size = 1 },
  317. .reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 24, .size = 3 },
  318. };
  319. struct clk *exynos5_clkset_aclk_333_166_list[] = {
  320. [0] = &exynos5_clk_mout_cpll.clk,
  321. [1] = &exynos5_clk_mout_mpll_user.clk,
  322. };
  323. struct clksrc_sources exynos5_clkset_aclk_333_166 = {
  324. .sources = exynos5_clkset_aclk_333_166_list,
  325. .nr_sources = ARRAY_SIZE(exynos5_clkset_aclk_333_166_list),
  326. };
  327. static struct clksrc_clk exynos5_clk_aclk_333 = {
  328. .clk = {
  329. .name = "aclk_333",
  330. },
  331. .sources = &exynos5_clkset_aclk_333_166,
  332. .reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 16, .size = 1 },
  333. .reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 20, .size = 3 },
  334. };
  335. static struct clksrc_clk exynos5_clk_aclk_166 = {
  336. .clk = {
  337. .name = "aclk_166",
  338. },
  339. .sources = &exynos5_clkset_aclk_333_166,
  340. .reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 8, .size = 1 },
  341. .reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 8, .size = 3 },
  342. };
  343. static struct clksrc_clk exynos5_clk_aclk_266 = {
  344. .clk = {
  345. .name = "aclk_266",
  346. .parent = &exynos5_clk_mout_mpll_user.clk,
  347. },
  348. .reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 16, .size = 3 },
  349. };
  350. static struct clksrc_clk exynos5_clk_aclk_200 = {
  351. .clk = {
  352. .name = "aclk_200",
  353. },
  354. .sources = &exynos5_clkset_aclk,
  355. .reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 12, .size = 1 },
  356. .reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 12, .size = 3 },
  357. };
  358. static struct clksrc_clk exynos5_clk_aclk_66_pre = {
  359. .clk = {
  360. .name = "aclk_66_pre",
  361. .parent = &exynos5_clk_mout_mpll_user.clk,
  362. },
  363. .reg_div = { .reg = EXYNOS5_CLKDIV_TOP1, .shift = 24, .size = 3 },
  364. };
  365. static struct clksrc_clk exynos5_clk_aclk_66 = {
  366. .clk = {
  367. .name = "aclk_66",
  368. .parent = &exynos5_clk_aclk_66_pre.clk,
  369. },
  370. .reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 0, .size = 3 },
  371. };
  372. static struct clk exynos5_init_clocks_off[] = {
  373. {
  374. .name = "timers",
  375. .parent = &exynos5_clk_aclk_66.clk,
  376. .enable = exynos5_clk_ip_peric_ctrl,
  377. .ctrlbit = (1 << 24),
  378. }, {
  379. .name = "rtc",
  380. .parent = &exynos5_clk_aclk_66.clk,
  381. .enable = exynos5_clk_ip_peris_ctrl,
  382. .ctrlbit = (1 << 20),
  383. }, {
  384. .name = "hsmmc",
  385. .devname = "s3c-sdhci.0",
  386. .parent = &exynos5_clk_aclk_200.clk,
  387. .enable = exynos5_clk_ip_fsys_ctrl,
  388. .ctrlbit = (1 << 12),
  389. }, {
  390. .name = "hsmmc",
  391. .devname = "s3c-sdhci.1",
  392. .parent = &exynos5_clk_aclk_200.clk,
  393. .enable = exynos5_clk_ip_fsys_ctrl,
  394. .ctrlbit = (1 << 13),
  395. }, {
  396. .name = "hsmmc",
  397. .devname = "s3c-sdhci.2",
  398. .parent = &exynos5_clk_aclk_200.clk,
  399. .enable = exynos5_clk_ip_fsys_ctrl,
  400. .ctrlbit = (1 << 14),
  401. }, {
  402. .name = "hsmmc",
  403. .devname = "s3c-sdhci.3",
  404. .parent = &exynos5_clk_aclk_200.clk,
  405. .enable = exynos5_clk_ip_fsys_ctrl,
  406. .ctrlbit = (1 << 15),
  407. }, {
  408. .name = "dwmci",
  409. .parent = &exynos5_clk_aclk_200.clk,
  410. .enable = exynos5_clk_ip_fsys_ctrl,
  411. .ctrlbit = (1 << 16),
  412. }, {
  413. .name = "sata",
  414. .devname = "ahci",
  415. .enable = exynos5_clk_ip_fsys_ctrl,
  416. .ctrlbit = (1 << 6),
  417. }, {
  418. .name = "sata_phy",
  419. .enable = exynos5_clk_ip_fsys_ctrl,
  420. .ctrlbit = (1 << 24),
  421. }, {
  422. .name = "sata_phy_i2c",
  423. .enable = exynos5_clk_ip_fsys_ctrl,
  424. .ctrlbit = (1 << 25),
  425. }, {
  426. .name = "mfc",
  427. .devname = "s5p-mfc",
  428. .enable = exynos5_clk_ip_mfc_ctrl,
  429. .ctrlbit = (1 << 0),
  430. }, {
  431. .name = "hdmi",
  432. .devname = "exynos4-hdmi",
  433. .enable = exynos5_clk_ip_disp1_ctrl,
  434. .ctrlbit = (1 << 6),
  435. }, {
  436. .name = "mixer",
  437. .devname = "s5p-mixer",
  438. .enable = exynos5_clk_ip_disp1_ctrl,
  439. .ctrlbit = (1 << 5),
  440. }, {
  441. .name = "jpeg",
  442. .enable = exynos5_clk_ip_gen_ctrl,
  443. .ctrlbit = (1 << 2),
  444. }, {
  445. .name = "dsim0",
  446. .enable = exynos5_clk_ip_disp1_ctrl,
  447. .ctrlbit = (1 << 3),
  448. }, {
  449. .name = "iis",
  450. .devname = "samsung-i2s.1",
  451. .enable = exynos5_clk_ip_peric_ctrl,
  452. .ctrlbit = (1 << 20),
  453. }, {
  454. .name = "iis",
  455. .devname = "samsung-i2s.2",
  456. .enable = exynos5_clk_ip_peric_ctrl,
  457. .ctrlbit = (1 << 21),
  458. }, {
  459. .name = "pcm",
  460. .devname = "samsung-pcm.1",
  461. .enable = exynos5_clk_ip_peric_ctrl,
  462. .ctrlbit = (1 << 22),
  463. }, {
  464. .name = "pcm",
  465. .devname = "samsung-pcm.2",
  466. .enable = exynos5_clk_ip_peric_ctrl,
  467. .ctrlbit = (1 << 23),
  468. }, {
  469. .name = "spdif",
  470. .devname = "samsung-spdif",
  471. .enable = exynos5_clk_ip_peric_ctrl,
  472. .ctrlbit = (1 << 26),
  473. }, {
  474. .name = "ac97",
  475. .devname = "samsung-ac97",
  476. .enable = exynos5_clk_ip_peric_ctrl,
  477. .ctrlbit = (1 << 27),
  478. }, {
  479. .name = "usbhost",
  480. .enable = exynos5_clk_ip_fsys_ctrl ,
  481. .ctrlbit = (1 << 18),
  482. }, {
  483. .name = "usbotg",
  484. .enable = exynos5_clk_ip_fsys_ctrl,
  485. .ctrlbit = (1 << 7),
  486. }, {
  487. .name = "gps",
  488. .enable = exynos5_clk_ip_gps_ctrl,
  489. .ctrlbit = ((1 << 3) | (1 << 2) | (1 << 0)),
  490. }, {
  491. .name = "nfcon",
  492. .enable = exynos5_clk_ip_fsys_ctrl,
  493. .ctrlbit = (1 << 22),
  494. }, {
  495. .name = "iop",
  496. .enable = exynos5_clk_ip_fsys_ctrl,
  497. .ctrlbit = ((1 << 30) | (1 << 26) | (1 << 23)),
  498. }, {
  499. .name = "core_iop",
  500. .enable = exynos5_clk_ip_core_ctrl,
  501. .ctrlbit = ((1 << 21) | (1 << 3)),
  502. }, {
  503. .name = "mcu_iop",
  504. .enable = exynos5_clk_ip_fsys_ctrl,
  505. .ctrlbit = (1 << 0),
  506. }, {
  507. .name = "i2c",
  508. .devname = "s3c2440-i2c.0",
  509. .parent = &exynos5_clk_aclk_66.clk,
  510. .enable = exynos5_clk_ip_peric_ctrl,
  511. .ctrlbit = (1 << 6),
  512. }, {
  513. .name = "i2c",
  514. .devname = "s3c2440-i2c.1",
  515. .parent = &exynos5_clk_aclk_66.clk,
  516. .enable = exynos5_clk_ip_peric_ctrl,
  517. .ctrlbit = (1 << 7),
  518. }, {
  519. .name = "i2c",
  520. .devname = "s3c2440-i2c.2",
  521. .parent = &exynos5_clk_aclk_66.clk,
  522. .enable = exynos5_clk_ip_peric_ctrl,
  523. .ctrlbit = (1 << 8),
  524. }, {
  525. .name = "i2c",
  526. .devname = "s3c2440-i2c.3",
  527. .parent = &exynos5_clk_aclk_66.clk,
  528. .enable = exynos5_clk_ip_peric_ctrl,
  529. .ctrlbit = (1 << 9),
  530. }, {
  531. .name = "i2c",
  532. .devname = "s3c2440-i2c.4",
  533. .parent = &exynos5_clk_aclk_66.clk,
  534. .enable = exynos5_clk_ip_peric_ctrl,
  535. .ctrlbit = (1 << 10),
  536. }, {
  537. .name = "i2c",
  538. .devname = "s3c2440-i2c.5",
  539. .parent = &exynos5_clk_aclk_66.clk,
  540. .enable = exynos5_clk_ip_peric_ctrl,
  541. .ctrlbit = (1 << 11),
  542. }, {
  543. .name = "i2c",
  544. .devname = "s3c2440-i2c.6",
  545. .parent = &exynos5_clk_aclk_66.clk,
  546. .enable = exynos5_clk_ip_peric_ctrl,
  547. .ctrlbit = (1 << 12),
  548. }, {
  549. .name = "i2c",
  550. .devname = "s3c2440-i2c.7",
  551. .parent = &exynos5_clk_aclk_66.clk,
  552. .enable = exynos5_clk_ip_peric_ctrl,
  553. .ctrlbit = (1 << 13),
  554. }, {
  555. .name = "i2c",
  556. .devname = "s3c2440-hdmiphy-i2c",
  557. .parent = &exynos5_clk_aclk_66.clk,
  558. .enable = exynos5_clk_ip_peric_ctrl,
  559. .ctrlbit = (1 << 14),
  560. }
  561. };
  562. static struct clk exynos5_init_clocks_on[] = {
  563. {
  564. .name = "uart",
  565. .devname = "s5pv210-uart.0",
  566. .enable = exynos5_clk_ip_peric_ctrl,
  567. .ctrlbit = (1 << 0),
  568. }, {
  569. .name = "uart",
  570. .devname = "s5pv210-uart.1",
  571. .enable = exynos5_clk_ip_peric_ctrl,
  572. .ctrlbit = (1 << 1),
  573. }, {
  574. .name = "uart",
  575. .devname = "s5pv210-uart.2",
  576. .enable = exynos5_clk_ip_peric_ctrl,
  577. .ctrlbit = (1 << 2),
  578. }, {
  579. .name = "uart",
  580. .devname = "s5pv210-uart.3",
  581. .enable = exynos5_clk_ip_peric_ctrl,
  582. .ctrlbit = (1 << 3),
  583. }, {
  584. .name = "uart",
  585. .devname = "s5pv210-uart.4",
  586. .enable = exynos5_clk_ip_peric_ctrl,
  587. .ctrlbit = (1 << 4),
  588. }, {
  589. .name = "uart",
  590. .devname = "s5pv210-uart.5",
  591. .enable = exynos5_clk_ip_peric_ctrl,
  592. .ctrlbit = (1 << 5),
  593. }
  594. };
  595. static struct clk exynos5_clk_pdma0 = {
  596. .name = "dma",
  597. .devname = "dma-pl330.0",
  598. .enable = exynos5_clk_ip_fsys_ctrl,
  599. .ctrlbit = (1 << 1),
  600. };
  601. static struct clk exynos5_clk_pdma1 = {
  602. .name = "dma",
  603. .devname = "dma-pl330.1",
  604. .enable = exynos5_clk_ip_fsys_ctrl,
  605. .ctrlbit = (1 << 1),
  606. };
  607. static struct clk exynos5_clk_mdma1 = {
  608. .name = "dma",
  609. .devname = "dma-pl330.2",
  610. .enable = exynos5_clk_ip_gen_ctrl,
  611. .ctrlbit = (1 << 4),
  612. };
  613. struct clk *exynos5_clkset_group_list[] = {
  614. [0] = &clk_ext_xtal_mux,
  615. [1] = NULL,
  616. [2] = &exynos5_clk_sclk_hdmi24m,
  617. [3] = &exynos5_clk_sclk_dptxphy,
  618. [4] = &exynos5_clk_sclk_usbphy,
  619. [5] = &exynos5_clk_sclk_hdmiphy,
  620. [6] = &exynos5_clk_mout_mpll_user.clk,
  621. [7] = &exynos5_clk_mout_epll.clk,
  622. [8] = &exynos5_clk_sclk_vpll.clk,
  623. [9] = &exynos5_clk_mout_cpll.clk,
  624. };
  625. struct clksrc_sources exynos5_clkset_group = {
  626. .sources = exynos5_clkset_group_list,
  627. .nr_sources = ARRAY_SIZE(exynos5_clkset_group_list),
  628. };
  629. /* Possible clock sources for aclk_266_gscl_sub Mux */
  630. static struct clk *clk_src_gscl_266_list[] = {
  631. [0] = &clk_ext_xtal_mux,
  632. [1] = &exynos5_clk_aclk_266.clk,
  633. };
  634. static struct clksrc_sources clk_src_gscl_266 = {
  635. .sources = clk_src_gscl_266_list,
  636. .nr_sources = ARRAY_SIZE(clk_src_gscl_266_list),
  637. };
  638. static struct clksrc_clk exynos5_clk_dout_mmc0 = {
  639. .clk = {
  640. .name = "dout_mmc0",
  641. },
  642. .sources = &exynos5_clkset_group,
  643. .reg_src = { .reg = EXYNOS5_CLKSRC_FSYS, .shift = 0, .size = 4 },
  644. .reg_div = { .reg = EXYNOS5_CLKDIV_FSYS1, .shift = 0, .size = 4 },
  645. };
  646. static struct clksrc_clk exynos5_clk_dout_mmc1 = {
  647. .clk = {
  648. .name = "dout_mmc1",
  649. },
  650. .sources = &exynos5_clkset_group,
  651. .reg_src = { .reg = EXYNOS5_CLKSRC_FSYS, .shift = 4, .size = 4 },
  652. .reg_div = { .reg = EXYNOS5_CLKDIV_FSYS1, .shift = 16, .size = 4 },
  653. };
  654. static struct clksrc_clk exynos5_clk_dout_mmc2 = {
  655. .clk = {
  656. .name = "dout_mmc2",
  657. },
  658. .sources = &exynos5_clkset_group,
  659. .reg_src = { .reg = EXYNOS5_CLKSRC_FSYS, .shift = 8, .size = 4 },
  660. .reg_div = { .reg = EXYNOS5_CLKDIV_FSYS2, .shift = 0, .size = 4 },
  661. };
  662. static struct clksrc_clk exynos5_clk_dout_mmc3 = {
  663. .clk = {
  664. .name = "dout_mmc3",
  665. },
  666. .sources = &exynos5_clkset_group,
  667. .reg_src = { .reg = EXYNOS5_CLKSRC_FSYS, .shift = 12, .size = 4 },
  668. .reg_div = { .reg = EXYNOS5_CLKDIV_FSYS2, .shift = 16, .size = 4 },
  669. };
  670. static struct clksrc_clk exynos5_clk_dout_mmc4 = {
  671. .clk = {
  672. .name = "dout_mmc4",
  673. },
  674. .sources = &exynos5_clkset_group,
  675. .reg_src = { .reg = EXYNOS5_CLKSRC_FSYS, .shift = 16, .size = 4 },
  676. .reg_div = { .reg = EXYNOS5_CLKDIV_FSYS3, .shift = 0, .size = 4 },
  677. };
  678. static struct clksrc_clk exynos5_clk_sclk_uart0 = {
  679. .clk = {
  680. .name = "uclk1",
  681. .devname = "exynos4210-uart.0",
  682. .enable = exynos5_clksrc_mask_peric0_ctrl,
  683. .ctrlbit = (1 << 0),
  684. },
  685. .sources = &exynos5_clkset_group,
  686. .reg_src = { .reg = EXYNOS5_CLKSRC_PERIC0, .shift = 0, .size = 4 },
  687. .reg_div = { .reg = EXYNOS5_CLKDIV_PERIC0, .shift = 0, .size = 4 },
  688. };
  689. static struct clksrc_clk exynos5_clk_sclk_uart1 = {
  690. .clk = {
  691. .name = "uclk1",
  692. .devname = "exynos4210-uart.1",
  693. .enable = exynos5_clksrc_mask_peric0_ctrl,
  694. .ctrlbit = (1 << 4),
  695. },
  696. .sources = &exynos5_clkset_group,
  697. .reg_src = { .reg = EXYNOS5_CLKSRC_PERIC0, .shift = 4, .size = 4 },
  698. .reg_div = { .reg = EXYNOS5_CLKDIV_PERIC0, .shift = 4, .size = 4 },
  699. };
  700. static struct clksrc_clk exynos5_clk_sclk_uart2 = {
  701. .clk = {
  702. .name = "uclk1",
  703. .devname = "exynos4210-uart.2",
  704. .enable = exynos5_clksrc_mask_peric0_ctrl,
  705. .ctrlbit = (1 << 8),
  706. },
  707. .sources = &exynos5_clkset_group,
  708. .reg_src = { .reg = EXYNOS5_CLKSRC_PERIC0, .shift = 8, .size = 4 },
  709. .reg_div = { .reg = EXYNOS5_CLKDIV_PERIC0, .shift = 8, .size = 4 },
  710. };
  711. static struct clksrc_clk exynos5_clk_sclk_uart3 = {
  712. .clk = {
  713. .name = "uclk1",
  714. .devname = "exynos4210-uart.3",
  715. .enable = exynos5_clksrc_mask_peric0_ctrl,
  716. .ctrlbit = (1 << 12),
  717. },
  718. .sources = &exynos5_clkset_group,
  719. .reg_src = { .reg = EXYNOS5_CLKSRC_PERIC0, .shift = 12, .size = 4 },
  720. .reg_div = { .reg = EXYNOS5_CLKDIV_PERIC0, .shift = 12, .size = 4 },
  721. };
  722. static struct clksrc_clk exynos5_clk_sclk_mmc0 = {
  723. .clk = {
  724. .name = "sclk_mmc",
  725. .devname = "s3c-sdhci.0",
  726. .parent = &exynos5_clk_dout_mmc0.clk,
  727. .enable = exynos5_clksrc_mask_fsys_ctrl,
  728. .ctrlbit = (1 << 0),
  729. },
  730. .reg_div = { .reg = EXYNOS5_CLKDIV_FSYS1, .shift = 8, .size = 8 },
  731. };
  732. static struct clksrc_clk exynos5_clk_sclk_mmc1 = {
  733. .clk = {
  734. .name = "sclk_mmc",
  735. .devname = "s3c-sdhci.1",
  736. .parent = &exynos5_clk_dout_mmc1.clk,
  737. .enable = exynos5_clksrc_mask_fsys_ctrl,
  738. .ctrlbit = (1 << 4),
  739. },
  740. .reg_div = { .reg = EXYNOS5_CLKDIV_FSYS1, .shift = 24, .size = 8 },
  741. };
  742. static struct clksrc_clk exynos5_clk_sclk_mmc2 = {
  743. .clk = {
  744. .name = "sclk_mmc",
  745. .devname = "s3c-sdhci.2",
  746. .parent = &exynos5_clk_dout_mmc2.clk,
  747. .enable = exynos5_clksrc_mask_fsys_ctrl,
  748. .ctrlbit = (1 << 8),
  749. },
  750. .reg_div = { .reg = EXYNOS5_CLKDIV_FSYS2, .shift = 8, .size = 8 },
  751. };
  752. static struct clksrc_clk exynos5_clk_sclk_mmc3 = {
  753. .clk = {
  754. .name = "sclk_mmc",
  755. .devname = "s3c-sdhci.3",
  756. .parent = &exynos5_clk_dout_mmc3.clk,
  757. .enable = exynos5_clksrc_mask_fsys_ctrl,
  758. .ctrlbit = (1 << 12),
  759. },
  760. .reg_div = { .reg = EXYNOS5_CLKDIV_FSYS2, .shift = 24, .size = 8 },
  761. };
  762. static struct clksrc_clk exynos5_clksrcs[] = {
  763. {
  764. .clk = {
  765. .name = "sclk_dwmci",
  766. .parent = &exynos5_clk_dout_mmc4.clk,
  767. .enable = exynos5_clksrc_mask_fsys_ctrl,
  768. .ctrlbit = (1 << 16),
  769. },
  770. .reg_div = { .reg = EXYNOS5_CLKDIV_FSYS3, .shift = 8, .size = 8 },
  771. }, {
  772. .clk = {
  773. .name = "sclk_fimd",
  774. .devname = "s3cfb.1",
  775. .enable = exynos5_clksrc_mask_disp1_0_ctrl,
  776. .ctrlbit = (1 << 0),
  777. },
  778. .sources = &exynos5_clkset_group,
  779. .reg_src = { .reg = EXYNOS5_CLKSRC_DISP1_0, .shift = 0, .size = 4 },
  780. .reg_div = { .reg = EXYNOS5_CLKDIV_DISP1_0, .shift = 0, .size = 4 },
  781. }, {
  782. .clk = {
  783. .name = "aclk_266_gscl",
  784. },
  785. .sources = &clk_src_gscl_266,
  786. .reg_src = { .reg = EXYNOS5_CLKSRC_TOP3, .shift = 8, .size = 1 },
  787. }, {
  788. .clk = {
  789. .name = "sclk_g3d",
  790. .devname = "mali-t604.0",
  791. .enable = exynos5_clk_block_ctrl,
  792. .ctrlbit = (1 << 1),
  793. },
  794. .sources = &exynos5_clkset_aclk,
  795. .reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 20, .size = 1 },
  796. .reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 24, .size = 3 },
  797. }, {
  798. .clk = {
  799. .name = "sclk_gscl_wrap",
  800. .devname = "s5p-mipi-csis.0",
  801. .enable = exynos5_clksrc_mask_gscl_ctrl,
  802. .ctrlbit = (1 << 24),
  803. },
  804. .sources = &exynos5_clkset_group,
  805. .reg_src = { .reg = EXYNOS5_CLKSRC_GSCL, .shift = 24, .size = 4 },
  806. .reg_div = { .reg = EXYNOS5_CLKDIV_GSCL, .shift = 24, .size = 4 },
  807. }, {
  808. .clk = {
  809. .name = "sclk_gscl_wrap",
  810. .devname = "s5p-mipi-csis.1",
  811. .enable = exynos5_clksrc_mask_gscl_ctrl,
  812. .ctrlbit = (1 << 28),
  813. },
  814. .sources = &exynos5_clkset_group,
  815. .reg_src = { .reg = EXYNOS5_CLKSRC_GSCL, .shift = 28, .size = 4 },
  816. .reg_div = { .reg = EXYNOS5_CLKDIV_GSCL, .shift = 28, .size = 4 },
  817. }, {
  818. .clk = {
  819. .name = "sclk_cam0",
  820. .enable = exynos5_clksrc_mask_gscl_ctrl,
  821. .ctrlbit = (1 << 16),
  822. },
  823. .sources = &exynos5_clkset_group,
  824. .reg_src = { .reg = EXYNOS5_CLKSRC_GSCL, .shift = 16, .size = 4 },
  825. .reg_div = { .reg = EXYNOS5_CLKDIV_GSCL, .shift = 16, .size = 4 },
  826. }, {
  827. .clk = {
  828. .name = "sclk_cam1",
  829. .enable = exynos5_clksrc_mask_gscl_ctrl,
  830. .ctrlbit = (1 << 20),
  831. },
  832. .sources = &exynos5_clkset_group,
  833. .reg_src = { .reg = EXYNOS5_CLKSRC_GSCL, .shift = 20, .size = 4 },
  834. .reg_div = { .reg = EXYNOS5_CLKDIV_GSCL, .shift = 20, .size = 4 },
  835. }, {
  836. .clk = {
  837. .name = "sclk_jpeg",
  838. .parent = &exynos5_clk_mout_cpll.clk,
  839. },
  840. .reg_div = { .reg = EXYNOS5_CLKDIV_GEN, .shift = 4, .size = 3 },
  841. },
  842. };
  843. /* Clock initialization code */
  844. static struct clksrc_clk *exynos5_sysclks[] = {
  845. &exynos5_clk_mout_apll,
  846. &exynos5_clk_sclk_apll,
  847. &exynos5_clk_mout_bpll,
  848. &exynos5_clk_mout_bpll_user,
  849. &exynos5_clk_mout_cpll,
  850. &exynos5_clk_mout_epll,
  851. &exynos5_clk_mout_mpll,
  852. &exynos5_clk_mout_mpll_user,
  853. &exynos5_clk_vpllsrc,
  854. &exynos5_clk_sclk_vpll,
  855. &exynos5_clk_mout_cpu,
  856. &exynos5_clk_dout_armclk,
  857. &exynos5_clk_dout_arm2clk,
  858. &exynos5_clk_cdrex,
  859. &exynos5_clk_aclk_400,
  860. &exynos5_clk_aclk_333,
  861. &exynos5_clk_aclk_266,
  862. &exynos5_clk_aclk_200,
  863. &exynos5_clk_aclk_166,
  864. &exynos5_clk_aclk_66_pre,
  865. &exynos5_clk_aclk_66,
  866. &exynos5_clk_dout_mmc0,
  867. &exynos5_clk_dout_mmc1,
  868. &exynos5_clk_dout_mmc2,
  869. &exynos5_clk_dout_mmc3,
  870. &exynos5_clk_dout_mmc4,
  871. &exynos5_clk_aclk_acp,
  872. &exynos5_clk_pclk_acp,
  873. };
  874. static struct clk *exynos5_clk_cdev[] = {
  875. &exynos5_clk_pdma0,
  876. &exynos5_clk_pdma1,
  877. &exynos5_clk_mdma1,
  878. };
  879. static struct clksrc_clk *exynos5_clksrc_cdev[] = {
  880. &exynos5_clk_sclk_uart0,
  881. &exynos5_clk_sclk_uart1,
  882. &exynos5_clk_sclk_uart2,
  883. &exynos5_clk_sclk_uart3,
  884. &exynos5_clk_sclk_mmc0,
  885. &exynos5_clk_sclk_mmc1,
  886. &exynos5_clk_sclk_mmc2,
  887. &exynos5_clk_sclk_mmc3,
  888. };
  889. static struct clk_lookup exynos5_clk_lookup[] = {
  890. CLKDEV_INIT("exynos4210-uart.0", "clk_uart_baud0", &exynos5_clk_sclk_uart0.clk),
  891. CLKDEV_INIT("exynos4210-uart.1", "clk_uart_baud0", &exynos5_clk_sclk_uart1.clk),
  892. CLKDEV_INIT("exynos4210-uart.2", "clk_uart_baud0", &exynos5_clk_sclk_uart2.clk),
  893. CLKDEV_INIT("exynos4210-uart.3", "clk_uart_baud0", &exynos5_clk_sclk_uart3.clk),
  894. CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &exynos5_clk_sclk_mmc0.clk),
  895. CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &exynos5_clk_sclk_mmc1.clk),
  896. CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &exynos5_clk_sclk_mmc2.clk),
  897. CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &exynos5_clk_sclk_mmc3.clk),
  898. CLKDEV_INIT("dma-pl330.0", "apb_pclk", &exynos5_clk_pdma0),
  899. CLKDEV_INIT("dma-pl330.1", "apb_pclk", &exynos5_clk_pdma1),
  900. CLKDEV_INIT("dma-pl330.2", "apb_pclk", &exynos5_clk_mdma1),
  901. };
  902. static unsigned long exynos5_epll_get_rate(struct clk *clk)
  903. {
  904. return clk->rate;
  905. }
  906. static struct clk *exynos5_clks[] __initdata = {
  907. &exynos5_clk_sclk_hdmi27m,
  908. &exynos5_clk_sclk_hdmiphy,
  909. &clk_fout_bpll,
  910. &clk_fout_cpll,
  911. &exynos5_clk_armclk,
  912. };
  913. static u32 epll_div[][6] = {
  914. { 192000000, 0, 48, 3, 1, 0 },
  915. { 180000000, 0, 45, 3, 1, 0 },
  916. { 73728000, 1, 73, 3, 3, 47710 },
  917. { 67737600, 1, 90, 4, 3, 20762 },
  918. { 49152000, 0, 49, 3, 3, 9961 },
  919. { 45158400, 0, 45, 3, 3, 10381 },
  920. { 180633600, 0, 45, 3, 1, 10381 },
  921. };
  922. static int exynos5_epll_set_rate(struct clk *clk, unsigned long rate)
  923. {
  924. unsigned int epll_con, epll_con_k;
  925. unsigned int i;
  926. unsigned int tmp;
  927. unsigned int epll_rate;
  928. unsigned int locktime;
  929. unsigned int lockcnt;
  930. /* Return if nothing changed */
  931. if (clk->rate == rate)
  932. return 0;
  933. if (clk->parent)
  934. epll_rate = clk_get_rate(clk->parent);
  935. else
  936. epll_rate = clk_ext_xtal_mux.rate;
  937. if (epll_rate != 24000000) {
  938. pr_err("Invalid Clock : recommended clock is 24MHz.\n");
  939. return -EINVAL;
  940. }
  941. epll_con = __raw_readl(EXYNOS5_EPLL_CON0);
  942. epll_con &= ~(0x1 << 27 | \
  943. PLL46XX_MDIV_MASK << PLL46XX_MDIV_SHIFT | \
  944. PLL46XX_PDIV_MASK << PLL46XX_PDIV_SHIFT | \
  945. PLL46XX_SDIV_MASK << PLL46XX_SDIV_SHIFT);
  946. for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
  947. if (epll_div[i][0] == rate) {
  948. epll_con_k = epll_div[i][5] << 0;
  949. epll_con |= epll_div[i][1] << 27;
  950. epll_con |= epll_div[i][2] << PLL46XX_MDIV_SHIFT;
  951. epll_con |= epll_div[i][3] << PLL46XX_PDIV_SHIFT;
  952. epll_con |= epll_div[i][4] << PLL46XX_SDIV_SHIFT;
  953. break;
  954. }
  955. }
  956. if (i == ARRAY_SIZE(epll_div)) {
  957. printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n",
  958. __func__);
  959. return -EINVAL;
  960. }
  961. epll_rate /= 1000000;
  962. /* 3000 max_cycls : specification data */
  963. locktime = 3000 / epll_rate * epll_div[i][3];
  964. lockcnt = locktime * 10000 / (10000 / epll_rate);
  965. __raw_writel(lockcnt, EXYNOS5_EPLL_LOCK);
  966. __raw_writel(epll_con, EXYNOS5_EPLL_CON0);
  967. __raw_writel(epll_con_k, EXYNOS5_EPLL_CON1);
  968. do {
  969. tmp = __raw_readl(EXYNOS5_EPLL_CON0);
  970. } while (!(tmp & 0x1 << EXYNOS5_EPLLCON0_LOCKED_SHIFT));
  971. clk->rate = rate;
  972. return 0;
  973. }
  974. static struct clk_ops exynos5_epll_ops = {
  975. .get_rate = exynos5_epll_get_rate,
  976. .set_rate = exynos5_epll_set_rate,
  977. };
  978. static int xtal_rate;
  979. static unsigned long exynos5_fout_apll_get_rate(struct clk *clk)
  980. {
  981. return s5p_get_pll35xx(xtal_rate, __raw_readl(EXYNOS5_APLL_CON0));
  982. }
  983. static struct clk_ops exynos5_fout_apll_ops = {
  984. .get_rate = exynos5_fout_apll_get_rate,
  985. };
  986. #ifdef CONFIG_PM
  987. static int exynos5_clock_suspend(void)
  988. {
  989. s3c_pm_do_save(exynos5_clock_save, ARRAY_SIZE(exynos5_clock_save));
  990. return 0;
  991. }
  992. static void exynos5_clock_resume(void)
  993. {
  994. s3c_pm_do_restore_core(exynos5_clock_save, ARRAY_SIZE(exynos5_clock_save));
  995. }
  996. #else
  997. #define exynos5_clock_suspend NULL
  998. #define exynos5_clock_resume NULL
  999. #endif
  1000. struct syscore_ops exynos5_clock_syscore_ops = {
  1001. .suspend = exynos5_clock_suspend,
  1002. .resume = exynos5_clock_resume,
  1003. };
  1004. void __init_or_cpufreq exynos5_setup_clocks(void)
  1005. {
  1006. struct clk *xtal_clk;
  1007. unsigned long apll;
  1008. unsigned long bpll;
  1009. unsigned long cpll;
  1010. unsigned long mpll;
  1011. unsigned long epll;
  1012. unsigned long vpll;
  1013. unsigned long vpllsrc;
  1014. unsigned long xtal;
  1015. unsigned long armclk;
  1016. unsigned long mout_cdrex;
  1017. unsigned long aclk_400;
  1018. unsigned long aclk_333;
  1019. unsigned long aclk_266;
  1020. unsigned long aclk_200;
  1021. unsigned long aclk_166;
  1022. unsigned long aclk_66;
  1023. unsigned int ptr;
  1024. printk(KERN_DEBUG "%s: registering clocks\n", __func__);
  1025. xtal_clk = clk_get(NULL, "xtal");
  1026. BUG_ON(IS_ERR(xtal_clk));
  1027. xtal = clk_get_rate(xtal_clk);
  1028. xtal_rate = xtal;
  1029. clk_put(xtal_clk);
  1030. printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
  1031. apll = s5p_get_pll35xx(xtal, __raw_readl(EXYNOS5_APLL_CON0));
  1032. bpll = s5p_get_pll35xx(xtal, __raw_readl(EXYNOS5_BPLL_CON0));
  1033. cpll = s5p_get_pll35xx(xtal, __raw_readl(EXYNOS5_CPLL_CON0));
  1034. mpll = s5p_get_pll35xx(xtal, __raw_readl(EXYNOS5_MPLL_CON0));
  1035. epll = s5p_get_pll36xx(xtal, __raw_readl(EXYNOS5_EPLL_CON0),
  1036. __raw_readl(EXYNOS5_EPLL_CON1));
  1037. vpllsrc = clk_get_rate(&exynos5_clk_vpllsrc.clk);
  1038. vpll = s5p_get_pll36xx(vpllsrc, __raw_readl(EXYNOS5_VPLL_CON0),
  1039. __raw_readl(EXYNOS5_VPLL_CON1));
  1040. clk_fout_apll.ops = &exynos5_fout_apll_ops;
  1041. clk_fout_bpll.rate = bpll;
  1042. clk_fout_cpll.rate = cpll;
  1043. clk_fout_mpll.rate = mpll;
  1044. clk_fout_epll.rate = epll;
  1045. clk_fout_vpll.rate = vpll;
  1046. printk(KERN_INFO "EXYNOS5: PLL settings, A=%ld, B=%ld, C=%ld\n"
  1047. "M=%ld, E=%ld V=%ld",
  1048. apll, bpll, cpll, mpll, epll, vpll);
  1049. armclk = clk_get_rate(&exynos5_clk_armclk);
  1050. mout_cdrex = clk_get_rate(&exynos5_clk_cdrex.clk);
  1051. aclk_400 = clk_get_rate(&exynos5_clk_aclk_400.clk);
  1052. aclk_333 = clk_get_rate(&exynos5_clk_aclk_333.clk);
  1053. aclk_266 = clk_get_rate(&exynos5_clk_aclk_266.clk);
  1054. aclk_200 = clk_get_rate(&exynos5_clk_aclk_200.clk);
  1055. aclk_166 = clk_get_rate(&exynos5_clk_aclk_166.clk);
  1056. aclk_66 = clk_get_rate(&exynos5_clk_aclk_66.clk);
  1057. printk(KERN_INFO "EXYNOS5: ARMCLK=%ld, CDREX=%ld, ACLK400=%ld\n"
  1058. "ACLK333=%ld, ACLK266=%ld, ACLK200=%ld\n"
  1059. "ACLK166=%ld, ACLK66=%ld\n",
  1060. armclk, mout_cdrex, aclk_400,
  1061. aclk_333, aclk_266, aclk_200,
  1062. aclk_166, aclk_66);
  1063. clk_fout_epll.ops = &exynos5_epll_ops;
  1064. if (clk_set_parent(&exynos5_clk_mout_epll.clk, &clk_fout_epll))
  1065. printk(KERN_ERR "Unable to set parent %s of clock %s.\n",
  1066. clk_fout_epll.name, exynos5_clk_mout_epll.clk.name);
  1067. clk_set_rate(&exynos5_clk_sclk_apll.clk, 100000000);
  1068. clk_set_rate(&exynos5_clk_aclk_266.clk, 300000000);
  1069. clk_set_rate(&exynos5_clk_aclk_acp.clk, 267000000);
  1070. clk_set_rate(&exynos5_clk_pclk_acp.clk, 134000000);
  1071. for (ptr = 0; ptr < ARRAY_SIZE(exynos5_clksrcs); ptr++)
  1072. s3c_set_clksrc(&exynos5_clksrcs[ptr], true);
  1073. }
  1074. void __init exynos5_register_clocks(void)
  1075. {
  1076. int ptr;
  1077. s3c24xx_register_clocks(exynos5_clks, ARRAY_SIZE(exynos5_clks));
  1078. for (ptr = 0; ptr < ARRAY_SIZE(exynos5_sysclks); ptr++)
  1079. s3c_register_clksrc(exynos5_sysclks[ptr], 1);
  1080. for (ptr = 0; ptr < ARRAY_SIZE(exynos5_sclk_tv); ptr++)
  1081. s3c_register_clksrc(exynos5_sclk_tv[ptr], 1);
  1082. for (ptr = 0; ptr < ARRAY_SIZE(exynos5_clksrc_cdev); ptr++)
  1083. s3c_register_clksrc(exynos5_clksrc_cdev[ptr], 1);
  1084. s3c_register_clksrc(exynos5_clksrcs, ARRAY_SIZE(exynos5_clksrcs));
  1085. s3c_register_clocks(exynos5_init_clocks_on, ARRAY_SIZE(exynos5_init_clocks_on));
  1086. s3c24xx_register_clocks(exynos5_clk_cdev, ARRAY_SIZE(exynos5_clk_cdev));
  1087. for (ptr = 0; ptr < ARRAY_SIZE(exynos5_clk_cdev); ptr++)
  1088. s3c_disable_clocks(exynos5_clk_cdev[ptr], 1);
  1089. s3c_register_clocks(exynos5_init_clocks_off, ARRAY_SIZE(exynos5_init_clocks_off));
  1090. s3c_disable_clocks(exynos5_init_clocks_off, ARRAY_SIZE(exynos5_init_clocks_off));
  1091. clkdev_add_table(exynos5_clk_lookup, ARRAY_SIZE(exynos5_clk_lookup));
  1092. register_syscore_ops(&exynos5_clock_syscore_ops);
  1093. s3c_pwmclk_init();
  1094. }