clock.h 23 KB

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  1. /*
  2. * linux/arch/arm/mach-omap1/clock.h
  3. *
  4. * Copyright (C) 2004 - 2005 Nokia corporation
  5. * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
  6. * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
  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. #ifndef __ARCH_ARM_MACH_OMAP1_CLOCK_H
  13. #define __ARCH_ARM_MACH_OMAP1_CLOCK_H
  14. static int omap1_clk_enable_generic(struct clk * clk);
  15. static void omap1_clk_disable_generic(struct clk * clk);
  16. static void omap1_ckctl_recalc(struct clk * clk);
  17. static void omap1_watchdog_recalc(struct clk * clk);
  18. static void omap1_ckctl_recalc_dsp_domain(struct clk * clk);
  19. static int omap1_clk_enable_dsp_domain(struct clk * clk);
  20. static int omap1_clk_set_rate_dsp_domain(struct clk * clk, unsigned long rate);
  21. static void omap1_clk_disable_dsp_domain(struct clk * clk);
  22. static int omap1_set_uart_rate(struct clk * clk, unsigned long rate);
  23. static void omap1_uart_recalc(struct clk * clk);
  24. static int omap1_clk_enable_uart_functional(struct clk * clk);
  25. static void omap1_clk_disable_uart_functional(struct clk * clk);
  26. static int omap1_set_ext_clk_rate(struct clk * clk, unsigned long rate);
  27. static long omap1_round_ext_clk_rate(struct clk * clk, unsigned long rate);
  28. static void omap1_init_ext_clk(struct clk * clk);
  29. static int omap1_select_table_rate(struct clk * clk, unsigned long rate);
  30. static long omap1_round_to_table_rate(struct clk * clk, unsigned long rate);
  31. static int omap1_clk_enable(struct clk *clk);
  32. static void omap1_clk_disable(struct clk *clk);
  33. struct mpu_rate {
  34. unsigned long rate;
  35. unsigned long xtal;
  36. unsigned long pll_rate;
  37. __u16 ckctl_val;
  38. __u16 dpllctl_val;
  39. };
  40. struct uart_clk {
  41. struct clk clk;
  42. unsigned long sysc_addr;
  43. };
  44. /* Provide a method for preventing idling some ARM IDLECT clocks */
  45. struct arm_idlect1_clk {
  46. struct clk clk;
  47. unsigned long no_idle_count;
  48. __u8 idlect_shift;
  49. };
  50. /* ARM_CKCTL bit shifts */
  51. #define CKCTL_PERDIV_OFFSET 0
  52. #define CKCTL_LCDDIV_OFFSET 2
  53. #define CKCTL_ARMDIV_OFFSET 4
  54. #define CKCTL_DSPDIV_OFFSET 6
  55. #define CKCTL_TCDIV_OFFSET 8
  56. #define CKCTL_DSPMMUDIV_OFFSET 10
  57. /*#define ARM_TIMXO 12*/
  58. #define EN_DSPCK 13
  59. /*#define ARM_INTHCK_SEL 14*/ /* Divide-by-2 for mpu inth_ck */
  60. /* DSP_CKCTL bit shifts */
  61. #define CKCTL_DSPPERDIV_OFFSET 0
  62. /* ARM_IDLECT2 bit shifts */
  63. #define EN_WDTCK 0
  64. #define EN_XORPCK 1
  65. #define EN_PERCK 2
  66. #define EN_LCDCK 3
  67. #define EN_LBCK 4 /* Not on 1610/1710 */
  68. /*#define EN_HSABCK 5*/
  69. #define EN_APICK 6
  70. #define EN_TIMCK 7
  71. #define DMACK_REQ 8
  72. #define EN_GPIOCK 9 /* Not on 1610/1710 */
  73. /*#define EN_LBFREECK 10*/
  74. #define EN_CKOUT_ARM 11
  75. /* ARM_IDLECT3 bit shifts */
  76. #define EN_OCPI_CK 0
  77. #define EN_TC1_CK 2
  78. #define EN_TC2_CK 4
  79. /* DSP_IDLECT2 bit shifts (0,1,2 are same as for ARM_IDLECT2) */
  80. #define EN_DSPTIMCK 5
  81. /* Various register defines for clock controls scattered around OMAP chip */
  82. #define USB_MCLK_EN_BIT 4 /* In ULPD_CLKC_CTRL */
  83. #define USB_HOST_HHC_UHOST_EN 9 /* In MOD_CONF_CTRL_0 */
  84. #define SWD_ULPD_PLL_CLK_REQ 1 /* In SWD_CLK_DIV_CTRL_SEL */
  85. #define COM_ULPD_PLL_CLK_REQ 1 /* In COM_CLK_DIV_CTRL_SEL */
  86. #define SWD_CLK_DIV_CTRL_SEL 0xfffe0874
  87. #define COM_CLK_DIV_CTRL_SEL 0xfffe0878
  88. #define SOFT_REQ_REG 0xfffe0834
  89. #define SOFT_REQ_REG2 0xfffe0880
  90. /*-------------------------------------------------------------------------
  91. * Omap1 MPU rate table
  92. *-------------------------------------------------------------------------*/
  93. static struct mpu_rate rate_table[] = {
  94. /* MPU MHz, xtal MHz, dpll1 MHz, CKCTL, DPLL_CTL
  95. * NOTE: Comment order here is different from bits in CKCTL value:
  96. * armdiv, dspdiv, dspmmu, tcdiv, perdiv, lcddiv
  97. */
  98. #if defined(CONFIG_OMAP_ARM_216MHZ)
  99. { 216000000, 12000000, 216000000, 0x050d, 0x2910 }, /* 1/1/2/2/2/8 */
  100. #endif
  101. #if defined(CONFIG_OMAP_ARM_195MHZ)
  102. { 195000000, 13000000, 195000000, 0x050e, 0x2790 }, /* 1/1/2/2/4/8 */
  103. #endif
  104. #if defined(CONFIG_OMAP_ARM_192MHZ)
  105. { 192000000, 19200000, 192000000, 0x050f, 0x2510 }, /* 1/1/2/2/8/8 */
  106. { 192000000, 12000000, 192000000, 0x050f, 0x2810 }, /* 1/1/2/2/8/8 */
  107. { 96000000, 12000000, 192000000, 0x055f, 0x2810 }, /* 2/2/2/2/8/8 */
  108. { 48000000, 12000000, 192000000, 0x0baf, 0x2810 }, /* 4/4/4/8/8/8 */
  109. { 24000000, 12000000, 192000000, 0x0fff, 0x2810 }, /* 8/8/8/8/8/8 */
  110. #endif
  111. #if defined(CONFIG_OMAP_ARM_182MHZ)
  112. { 182000000, 13000000, 182000000, 0x050e, 0x2710 }, /* 1/1/2/2/4/8 */
  113. #endif
  114. #if defined(CONFIG_OMAP_ARM_168MHZ)
  115. { 168000000, 12000000, 168000000, 0x010f, 0x2710 }, /* 1/1/1/2/8/8 */
  116. #endif
  117. #if defined(CONFIG_OMAP_ARM_150MHZ)
  118. { 150000000, 12000000, 150000000, 0x010a, 0x2cb0 }, /* 1/1/1/2/4/4 */
  119. #endif
  120. #if defined(CONFIG_OMAP_ARM_120MHZ)
  121. { 120000000, 12000000, 120000000, 0x010a, 0x2510 }, /* 1/1/1/2/4/4 */
  122. #endif
  123. #if defined(CONFIG_OMAP_ARM_96MHZ)
  124. { 96000000, 12000000, 96000000, 0x0005, 0x2410 }, /* 1/1/1/1/2/2 */
  125. #endif
  126. #if defined(CONFIG_OMAP_ARM_60MHZ)
  127. { 60000000, 12000000, 60000000, 0x0005, 0x2290 }, /* 1/1/1/1/2/2 */
  128. #endif
  129. #if defined(CONFIG_OMAP_ARM_30MHZ)
  130. { 30000000, 12000000, 60000000, 0x0555, 0x2290 }, /* 2/2/2/2/2/2 */
  131. #endif
  132. { 0, 0, 0, 0, 0 },
  133. };
  134. /*-------------------------------------------------------------------------
  135. * Omap1 clocks
  136. *-------------------------------------------------------------------------*/
  137. static struct clk ck_ref = {
  138. .name = "ck_ref",
  139. .rate = 12000000,
  140. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  141. CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
  142. .enable = &omap1_clk_enable_generic,
  143. .disable = &omap1_clk_disable_generic,
  144. };
  145. static struct clk ck_dpll1 = {
  146. .name = "ck_dpll1",
  147. .parent = &ck_ref,
  148. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  149. CLOCK_IN_OMAP310 | RATE_PROPAGATES | ALWAYS_ENABLED,
  150. .enable = &omap1_clk_enable_generic,
  151. .disable = &omap1_clk_disable_generic,
  152. };
  153. static struct arm_idlect1_clk ck_dpll1out = {
  154. .clk = {
  155. .name = "ck_dpll1out",
  156. .parent = &ck_dpll1,
  157. .flags = CLOCK_IN_OMAP16XX | CLOCK_IDLE_CONTROL,
  158. .enable_reg = (void __iomem *)ARM_IDLECT2,
  159. .enable_bit = EN_CKOUT_ARM,
  160. .recalc = &followparent_recalc,
  161. .enable = &omap1_clk_enable_generic,
  162. .disable = &omap1_clk_disable_generic,
  163. },
  164. .idlect_shift = 12,
  165. };
  166. static struct clk arm_ck = {
  167. .name = "arm_ck",
  168. .parent = &ck_dpll1,
  169. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  170. CLOCK_IN_OMAP310 | RATE_CKCTL | RATE_PROPAGATES |
  171. ALWAYS_ENABLED,
  172. .rate_offset = CKCTL_ARMDIV_OFFSET,
  173. .recalc = &omap1_ckctl_recalc,
  174. .enable = &omap1_clk_enable_generic,
  175. .disable = &omap1_clk_disable_generic,
  176. };
  177. static struct arm_idlect1_clk armper_ck = {
  178. .clk = {
  179. .name = "armper_ck",
  180. .parent = &ck_dpll1,
  181. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  182. CLOCK_IN_OMAP310 | RATE_CKCTL |
  183. CLOCK_IDLE_CONTROL,
  184. .enable_reg = (void __iomem *)ARM_IDLECT2,
  185. .enable_bit = EN_PERCK,
  186. .rate_offset = CKCTL_PERDIV_OFFSET,
  187. .recalc = &omap1_ckctl_recalc,
  188. .enable = &omap1_clk_enable_generic,
  189. .disable = &omap1_clk_disable_generic,
  190. },
  191. .idlect_shift = 2,
  192. };
  193. static struct clk arm_gpio_ck = {
  194. .name = "arm_gpio_ck",
  195. .parent = &ck_dpll1,
  196. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
  197. .enable_reg = (void __iomem *)ARM_IDLECT2,
  198. .enable_bit = EN_GPIOCK,
  199. .recalc = &followparent_recalc,
  200. .enable = &omap1_clk_enable_generic,
  201. .disable = &omap1_clk_disable_generic,
  202. };
  203. static struct arm_idlect1_clk armxor_ck = {
  204. .clk = {
  205. .name = "armxor_ck",
  206. .parent = &ck_ref,
  207. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  208. CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL,
  209. .enable_reg = (void __iomem *)ARM_IDLECT2,
  210. .enable_bit = EN_XORPCK,
  211. .recalc = &followparent_recalc,
  212. .enable = &omap1_clk_enable_generic,
  213. .disable = &omap1_clk_disable_generic,
  214. },
  215. .idlect_shift = 1,
  216. };
  217. static struct arm_idlect1_clk armtim_ck = {
  218. .clk = {
  219. .name = "armtim_ck",
  220. .parent = &ck_ref,
  221. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  222. CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL,
  223. .enable_reg = (void __iomem *)ARM_IDLECT2,
  224. .enable_bit = EN_TIMCK,
  225. .recalc = &followparent_recalc,
  226. .enable = &omap1_clk_enable_generic,
  227. .disable = &omap1_clk_disable_generic,
  228. },
  229. .idlect_shift = 9,
  230. };
  231. static struct arm_idlect1_clk armwdt_ck = {
  232. .clk = {
  233. .name = "armwdt_ck",
  234. .parent = &ck_ref,
  235. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  236. CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL,
  237. .enable_reg = (void __iomem *)ARM_IDLECT2,
  238. .enable_bit = EN_WDTCK,
  239. .recalc = &omap1_watchdog_recalc,
  240. .enable = &omap1_clk_enable_generic,
  241. .disable = &omap1_clk_disable_generic,
  242. },
  243. .idlect_shift = 0,
  244. };
  245. static struct clk arminth_ck16xx = {
  246. .name = "arminth_ck",
  247. .parent = &arm_ck,
  248. .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
  249. .recalc = &followparent_recalc,
  250. /* Note: On 16xx the frequency can be divided by 2 by programming
  251. * ARM_CKCTL:ARM_INTHCK_SEL(14) to 1
  252. *
  253. * 1510 version is in TC clocks.
  254. */
  255. .enable = &omap1_clk_enable_generic,
  256. .disable = &omap1_clk_disable_generic,
  257. };
  258. static struct clk dsp_ck = {
  259. .name = "dsp_ck",
  260. .parent = &ck_dpll1,
  261. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  262. RATE_CKCTL,
  263. .enable_reg = (void __iomem *)ARM_CKCTL,
  264. .enable_bit = EN_DSPCK,
  265. .rate_offset = CKCTL_DSPDIV_OFFSET,
  266. .recalc = &omap1_ckctl_recalc,
  267. .enable = &omap1_clk_enable_generic,
  268. .disable = &omap1_clk_disable_generic,
  269. };
  270. static struct clk dspmmu_ck = {
  271. .name = "dspmmu_ck",
  272. .parent = &ck_dpll1,
  273. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  274. RATE_CKCTL | ALWAYS_ENABLED,
  275. .rate_offset = CKCTL_DSPMMUDIV_OFFSET,
  276. .recalc = &omap1_ckctl_recalc,
  277. .enable = &omap1_clk_enable_generic,
  278. .disable = &omap1_clk_disable_generic,
  279. };
  280. static struct clk dspper_ck = {
  281. .name = "dspper_ck",
  282. .parent = &ck_dpll1,
  283. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  284. RATE_CKCTL | VIRTUAL_IO_ADDRESS,
  285. .enable_reg = (void __iomem *)DSP_IDLECT2,
  286. .enable_bit = EN_PERCK,
  287. .rate_offset = CKCTL_PERDIV_OFFSET,
  288. .recalc = &omap1_ckctl_recalc_dsp_domain,
  289. .set_rate = &omap1_clk_set_rate_dsp_domain,
  290. .enable = &omap1_clk_enable_dsp_domain,
  291. .disable = &omap1_clk_disable_dsp_domain,
  292. };
  293. static struct clk dspxor_ck = {
  294. .name = "dspxor_ck",
  295. .parent = &ck_ref,
  296. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  297. VIRTUAL_IO_ADDRESS,
  298. .enable_reg = (void __iomem *)DSP_IDLECT2,
  299. .enable_bit = EN_XORPCK,
  300. .recalc = &followparent_recalc,
  301. .enable = &omap1_clk_enable_dsp_domain,
  302. .disable = &omap1_clk_disable_dsp_domain,
  303. };
  304. static struct clk dsptim_ck = {
  305. .name = "dsptim_ck",
  306. .parent = &ck_ref,
  307. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  308. VIRTUAL_IO_ADDRESS,
  309. .enable_reg = (void __iomem *)DSP_IDLECT2,
  310. .enable_bit = EN_DSPTIMCK,
  311. .recalc = &followparent_recalc,
  312. .enable = &omap1_clk_enable_dsp_domain,
  313. .disable = &omap1_clk_disable_dsp_domain,
  314. };
  315. /* Tie ARM_IDLECT1:IDLIF_ARM to this logical clock structure */
  316. static struct arm_idlect1_clk tc_ck = {
  317. .clk = {
  318. .name = "tc_ck",
  319. .parent = &ck_dpll1,
  320. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  321. CLOCK_IN_OMAP730 | CLOCK_IN_OMAP310 |
  322. RATE_CKCTL | RATE_PROPAGATES |
  323. ALWAYS_ENABLED | CLOCK_IDLE_CONTROL,
  324. .rate_offset = CKCTL_TCDIV_OFFSET,
  325. .recalc = &omap1_ckctl_recalc,
  326. .enable = &omap1_clk_enable_generic,
  327. .disable = &omap1_clk_disable_generic,
  328. },
  329. .idlect_shift = 6,
  330. };
  331. static struct clk arminth_ck1510 = {
  332. .name = "arminth_ck",
  333. .parent = &tc_ck.clk,
  334. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
  335. ALWAYS_ENABLED,
  336. .recalc = &followparent_recalc,
  337. /* Note: On 1510 the frequency follows TC_CK
  338. *
  339. * 16xx version is in MPU clocks.
  340. */
  341. .enable = &omap1_clk_enable_generic,
  342. .disable = &omap1_clk_disable_generic,
  343. };
  344. static struct clk tipb_ck = {
  345. /* No-idle controlled by "tc_ck" */
  346. .name = "tibp_ck",
  347. .parent = &tc_ck.clk,
  348. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
  349. ALWAYS_ENABLED,
  350. .recalc = &followparent_recalc,
  351. .enable = &omap1_clk_enable_generic,
  352. .disable = &omap1_clk_disable_generic,
  353. };
  354. static struct clk l3_ocpi_ck = {
  355. /* No-idle controlled by "tc_ck" */
  356. .name = "l3_ocpi_ck",
  357. .parent = &tc_ck.clk,
  358. .flags = CLOCK_IN_OMAP16XX,
  359. .enable_reg = (void __iomem *)ARM_IDLECT3,
  360. .enable_bit = EN_OCPI_CK,
  361. .recalc = &followparent_recalc,
  362. .enable = &omap1_clk_enable_generic,
  363. .disable = &omap1_clk_disable_generic,
  364. };
  365. static struct clk tc1_ck = {
  366. .name = "tc1_ck",
  367. .parent = &tc_ck.clk,
  368. .flags = CLOCK_IN_OMAP16XX,
  369. .enable_reg = (void __iomem *)ARM_IDLECT3,
  370. .enable_bit = EN_TC1_CK,
  371. .recalc = &followparent_recalc,
  372. .enable = &omap1_clk_enable_generic,
  373. .disable = &omap1_clk_disable_generic,
  374. };
  375. static struct clk tc2_ck = {
  376. .name = "tc2_ck",
  377. .parent = &tc_ck.clk,
  378. .flags = CLOCK_IN_OMAP16XX,
  379. .enable_reg = (void __iomem *)ARM_IDLECT3,
  380. .enable_bit = EN_TC2_CK,
  381. .recalc = &followparent_recalc,
  382. .enable = &omap1_clk_enable_generic,
  383. .disable = &omap1_clk_disable_generic,
  384. };
  385. static struct clk dma_ck = {
  386. /* No-idle controlled by "tc_ck" */
  387. .name = "dma_ck",
  388. .parent = &tc_ck.clk,
  389. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  390. CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
  391. .recalc = &followparent_recalc,
  392. .enable = &omap1_clk_enable_generic,
  393. .disable = &omap1_clk_disable_generic,
  394. };
  395. static struct clk dma_lcdfree_ck = {
  396. .name = "dma_lcdfree_ck",
  397. .parent = &tc_ck.clk,
  398. .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
  399. .recalc = &followparent_recalc,
  400. .enable = &omap1_clk_enable_generic,
  401. .disable = &omap1_clk_disable_generic,
  402. };
  403. static struct arm_idlect1_clk api_ck = {
  404. .clk = {
  405. .name = "api_ck",
  406. .parent = &tc_ck.clk,
  407. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  408. CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL,
  409. .enable_reg = (void __iomem *)ARM_IDLECT2,
  410. .enable_bit = EN_APICK,
  411. .recalc = &followparent_recalc,
  412. .enable = &omap1_clk_enable_generic,
  413. .disable = &omap1_clk_disable_generic,
  414. },
  415. .idlect_shift = 8,
  416. };
  417. static struct arm_idlect1_clk lb_ck = {
  418. .clk = {
  419. .name = "lb_ck",
  420. .parent = &tc_ck.clk,
  421. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
  422. CLOCK_IDLE_CONTROL,
  423. .enable_reg = (void __iomem *)ARM_IDLECT2,
  424. .enable_bit = EN_LBCK,
  425. .recalc = &followparent_recalc,
  426. .enable = &omap1_clk_enable_generic,
  427. .disable = &omap1_clk_disable_generic,
  428. },
  429. .idlect_shift = 4,
  430. };
  431. static struct clk rhea1_ck = {
  432. .name = "rhea1_ck",
  433. .parent = &tc_ck.clk,
  434. .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
  435. .recalc = &followparent_recalc,
  436. .enable = &omap1_clk_enable_generic,
  437. .disable = &omap1_clk_disable_generic,
  438. };
  439. static struct clk rhea2_ck = {
  440. .name = "rhea2_ck",
  441. .parent = &tc_ck.clk,
  442. .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
  443. .recalc = &followparent_recalc,
  444. .enable = &omap1_clk_enable_generic,
  445. .disable = &omap1_clk_disable_generic,
  446. };
  447. static struct clk lcd_ck_16xx = {
  448. .name = "lcd_ck",
  449. .parent = &ck_dpll1,
  450. .flags = CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730 | RATE_CKCTL,
  451. .enable_reg = (void __iomem *)ARM_IDLECT2,
  452. .enable_bit = EN_LCDCK,
  453. .rate_offset = CKCTL_LCDDIV_OFFSET,
  454. .recalc = &omap1_ckctl_recalc,
  455. .enable = &omap1_clk_enable_generic,
  456. .disable = &omap1_clk_disable_generic,
  457. };
  458. static struct arm_idlect1_clk lcd_ck_1510 = {
  459. .clk = {
  460. .name = "lcd_ck",
  461. .parent = &ck_dpll1,
  462. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
  463. RATE_CKCTL | CLOCK_IDLE_CONTROL,
  464. .enable_reg = (void __iomem *)ARM_IDLECT2,
  465. .enable_bit = EN_LCDCK,
  466. .rate_offset = CKCTL_LCDDIV_OFFSET,
  467. .recalc = &omap1_ckctl_recalc,
  468. .enable = &omap1_clk_enable_generic,
  469. .disable = &omap1_clk_disable_generic,
  470. },
  471. .idlect_shift = 3,
  472. };
  473. static struct clk uart1_1510 = {
  474. .name = "uart1_ck",
  475. /* Direct from ULPD, no real parent */
  476. .parent = &armper_ck.clk,
  477. .rate = 12000000,
  478. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
  479. ENABLE_REG_32BIT | ALWAYS_ENABLED |
  480. CLOCK_NO_IDLE_PARENT,
  481. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  482. .enable_bit = 29, /* Chooses between 12MHz and 48MHz */
  483. .set_rate = &omap1_set_uart_rate,
  484. .recalc = &omap1_uart_recalc,
  485. .enable = &omap1_clk_enable_generic,
  486. .disable = &omap1_clk_disable_generic,
  487. };
  488. static struct uart_clk uart1_16xx = {
  489. .clk = {
  490. .name = "uart1_ck",
  491. /* Direct from ULPD, no real parent */
  492. .parent = &armper_ck.clk,
  493. .rate = 48000000,
  494. .flags = CLOCK_IN_OMAP16XX | RATE_FIXED |
  495. ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
  496. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  497. .enable_bit = 29,
  498. .enable = &omap1_clk_enable_uart_functional,
  499. .disable = &omap1_clk_disable_uart_functional,
  500. },
  501. .sysc_addr = 0xfffb0054,
  502. };
  503. static struct clk uart2_ck = {
  504. .name = "uart2_ck",
  505. /* Direct from ULPD, no real parent */
  506. .parent = &armper_ck.clk,
  507. .rate = 12000000,
  508. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  509. CLOCK_IN_OMAP310 | ENABLE_REG_32BIT |
  510. ALWAYS_ENABLED | CLOCK_NO_IDLE_PARENT,
  511. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  512. .enable_bit = 30, /* Chooses between 12MHz and 48MHz */
  513. .set_rate = &omap1_set_uart_rate,
  514. .recalc = &omap1_uart_recalc,
  515. .enable = &omap1_clk_enable_generic,
  516. .disable = &omap1_clk_disable_generic,
  517. };
  518. static struct clk uart3_1510 = {
  519. .name = "uart3_ck",
  520. /* Direct from ULPD, no real parent */
  521. .parent = &armper_ck.clk,
  522. .rate = 12000000,
  523. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
  524. ENABLE_REG_32BIT | ALWAYS_ENABLED |
  525. CLOCK_NO_IDLE_PARENT,
  526. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  527. .enable_bit = 31, /* Chooses between 12MHz and 48MHz */
  528. .set_rate = &omap1_set_uart_rate,
  529. .recalc = &omap1_uart_recalc,
  530. .enable = &omap1_clk_enable_generic,
  531. .disable = &omap1_clk_disable_generic,
  532. };
  533. static struct uart_clk uart3_16xx = {
  534. .clk = {
  535. .name = "uart3_ck",
  536. /* Direct from ULPD, no real parent */
  537. .parent = &armper_ck.clk,
  538. .rate = 48000000,
  539. .flags = CLOCK_IN_OMAP16XX | RATE_FIXED |
  540. ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
  541. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  542. .enable_bit = 31,
  543. .enable = &omap1_clk_enable_uart_functional,
  544. .disable = &omap1_clk_disable_uart_functional,
  545. },
  546. .sysc_addr = 0xfffb9854,
  547. };
  548. static struct clk usb_clko = { /* 6 MHz output on W4_USB_CLKO */
  549. .name = "usb_clko",
  550. /* Direct from ULPD, no parent */
  551. .rate = 6000000,
  552. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  553. CLOCK_IN_OMAP310 | RATE_FIXED | ENABLE_REG_32BIT,
  554. .enable_reg = (void __iomem *)ULPD_CLOCK_CTRL,
  555. .enable_bit = USB_MCLK_EN_BIT,
  556. .enable = &omap1_clk_enable_generic,
  557. .disable = &omap1_clk_disable_generic,
  558. };
  559. static struct clk usb_hhc_ck1510 = {
  560. .name = "usb_hhc_ck",
  561. /* Direct from ULPD, no parent */
  562. .rate = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */
  563. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
  564. RATE_FIXED | ENABLE_REG_32BIT,
  565. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  566. .enable_bit = USB_HOST_HHC_UHOST_EN,
  567. .enable = &omap1_clk_enable_generic,
  568. .disable = &omap1_clk_disable_generic,
  569. };
  570. static struct clk usb_hhc_ck16xx = {
  571. .name = "usb_hhc_ck",
  572. /* Direct from ULPD, no parent */
  573. .rate = 48000000,
  574. /* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */
  575. .flags = CLOCK_IN_OMAP16XX |
  576. RATE_FIXED | ENABLE_REG_32BIT,
  577. .enable_reg = (void __iomem *)OTG_BASE + 0x08 /* OTG_SYSCON_2 */,
  578. .enable_bit = 8 /* UHOST_EN */,
  579. .enable = &omap1_clk_enable_generic,
  580. .disable = &omap1_clk_disable_generic,
  581. };
  582. static struct clk usb_dc_ck = {
  583. .name = "usb_dc_ck",
  584. /* Direct from ULPD, no parent */
  585. .rate = 48000000,
  586. .flags = CLOCK_IN_OMAP16XX | RATE_FIXED,
  587. .enable_reg = (void __iomem *)SOFT_REQ_REG,
  588. .enable_bit = 4,
  589. .enable = &omap1_clk_enable_generic,
  590. .disable = &omap1_clk_disable_generic,
  591. };
  592. static struct clk mclk_1510 = {
  593. .name = "mclk",
  594. /* Direct from ULPD, no parent. May be enabled by ext hardware. */
  595. .rate = 12000000,
  596. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | RATE_FIXED,
  597. .enable_reg = (void __iomem *)SOFT_REQ_REG,
  598. .enable_bit = 6,
  599. .enable = &omap1_clk_enable_generic,
  600. .disable = &omap1_clk_disable_generic,
  601. };
  602. static struct clk mclk_16xx = {
  603. .name = "mclk",
  604. /* Direct from ULPD, no parent. May be enabled by ext hardware. */
  605. .flags = CLOCK_IN_OMAP16XX,
  606. .enable_reg = (void __iomem *)COM_CLK_DIV_CTRL_SEL,
  607. .enable_bit = COM_ULPD_PLL_CLK_REQ,
  608. .set_rate = &omap1_set_ext_clk_rate,
  609. .round_rate = &omap1_round_ext_clk_rate,
  610. .init = &omap1_init_ext_clk,
  611. .enable = &omap1_clk_enable_generic,
  612. .disable = &omap1_clk_disable_generic,
  613. };
  614. static struct clk bclk_1510 = {
  615. .name = "bclk",
  616. /* Direct from ULPD, no parent. May be enabled by ext hardware. */
  617. .rate = 12000000,
  618. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | RATE_FIXED,
  619. .enable = &omap1_clk_enable_generic,
  620. .disable = &omap1_clk_disable_generic,
  621. };
  622. static struct clk bclk_16xx = {
  623. .name = "bclk",
  624. /* Direct from ULPD, no parent. May be enabled by ext hardware. */
  625. .flags = CLOCK_IN_OMAP16XX,
  626. .enable_reg = (void __iomem *)SWD_CLK_DIV_CTRL_SEL,
  627. .enable_bit = SWD_ULPD_PLL_CLK_REQ,
  628. .set_rate = &omap1_set_ext_clk_rate,
  629. .round_rate = &omap1_round_ext_clk_rate,
  630. .init = &omap1_init_ext_clk,
  631. .enable = &omap1_clk_enable_generic,
  632. .disable = &omap1_clk_disable_generic,
  633. };
  634. static struct clk mmc1_ck = {
  635. .name = "mmc_ck",
  636. .id = 1,
  637. /* Functional clock is direct from ULPD, interface clock is ARMPER */
  638. .parent = &armper_ck.clk,
  639. .rate = 48000000,
  640. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  641. CLOCK_IN_OMAP310 | RATE_FIXED | ENABLE_REG_32BIT |
  642. CLOCK_NO_IDLE_PARENT,
  643. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  644. .enable_bit = 23,
  645. .enable = &omap1_clk_enable_generic,
  646. .disable = &omap1_clk_disable_generic,
  647. };
  648. static struct clk mmc2_ck = {
  649. .name = "mmc_ck",
  650. .id = 2,
  651. /* Functional clock is direct from ULPD, interface clock is ARMPER */
  652. .parent = &armper_ck.clk,
  653. .rate = 48000000,
  654. .flags = CLOCK_IN_OMAP16XX |
  655. RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
  656. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  657. .enable_bit = 20,
  658. .enable = &omap1_clk_enable_generic,
  659. .disable = &omap1_clk_disable_generic,
  660. };
  661. static struct clk virtual_ck_mpu = {
  662. .name = "mpu",
  663. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  664. CLOCK_IN_OMAP310 | VIRTUAL_CLOCK | ALWAYS_ENABLED,
  665. .parent = &arm_ck, /* Is smarter alias for */
  666. .recalc = &followparent_recalc,
  667. .set_rate = &omap1_select_table_rate,
  668. .round_rate = &omap1_round_to_table_rate,
  669. .enable = &omap1_clk_enable_generic,
  670. .disable = &omap1_clk_disable_generic,
  671. };
  672. /* virtual functional clock domain for I2C. Just for making sure that ARMXOR_CK
  673. remains active during MPU idle whenever this is enabled */
  674. static struct clk i2c_fck = {
  675. .name = "i2c_fck",
  676. .id = 1,
  677. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  678. VIRTUAL_CLOCK | CLOCK_NO_IDLE_PARENT |
  679. ALWAYS_ENABLED,
  680. .parent = &armxor_ck.clk,
  681. .recalc = &followparent_recalc,
  682. .enable = &omap1_clk_enable_generic,
  683. .disable = &omap1_clk_disable_generic,
  684. };
  685. static struct clk * onchip_clks[] = {
  686. /* non-ULPD clocks */
  687. &ck_ref,
  688. &ck_dpll1,
  689. /* CK_GEN1 clocks */
  690. &ck_dpll1out.clk,
  691. &arm_ck,
  692. &armper_ck.clk,
  693. &arm_gpio_ck,
  694. &armxor_ck.clk,
  695. &armtim_ck.clk,
  696. &armwdt_ck.clk,
  697. &arminth_ck1510, &arminth_ck16xx,
  698. /* CK_GEN2 clocks */
  699. &dsp_ck,
  700. &dspmmu_ck,
  701. &dspper_ck,
  702. &dspxor_ck,
  703. &dsptim_ck,
  704. /* CK_GEN3 clocks */
  705. &tc_ck.clk,
  706. &tipb_ck,
  707. &l3_ocpi_ck,
  708. &tc1_ck,
  709. &tc2_ck,
  710. &dma_ck,
  711. &dma_lcdfree_ck,
  712. &api_ck.clk,
  713. &lb_ck.clk,
  714. &rhea1_ck,
  715. &rhea2_ck,
  716. &lcd_ck_16xx,
  717. &lcd_ck_1510.clk,
  718. /* ULPD clocks */
  719. &uart1_1510,
  720. &uart1_16xx.clk,
  721. &uart2_ck,
  722. &uart3_1510,
  723. &uart3_16xx.clk,
  724. &usb_clko,
  725. &usb_hhc_ck1510, &usb_hhc_ck16xx,
  726. &usb_dc_ck,
  727. &mclk_1510, &mclk_16xx,
  728. &bclk_1510, &bclk_16xx,
  729. &mmc1_ck,
  730. &mmc2_ck,
  731. /* Virtual clocks */
  732. &virtual_ck_mpu,
  733. &i2c_fck,
  734. };
  735. #endif