clock.c 32 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351
  1. /* linux/arch/arm/mach-s5pc100/clock.c
  2. *
  3. * Copyright (c) 2010 Samsung Electronics Co., Ltd.
  4. * http://www.samsung.com/
  5. *
  6. * S5PC100 - 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/init.h>
  13. #include <linux/module.h>
  14. #include <linux/kernel.h>
  15. #include <linux/list.h>
  16. #include <linux/err.h>
  17. #include <linux/clk.h>
  18. #include <linux/io.h>
  19. #include <mach/map.h>
  20. #include <plat/cpu-freq.h>
  21. #include <mach/regs-clock.h>
  22. #include <plat/clock.h>
  23. #include <plat/cpu.h>
  24. #include <plat/pll.h>
  25. #include <plat/s5p-clock.h>
  26. #include <plat/clock-clksrc.h>
  27. #include "common.h"
  28. static struct clk s5p_clk_otgphy = {
  29. .name = "otg_phy",
  30. };
  31. static struct clk dummy_apb_pclk = {
  32. .name = "apb_pclk",
  33. .id = -1,
  34. };
  35. static struct clk *clk_src_mout_href_list[] = {
  36. [0] = &s5p_clk_27m,
  37. [1] = &clk_fin_hpll,
  38. };
  39. static struct clksrc_sources clk_src_mout_href = {
  40. .sources = clk_src_mout_href_list,
  41. .nr_sources = ARRAY_SIZE(clk_src_mout_href_list),
  42. };
  43. static struct clksrc_clk clk_mout_href = {
  44. .clk = {
  45. .name = "mout_href",
  46. },
  47. .sources = &clk_src_mout_href,
  48. .reg_src = { .reg = S5P_CLK_SRC0, .shift = 20, .size = 1 },
  49. };
  50. static struct clk *clk_src_mout_48m_list[] = {
  51. [0] = &clk_xusbxti,
  52. [1] = &s5p_clk_otgphy,
  53. };
  54. static struct clksrc_sources clk_src_mout_48m = {
  55. .sources = clk_src_mout_48m_list,
  56. .nr_sources = ARRAY_SIZE(clk_src_mout_48m_list),
  57. };
  58. static struct clksrc_clk clk_mout_48m = {
  59. .clk = {
  60. .name = "mout_48m",
  61. },
  62. .sources = &clk_src_mout_48m,
  63. .reg_src = { .reg = S5P_CLK_SRC1, .shift = 24, .size = 1 },
  64. };
  65. static struct clksrc_clk clk_mout_mpll = {
  66. .clk = {
  67. .name = "mout_mpll",
  68. },
  69. .sources = &clk_src_mpll,
  70. .reg_src = { .reg = S5P_CLK_SRC0, .shift = 4, .size = 1 },
  71. };
  72. static struct clksrc_clk clk_mout_apll = {
  73. .clk = {
  74. .name = "mout_apll",
  75. },
  76. .sources = &clk_src_apll,
  77. .reg_src = { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 },
  78. };
  79. static struct clksrc_clk clk_mout_epll = {
  80. .clk = {
  81. .name = "mout_epll",
  82. },
  83. .sources = &clk_src_epll,
  84. .reg_src = { .reg = S5P_CLK_SRC0, .shift = 8, .size = 1 },
  85. };
  86. static struct clk *clk_src_mout_hpll_list[] = {
  87. [0] = &s5p_clk_27m,
  88. };
  89. static struct clksrc_sources clk_src_mout_hpll = {
  90. .sources = clk_src_mout_hpll_list,
  91. .nr_sources = ARRAY_SIZE(clk_src_mout_hpll_list),
  92. };
  93. static struct clksrc_clk clk_mout_hpll = {
  94. .clk = {
  95. .name = "mout_hpll",
  96. },
  97. .sources = &clk_src_mout_hpll,
  98. .reg_src = { .reg = S5P_CLK_SRC0, .shift = 12, .size = 1 },
  99. };
  100. static struct clksrc_clk clk_div_apll = {
  101. .clk = {
  102. .name = "div_apll",
  103. .parent = &clk_mout_apll.clk,
  104. },
  105. .reg_div = { .reg = S5P_CLK_DIV0, .shift = 0, .size = 1 },
  106. };
  107. static struct clksrc_clk clk_div_arm = {
  108. .clk = {
  109. .name = "div_arm",
  110. .parent = &clk_div_apll.clk,
  111. },
  112. .reg_div = { .reg = S5P_CLK_DIV0, .shift = 4, .size = 3 },
  113. };
  114. static struct clksrc_clk clk_div_d0_bus = {
  115. .clk = {
  116. .name = "div_d0_bus",
  117. .parent = &clk_div_arm.clk,
  118. },
  119. .reg_div = { .reg = S5P_CLK_DIV0, .shift = 8, .size = 3 },
  120. };
  121. static struct clksrc_clk clk_div_pclkd0 = {
  122. .clk = {
  123. .name = "div_pclkd0",
  124. .parent = &clk_div_d0_bus.clk,
  125. },
  126. .reg_div = { .reg = S5P_CLK_DIV0, .shift = 12, .size = 3 },
  127. };
  128. static struct clksrc_clk clk_div_secss = {
  129. .clk = {
  130. .name = "div_secss",
  131. .parent = &clk_div_d0_bus.clk,
  132. },
  133. .reg_div = { .reg = S5P_CLK_DIV0, .shift = 16, .size = 3 },
  134. };
  135. static struct clksrc_clk clk_div_apll2 = {
  136. .clk = {
  137. .name = "div_apll2",
  138. .parent = &clk_mout_apll.clk,
  139. },
  140. .reg_div = { .reg = S5P_CLK_DIV1, .shift = 0, .size = 3 },
  141. };
  142. static struct clk *clk_src_mout_am_list[] = {
  143. [0] = &clk_mout_mpll.clk,
  144. [1] = &clk_div_apll2.clk,
  145. };
  146. struct clksrc_sources clk_src_mout_am = {
  147. .sources = clk_src_mout_am_list,
  148. .nr_sources = ARRAY_SIZE(clk_src_mout_am_list),
  149. };
  150. static struct clksrc_clk clk_mout_am = {
  151. .clk = {
  152. .name = "mout_am",
  153. },
  154. .sources = &clk_src_mout_am,
  155. .reg_src = { .reg = S5P_CLK_SRC0, .shift = 16, .size = 1 },
  156. };
  157. static struct clksrc_clk clk_div_d1_bus = {
  158. .clk = {
  159. .name = "div_d1_bus",
  160. .parent = &clk_mout_am.clk,
  161. },
  162. .reg_div = { .reg = S5P_CLK_DIV1, .shift = 12, .size = 3 },
  163. };
  164. static struct clksrc_clk clk_div_mpll2 = {
  165. .clk = {
  166. .name = "div_mpll2",
  167. .parent = &clk_mout_am.clk,
  168. },
  169. .reg_div = { .reg = S5P_CLK_DIV1, .shift = 8, .size = 1 },
  170. };
  171. static struct clksrc_clk clk_div_mpll = {
  172. .clk = {
  173. .name = "div_mpll",
  174. .parent = &clk_mout_am.clk,
  175. },
  176. .reg_div = { .reg = S5P_CLK_DIV1, .shift = 4, .size = 2 },
  177. };
  178. static struct clk *clk_src_mout_onenand_list[] = {
  179. [0] = &clk_div_d0_bus.clk,
  180. [1] = &clk_div_d1_bus.clk,
  181. };
  182. struct clksrc_sources clk_src_mout_onenand = {
  183. .sources = clk_src_mout_onenand_list,
  184. .nr_sources = ARRAY_SIZE(clk_src_mout_onenand_list),
  185. };
  186. static struct clksrc_clk clk_mout_onenand = {
  187. .clk = {
  188. .name = "mout_onenand",
  189. },
  190. .sources = &clk_src_mout_onenand,
  191. .reg_src = { .reg = S5P_CLK_SRC0, .shift = 24, .size = 1 },
  192. };
  193. static struct clksrc_clk clk_div_onenand = {
  194. .clk = {
  195. .name = "div_onenand",
  196. .parent = &clk_mout_onenand.clk,
  197. },
  198. .reg_div = { .reg = S5P_CLK_DIV1, .shift = 20, .size = 2 },
  199. };
  200. static struct clksrc_clk clk_div_pclkd1 = {
  201. .clk = {
  202. .name = "div_pclkd1",
  203. .parent = &clk_div_d1_bus.clk,
  204. },
  205. .reg_div = { .reg = S5P_CLK_DIV1, .shift = 16, .size = 3 },
  206. };
  207. static struct clksrc_clk clk_div_cam = {
  208. .clk = {
  209. .name = "div_cam",
  210. .parent = &clk_div_mpll2.clk,
  211. },
  212. .reg_div = { .reg = S5P_CLK_DIV1, .shift = 24, .size = 5 },
  213. };
  214. static struct clksrc_clk clk_div_hdmi = {
  215. .clk = {
  216. .name = "div_hdmi",
  217. .parent = &clk_mout_hpll.clk,
  218. },
  219. .reg_div = { .reg = S5P_CLK_DIV3, .shift = 28, .size = 4 },
  220. };
  221. static u32 epll_div[][4] = {
  222. { 32750000, 131, 3, 4 },
  223. { 32768000, 131, 3, 4 },
  224. { 36000000, 72, 3, 3 },
  225. { 45000000, 90, 3, 3 },
  226. { 45158000, 90, 3, 3 },
  227. { 45158400, 90, 3, 3 },
  228. { 48000000, 96, 3, 3 },
  229. { 49125000, 131, 4, 3 },
  230. { 49152000, 131, 4, 3 },
  231. { 60000000, 120, 3, 3 },
  232. { 67737600, 226, 5, 3 },
  233. { 67738000, 226, 5, 3 },
  234. { 73800000, 246, 5, 3 },
  235. { 73728000, 246, 5, 3 },
  236. { 72000000, 144, 3, 3 },
  237. { 84000000, 168, 3, 3 },
  238. { 96000000, 96, 3, 2 },
  239. { 144000000, 144, 3, 2 },
  240. { 192000000, 96, 3, 1 }
  241. };
  242. static int s5pc100_epll_set_rate(struct clk *clk, unsigned long rate)
  243. {
  244. unsigned int epll_con;
  245. unsigned int i;
  246. if (clk->rate == rate) /* Return if nothing changed */
  247. return 0;
  248. epll_con = __raw_readl(S5P_EPLL_CON);
  249. epll_con &= ~(PLL65XX_MDIV_MASK | PLL65XX_PDIV_MASK | PLL65XX_SDIV_MASK);
  250. for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
  251. if (epll_div[i][0] == rate) {
  252. epll_con |= (epll_div[i][1] << PLL65XX_MDIV_SHIFT) |
  253. (epll_div[i][2] << PLL65XX_PDIV_SHIFT) |
  254. (epll_div[i][3] << PLL65XX_SDIV_SHIFT);
  255. break;
  256. }
  257. }
  258. if (i == ARRAY_SIZE(epll_div)) {
  259. printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n", __func__);
  260. return -EINVAL;
  261. }
  262. __raw_writel(epll_con, S5P_EPLL_CON);
  263. printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
  264. clk->rate, rate);
  265. clk->rate = rate;
  266. return 0;
  267. }
  268. static struct clk_ops s5pc100_epll_ops = {
  269. .get_rate = s5p_epll_get_rate,
  270. .set_rate = s5pc100_epll_set_rate,
  271. };
  272. static int s5pc100_d0_0_ctrl(struct clk *clk, int enable)
  273. {
  274. return s5p_gatectrl(S5P_CLKGATE_D00, clk, enable);
  275. }
  276. static int s5pc100_d0_1_ctrl(struct clk *clk, int enable)
  277. {
  278. return s5p_gatectrl(S5P_CLKGATE_D01, clk, enable);
  279. }
  280. static int s5pc100_d0_2_ctrl(struct clk *clk, int enable)
  281. {
  282. return s5p_gatectrl(S5P_CLKGATE_D02, clk, enable);
  283. }
  284. static int s5pc100_d1_0_ctrl(struct clk *clk, int enable)
  285. {
  286. return s5p_gatectrl(S5P_CLKGATE_D10, clk, enable);
  287. }
  288. static int s5pc100_d1_1_ctrl(struct clk *clk, int enable)
  289. {
  290. return s5p_gatectrl(S5P_CLKGATE_D11, clk, enable);
  291. }
  292. static int s5pc100_d1_2_ctrl(struct clk *clk, int enable)
  293. {
  294. return s5p_gatectrl(S5P_CLKGATE_D12, clk, enable);
  295. }
  296. static int s5pc100_d1_3_ctrl(struct clk *clk, int enable)
  297. {
  298. return s5p_gatectrl(S5P_CLKGATE_D13, clk, enable);
  299. }
  300. static int s5pc100_d1_4_ctrl(struct clk *clk, int enable)
  301. {
  302. return s5p_gatectrl(S5P_CLKGATE_D14, clk, enable);
  303. }
  304. static int s5pc100_d1_5_ctrl(struct clk *clk, int enable)
  305. {
  306. return s5p_gatectrl(S5P_CLKGATE_D15, clk, enable);
  307. }
  308. static int s5pc100_sclk0_ctrl(struct clk *clk, int enable)
  309. {
  310. return s5p_gatectrl(S5P_CLKGATE_SCLK0, clk, enable);
  311. }
  312. static int s5pc100_sclk1_ctrl(struct clk *clk, int enable)
  313. {
  314. return s5p_gatectrl(S5P_CLKGATE_SCLK1, clk, enable);
  315. }
  316. /*
  317. * The following clocks will be disabled during clock initialization. It is
  318. * recommended to keep the following clocks disabled until the driver requests
  319. * for enabling the clock.
  320. */
  321. static struct clk init_clocks_off[] = {
  322. {
  323. .name = "cssys",
  324. .parent = &clk_div_d0_bus.clk,
  325. .enable = s5pc100_d0_0_ctrl,
  326. .ctrlbit = (1 << 6),
  327. }, {
  328. .name = "secss",
  329. .parent = &clk_div_d0_bus.clk,
  330. .enable = s5pc100_d0_0_ctrl,
  331. .ctrlbit = (1 << 5),
  332. }, {
  333. .name = "g2d",
  334. .parent = &clk_div_d0_bus.clk,
  335. .enable = s5pc100_d0_0_ctrl,
  336. .ctrlbit = (1 << 4),
  337. }, {
  338. .name = "mdma",
  339. .parent = &clk_div_d0_bus.clk,
  340. .enable = s5pc100_d0_0_ctrl,
  341. .ctrlbit = (1 << 3),
  342. }, {
  343. .name = "cfcon",
  344. .parent = &clk_div_d0_bus.clk,
  345. .enable = s5pc100_d0_0_ctrl,
  346. .ctrlbit = (1 << 2),
  347. }, {
  348. .name = "nfcon",
  349. .parent = &clk_div_d0_bus.clk,
  350. .enable = s5pc100_d0_1_ctrl,
  351. .ctrlbit = (1 << 3),
  352. }, {
  353. .name = "onenandc",
  354. .parent = &clk_div_d0_bus.clk,
  355. .enable = s5pc100_d0_1_ctrl,
  356. .ctrlbit = (1 << 2),
  357. }, {
  358. .name = "sdm",
  359. .parent = &clk_div_d0_bus.clk,
  360. .enable = s5pc100_d0_2_ctrl,
  361. .ctrlbit = (1 << 2),
  362. }, {
  363. .name = "seckey",
  364. .parent = &clk_div_d0_bus.clk,
  365. .enable = s5pc100_d0_2_ctrl,
  366. .ctrlbit = (1 << 1),
  367. }, {
  368. .name = "modemif",
  369. .parent = &clk_div_d1_bus.clk,
  370. .enable = s5pc100_d1_0_ctrl,
  371. .ctrlbit = (1 << 4),
  372. }, {
  373. .name = "otg",
  374. .parent = &clk_div_d1_bus.clk,
  375. .enable = s5pc100_d1_0_ctrl,
  376. .ctrlbit = (1 << 3),
  377. }, {
  378. .name = "usbhost",
  379. .parent = &clk_div_d1_bus.clk,
  380. .enable = s5pc100_d1_0_ctrl,
  381. .ctrlbit = (1 << 2),
  382. }, {
  383. .name = "dma",
  384. .devname = "dma-pl330.1",
  385. .parent = &clk_div_d1_bus.clk,
  386. .enable = s5pc100_d1_0_ctrl,
  387. .ctrlbit = (1 << 1),
  388. }, {
  389. .name = "dma",
  390. .devname = "dma-pl330.0",
  391. .parent = &clk_div_d1_bus.clk,
  392. .enable = s5pc100_d1_0_ctrl,
  393. .ctrlbit = (1 << 0),
  394. }, {
  395. .name = "lcd",
  396. .parent = &clk_div_d1_bus.clk,
  397. .enable = s5pc100_d1_1_ctrl,
  398. .ctrlbit = (1 << 0),
  399. }, {
  400. .name = "rotator",
  401. .parent = &clk_div_d1_bus.clk,
  402. .enable = s5pc100_d1_1_ctrl,
  403. .ctrlbit = (1 << 1),
  404. }, {
  405. .name = "fimc",
  406. .devname = "s5p-fimc.0",
  407. .parent = &clk_div_d1_bus.clk,
  408. .enable = s5pc100_d1_1_ctrl,
  409. .ctrlbit = (1 << 2),
  410. }, {
  411. .name = "fimc",
  412. .devname = "s5p-fimc.1",
  413. .parent = &clk_div_d1_bus.clk,
  414. .enable = s5pc100_d1_1_ctrl,
  415. .ctrlbit = (1 << 3),
  416. }, {
  417. .name = "fimc",
  418. .devname = "s5p-fimc.2",
  419. .enable = s5pc100_d1_1_ctrl,
  420. .ctrlbit = (1 << 4),
  421. }, {
  422. .name = "jpeg",
  423. .parent = &clk_div_d1_bus.clk,
  424. .enable = s5pc100_d1_1_ctrl,
  425. .ctrlbit = (1 << 5),
  426. }, {
  427. .name = "mipi-dsim",
  428. .parent = &clk_div_d1_bus.clk,
  429. .enable = s5pc100_d1_1_ctrl,
  430. .ctrlbit = (1 << 6),
  431. }, {
  432. .name = "mipi-csis",
  433. .parent = &clk_div_d1_bus.clk,
  434. .enable = s5pc100_d1_1_ctrl,
  435. .ctrlbit = (1 << 7),
  436. }, {
  437. .name = "g3d",
  438. .parent = &clk_div_d1_bus.clk,
  439. .enable = s5pc100_d1_0_ctrl,
  440. .ctrlbit = (1 << 8),
  441. }, {
  442. .name = "tv",
  443. .parent = &clk_div_d1_bus.clk,
  444. .enable = s5pc100_d1_2_ctrl,
  445. .ctrlbit = (1 << 0),
  446. }, {
  447. .name = "vp",
  448. .parent = &clk_div_d1_bus.clk,
  449. .enable = s5pc100_d1_2_ctrl,
  450. .ctrlbit = (1 << 1),
  451. }, {
  452. .name = "mixer",
  453. .parent = &clk_div_d1_bus.clk,
  454. .enable = s5pc100_d1_2_ctrl,
  455. .ctrlbit = (1 << 2),
  456. }, {
  457. .name = "hdmi",
  458. .parent = &clk_div_d1_bus.clk,
  459. .enable = s5pc100_d1_2_ctrl,
  460. .ctrlbit = (1 << 3),
  461. }, {
  462. .name = "mfc",
  463. .parent = &clk_div_d1_bus.clk,
  464. .enable = s5pc100_d1_2_ctrl,
  465. .ctrlbit = (1 << 4),
  466. }, {
  467. .name = "apc",
  468. .parent = &clk_div_d1_bus.clk,
  469. .enable = s5pc100_d1_3_ctrl,
  470. .ctrlbit = (1 << 2),
  471. }, {
  472. .name = "iec",
  473. .parent = &clk_div_d1_bus.clk,
  474. .enable = s5pc100_d1_3_ctrl,
  475. .ctrlbit = (1 << 3),
  476. }, {
  477. .name = "systimer",
  478. .parent = &clk_div_d1_bus.clk,
  479. .enable = s5pc100_d1_3_ctrl,
  480. .ctrlbit = (1 << 7),
  481. }, {
  482. .name = "watchdog",
  483. .parent = &clk_div_d1_bus.clk,
  484. .enable = s5pc100_d1_3_ctrl,
  485. .ctrlbit = (1 << 8),
  486. }, {
  487. .name = "rtc",
  488. .parent = &clk_div_d1_bus.clk,
  489. .enable = s5pc100_d1_3_ctrl,
  490. .ctrlbit = (1 << 9),
  491. }, {
  492. .name = "i2c",
  493. .devname = "s3c2440-i2c.0",
  494. .parent = &clk_div_d1_bus.clk,
  495. .enable = s5pc100_d1_4_ctrl,
  496. .ctrlbit = (1 << 4),
  497. }, {
  498. .name = "i2c",
  499. .devname = "s3c2440-i2c.1",
  500. .parent = &clk_div_d1_bus.clk,
  501. .enable = s5pc100_d1_4_ctrl,
  502. .ctrlbit = (1 << 5),
  503. }, {
  504. .name = "spi",
  505. .devname = "s3c64xx-spi.0",
  506. .parent = &clk_div_d1_bus.clk,
  507. .enable = s5pc100_d1_4_ctrl,
  508. .ctrlbit = (1 << 6),
  509. }, {
  510. .name = "spi",
  511. .devname = "s3c64xx-spi.1",
  512. .parent = &clk_div_d1_bus.clk,
  513. .enable = s5pc100_d1_4_ctrl,
  514. .ctrlbit = (1 << 7),
  515. }, {
  516. .name = "spi",
  517. .devname = "s3c64xx-spi.2",
  518. .parent = &clk_div_d1_bus.clk,
  519. .enable = s5pc100_d1_4_ctrl,
  520. .ctrlbit = (1 << 8),
  521. }, {
  522. .name = "irda",
  523. .parent = &clk_div_d1_bus.clk,
  524. .enable = s5pc100_d1_4_ctrl,
  525. .ctrlbit = (1 << 9),
  526. }, {
  527. .name = "ccan",
  528. .parent = &clk_div_d1_bus.clk,
  529. .enable = s5pc100_d1_4_ctrl,
  530. .ctrlbit = (1 << 10),
  531. }, {
  532. .name = "ccan",
  533. .parent = &clk_div_d1_bus.clk,
  534. .enable = s5pc100_d1_4_ctrl,
  535. .ctrlbit = (1 << 11),
  536. }, {
  537. .name = "hsitx",
  538. .parent = &clk_div_d1_bus.clk,
  539. .enable = s5pc100_d1_4_ctrl,
  540. .ctrlbit = (1 << 12),
  541. }, {
  542. .name = "hsirx",
  543. .parent = &clk_div_d1_bus.clk,
  544. .enable = s5pc100_d1_4_ctrl,
  545. .ctrlbit = (1 << 13),
  546. }, {
  547. .name = "iis",
  548. .devname = "samsung-i2s.0",
  549. .parent = &clk_div_pclkd1.clk,
  550. .enable = s5pc100_d1_5_ctrl,
  551. .ctrlbit = (1 << 0),
  552. }, {
  553. .name = "iis",
  554. .devname = "samsung-i2s.1",
  555. .parent = &clk_div_pclkd1.clk,
  556. .enable = s5pc100_d1_5_ctrl,
  557. .ctrlbit = (1 << 1),
  558. }, {
  559. .name = "iis",
  560. .devname = "samsung-i2s.2",
  561. .parent = &clk_div_pclkd1.clk,
  562. .enable = s5pc100_d1_5_ctrl,
  563. .ctrlbit = (1 << 2),
  564. }, {
  565. .name = "ac97",
  566. .parent = &clk_div_pclkd1.clk,
  567. .enable = s5pc100_d1_5_ctrl,
  568. .ctrlbit = (1 << 3),
  569. }, {
  570. .name = "pcm",
  571. .devname = "samsung-pcm.0",
  572. .parent = &clk_div_pclkd1.clk,
  573. .enable = s5pc100_d1_5_ctrl,
  574. .ctrlbit = (1 << 4),
  575. }, {
  576. .name = "pcm",
  577. .devname = "samsung-pcm.1",
  578. .parent = &clk_div_pclkd1.clk,
  579. .enable = s5pc100_d1_5_ctrl,
  580. .ctrlbit = (1 << 5),
  581. }, {
  582. .name = "spdif",
  583. .parent = &clk_div_pclkd1.clk,
  584. .enable = s5pc100_d1_5_ctrl,
  585. .ctrlbit = (1 << 6),
  586. }, {
  587. .name = "adc",
  588. .parent = &clk_div_pclkd1.clk,
  589. .enable = s5pc100_d1_5_ctrl,
  590. .ctrlbit = (1 << 7),
  591. }, {
  592. .name = "keypad",
  593. .parent = &clk_div_pclkd1.clk,
  594. .enable = s5pc100_d1_5_ctrl,
  595. .ctrlbit = (1 << 8),
  596. }, {
  597. .name = "mmc_48m",
  598. .devname = "s3c-sdhci.0",
  599. .parent = &clk_mout_48m.clk,
  600. .enable = s5pc100_sclk0_ctrl,
  601. .ctrlbit = (1 << 15),
  602. }, {
  603. .name = "mmc_48m",
  604. .devname = "s3c-sdhci.1",
  605. .parent = &clk_mout_48m.clk,
  606. .enable = s5pc100_sclk0_ctrl,
  607. .ctrlbit = (1 << 16),
  608. }, {
  609. .name = "mmc_48m",
  610. .devname = "s3c-sdhci.2",
  611. .parent = &clk_mout_48m.clk,
  612. .enable = s5pc100_sclk0_ctrl,
  613. .ctrlbit = (1 << 17),
  614. },
  615. };
  616. static struct clk clk_hsmmc2 = {
  617. .name = "hsmmc",
  618. .devname = "s3c-sdhci.2",
  619. .parent = &clk_div_d1_bus.clk,
  620. .enable = s5pc100_d1_0_ctrl,
  621. .ctrlbit = (1 << 7),
  622. };
  623. static struct clk clk_hsmmc1 = {
  624. .name = "hsmmc",
  625. .devname = "s3c-sdhci.1",
  626. .parent = &clk_div_d1_bus.clk,
  627. .enable = s5pc100_d1_0_ctrl,
  628. .ctrlbit = (1 << 6),
  629. };
  630. static struct clk clk_hsmmc0 = {
  631. .name = "hsmmc",
  632. .devname = "s3c-sdhci.0",
  633. .parent = &clk_div_d1_bus.clk,
  634. .enable = s5pc100_d1_0_ctrl,
  635. .ctrlbit = (1 << 5),
  636. };
  637. static struct clk clk_48m_spi0 = {
  638. .name = "spi_48m",
  639. .devname = "s3c64xx-spi.0",
  640. .parent = &clk_mout_48m.clk,
  641. .enable = s5pc100_sclk0_ctrl,
  642. .ctrlbit = (1 << 7),
  643. };
  644. static struct clk clk_48m_spi1 = {
  645. .name = "spi_48m",
  646. .devname = "s3c64xx-spi.1",
  647. .parent = &clk_mout_48m.clk,
  648. .enable = s5pc100_sclk0_ctrl,
  649. .ctrlbit = (1 << 8),
  650. };
  651. static struct clk clk_48m_spi2 = {
  652. .name = "spi_48m",
  653. .devname = "s3c64xx-spi.2",
  654. .parent = &clk_mout_48m.clk,
  655. .enable = s5pc100_sclk0_ctrl,
  656. .ctrlbit = (1 << 9),
  657. };
  658. static struct clk clk_vclk54m = {
  659. .name = "vclk_54m",
  660. .rate = 54000000,
  661. };
  662. static struct clk clk_i2scdclk0 = {
  663. .name = "i2s_cdclk0",
  664. };
  665. static struct clk clk_i2scdclk1 = {
  666. .name = "i2s_cdclk1",
  667. };
  668. static struct clk clk_i2scdclk2 = {
  669. .name = "i2s_cdclk2",
  670. };
  671. static struct clk clk_pcmcdclk0 = {
  672. .name = "pcm_cdclk0",
  673. };
  674. static struct clk clk_pcmcdclk1 = {
  675. .name = "pcm_cdclk1",
  676. };
  677. static struct clk *clk_src_group1_list[] = {
  678. [0] = &clk_mout_epll.clk,
  679. [1] = &clk_div_mpll2.clk,
  680. [2] = &clk_fin_epll,
  681. [3] = &clk_mout_hpll.clk,
  682. };
  683. struct clksrc_sources clk_src_group1 = {
  684. .sources = clk_src_group1_list,
  685. .nr_sources = ARRAY_SIZE(clk_src_group1_list),
  686. };
  687. static struct clk *clk_src_group2_list[] = {
  688. [0] = &clk_mout_epll.clk,
  689. [1] = &clk_div_mpll.clk,
  690. };
  691. struct clksrc_sources clk_src_group2 = {
  692. .sources = clk_src_group2_list,
  693. .nr_sources = ARRAY_SIZE(clk_src_group2_list),
  694. };
  695. static struct clk *clk_src_group3_list[] = {
  696. [0] = &clk_mout_epll.clk,
  697. [1] = &clk_div_mpll.clk,
  698. [2] = &clk_fin_epll,
  699. [3] = &clk_i2scdclk0,
  700. [4] = &clk_pcmcdclk0,
  701. [5] = &clk_mout_hpll.clk,
  702. };
  703. struct clksrc_sources clk_src_group3 = {
  704. .sources = clk_src_group3_list,
  705. .nr_sources = ARRAY_SIZE(clk_src_group3_list),
  706. };
  707. static struct clksrc_clk clk_sclk_audio0 = {
  708. .clk = {
  709. .name = "sclk_audio",
  710. .devname = "samsung-pcm.0",
  711. .ctrlbit = (1 << 8),
  712. .enable = s5pc100_sclk1_ctrl,
  713. },
  714. .sources = &clk_src_group3,
  715. .reg_src = { .reg = S5P_CLK_SRC3, .shift = 12, .size = 3 },
  716. .reg_div = { .reg = S5P_CLK_DIV4, .shift = 12, .size = 4 },
  717. };
  718. static struct clk *clk_src_group4_list[] = {
  719. [0] = &clk_mout_epll.clk,
  720. [1] = &clk_div_mpll.clk,
  721. [2] = &clk_fin_epll,
  722. [3] = &clk_i2scdclk1,
  723. [4] = &clk_pcmcdclk1,
  724. [5] = &clk_mout_hpll.clk,
  725. };
  726. struct clksrc_sources clk_src_group4 = {
  727. .sources = clk_src_group4_list,
  728. .nr_sources = ARRAY_SIZE(clk_src_group4_list),
  729. };
  730. static struct clksrc_clk clk_sclk_audio1 = {
  731. .clk = {
  732. .name = "sclk_audio",
  733. .devname = "samsung-pcm.1",
  734. .ctrlbit = (1 << 9),
  735. .enable = s5pc100_sclk1_ctrl,
  736. },
  737. .sources = &clk_src_group4,
  738. .reg_src = { .reg = S5P_CLK_SRC3, .shift = 16, .size = 3 },
  739. .reg_div = { .reg = S5P_CLK_DIV4, .shift = 16, .size = 4 },
  740. };
  741. static struct clk *clk_src_group5_list[] = {
  742. [0] = &clk_mout_epll.clk,
  743. [1] = &clk_div_mpll.clk,
  744. [2] = &clk_fin_epll,
  745. [3] = &clk_i2scdclk2,
  746. [4] = &clk_mout_hpll.clk,
  747. };
  748. struct clksrc_sources clk_src_group5 = {
  749. .sources = clk_src_group5_list,
  750. .nr_sources = ARRAY_SIZE(clk_src_group5_list),
  751. };
  752. static struct clksrc_clk clk_sclk_audio2 = {
  753. .clk = {
  754. .name = "sclk_audio",
  755. .devname = "samsung-pcm.2",
  756. .ctrlbit = (1 << 10),
  757. .enable = s5pc100_sclk1_ctrl,
  758. },
  759. .sources = &clk_src_group5,
  760. .reg_src = { .reg = S5P_CLK_SRC3, .shift = 20, .size = 3 },
  761. .reg_div = { .reg = S5P_CLK_DIV4, .shift = 20, .size = 4 },
  762. };
  763. static struct clk *clk_src_group6_list[] = {
  764. [0] = &s5p_clk_27m,
  765. [1] = &clk_vclk54m,
  766. [2] = &clk_div_hdmi.clk,
  767. };
  768. struct clksrc_sources clk_src_group6 = {
  769. .sources = clk_src_group6_list,
  770. .nr_sources = ARRAY_SIZE(clk_src_group6_list),
  771. };
  772. static struct clk *clk_src_group7_list[] = {
  773. [0] = &clk_mout_epll.clk,
  774. [1] = &clk_div_mpll.clk,
  775. [2] = &clk_mout_hpll.clk,
  776. [3] = &clk_vclk54m,
  777. };
  778. struct clksrc_sources clk_src_group7 = {
  779. .sources = clk_src_group7_list,
  780. .nr_sources = ARRAY_SIZE(clk_src_group7_list),
  781. };
  782. static struct clk *clk_src_mmc0_list[] = {
  783. [0] = &clk_mout_epll.clk,
  784. [1] = &clk_div_mpll.clk,
  785. [2] = &clk_fin_epll,
  786. };
  787. struct clksrc_sources clk_src_mmc0 = {
  788. .sources = clk_src_mmc0_list,
  789. .nr_sources = ARRAY_SIZE(clk_src_mmc0_list),
  790. };
  791. static struct clk *clk_src_mmc12_list[] = {
  792. [0] = &clk_mout_epll.clk,
  793. [1] = &clk_div_mpll.clk,
  794. [2] = &clk_fin_epll,
  795. [3] = &clk_mout_hpll.clk,
  796. };
  797. struct clksrc_sources clk_src_mmc12 = {
  798. .sources = clk_src_mmc12_list,
  799. .nr_sources = ARRAY_SIZE(clk_src_mmc12_list),
  800. };
  801. static struct clk *clk_src_irda_usb_list[] = {
  802. [0] = &clk_mout_epll.clk,
  803. [1] = &clk_div_mpll.clk,
  804. [2] = &clk_fin_epll,
  805. [3] = &clk_mout_hpll.clk,
  806. };
  807. struct clksrc_sources clk_src_irda_usb = {
  808. .sources = clk_src_irda_usb_list,
  809. .nr_sources = ARRAY_SIZE(clk_src_irda_usb_list),
  810. };
  811. static struct clk *clk_src_pwi_list[] = {
  812. [0] = &clk_fin_epll,
  813. [1] = &clk_mout_epll.clk,
  814. [2] = &clk_div_mpll.clk,
  815. };
  816. struct clksrc_sources clk_src_pwi = {
  817. .sources = clk_src_pwi_list,
  818. .nr_sources = ARRAY_SIZE(clk_src_pwi_list),
  819. };
  820. static struct clk *clk_sclk_spdif_list[] = {
  821. [0] = &clk_sclk_audio0.clk,
  822. [1] = &clk_sclk_audio1.clk,
  823. [2] = &clk_sclk_audio2.clk,
  824. };
  825. struct clksrc_sources clk_src_sclk_spdif = {
  826. .sources = clk_sclk_spdif_list,
  827. .nr_sources = ARRAY_SIZE(clk_sclk_spdif_list),
  828. };
  829. static struct clksrc_clk clk_sclk_spdif = {
  830. .clk = {
  831. .name = "sclk_spdif",
  832. .ctrlbit = (1 << 11),
  833. .enable = s5pc100_sclk1_ctrl,
  834. .ops = &s5p_sclk_spdif_ops,
  835. },
  836. .sources = &clk_src_sclk_spdif,
  837. .reg_src = { .reg = S5P_CLK_SRC3, .shift = 24, .size = 2 },
  838. };
  839. static struct clksrc_clk clksrcs[] = {
  840. {
  841. .clk = {
  842. .name = "sclk_mixer",
  843. .ctrlbit = (1 << 6),
  844. .enable = s5pc100_sclk0_ctrl,
  845. },
  846. .sources = &clk_src_group6,
  847. .reg_src = { .reg = S5P_CLK_SRC2, .shift = 28, .size = 2 },
  848. }, {
  849. .clk = {
  850. .name = "sclk_lcd",
  851. .ctrlbit = (1 << 0),
  852. .enable = s5pc100_sclk1_ctrl,
  853. },
  854. .sources = &clk_src_group7,
  855. .reg_src = { .reg = S5P_CLK_SRC2, .shift = 12, .size = 2 },
  856. .reg_div = { .reg = S5P_CLK_DIV3, .shift = 12, .size = 4 },
  857. }, {
  858. .clk = {
  859. .name = "sclk_fimc",
  860. .devname = "s5p-fimc.0",
  861. .ctrlbit = (1 << 1),
  862. .enable = s5pc100_sclk1_ctrl,
  863. },
  864. .sources = &clk_src_group7,
  865. .reg_src = { .reg = S5P_CLK_SRC2, .shift = 16, .size = 2 },
  866. .reg_div = { .reg = S5P_CLK_DIV3, .shift = 16, .size = 4 },
  867. }, {
  868. .clk = {
  869. .name = "sclk_fimc",
  870. .devname = "s5p-fimc.1",
  871. .ctrlbit = (1 << 2),
  872. .enable = s5pc100_sclk1_ctrl,
  873. },
  874. .sources = &clk_src_group7,
  875. .reg_src = { .reg = S5P_CLK_SRC2, .shift = 20, .size = 2 },
  876. .reg_div = { .reg = S5P_CLK_DIV3, .shift = 20, .size = 4 },
  877. }, {
  878. .clk = {
  879. .name = "sclk_fimc",
  880. .devname = "s5p-fimc.2",
  881. .ctrlbit = (1 << 3),
  882. .enable = s5pc100_sclk1_ctrl,
  883. },
  884. .sources = &clk_src_group7,
  885. .reg_src = { .reg = S5P_CLK_SRC2, .shift = 24, .size = 2 },
  886. .reg_div = { .reg = S5P_CLK_DIV3, .shift = 24, .size = 4 },
  887. }, {
  888. .clk = {
  889. .name = "sclk_irda",
  890. .ctrlbit = (1 << 10),
  891. .enable = s5pc100_sclk0_ctrl,
  892. },
  893. .sources = &clk_src_irda_usb,
  894. .reg_src = { .reg = S5P_CLK_SRC2, .shift = 8, .size = 2 },
  895. .reg_div = { .reg = S5P_CLK_DIV3, .shift = 8, .size = 4 },
  896. }, {
  897. .clk = {
  898. .name = "sclk_irda",
  899. .ctrlbit = (1 << 10),
  900. .enable = s5pc100_sclk0_ctrl,
  901. },
  902. .sources = &clk_src_mmc12,
  903. .reg_src = { .reg = S5P_CLK_SRC1, .shift = 16, .size = 2 },
  904. .reg_div = { .reg = S5P_CLK_DIV2, .shift = 16, .size = 4 },
  905. }, {
  906. .clk = {
  907. .name = "sclk_pwi",
  908. .ctrlbit = (1 << 1),
  909. .enable = s5pc100_sclk0_ctrl,
  910. },
  911. .sources = &clk_src_pwi,
  912. .reg_src = { .reg = S5P_CLK_SRC3, .shift = 0, .size = 2 },
  913. .reg_div = { .reg = S5P_CLK_DIV4, .shift = 0, .size = 3 },
  914. }, {
  915. .clk = {
  916. .name = "sclk_uhost",
  917. .ctrlbit = (1 << 11),
  918. .enable = s5pc100_sclk0_ctrl,
  919. },
  920. .sources = &clk_src_irda_usb,
  921. .reg_src = { .reg = S5P_CLK_SRC1, .shift = 20, .size = 2 },
  922. .reg_div = { .reg = S5P_CLK_DIV2, .shift = 20, .size = 4 },
  923. },
  924. };
  925. static struct clksrc_clk clk_sclk_uart = {
  926. .clk = {
  927. .name = "uclk1",
  928. .ctrlbit = (1 << 3),
  929. .enable = s5pc100_sclk0_ctrl,
  930. },
  931. .sources = &clk_src_group2,
  932. .reg_src = { .reg = S5P_CLK_SRC1, .shift = 0, .size = 1 },
  933. .reg_div = { .reg = S5P_CLK_DIV2, .shift = 0, .size = 4 },
  934. };
  935. static struct clksrc_clk clk_sclk_mmc0 = {
  936. .clk = {
  937. .name = "sclk_mmc",
  938. .devname = "s3c-sdhci.0",
  939. .ctrlbit = (1 << 12),
  940. .enable = s5pc100_sclk1_ctrl,
  941. },
  942. .sources = &clk_src_mmc0,
  943. .reg_src = { .reg = S5P_CLK_SRC2, .shift = 0, .size = 2 },
  944. .reg_div = { .reg = S5P_CLK_DIV3, .shift = 0, .size = 4 },
  945. };
  946. static struct clksrc_clk clk_sclk_mmc1 = {
  947. .clk = {
  948. .name = "sclk_mmc",
  949. .devname = "s3c-sdhci.1",
  950. .ctrlbit = (1 << 13),
  951. .enable = s5pc100_sclk1_ctrl,
  952. },
  953. .sources = &clk_src_mmc12,
  954. .reg_src = { .reg = S5P_CLK_SRC2, .shift = 4, .size = 2 },
  955. .reg_div = { .reg = S5P_CLK_DIV3, .shift = 4, .size = 4 },
  956. };
  957. static struct clksrc_clk clk_sclk_mmc2 = {
  958. .clk = {
  959. .name = "sclk_mmc",
  960. .devname = "s3c-sdhci.2",
  961. .ctrlbit = (1 << 14),
  962. .enable = s5pc100_sclk1_ctrl,
  963. },
  964. .sources = &clk_src_mmc12,
  965. .reg_src = { .reg = S5P_CLK_SRC2, .shift = 8, .size = 2 },
  966. .reg_div = { .reg = S5P_CLK_DIV3, .shift = 8, .size = 4 },
  967. };
  968. static struct clksrc_clk clk_sclk_spi0 = {
  969. .clk = {
  970. .name = "sclk_spi",
  971. .devname = "s3c64xx-spi.0",
  972. .ctrlbit = (1 << 4),
  973. .enable = s5pc100_sclk0_ctrl,
  974. },
  975. .sources = &clk_src_group1,
  976. .reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 2 },
  977. .reg_div = { .reg = S5P_CLK_DIV2, .shift = 4, .size = 4 },
  978. };
  979. static struct clksrc_clk clk_sclk_spi1 = {
  980. .clk = {
  981. .name = "sclk_spi",
  982. .devname = "s3c64xx-spi.1",
  983. .ctrlbit = (1 << 5),
  984. .enable = s5pc100_sclk0_ctrl,
  985. },
  986. .sources = &clk_src_group1,
  987. .reg_src = { .reg = S5P_CLK_SRC1, .shift = 8, .size = 2 },
  988. .reg_div = { .reg = S5P_CLK_DIV2, .shift = 8, .size = 4 },
  989. };
  990. static struct clksrc_clk clk_sclk_spi2 = {
  991. .clk = {
  992. .name = "sclk_spi",
  993. .devname = "s3c64xx-spi.2",
  994. .ctrlbit = (1 << 6),
  995. .enable = s5pc100_sclk0_ctrl,
  996. },
  997. .sources = &clk_src_group1,
  998. .reg_src = { .reg = S5P_CLK_SRC1, .shift = 12, .size = 2 },
  999. .reg_div = { .reg = S5P_CLK_DIV2, .shift = 12, .size = 4 },
  1000. };
  1001. /* Clock initialisation code */
  1002. static struct clksrc_clk *sysclks[] = {
  1003. &clk_mout_apll,
  1004. &clk_mout_epll,
  1005. &clk_mout_mpll,
  1006. &clk_mout_hpll,
  1007. &clk_mout_href,
  1008. &clk_mout_48m,
  1009. &clk_div_apll,
  1010. &clk_div_arm,
  1011. &clk_div_d0_bus,
  1012. &clk_div_pclkd0,
  1013. &clk_div_secss,
  1014. &clk_div_apll2,
  1015. &clk_mout_am,
  1016. &clk_div_d1_bus,
  1017. &clk_div_mpll2,
  1018. &clk_div_mpll,
  1019. &clk_mout_onenand,
  1020. &clk_div_onenand,
  1021. &clk_div_pclkd1,
  1022. &clk_div_cam,
  1023. &clk_div_hdmi,
  1024. &clk_sclk_audio0,
  1025. &clk_sclk_audio1,
  1026. &clk_sclk_audio2,
  1027. &clk_sclk_spdif,
  1028. };
  1029. static struct clk *clk_cdev[] = {
  1030. &clk_hsmmc0,
  1031. &clk_hsmmc1,
  1032. &clk_hsmmc2,
  1033. &clk_48m_spi0,
  1034. &clk_48m_spi1,
  1035. &clk_48m_spi2,
  1036. };
  1037. static struct clksrc_clk *clksrc_cdev[] = {
  1038. &clk_sclk_uart,
  1039. &clk_sclk_mmc0,
  1040. &clk_sclk_mmc1,
  1041. &clk_sclk_mmc2,
  1042. &clk_sclk_spi0,
  1043. &clk_sclk_spi1,
  1044. &clk_sclk_spi2,
  1045. };
  1046. void __init_or_cpufreq s5pc100_setup_clocks(void)
  1047. {
  1048. unsigned long xtal;
  1049. unsigned long arm;
  1050. unsigned long hclkd0;
  1051. unsigned long hclkd1;
  1052. unsigned long pclkd0;
  1053. unsigned long pclkd1;
  1054. unsigned long apll;
  1055. unsigned long mpll;
  1056. unsigned long epll;
  1057. unsigned long hpll;
  1058. unsigned int ptr;
  1059. /* Set S5PC100 functions for clk_fout_epll */
  1060. clk_fout_epll.enable = s5p_epll_enable;
  1061. clk_fout_epll.ops = &s5pc100_epll_ops;
  1062. printk(KERN_DEBUG "%s: registering clocks\n", __func__);
  1063. xtal = clk_get_rate(&clk_xtal);
  1064. printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
  1065. apll = s5p_get_pll65xx(xtal, __raw_readl(S5P_APLL_CON));
  1066. mpll = s5p_get_pll65xx(xtal, __raw_readl(S5P_MPLL_CON));
  1067. epll = s5p_get_pll65xx(xtal, __raw_readl(S5P_EPLL_CON));
  1068. hpll = s5p_get_pll65xx(xtal, __raw_readl(S5P_HPLL_CON));
  1069. printk(KERN_INFO "S5PC100: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz, E=%ld.%ldMHz, H=%ld.%ldMHz\n",
  1070. print_mhz(apll), print_mhz(mpll), print_mhz(epll), print_mhz(hpll));
  1071. clk_fout_apll.rate = apll;
  1072. clk_fout_mpll.rate = mpll;
  1073. clk_fout_epll.rate = epll;
  1074. clk_mout_hpll.clk.rate = hpll;
  1075. for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
  1076. s3c_set_clksrc(&clksrcs[ptr], true);
  1077. arm = clk_get_rate(&clk_div_arm.clk);
  1078. hclkd0 = clk_get_rate(&clk_div_d0_bus.clk);
  1079. pclkd0 = clk_get_rate(&clk_div_pclkd0.clk);
  1080. hclkd1 = clk_get_rate(&clk_div_d1_bus.clk);
  1081. pclkd1 = clk_get_rate(&clk_div_pclkd1.clk);
  1082. printk(KERN_INFO "S5PC100: HCLKD0=%ld.%ldMHz, HCLKD1=%ld.%ldMHz, PCLKD0=%ld.%ldMHz, PCLKD1=%ld.%ldMHz\n",
  1083. print_mhz(hclkd0), print_mhz(hclkd1), print_mhz(pclkd0), print_mhz(pclkd1));
  1084. clk_f.rate = arm;
  1085. clk_h.rate = hclkd1;
  1086. clk_p.rate = pclkd1;
  1087. }
  1088. /*
  1089. * The following clocks will be enabled during clock initialization.
  1090. */
  1091. static struct clk init_clocks[] = {
  1092. {
  1093. .name = "tzic",
  1094. .parent = &clk_div_d0_bus.clk,
  1095. .enable = s5pc100_d0_0_ctrl,
  1096. .ctrlbit = (1 << 1),
  1097. }, {
  1098. .name = "intc",
  1099. .parent = &clk_div_d0_bus.clk,
  1100. .enable = s5pc100_d0_0_ctrl,
  1101. .ctrlbit = (1 << 0),
  1102. }, {
  1103. .name = "ebi",
  1104. .parent = &clk_div_d0_bus.clk,
  1105. .enable = s5pc100_d0_1_ctrl,
  1106. .ctrlbit = (1 << 5),
  1107. }, {
  1108. .name = "intmem",
  1109. .parent = &clk_div_d0_bus.clk,
  1110. .enable = s5pc100_d0_1_ctrl,
  1111. .ctrlbit = (1 << 4),
  1112. }, {
  1113. .name = "sromc",
  1114. .parent = &clk_div_d0_bus.clk,
  1115. .enable = s5pc100_d0_1_ctrl,
  1116. .ctrlbit = (1 << 1),
  1117. }, {
  1118. .name = "dmc",
  1119. .parent = &clk_div_d0_bus.clk,
  1120. .enable = s5pc100_d0_1_ctrl,
  1121. .ctrlbit = (1 << 0),
  1122. }, {
  1123. .name = "chipid",
  1124. .parent = &clk_div_d0_bus.clk,
  1125. .enable = s5pc100_d0_1_ctrl,
  1126. .ctrlbit = (1 << 0),
  1127. }, {
  1128. .name = "gpio",
  1129. .parent = &clk_div_d1_bus.clk,
  1130. .enable = s5pc100_d1_3_ctrl,
  1131. .ctrlbit = (1 << 1),
  1132. }, {
  1133. .name = "uart",
  1134. .devname = "s3c6400-uart.0",
  1135. .parent = &clk_div_d1_bus.clk,
  1136. .enable = s5pc100_d1_4_ctrl,
  1137. .ctrlbit = (1 << 0),
  1138. }, {
  1139. .name = "uart",
  1140. .devname = "s3c6400-uart.1",
  1141. .parent = &clk_div_d1_bus.clk,
  1142. .enable = s5pc100_d1_4_ctrl,
  1143. .ctrlbit = (1 << 1),
  1144. }, {
  1145. .name = "uart",
  1146. .devname = "s3c6400-uart.2",
  1147. .parent = &clk_div_d1_bus.clk,
  1148. .enable = s5pc100_d1_4_ctrl,
  1149. .ctrlbit = (1 << 2),
  1150. }, {
  1151. .name = "uart",
  1152. .devname = "s3c6400-uart.3",
  1153. .parent = &clk_div_d1_bus.clk,
  1154. .enable = s5pc100_d1_4_ctrl,
  1155. .ctrlbit = (1 << 3),
  1156. }, {
  1157. .name = "timers",
  1158. .parent = &clk_div_d1_bus.clk,
  1159. .enable = s5pc100_d1_3_ctrl,
  1160. .ctrlbit = (1 << 6),
  1161. },
  1162. };
  1163. static struct clk *clks[] __initdata = {
  1164. &clk_ext,
  1165. &clk_i2scdclk0,
  1166. &clk_i2scdclk1,
  1167. &clk_i2scdclk2,
  1168. &clk_pcmcdclk0,
  1169. &clk_pcmcdclk1,
  1170. };
  1171. static struct clk_lookup s5pc100_clk_lookup[] = {
  1172. CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p),
  1173. CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_sclk_uart.clk),
  1174. CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.0", &clk_hsmmc0),
  1175. CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.0", &clk_hsmmc1),
  1176. CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.0", &clk_hsmmc2),
  1177. CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &clk_sclk_mmc0.clk),
  1178. CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1.clk),
  1179. CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk),
  1180. CLKDEV_INIT(NULL, "spi_busclk0", &clk_p),
  1181. CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk1", &clk_48m_spi0),
  1182. CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk2", &clk_sclk_spi0.clk),
  1183. CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk1", &clk_48m_spi1),
  1184. CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk2", &clk_sclk_spi1.clk),
  1185. CLKDEV_INIT("s3c64xx-spi.2", "spi_busclk1", &clk_48m_spi2),
  1186. CLKDEV_INIT("s3c64xx-spi.2", "spi_busclk2", &clk_sclk_spi2.clk),
  1187. };
  1188. void __init s5pc100_register_clocks(void)
  1189. {
  1190. int ptr;
  1191. s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
  1192. for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
  1193. s3c_register_clksrc(sysclks[ptr], 1);
  1194. s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
  1195. s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
  1196. for (ptr = 0; ptr < ARRAY_SIZE(clksrc_cdev); ptr++)
  1197. s3c_register_clksrc(clksrc_cdev[ptr], 1);
  1198. s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
  1199. s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
  1200. clkdev_add_table(s5pc100_clk_lookup, ARRAY_SIZE(s5pc100_clk_lookup));
  1201. s3c24xx_register_clocks(clk_cdev, ARRAY_SIZE(clk_cdev));
  1202. for (ptr = 0; ptr < ARRAY_SIZE(clk_cdev); ptr++)
  1203. s3c_disable_clocks(clk_cdev[ptr], 1);
  1204. s3c24xx_register_clock(&dummy_apb_pclk);
  1205. s3c_pwmclk_init();
  1206. }