clock.c 26 KB

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  1. /* linux/arch/arm/mach-s5pv310/clock.c
  2. *
  3. * Copyright (c) 2010 Samsung Electronics Co., Ltd.
  4. * http://www.samsung.com/
  5. *
  6. * S5PV310 - Clock support
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License version 2 as
  10. * published by the Free Software Foundation.
  11. */
  12. #include <linux/kernel.h>
  13. #include <linux/err.h>
  14. #include <linux/io.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 <mach/map.h>
  22. #include <mach/regs-clock.h>
  23. static struct clk clk_sclk_hdmi27m = {
  24. .name = "sclk_hdmi27m",
  25. .id = -1,
  26. .rate = 27000000,
  27. };
  28. static struct clk clk_sclk_hdmiphy = {
  29. .name = "sclk_hdmiphy",
  30. .id = -1,
  31. };
  32. static struct clk clk_sclk_usbphy0 = {
  33. .name = "sclk_usbphy0",
  34. .id = -1,
  35. .rate = 27000000,
  36. };
  37. static struct clk clk_sclk_usbphy1 = {
  38. .name = "sclk_usbphy1",
  39. .id = -1,
  40. };
  41. static int s5pv310_clksrc_mask_top_ctrl(struct clk *clk, int enable)
  42. {
  43. return s5p_gatectrl(S5P_CLKSRC_MASK_TOP, clk, enable);
  44. }
  45. static int s5pv310_clksrc_mask_cam_ctrl(struct clk *clk, int enable)
  46. {
  47. return s5p_gatectrl(S5P_CLKSRC_MASK_CAM, clk, enable);
  48. }
  49. static int s5pv310_clksrc_mask_lcd0_ctrl(struct clk *clk, int enable)
  50. {
  51. return s5p_gatectrl(S5P_CLKSRC_MASK_LCD0, clk, enable);
  52. }
  53. static int s5pv310_clksrc_mask_lcd1_ctrl(struct clk *clk, int enable)
  54. {
  55. return s5p_gatectrl(S5P_CLKSRC_MASK_LCD1, clk, enable);
  56. }
  57. static int s5pv310_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
  58. {
  59. return s5p_gatectrl(S5P_CLKSRC_MASK_FSYS, clk, enable);
  60. }
  61. static int s5pv310_clksrc_mask_peril0_ctrl(struct clk *clk, int enable)
  62. {
  63. return s5p_gatectrl(S5P_CLKSRC_MASK_PERIL0, clk, enable);
  64. }
  65. static int s5pv310_clksrc_mask_peril1_ctrl(struct clk *clk, int enable)
  66. {
  67. return s5p_gatectrl(S5P_CLKSRC_MASK_PERIL1, clk, enable);
  68. }
  69. static int s5pv310_clk_ip_cam_ctrl(struct clk *clk, int enable)
  70. {
  71. return s5p_gatectrl(S5P_CLKGATE_IP_CAM, clk, enable);
  72. }
  73. static int s5pv310_clk_ip_image_ctrl(struct clk *clk, int enable)
  74. {
  75. return s5p_gatectrl(S5P_CLKGATE_IP_IMAGE, clk, enable);
  76. }
  77. static int s5pv310_clk_ip_lcd0_ctrl(struct clk *clk, int enable)
  78. {
  79. return s5p_gatectrl(S5P_CLKGATE_IP_LCD0, clk, enable);
  80. }
  81. static int s5pv310_clk_ip_lcd1_ctrl(struct clk *clk, int enable)
  82. {
  83. return s5p_gatectrl(S5P_CLKGATE_IP_LCD1, clk, enable);
  84. }
  85. static int s5pv310_clk_ip_fsys_ctrl(struct clk *clk, int enable)
  86. {
  87. return s5p_gatectrl(S5P_CLKGATE_IP_FSYS, clk, enable);
  88. }
  89. static int s5pv310_clk_ip_peril_ctrl(struct clk *clk, int enable)
  90. {
  91. return s5p_gatectrl(S5P_CLKGATE_IP_PERIL, clk, enable);
  92. }
  93. static int s5pv310_clk_ip_perir_ctrl(struct clk *clk, int enable)
  94. {
  95. return s5p_gatectrl(S5P_CLKGATE_IP_PERIR, clk, enable);
  96. }
  97. /* Core list of CMU_CPU side */
  98. static struct clksrc_clk clk_mout_apll = {
  99. .clk = {
  100. .name = "mout_apll",
  101. .id = -1,
  102. },
  103. .sources = &clk_src_apll,
  104. .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 0, .size = 1 },
  105. };
  106. static struct clksrc_clk clk_sclk_apll = {
  107. .clk = {
  108. .name = "sclk_apll",
  109. .id = -1,
  110. .parent = &clk_mout_apll.clk,
  111. },
  112. .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 24, .size = 3 },
  113. };
  114. static struct clksrc_clk clk_mout_epll = {
  115. .clk = {
  116. .name = "mout_epll",
  117. .id = -1,
  118. },
  119. .sources = &clk_src_epll,
  120. .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 4, .size = 1 },
  121. };
  122. static struct clksrc_clk clk_mout_mpll = {
  123. .clk = {
  124. .name = "mout_mpll",
  125. .id = -1,
  126. },
  127. .sources = &clk_src_mpll,
  128. .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 8, .size = 1 },
  129. };
  130. static struct clk *clkset_moutcore_list[] = {
  131. [0] = &clk_mout_apll.clk,
  132. [1] = &clk_mout_mpll.clk,
  133. };
  134. static struct clksrc_sources clkset_moutcore = {
  135. .sources = clkset_moutcore_list,
  136. .nr_sources = ARRAY_SIZE(clkset_moutcore_list),
  137. };
  138. static struct clksrc_clk clk_moutcore = {
  139. .clk = {
  140. .name = "moutcore",
  141. .id = -1,
  142. },
  143. .sources = &clkset_moutcore,
  144. .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 16, .size = 1 },
  145. };
  146. static struct clksrc_clk clk_coreclk = {
  147. .clk = {
  148. .name = "core_clk",
  149. .id = -1,
  150. .parent = &clk_moutcore.clk,
  151. },
  152. .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 0, .size = 3 },
  153. };
  154. static struct clksrc_clk clk_armclk = {
  155. .clk = {
  156. .name = "armclk",
  157. .id = -1,
  158. .parent = &clk_coreclk.clk,
  159. },
  160. };
  161. static struct clksrc_clk clk_aclk_corem0 = {
  162. .clk = {
  163. .name = "aclk_corem0",
  164. .id = -1,
  165. .parent = &clk_coreclk.clk,
  166. },
  167. .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 4, .size = 3 },
  168. };
  169. static struct clksrc_clk clk_aclk_cores = {
  170. .clk = {
  171. .name = "aclk_cores",
  172. .id = -1,
  173. .parent = &clk_coreclk.clk,
  174. },
  175. .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 4, .size = 3 },
  176. };
  177. static struct clksrc_clk clk_aclk_corem1 = {
  178. .clk = {
  179. .name = "aclk_corem1",
  180. .id = -1,
  181. .parent = &clk_coreclk.clk,
  182. },
  183. .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 8, .size = 3 },
  184. };
  185. static struct clksrc_clk clk_periphclk = {
  186. .clk = {
  187. .name = "periphclk",
  188. .id = -1,
  189. .parent = &clk_coreclk.clk,
  190. },
  191. .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 12, .size = 3 },
  192. };
  193. /* Core list of CMU_CORE side */
  194. static struct clk *clkset_corebus_list[] = {
  195. [0] = &clk_mout_mpll.clk,
  196. [1] = &clk_sclk_apll.clk,
  197. };
  198. static struct clksrc_sources clkset_mout_corebus = {
  199. .sources = clkset_corebus_list,
  200. .nr_sources = ARRAY_SIZE(clkset_corebus_list),
  201. };
  202. static struct clksrc_clk clk_mout_corebus = {
  203. .clk = {
  204. .name = "mout_corebus",
  205. .id = -1,
  206. },
  207. .sources = &clkset_mout_corebus,
  208. .reg_src = { .reg = S5P_CLKSRC_CORE, .shift = 4, .size = 1 },
  209. };
  210. static struct clksrc_clk clk_sclk_dmc = {
  211. .clk = {
  212. .name = "sclk_dmc",
  213. .id = -1,
  214. .parent = &clk_mout_corebus.clk,
  215. },
  216. .reg_div = { .reg = S5P_CLKDIV_CORE0, .shift = 12, .size = 3 },
  217. };
  218. static struct clksrc_clk clk_aclk_cored = {
  219. .clk = {
  220. .name = "aclk_cored",
  221. .id = -1,
  222. .parent = &clk_sclk_dmc.clk,
  223. },
  224. .reg_div = { .reg = S5P_CLKDIV_CORE0, .shift = 16, .size = 3 },
  225. };
  226. static struct clksrc_clk clk_aclk_corep = {
  227. .clk = {
  228. .name = "aclk_corep",
  229. .id = -1,
  230. .parent = &clk_aclk_cored.clk,
  231. },
  232. .reg_div = { .reg = S5P_CLKDIV_CORE0, .shift = 20, .size = 3 },
  233. };
  234. static struct clksrc_clk clk_aclk_acp = {
  235. .clk = {
  236. .name = "aclk_acp",
  237. .id = -1,
  238. .parent = &clk_mout_corebus.clk,
  239. },
  240. .reg_div = { .reg = S5P_CLKDIV_CORE0, .shift = 0, .size = 3 },
  241. };
  242. static struct clksrc_clk clk_pclk_acp = {
  243. .clk = {
  244. .name = "pclk_acp",
  245. .id = -1,
  246. .parent = &clk_aclk_acp.clk,
  247. },
  248. .reg_div = { .reg = S5P_CLKDIV_CORE0, .shift = 4, .size = 3 },
  249. };
  250. /* Core list of CMU_TOP side */
  251. static struct clk *clkset_aclk_top_list[] = {
  252. [0] = &clk_mout_mpll.clk,
  253. [1] = &clk_sclk_apll.clk,
  254. };
  255. static struct clksrc_sources clkset_aclk = {
  256. .sources = clkset_aclk_top_list,
  257. .nr_sources = ARRAY_SIZE(clkset_aclk_top_list),
  258. };
  259. static struct clksrc_clk clk_aclk_200 = {
  260. .clk = {
  261. .name = "aclk_200",
  262. .id = -1,
  263. },
  264. .sources = &clkset_aclk,
  265. .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 12, .size = 1 },
  266. .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 0, .size = 3 },
  267. };
  268. static struct clksrc_clk clk_aclk_100 = {
  269. .clk = {
  270. .name = "aclk_100",
  271. .id = -1,
  272. },
  273. .sources = &clkset_aclk,
  274. .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 16, .size = 1 },
  275. .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 4, .size = 4 },
  276. };
  277. static struct clksrc_clk clk_aclk_160 = {
  278. .clk = {
  279. .name = "aclk_160",
  280. .id = -1,
  281. },
  282. .sources = &clkset_aclk,
  283. .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 20, .size = 1 },
  284. .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 8, .size = 3 },
  285. };
  286. static struct clksrc_clk clk_aclk_133 = {
  287. .clk = {
  288. .name = "aclk_133",
  289. .id = -1,
  290. },
  291. .sources = &clkset_aclk,
  292. .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 24, .size = 1 },
  293. .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 12, .size = 3 },
  294. };
  295. static struct clk *clkset_vpllsrc_list[] = {
  296. [0] = &clk_fin_vpll,
  297. [1] = &clk_sclk_hdmi27m,
  298. };
  299. static struct clksrc_sources clkset_vpllsrc = {
  300. .sources = clkset_vpllsrc_list,
  301. .nr_sources = ARRAY_SIZE(clkset_vpllsrc_list),
  302. };
  303. static struct clksrc_clk clk_vpllsrc = {
  304. .clk = {
  305. .name = "vpll_src",
  306. .id = -1,
  307. .enable = s5pv310_clksrc_mask_top_ctrl,
  308. .ctrlbit = (1 << 0),
  309. },
  310. .sources = &clkset_vpllsrc,
  311. .reg_src = { .reg = S5P_CLKSRC_TOP1, .shift = 0, .size = 1 },
  312. };
  313. static struct clk *clkset_sclk_vpll_list[] = {
  314. [0] = &clk_vpllsrc.clk,
  315. [1] = &clk_fout_vpll,
  316. };
  317. static struct clksrc_sources clkset_sclk_vpll = {
  318. .sources = clkset_sclk_vpll_list,
  319. .nr_sources = ARRAY_SIZE(clkset_sclk_vpll_list),
  320. };
  321. static struct clksrc_clk clk_sclk_vpll = {
  322. .clk = {
  323. .name = "sclk_vpll",
  324. .id = -1,
  325. },
  326. .sources = &clkset_sclk_vpll,
  327. .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 8, .size = 1 },
  328. };
  329. static struct clk init_clocks_disable[] = {
  330. {
  331. .name = "timers",
  332. .id = -1,
  333. .parent = &clk_aclk_100.clk,
  334. .enable = s5pv310_clk_ip_peril_ctrl,
  335. .ctrlbit = (1<<24),
  336. }, {
  337. .name = "csis",
  338. .id = 0,
  339. .enable = s5pv310_clk_ip_cam_ctrl,
  340. .ctrlbit = (1 << 4),
  341. }, {
  342. .name = "csis",
  343. .id = 1,
  344. .enable = s5pv310_clk_ip_cam_ctrl,
  345. .ctrlbit = (1 << 5),
  346. }, {
  347. .name = "fimc",
  348. .id = 0,
  349. .enable = s5pv310_clk_ip_cam_ctrl,
  350. .ctrlbit = (1 << 0),
  351. }, {
  352. .name = "fimc",
  353. .id = 1,
  354. .enable = s5pv310_clk_ip_cam_ctrl,
  355. .ctrlbit = (1 << 1),
  356. }, {
  357. .name = "fimc",
  358. .id = 2,
  359. .enable = s5pv310_clk_ip_cam_ctrl,
  360. .ctrlbit = (1 << 2),
  361. }, {
  362. .name = "fimc",
  363. .id = 3,
  364. .enable = s5pv310_clk_ip_cam_ctrl,
  365. .ctrlbit = (1 << 3),
  366. }, {
  367. .name = "fimd",
  368. .id = 0,
  369. .enable = s5pv310_clk_ip_lcd0_ctrl,
  370. .ctrlbit = (1 << 0),
  371. }, {
  372. .name = "fimd",
  373. .id = 1,
  374. .enable = s5pv310_clk_ip_lcd1_ctrl,
  375. .ctrlbit = (1 << 0),
  376. }, {
  377. .name = "hsmmc",
  378. .id = 0,
  379. .parent = &clk_aclk_133.clk,
  380. .enable = s5pv310_clk_ip_fsys_ctrl,
  381. .ctrlbit = (1 << 5),
  382. }, {
  383. .name = "hsmmc",
  384. .id = 1,
  385. .parent = &clk_aclk_133.clk,
  386. .enable = s5pv310_clk_ip_fsys_ctrl,
  387. .ctrlbit = (1 << 6),
  388. }, {
  389. .name = "hsmmc",
  390. .id = 2,
  391. .parent = &clk_aclk_133.clk,
  392. .enable = s5pv310_clk_ip_fsys_ctrl,
  393. .ctrlbit = (1 << 7),
  394. }, {
  395. .name = "hsmmc",
  396. .id = 3,
  397. .parent = &clk_aclk_133.clk,
  398. .enable = s5pv310_clk_ip_fsys_ctrl,
  399. .ctrlbit = (1 << 8),
  400. }, {
  401. .name = "hsmmc",
  402. .id = 4,
  403. .parent = &clk_aclk_133.clk,
  404. .enable = s5pv310_clk_ip_fsys_ctrl,
  405. .ctrlbit = (1 << 9),
  406. }, {
  407. .name = "sata",
  408. .id = -1,
  409. .enable = s5pv310_clk_ip_fsys_ctrl,
  410. .ctrlbit = (1 << 10),
  411. }, {
  412. .name = "pdma",
  413. .id = 0,
  414. .enable = s5pv310_clk_ip_fsys_ctrl,
  415. .ctrlbit = (1 << 0),
  416. }, {
  417. .name = "pdma",
  418. .id = 1,
  419. .enable = s5pv310_clk_ip_fsys_ctrl,
  420. .ctrlbit = (1 << 1),
  421. }, {
  422. .name = "adc",
  423. .id = -1,
  424. .enable = s5pv310_clk_ip_peril_ctrl,
  425. .ctrlbit = (1 << 15),
  426. }, {
  427. .name = "rtc",
  428. .id = -1,
  429. .enable = s5pv310_clk_ip_perir_ctrl,
  430. .ctrlbit = (1 << 15),
  431. }, {
  432. .name = "watchdog",
  433. .id = -1,
  434. .enable = s5pv310_clk_ip_perir_ctrl,
  435. .ctrlbit = (1 << 14),
  436. }, {
  437. .name = "usbhost",
  438. .id = -1,
  439. .enable = s5pv310_clk_ip_fsys_ctrl ,
  440. .ctrlbit = (1 << 12),
  441. }, {
  442. .name = "otg",
  443. .id = -1,
  444. .enable = s5pv310_clk_ip_fsys_ctrl,
  445. .ctrlbit = (1 << 13),
  446. }, {
  447. .name = "spi",
  448. .id = 0,
  449. .enable = s5pv310_clk_ip_peril_ctrl,
  450. .ctrlbit = (1 << 16),
  451. }, {
  452. .name = "spi",
  453. .id = 1,
  454. .enable = s5pv310_clk_ip_peril_ctrl,
  455. .ctrlbit = (1 << 17),
  456. }, {
  457. .name = "spi",
  458. .id = 2,
  459. .enable = s5pv310_clk_ip_peril_ctrl,
  460. .ctrlbit = (1 << 18),
  461. }, {
  462. .name = "fimg2d",
  463. .id = -1,
  464. .enable = s5pv310_clk_ip_image_ctrl,
  465. .ctrlbit = (1 << 0),
  466. }, {
  467. .name = "i2c",
  468. .id = 0,
  469. .parent = &clk_aclk_100.clk,
  470. .enable = s5pv310_clk_ip_peril_ctrl,
  471. .ctrlbit = (1 << 6),
  472. }, {
  473. .name = "i2c",
  474. .id = 1,
  475. .parent = &clk_aclk_100.clk,
  476. .enable = s5pv310_clk_ip_peril_ctrl,
  477. .ctrlbit = (1 << 7),
  478. }, {
  479. .name = "i2c",
  480. .id = 2,
  481. .parent = &clk_aclk_100.clk,
  482. .enable = s5pv310_clk_ip_peril_ctrl,
  483. .ctrlbit = (1 << 8),
  484. }, {
  485. .name = "i2c",
  486. .id = 3,
  487. .parent = &clk_aclk_100.clk,
  488. .enable = s5pv310_clk_ip_peril_ctrl,
  489. .ctrlbit = (1 << 9),
  490. }, {
  491. .name = "i2c",
  492. .id = 4,
  493. .parent = &clk_aclk_100.clk,
  494. .enable = s5pv310_clk_ip_peril_ctrl,
  495. .ctrlbit = (1 << 10),
  496. }, {
  497. .name = "i2c",
  498. .id = 5,
  499. .parent = &clk_aclk_100.clk,
  500. .enable = s5pv310_clk_ip_peril_ctrl,
  501. .ctrlbit = (1 << 11),
  502. }, {
  503. .name = "i2c",
  504. .id = 6,
  505. .parent = &clk_aclk_100.clk,
  506. .enable = s5pv310_clk_ip_peril_ctrl,
  507. .ctrlbit = (1 << 12),
  508. }, {
  509. .name = "i2c",
  510. .id = 7,
  511. .parent = &clk_aclk_100.clk,
  512. .enable = s5pv310_clk_ip_peril_ctrl,
  513. .ctrlbit = (1 << 13),
  514. },
  515. };
  516. static struct clk init_clocks[] = {
  517. {
  518. .name = "uart",
  519. .id = 0,
  520. .enable = s5pv310_clk_ip_peril_ctrl,
  521. .ctrlbit = (1 << 0),
  522. }, {
  523. .name = "uart",
  524. .id = 1,
  525. .enable = s5pv310_clk_ip_peril_ctrl,
  526. .ctrlbit = (1 << 1),
  527. }, {
  528. .name = "uart",
  529. .id = 2,
  530. .enable = s5pv310_clk_ip_peril_ctrl,
  531. .ctrlbit = (1 << 2),
  532. }, {
  533. .name = "uart",
  534. .id = 3,
  535. .enable = s5pv310_clk_ip_peril_ctrl,
  536. .ctrlbit = (1 << 3),
  537. }, {
  538. .name = "uart",
  539. .id = 4,
  540. .enable = s5pv310_clk_ip_peril_ctrl,
  541. .ctrlbit = (1 << 4),
  542. }, {
  543. .name = "uart",
  544. .id = 5,
  545. .enable = s5pv310_clk_ip_peril_ctrl,
  546. .ctrlbit = (1 << 5),
  547. }
  548. };
  549. static struct clk *clkset_group_list[] = {
  550. [0] = &clk_ext_xtal_mux,
  551. [1] = &clk_xusbxti,
  552. [2] = &clk_sclk_hdmi27m,
  553. [3] = &clk_sclk_usbphy0,
  554. [4] = &clk_sclk_usbphy1,
  555. [5] = &clk_sclk_hdmiphy,
  556. [6] = &clk_mout_mpll.clk,
  557. [7] = &clk_mout_epll.clk,
  558. [8] = &clk_sclk_vpll.clk,
  559. };
  560. static struct clksrc_sources clkset_group = {
  561. .sources = clkset_group_list,
  562. .nr_sources = ARRAY_SIZE(clkset_group_list),
  563. };
  564. static struct clk *clkset_mout_g2d0_list[] = {
  565. [0] = &clk_mout_mpll.clk,
  566. [1] = &clk_sclk_apll.clk,
  567. };
  568. static struct clksrc_sources clkset_mout_g2d0 = {
  569. .sources = clkset_mout_g2d0_list,
  570. .nr_sources = ARRAY_SIZE(clkset_mout_g2d0_list),
  571. };
  572. static struct clksrc_clk clk_mout_g2d0 = {
  573. .clk = {
  574. .name = "mout_g2d0",
  575. .id = -1,
  576. },
  577. .sources = &clkset_mout_g2d0,
  578. .reg_src = { .reg = S5P_CLKSRC_IMAGE, .shift = 0, .size = 1 },
  579. };
  580. static struct clk *clkset_mout_g2d1_list[] = {
  581. [0] = &clk_mout_epll.clk,
  582. [1] = &clk_sclk_vpll.clk,
  583. };
  584. static struct clksrc_sources clkset_mout_g2d1 = {
  585. .sources = clkset_mout_g2d1_list,
  586. .nr_sources = ARRAY_SIZE(clkset_mout_g2d1_list),
  587. };
  588. static struct clksrc_clk clk_mout_g2d1 = {
  589. .clk = {
  590. .name = "mout_g2d1",
  591. .id = -1,
  592. },
  593. .sources = &clkset_mout_g2d1,
  594. .reg_src = { .reg = S5P_CLKSRC_IMAGE, .shift = 4, .size = 1 },
  595. };
  596. static struct clk *clkset_mout_g2d_list[] = {
  597. [0] = &clk_mout_g2d0.clk,
  598. [1] = &clk_mout_g2d1.clk,
  599. };
  600. static struct clksrc_sources clkset_mout_g2d = {
  601. .sources = clkset_mout_g2d_list,
  602. .nr_sources = ARRAY_SIZE(clkset_mout_g2d_list),
  603. };
  604. static struct clksrc_clk clk_dout_mmc0 = {
  605. .clk = {
  606. .name = "dout_mmc0",
  607. .id = -1,
  608. },
  609. .sources = &clkset_group,
  610. .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 0, .size = 4 },
  611. .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 0, .size = 4 },
  612. };
  613. static struct clksrc_clk clk_dout_mmc1 = {
  614. .clk = {
  615. .name = "dout_mmc1",
  616. .id = -1,
  617. },
  618. .sources = &clkset_group,
  619. .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 4, .size = 4 },
  620. .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 16, .size = 4 },
  621. };
  622. static struct clksrc_clk clk_dout_mmc2 = {
  623. .clk = {
  624. .name = "dout_mmc2",
  625. .id = -1,
  626. },
  627. .sources = &clkset_group,
  628. .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 8, .size = 4 },
  629. .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 0, .size = 4 },
  630. };
  631. static struct clksrc_clk clk_dout_mmc3 = {
  632. .clk = {
  633. .name = "dout_mmc3",
  634. .id = -1,
  635. },
  636. .sources = &clkset_group,
  637. .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 12, .size = 4 },
  638. .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 16, .size = 4 },
  639. };
  640. static struct clksrc_clk clk_dout_mmc4 = {
  641. .clk = {
  642. .name = "dout_mmc4",
  643. .id = -1,
  644. },
  645. .sources = &clkset_group,
  646. .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 16, .size = 4 },
  647. .reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 0, .size = 4 },
  648. };
  649. static struct clksrc_clk clksrcs[] = {
  650. {
  651. .clk = {
  652. .name = "uclk1",
  653. .id = 0,
  654. .enable = s5pv310_clksrc_mask_peril0_ctrl,
  655. .ctrlbit = (1 << 0),
  656. },
  657. .sources = &clkset_group,
  658. .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 0, .size = 4 },
  659. .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 0, .size = 4 },
  660. }, {
  661. .clk = {
  662. .name = "uclk1",
  663. .id = 1,
  664. .enable = s5pv310_clksrc_mask_peril0_ctrl,
  665. .ctrlbit = (1 << 4),
  666. },
  667. .sources = &clkset_group,
  668. .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 4, .size = 4 },
  669. .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 4, .size = 4 },
  670. }, {
  671. .clk = {
  672. .name = "uclk1",
  673. .id = 2,
  674. .enable = s5pv310_clksrc_mask_peril0_ctrl,
  675. .ctrlbit = (1 << 8),
  676. },
  677. .sources = &clkset_group,
  678. .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 8, .size = 4 },
  679. .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 8, .size = 4 },
  680. }, {
  681. .clk = {
  682. .name = "uclk1",
  683. .id = 3,
  684. .enable = s5pv310_clksrc_mask_peril0_ctrl,
  685. .ctrlbit = (1 << 12),
  686. },
  687. .sources = &clkset_group,
  688. .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 12, .size = 4 },
  689. .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 12, .size = 4 },
  690. }, {
  691. .clk = {
  692. .name = "sclk_pwm",
  693. .id = -1,
  694. .enable = s5pv310_clksrc_mask_peril0_ctrl,
  695. .ctrlbit = (1 << 24),
  696. },
  697. .sources = &clkset_group,
  698. .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 24, .size = 4 },
  699. .reg_div = { .reg = S5P_CLKDIV_PERIL3, .shift = 0, .size = 4 },
  700. }, {
  701. .clk = {
  702. .name = "sclk_csis",
  703. .id = 0,
  704. .enable = s5pv310_clksrc_mask_cam_ctrl,
  705. .ctrlbit = (1 << 24),
  706. },
  707. .sources = &clkset_group,
  708. .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 24, .size = 4 },
  709. .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 24, .size = 4 },
  710. }, {
  711. .clk = {
  712. .name = "sclk_csis",
  713. .id = 1,
  714. .enable = s5pv310_clksrc_mask_cam_ctrl,
  715. .ctrlbit = (1 << 28),
  716. },
  717. .sources = &clkset_group,
  718. .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 28, .size = 4 },
  719. .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 28, .size = 4 },
  720. }, {
  721. .clk = {
  722. .name = "sclk_cam",
  723. .id = 0,
  724. .enable = s5pv310_clksrc_mask_cam_ctrl,
  725. .ctrlbit = (1 << 16),
  726. },
  727. .sources = &clkset_group,
  728. .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 16, .size = 4 },
  729. .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 16, .size = 4 },
  730. }, {
  731. .clk = {
  732. .name = "sclk_cam",
  733. .id = 1,
  734. .enable = s5pv310_clksrc_mask_cam_ctrl,
  735. .ctrlbit = (1 << 20),
  736. },
  737. .sources = &clkset_group,
  738. .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 20, .size = 4 },
  739. .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 20, .size = 4 },
  740. }, {
  741. .clk = {
  742. .name = "sclk_fimc",
  743. .id = 0,
  744. .enable = s5pv310_clksrc_mask_cam_ctrl,
  745. .ctrlbit = (1 << 0),
  746. },
  747. .sources = &clkset_group,
  748. .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 0, .size = 4 },
  749. .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 0, .size = 4 },
  750. }, {
  751. .clk = {
  752. .name = "sclk_fimc",
  753. .id = 1,
  754. .enable = s5pv310_clksrc_mask_cam_ctrl,
  755. .ctrlbit = (1 << 4),
  756. },
  757. .sources = &clkset_group,
  758. .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 4, .size = 4 },
  759. .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 4, .size = 4 },
  760. }, {
  761. .clk = {
  762. .name = "sclk_fimc",
  763. .id = 2,
  764. .enable = s5pv310_clksrc_mask_cam_ctrl,
  765. .ctrlbit = (1 << 8),
  766. },
  767. .sources = &clkset_group,
  768. .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 8, .size = 4 },
  769. .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 8, .size = 4 },
  770. }, {
  771. .clk = {
  772. .name = "sclk_fimc",
  773. .id = 3,
  774. .enable = s5pv310_clksrc_mask_cam_ctrl,
  775. .ctrlbit = (1 << 12),
  776. },
  777. .sources = &clkset_group,
  778. .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 12, .size = 4 },
  779. .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 12, .size = 4 },
  780. }, {
  781. .clk = {
  782. .name = "sclk_fimd",
  783. .id = 0,
  784. .enable = s5pv310_clksrc_mask_lcd0_ctrl,
  785. .ctrlbit = (1 << 0),
  786. },
  787. .sources = &clkset_group,
  788. .reg_src = { .reg = S5P_CLKSRC_LCD0, .shift = 0, .size = 4 },
  789. .reg_div = { .reg = S5P_CLKDIV_LCD0, .shift = 0, .size = 4 },
  790. }, {
  791. .clk = {
  792. .name = "sclk_fimd",
  793. .id = 1,
  794. .enable = s5pv310_clksrc_mask_lcd1_ctrl,
  795. .ctrlbit = (1 << 0),
  796. },
  797. .sources = &clkset_group,
  798. .reg_src = { .reg = S5P_CLKSRC_LCD1, .shift = 0, .size = 4 },
  799. .reg_div = { .reg = S5P_CLKDIV_LCD1, .shift = 0, .size = 4 },
  800. }, {
  801. .clk = {
  802. .name = "sclk_sata",
  803. .id = -1,
  804. .enable = s5pv310_clksrc_mask_fsys_ctrl,
  805. .ctrlbit = (1 << 24),
  806. },
  807. .sources = &clkset_mout_corebus,
  808. .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 24, .size = 1 },
  809. .reg_div = { .reg = S5P_CLKDIV_FSYS0, .shift = 20, .size = 4 },
  810. }, {
  811. .clk = {
  812. .name = "sclk_spi",
  813. .id = 0,
  814. .enable = s5pv310_clksrc_mask_peril1_ctrl,
  815. .ctrlbit = (1 << 16),
  816. },
  817. .sources = &clkset_group,
  818. .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 16, .size = 4 },
  819. .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 0, .size = 4 },
  820. }, {
  821. .clk = {
  822. .name = "sclk_spi",
  823. .id = 1,
  824. .enable = s5pv310_clksrc_mask_peril1_ctrl,
  825. .ctrlbit = (1 << 20),
  826. },
  827. .sources = &clkset_group,
  828. .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 20, .size = 4 },
  829. .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 16, .size = 4 },
  830. }, {
  831. .clk = {
  832. .name = "sclk_spi",
  833. .id = 2,
  834. .enable = s5pv310_clksrc_mask_peril1_ctrl,
  835. .ctrlbit = (1 << 24),
  836. },
  837. .sources = &clkset_group,
  838. .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 24, .size = 4 },
  839. .reg_div = { .reg = S5P_CLKDIV_PERIL2, .shift = 0, .size = 4 },
  840. }, {
  841. .clk = {
  842. .name = "sclk_fimg2d",
  843. .id = -1,
  844. },
  845. .sources = &clkset_mout_g2d,
  846. .reg_src = { .reg = S5P_CLKSRC_IMAGE, .shift = 8, .size = 1 },
  847. .reg_div = { .reg = S5P_CLKDIV_IMAGE, .shift = 0, .size = 4 },
  848. }, {
  849. .clk = {
  850. .name = "sclk_mmc",
  851. .id = 0,
  852. .parent = &clk_dout_mmc0.clk,
  853. .enable = s5pv310_clksrc_mask_fsys_ctrl,
  854. .ctrlbit = (1 << 0),
  855. },
  856. .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 8, .size = 8 },
  857. }, {
  858. .clk = {
  859. .name = "sclk_mmc",
  860. .id = 1,
  861. .parent = &clk_dout_mmc1.clk,
  862. .enable = s5pv310_clksrc_mask_fsys_ctrl,
  863. .ctrlbit = (1 << 4),
  864. },
  865. .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 24, .size = 8 },
  866. }, {
  867. .clk = {
  868. .name = "sclk_mmc",
  869. .id = 2,
  870. .parent = &clk_dout_mmc2.clk,
  871. .enable = s5pv310_clksrc_mask_fsys_ctrl,
  872. .ctrlbit = (1 << 8),
  873. },
  874. .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 8, .size = 8 },
  875. }, {
  876. .clk = {
  877. .name = "sclk_mmc",
  878. .id = 3,
  879. .parent = &clk_dout_mmc3.clk,
  880. .enable = s5pv310_clksrc_mask_fsys_ctrl,
  881. .ctrlbit = (1 << 12),
  882. },
  883. .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 24, .size = 8 },
  884. }, {
  885. .clk = {
  886. .name = "sclk_mmc",
  887. .id = 4,
  888. .parent = &clk_dout_mmc4.clk,
  889. .enable = s5pv310_clksrc_mask_fsys_ctrl,
  890. .ctrlbit = (1 << 16),
  891. },
  892. .reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 8, .size = 8 },
  893. }
  894. };
  895. /* Clock initialization code */
  896. static struct clksrc_clk *sysclks[] = {
  897. &clk_mout_apll,
  898. &clk_sclk_apll,
  899. &clk_mout_epll,
  900. &clk_mout_mpll,
  901. &clk_moutcore,
  902. &clk_coreclk,
  903. &clk_armclk,
  904. &clk_aclk_corem0,
  905. &clk_aclk_cores,
  906. &clk_aclk_corem1,
  907. &clk_periphclk,
  908. &clk_mout_corebus,
  909. &clk_sclk_dmc,
  910. &clk_aclk_cored,
  911. &clk_aclk_corep,
  912. &clk_aclk_acp,
  913. &clk_pclk_acp,
  914. &clk_vpllsrc,
  915. &clk_sclk_vpll,
  916. &clk_aclk_200,
  917. &clk_aclk_100,
  918. &clk_aclk_160,
  919. &clk_aclk_133,
  920. &clk_dout_mmc0,
  921. &clk_dout_mmc1,
  922. &clk_dout_mmc2,
  923. &clk_dout_mmc3,
  924. &clk_dout_mmc4,
  925. };
  926. void __init_or_cpufreq s5pv310_setup_clocks(void)
  927. {
  928. struct clk *xtal_clk;
  929. unsigned long apll;
  930. unsigned long mpll;
  931. unsigned long epll;
  932. unsigned long vpll;
  933. unsigned long vpllsrc;
  934. unsigned long xtal;
  935. unsigned long armclk;
  936. unsigned long sclk_dmc;
  937. unsigned long aclk_200;
  938. unsigned long aclk_100;
  939. unsigned long aclk_160;
  940. unsigned long aclk_133;
  941. unsigned int ptr;
  942. printk(KERN_DEBUG "%s: registering clocks\n", __func__);
  943. xtal_clk = clk_get(NULL, "xtal");
  944. BUG_ON(IS_ERR(xtal_clk));
  945. xtal = clk_get_rate(xtal_clk);
  946. clk_put(xtal_clk);
  947. printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
  948. apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON0), pll_4508);
  949. mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON0), pll_4508);
  950. epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON0),
  951. __raw_readl(S5P_EPLL_CON1), pll_4600);
  952. vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
  953. vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
  954. __raw_readl(S5P_VPLL_CON1), pll_4650);
  955. clk_fout_apll.rate = apll;
  956. clk_fout_mpll.rate = mpll;
  957. clk_fout_epll.rate = epll;
  958. clk_fout_vpll.rate = vpll;
  959. printk(KERN_INFO "S5PV310: PLL settings, A=%ld, M=%ld, E=%ld V=%ld",
  960. apll, mpll, epll, vpll);
  961. armclk = clk_get_rate(&clk_armclk.clk);
  962. sclk_dmc = clk_get_rate(&clk_sclk_dmc.clk);
  963. aclk_200 = clk_get_rate(&clk_aclk_200.clk);
  964. aclk_100 = clk_get_rate(&clk_aclk_100.clk);
  965. aclk_160 = clk_get_rate(&clk_aclk_160.clk);
  966. aclk_133 = clk_get_rate(&clk_aclk_133.clk);
  967. printk(KERN_INFO "S5PV310: ARMCLK=%ld, DMC=%ld, ACLK200=%ld\n"
  968. "ACLK100=%ld, ACLK160=%ld, ACLK133=%ld\n",
  969. armclk, sclk_dmc, aclk_200,
  970. aclk_100, aclk_160, aclk_133);
  971. clk_f.rate = armclk;
  972. clk_h.rate = sclk_dmc;
  973. clk_p.rate = aclk_100;
  974. for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
  975. s3c_set_clksrc(&clksrcs[ptr], true);
  976. }
  977. static struct clk *clks[] __initdata = {
  978. /* Nothing here yet */
  979. };
  980. void __init s5pv310_register_clocks(void)
  981. {
  982. struct clk *clkp;
  983. int ret;
  984. int ptr;
  985. ret = s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
  986. if (ret > 0)
  987. printk(KERN_ERR "Failed to register %u clocks\n", ret);
  988. for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
  989. s3c_register_clksrc(sysclks[ptr], 1);
  990. s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
  991. s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
  992. clkp = init_clocks_disable;
  993. for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
  994. ret = s3c24xx_register_clock(clkp);
  995. if (ret < 0) {
  996. printk(KERN_ERR "Failed to register clock %s (%d)\n",
  997. clkp->name, ret);
  998. }
  999. (clkp->enable)(clkp, 0);
  1000. }
  1001. s3c_pwmclk_init();
  1002. }