clock.h 24 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 int omap1_set_sossi_rate(struct clk *clk, unsigned long rate);
  19. static void omap1_sossi_recalc(struct clk *clk);
  20. static void omap1_ckctl_recalc_dsp_domain(struct clk * clk);
  21. static int omap1_clk_enable_dsp_domain(struct clk * clk);
  22. static int omap1_clk_set_rate_dsp_domain(struct clk * clk, unsigned long rate);
  23. static void omap1_clk_disable_dsp_domain(struct clk * clk);
  24. static int omap1_set_uart_rate(struct clk * clk, unsigned long rate);
  25. static void omap1_uart_recalc(struct clk * clk);
  26. static int omap1_clk_enable_uart_functional(struct clk * clk);
  27. static void omap1_clk_disable_uart_functional(struct clk * clk);
  28. static int omap1_set_ext_clk_rate(struct clk * clk, unsigned long rate);
  29. static long omap1_round_ext_clk_rate(struct clk * clk, unsigned long rate);
  30. static void omap1_init_ext_clk(struct clk * clk);
  31. static int omap1_select_table_rate(struct clk * clk, unsigned long rate);
  32. static long omap1_round_to_table_rate(struct clk * clk, unsigned long rate);
  33. static int omap1_clk_enable(struct clk *clk);
  34. static void omap1_clk_disable(struct clk *clk);
  35. struct mpu_rate {
  36. unsigned long rate;
  37. unsigned long xtal;
  38. unsigned long pll_rate;
  39. __u16 ckctl_val;
  40. __u16 dpllctl_val;
  41. };
  42. struct uart_clk {
  43. struct clk clk;
  44. unsigned long sysc_addr;
  45. };
  46. /* Provide a method for preventing idling some ARM IDLECT clocks */
  47. struct arm_idlect1_clk {
  48. struct clk clk;
  49. unsigned long no_idle_count;
  50. __u8 idlect_shift;
  51. };
  52. /* ARM_CKCTL bit shifts */
  53. #define CKCTL_PERDIV_OFFSET 0
  54. #define CKCTL_LCDDIV_OFFSET 2
  55. #define CKCTL_ARMDIV_OFFSET 4
  56. #define CKCTL_DSPDIV_OFFSET 6
  57. #define CKCTL_TCDIV_OFFSET 8
  58. #define CKCTL_DSPMMUDIV_OFFSET 10
  59. /*#define ARM_TIMXO 12*/
  60. #define EN_DSPCK 13
  61. /*#define ARM_INTHCK_SEL 14*/ /* Divide-by-2 for mpu inth_ck */
  62. /* DSP_CKCTL bit shifts */
  63. #define CKCTL_DSPPERDIV_OFFSET 0
  64. /* ARM_IDLECT2 bit shifts */
  65. #define EN_WDTCK 0
  66. #define EN_XORPCK 1
  67. #define EN_PERCK 2
  68. #define EN_LCDCK 3
  69. #define EN_LBCK 4 /* Not on 1610/1710 */
  70. /*#define EN_HSABCK 5*/
  71. #define EN_APICK 6
  72. #define EN_TIMCK 7
  73. #define DMACK_REQ 8
  74. #define EN_GPIOCK 9 /* Not on 1610/1710 */
  75. /*#define EN_LBFREECK 10*/
  76. #define EN_CKOUT_ARM 11
  77. /* ARM_IDLECT3 bit shifts */
  78. #define EN_OCPI_CK 0
  79. #define EN_TC1_CK 2
  80. #define EN_TC2_CK 4
  81. /* DSP_IDLECT2 bit shifts (0,1,2 are same as for ARM_IDLECT2) */
  82. #define EN_DSPTIMCK 5
  83. /* Various register defines for clock controls scattered around OMAP chip */
  84. #define SDW_MCLK_INV_BIT 2 /* In ULPD_CLKC_CTRL */
  85. #define USB_MCLK_EN_BIT 4 /* In ULPD_CLKC_CTRL */
  86. #define USB_HOST_HHC_UHOST_EN 9 /* In MOD_CONF_CTRL_0 */
  87. #define SWD_ULPD_PLL_CLK_REQ 1 /* In SWD_CLK_DIV_CTRL_SEL */
  88. #define COM_ULPD_PLL_CLK_REQ 1 /* In COM_CLK_DIV_CTRL_SEL */
  89. #define SWD_CLK_DIV_CTRL_SEL 0xfffe0874
  90. #define COM_CLK_DIV_CTRL_SEL 0xfffe0878
  91. #define SOFT_REQ_REG 0xfffe0834
  92. #define SOFT_REQ_REG2 0xfffe0880
  93. /*-------------------------------------------------------------------------
  94. * Omap1 MPU rate table
  95. *-------------------------------------------------------------------------*/
  96. static struct mpu_rate rate_table[] = {
  97. /* MPU MHz, xtal MHz, dpll1 MHz, CKCTL, DPLL_CTL
  98. * NOTE: Comment order here is different from bits in CKCTL value:
  99. * armdiv, dspdiv, dspmmu, tcdiv, perdiv, lcddiv
  100. */
  101. #if defined(CONFIG_OMAP_ARM_216MHZ)
  102. { 216000000, 12000000, 216000000, 0x050d, 0x2910 }, /* 1/1/2/2/2/8 */
  103. #endif
  104. #if defined(CONFIG_OMAP_ARM_195MHZ)
  105. { 195000000, 13000000, 195000000, 0x050e, 0x2790 }, /* 1/1/2/2/4/8 */
  106. #endif
  107. #if defined(CONFIG_OMAP_ARM_192MHZ)
  108. { 192000000, 19200000, 192000000, 0x050f, 0x2510 }, /* 1/1/2/2/8/8 */
  109. { 192000000, 12000000, 192000000, 0x050f, 0x2810 }, /* 1/1/2/2/8/8 */
  110. { 96000000, 12000000, 192000000, 0x055f, 0x2810 }, /* 2/2/2/2/8/8 */
  111. { 48000000, 12000000, 192000000, 0x0baf, 0x2810 }, /* 4/4/4/8/8/8 */
  112. { 24000000, 12000000, 192000000, 0x0fff, 0x2810 }, /* 8/8/8/8/8/8 */
  113. #endif
  114. #if defined(CONFIG_OMAP_ARM_182MHZ)
  115. { 182000000, 13000000, 182000000, 0x050e, 0x2710 }, /* 1/1/2/2/4/8 */
  116. #endif
  117. #if defined(CONFIG_OMAP_ARM_168MHZ)
  118. { 168000000, 12000000, 168000000, 0x010f, 0x2710 }, /* 1/1/1/2/8/8 */
  119. #endif
  120. #if defined(CONFIG_OMAP_ARM_150MHZ)
  121. { 150000000, 12000000, 150000000, 0x010a, 0x2cb0 }, /* 1/1/1/2/4/4 */
  122. #endif
  123. #if defined(CONFIG_OMAP_ARM_120MHZ)
  124. { 120000000, 12000000, 120000000, 0x010a, 0x2510 }, /* 1/1/1/2/4/4 */
  125. #endif
  126. #if defined(CONFIG_OMAP_ARM_96MHZ)
  127. { 96000000, 12000000, 96000000, 0x0005, 0x2410 }, /* 1/1/1/1/2/2 */
  128. #endif
  129. #if defined(CONFIG_OMAP_ARM_60MHZ)
  130. { 60000000, 12000000, 60000000, 0x0005, 0x2290 }, /* 1/1/1/1/2/2 */
  131. #endif
  132. #if defined(CONFIG_OMAP_ARM_30MHZ)
  133. { 30000000, 12000000, 60000000, 0x0555, 0x2290 }, /* 2/2/2/2/2/2 */
  134. #endif
  135. { 0, 0, 0, 0, 0 },
  136. };
  137. /*-------------------------------------------------------------------------
  138. * Omap1 clocks
  139. *-------------------------------------------------------------------------*/
  140. static struct clk ck_ref = {
  141. .name = "ck_ref",
  142. .rate = 12000000,
  143. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  144. CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
  145. .enable = &omap1_clk_enable_generic,
  146. .disable = &omap1_clk_disable_generic,
  147. };
  148. static struct clk ck_dpll1 = {
  149. .name = "ck_dpll1",
  150. .parent = &ck_ref,
  151. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  152. CLOCK_IN_OMAP310 | RATE_PROPAGATES | ALWAYS_ENABLED,
  153. .enable = &omap1_clk_enable_generic,
  154. .disable = &omap1_clk_disable_generic,
  155. };
  156. static struct arm_idlect1_clk ck_dpll1out = {
  157. .clk = {
  158. .name = "ck_dpll1out",
  159. .parent = &ck_dpll1,
  160. .flags = CLOCK_IN_OMAP16XX | CLOCK_IDLE_CONTROL |
  161. ENABLE_REG_32BIT | RATE_PROPAGATES,
  162. .enable_reg = (void __iomem *)ARM_IDLECT2,
  163. .enable_bit = EN_CKOUT_ARM,
  164. .recalc = &followparent_recalc,
  165. .enable = &omap1_clk_enable_generic,
  166. .disable = &omap1_clk_disable_generic,
  167. },
  168. .idlect_shift = 12,
  169. };
  170. static struct clk sossi_ck = {
  171. .name = "ck_sossi",
  172. .parent = &ck_dpll1out.clk,
  173. .flags = CLOCK_IN_OMAP16XX | CLOCK_NO_IDLE_PARENT |
  174. ENABLE_REG_32BIT,
  175. .enable_reg = (void __iomem *)MOD_CONF_CTRL_1,
  176. .enable_bit = 16,
  177. .recalc = &omap1_sossi_recalc,
  178. .set_rate = &omap1_set_sossi_rate,
  179. .enable = &omap1_clk_enable_generic,
  180. .disable = &omap1_clk_disable_generic,
  181. };
  182. static struct clk arm_ck = {
  183. .name = "arm_ck",
  184. .parent = &ck_dpll1,
  185. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  186. CLOCK_IN_OMAP310 | RATE_CKCTL | RATE_PROPAGATES |
  187. ALWAYS_ENABLED,
  188. .rate_offset = CKCTL_ARMDIV_OFFSET,
  189. .recalc = &omap1_ckctl_recalc,
  190. .enable = &omap1_clk_enable_generic,
  191. .disable = &omap1_clk_disable_generic,
  192. };
  193. static struct arm_idlect1_clk armper_ck = {
  194. .clk = {
  195. .name = "armper_ck",
  196. .parent = &ck_dpll1,
  197. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  198. CLOCK_IN_OMAP310 | RATE_CKCTL |
  199. CLOCK_IDLE_CONTROL,
  200. .enable_reg = (void __iomem *)ARM_IDLECT2,
  201. .enable_bit = EN_PERCK,
  202. .rate_offset = CKCTL_PERDIV_OFFSET,
  203. .recalc = &omap1_ckctl_recalc,
  204. .enable = &omap1_clk_enable_generic,
  205. .disable = &omap1_clk_disable_generic,
  206. },
  207. .idlect_shift = 2,
  208. };
  209. static struct clk arm_gpio_ck = {
  210. .name = "arm_gpio_ck",
  211. .parent = &ck_dpll1,
  212. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
  213. .enable_reg = (void __iomem *)ARM_IDLECT2,
  214. .enable_bit = EN_GPIOCK,
  215. .recalc = &followparent_recalc,
  216. .enable = &omap1_clk_enable_generic,
  217. .disable = &omap1_clk_disable_generic,
  218. };
  219. static struct arm_idlect1_clk armxor_ck = {
  220. .clk = {
  221. .name = "armxor_ck",
  222. .parent = &ck_ref,
  223. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  224. CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL,
  225. .enable_reg = (void __iomem *)ARM_IDLECT2,
  226. .enable_bit = EN_XORPCK,
  227. .recalc = &followparent_recalc,
  228. .enable = &omap1_clk_enable_generic,
  229. .disable = &omap1_clk_disable_generic,
  230. },
  231. .idlect_shift = 1,
  232. };
  233. static struct arm_idlect1_clk armtim_ck = {
  234. .clk = {
  235. .name = "armtim_ck",
  236. .parent = &ck_ref,
  237. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  238. CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL,
  239. .enable_reg = (void __iomem *)ARM_IDLECT2,
  240. .enable_bit = EN_TIMCK,
  241. .recalc = &followparent_recalc,
  242. .enable = &omap1_clk_enable_generic,
  243. .disable = &omap1_clk_disable_generic,
  244. },
  245. .idlect_shift = 9,
  246. };
  247. static struct arm_idlect1_clk armwdt_ck = {
  248. .clk = {
  249. .name = "armwdt_ck",
  250. .parent = &ck_ref,
  251. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  252. CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL,
  253. .enable_reg = (void __iomem *)ARM_IDLECT2,
  254. .enable_bit = EN_WDTCK,
  255. .recalc = &omap1_watchdog_recalc,
  256. .enable = &omap1_clk_enable_generic,
  257. .disable = &omap1_clk_disable_generic,
  258. },
  259. .idlect_shift = 0,
  260. };
  261. static struct clk arminth_ck16xx = {
  262. .name = "arminth_ck",
  263. .parent = &arm_ck,
  264. .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
  265. .recalc = &followparent_recalc,
  266. /* Note: On 16xx the frequency can be divided by 2 by programming
  267. * ARM_CKCTL:ARM_INTHCK_SEL(14) to 1
  268. *
  269. * 1510 version is in TC clocks.
  270. */
  271. .enable = &omap1_clk_enable_generic,
  272. .disable = &omap1_clk_disable_generic,
  273. };
  274. static struct clk dsp_ck = {
  275. .name = "dsp_ck",
  276. .parent = &ck_dpll1,
  277. .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  278. RATE_CKCTL,
  279. .enable_reg = (void __iomem *)ARM_CKCTL,
  280. .enable_bit = EN_DSPCK,
  281. .rate_offset = CKCTL_DSPDIV_OFFSET,
  282. .recalc = &omap1_ckctl_recalc,
  283. .enable = &omap1_clk_enable_generic,
  284. .disable = &omap1_clk_disable_generic,
  285. };
  286. static struct clk dspmmu_ck = {
  287. .name = "dspmmu_ck",
  288. .parent = &ck_dpll1,
  289. .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  290. RATE_CKCTL | ALWAYS_ENABLED,
  291. .rate_offset = CKCTL_DSPMMUDIV_OFFSET,
  292. .recalc = &omap1_ckctl_recalc,
  293. .enable = &omap1_clk_enable_generic,
  294. .disable = &omap1_clk_disable_generic,
  295. };
  296. static struct clk dspper_ck = {
  297. .name = "dspper_ck",
  298. .parent = &ck_dpll1,
  299. .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  300. RATE_CKCTL | VIRTUAL_IO_ADDRESS,
  301. .enable_reg = (void __iomem *)DSP_IDLECT2,
  302. .enable_bit = EN_PERCK,
  303. .rate_offset = CKCTL_PERDIV_OFFSET,
  304. .recalc = &omap1_ckctl_recalc_dsp_domain,
  305. .set_rate = &omap1_clk_set_rate_dsp_domain,
  306. .enable = &omap1_clk_enable_dsp_domain,
  307. .disable = &omap1_clk_disable_dsp_domain,
  308. };
  309. static struct clk dspxor_ck = {
  310. .name = "dspxor_ck",
  311. .parent = &ck_ref,
  312. .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  313. VIRTUAL_IO_ADDRESS,
  314. .enable_reg = (void __iomem *)DSP_IDLECT2,
  315. .enable_bit = EN_XORPCK,
  316. .recalc = &followparent_recalc,
  317. .enable = &omap1_clk_enable_dsp_domain,
  318. .disable = &omap1_clk_disable_dsp_domain,
  319. };
  320. static struct clk dsptim_ck = {
  321. .name = "dsptim_ck",
  322. .parent = &ck_ref,
  323. .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  324. VIRTUAL_IO_ADDRESS,
  325. .enable_reg = (void __iomem *)DSP_IDLECT2,
  326. .enable_bit = EN_DSPTIMCK,
  327. .recalc = &followparent_recalc,
  328. .enable = &omap1_clk_enable_dsp_domain,
  329. .disable = &omap1_clk_disable_dsp_domain,
  330. };
  331. /* Tie ARM_IDLECT1:IDLIF_ARM to this logical clock structure */
  332. static struct arm_idlect1_clk tc_ck = {
  333. .clk = {
  334. .name = "tc_ck",
  335. .parent = &ck_dpll1,
  336. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  337. CLOCK_IN_OMAP730 | CLOCK_IN_OMAP310 |
  338. RATE_CKCTL | RATE_PROPAGATES |
  339. ALWAYS_ENABLED | CLOCK_IDLE_CONTROL,
  340. .rate_offset = CKCTL_TCDIV_OFFSET,
  341. .recalc = &omap1_ckctl_recalc,
  342. .enable = &omap1_clk_enable_generic,
  343. .disable = &omap1_clk_disable_generic,
  344. },
  345. .idlect_shift = 6,
  346. };
  347. static struct clk arminth_ck1510 = {
  348. .name = "arminth_ck",
  349. .parent = &tc_ck.clk,
  350. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
  351. ALWAYS_ENABLED,
  352. .recalc = &followparent_recalc,
  353. /* Note: On 1510 the frequency follows TC_CK
  354. *
  355. * 16xx version is in MPU clocks.
  356. */
  357. .enable = &omap1_clk_enable_generic,
  358. .disable = &omap1_clk_disable_generic,
  359. };
  360. static struct clk tipb_ck = {
  361. /* No-idle controlled by "tc_ck" */
  362. .name = "tipb_ck",
  363. .parent = &tc_ck.clk,
  364. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
  365. ALWAYS_ENABLED,
  366. .recalc = &followparent_recalc,
  367. .enable = &omap1_clk_enable_generic,
  368. .disable = &omap1_clk_disable_generic,
  369. };
  370. static struct clk l3_ocpi_ck = {
  371. /* No-idle controlled by "tc_ck" */
  372. .name = "l3_ocpi_ck",
  373. .parent = &tc_ck.clk,
  374. .flags = CLOCK_IN_OMAP16XX,
  375. .enable_reg = (void __iomem *)ARM_IDLECT3,
  376. .enable_bit = EN_OCPI_CK,
  377. .recalc = &followparent_recalc,
  378. .enable = &omap1_clk_enable_generic,
  379. .disable = &omap1_clk_disable_generic,
  380. };
  381. static struct clk tc1_ck = {
  382. .name = "tc1_ck",
  383. .parent = &tc_ck.clk,
  384. .flags = CLOCK_IN_OMAP16XX,
  385. .enable_reg = (void __iomem *)ARM_IDLECT3,
  386. .enable_bit = EN_TC1_CK,
  387. .recalc = &followparent_recalc,
  388. .enable = &omap1_clk_enable_generic,
  389. .disable = &omap1_clk_disable_generic,
  390. };
  391. static struct clk tc2_ck = {
  392. .name = "tc2_ck",
  393. .parent = &tc_ck.clk,
  394. .flags = CLOCK_IN_OMAP16XX,
  395. .enable_reg = (void __iomem *)ARM_IDLECT3,
  396. .enable_bit = EN_TC2_CK,
  397. .recalc = &followparent_recalc,
  398. .enable = &omap1_clk_enable_generic,
  399. .disable = &omap1_clk_disable_generic,
  400. };
  401. static struct clk dma_ck = {
  402. /* No-idle controlled by "tc_ck" */
  403. .name = "dma_ck",
  404. .parent = &tc_ck.clk,
  405. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  406. CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
  407. .recalc = &followparent_recalc,
  408. .enable = &omap1_clk_enable_generic,
  409. .disable = &omap1_clk_disable_generic,
  410. };
  411. static struct clk dma_lcdfree_ck = {
  412. .name = "dma_lcdfree_ck",
  413. .parent = &tc_ck.clk,
  414. .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
  415. .recalc = &followparent_recalc,
  416. .enable = &omap1_clk_enable_generic,
  417. .disable = &omap1_clk_disable_generic,
  418. };
  419. static struct arm_idlect1_clk api_ck = {
  420. .clk = {
  421. .name = "api_ck",
  422. .parent = &tc_ck.clk,
  423. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  424. CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL,
  425. .enable_reg = (void __iomem *)ARM_IDLECT2,
  426. .enable_bit = EN_APICK,
  427. .recalc = &followparent_recalc,
  428. .enable = &omap1_clk_enable_generic,
  429. .disable = &omap1_clk_disable_generic,
  430. },
  431. .idlect_shift = 8,
  432. };
  433. static struct arm_idlect1_clk lb_ck = {
  434. .clk = {
  435. .name = "lb_ck",
  436. .parent = &tc_ck.clk,
  437. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
  438. CLOCK_IDLE_CONTROL,
  439. .enable_reg = (void __iomem *)ARM_IDLECT2,
  440. .enable_bit = EN_LBCK,
  441. .recalc = &followparent_recalc,
  442. .enable = &omap1_clk_enable_generic,
  443. .disable = &omap1_clk_disable_generic,
  444. },
  445. .idlect_shift = 4,
  446. };
  447. static struct clk rhea1_ck = {
  448. .name = "rhea1_ck",
  449. .parent = &tc_ck.clk,
  450. .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
  451. .recalc = &followparent_recalc,
  452. .enable = &omap1_clk_enable_generic,
  453. .disable = &omap1_clk_disable_generic,
  454. };
  455. static struct clk rhea2_ck = {
  456. .name = "rhea2_ck",
  457. .parent = &tc_ck.clk,
  458. .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
  459. .recalc = &followparent_recalc,
  460. .enable = &omap1_clk_enable_generic,
  461. .disable = &omap1_clk_disable_generic,
  462. };
  463. static struct clk lcd_ck_16xx = {
  464. .name = "lcd_ck",
  465. .parent = &ck_dpll1,
  466. .flags = CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730 | RATE_CKCTL,
  467. .enable_reg = (void __iomem *)ARM_IDLECT2,
  468. .enable_bit = EN_LCDCK,
  469. .rate_offset = CKCTL_LCDDIV_OFFSET,
  470. .recalc = &omap1_ckctl_recalc,
  471. .enable = &omap1_clk_enable_generic,
  472. .disable = &omap1_clk_disable_generic,
  473. };
  474. static struct arm_idlect1_clk lcd_ck_1510 = {
  475. .clk = {
  476. .name = "lcd_ck",
  477. .parent = &ck_dpll1,
  478. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
  479. RATE_CKCTL | CLOCK_IDLE_CONTROL,
  480. .enable_reg = (void __iomem *)ARM_IDLECT2,
  481. .enable_bit = EN_LCDCK,
  482. .rate_offset = CKCTL_LCDDIV_OFFSET,
  483. .recalc = &omap1_ckctl_recalc,
  484. .enable = &omap1_clk_enable_generic,
  485. .disable = &omap1_clk_disable_generic,
  486. },
  487. .idlect_shift = 3,
  488. };
  489. static struct clk uart1_1510 = {
  490. .name = "uart1_ck",
  491. /* Direct from ULPD, no real parent */
  492. .parent = &armper_ck.clk,
  493. .rate = 12000000,
  494. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
  495. ENABLE_REG_32BIT | ALWAYS_ENABLED |
  496. CLOCK_NO_IDLE_PARENT,
  497. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  498. .enable_bit = 29, /* Chooses between 12MHz and 48MHz */
  499. .set_rate = &omap1_set_uart_rate,
  500. .recalc = &omap1_uart_recalc,
  501. .enable = &omap1_clk_enable_generic,
  502. .disable = &omap1_clk_disable_generic,
  503. };
  504. static struct uart_clk uart1_16xx = {
  505. .clk = {
  506. .name = "uart1_ck",
  507. /* Direct from ULPD, no real parent */
  508. .parent = &armper_ck.clk,
  509. .rate = 48000000,
  510. .flags = CLOCK_IN_OMAP16XX | RATE_FIXED |
  511. ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
  512. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  513. .enable_bit = 29,
  514. .enable = &omap1_clk_enable_uart_functional,
  515. .disable = &omap1_clk_disable_uart_functional,
  516. },
  517. .sysc_addr = 0xfffb0054,
  518. };
  519. static struct clk uart2_ck = {
  520. .name = "uart2_ck",
  521. /* Direct from ULPD, no real parent */
  522. .parent = &armper_ck.clk,
  523. .rate = 12000000,
  524. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  525. CLOCK_IN_OMAP310 | ENABLE_REG_32BIT |
  526. ALWAYS_ENABLED | CLOCK_NO_IDLE_PARENT,
  527. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  528. .enable_bit = 30, /* Chooses between 12MHz and 48MHz */
  529. .set_rate = &omap1_set_uart_rate,
  530. .recalc = &omap1_uart_recalc,
  531. .enable = &omap1_clk_enable_generic,
  532. .disable = &omap1_clk_disable_generic,
  533. };
  534. static struct clk uart3_1510 = {
  535. .name = "uart3_ck",
  536. /* Direct from ULPD, no real parent */
  537. .parent = &armper_ck.clk,
  538. .rate = 12000000,
  539. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
  540. ENABLE_REG_32BIT | ALWAYS_ENABLED |
  541. CLOCK_NO_IDLE_PARENT,
  542. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  543. .enable_bit = 31, /* Chooses between 12MHz and 48MHz */
  544. .set_rate = &omap1_set_uart_rate,
  545. .recalc = &omap1_uart_recalc,
  546. .enable = &omap1_clk_enable_generic,
  547. .disable = &omap1_clk_disable_generic,
  548. };
  549. static struct uart_clk uart3_16xx = {
  550. .clk = {
  551. .name = "uart3_ck",
  552. /* Direct from ULPD, no real parent */
  553. .parent = &armper_ck.clk,
  554. .rate = 48000000,
  555. .flags = CLOCK_IN_OMAP16XX | RATE_FIXED |
  556. ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
  557. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  558. .enable_bit = 31,
  559. .enable = &omap1_clk_enable_uart_functional,
  560. .disable = &omap1_clk_disable_uart_functional,
  561. },
  562. .sysc_addr = 0xfffb9854,
  563. };
  564. static struct clk usb_clko = { /* 6 MHz output on W4_USB_CLKO */
  565. .name = "usb_clko",
  566. /* Direct from ULPD, no parent */
  567. .rate = 6000000,
  568. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  569. CLOCK_IN_OMAP310 | RATE_FIXED | ENABLE_REG_32BIT,
  570. .enable_reg = (void __iomem *)ULPD_CLOCK_CTRL,
  571. .enable_bit = USB_MCLK_EN_BIT,
  572. .enable = &omap1_clk_enable_generic,
  573. .disable = &omap1_clk_disable_generic,
  574. };
  575. static struct clk usb_hhc_ck1510 = {
  576. .name = "usb_hhc_ck",
  577. /* Direct from ULPD, no parent */
  578. .rate = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */
  579. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 |
  580. RATE_FIXED | ENABLE_REG_32BIT,
  581. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  582. .enable_bit = USB_HOST_HHC_UHOST_EN,
  583. .enable = &omap1_clk_enable_generic,
  584. .disable = &omap1_clk_disable_generic,
  585. };
  586. static struct clk usb_hhc_ck16xx = {
  587. .name = "usb_hhc_ck",
  588. /* Direct from ULPD, no parent */
  589. .rate = 48000000,
  590. /* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */
  591. .flags = CLOCK_IN_OMAP16XX |
  592. RATE_FIXED | ENABLE_REG_32BIT,
  593. .enable_reg = (void __iomem *)OTG_BASE + 0x08 /* OTG_SYSCON_2 */,
  594. .enable_bit = 8 /* UHOST_EN */,
  595. .enable = &omap1_clk_enable_generic,
  596. .disable = &omap1_clk_disable_generic,
  597. };
  598. static struct clk usb_dc_ck = {
  599. .name = "usb_dc_ck",
  600. /* Direct from ULPD, no parent */
  601. .rate = 48000000,
  602. .flags = CLOCK_IN_OMAP16XX | RATE_FIXED,
  603. .enable_reg = (void __iomem *)SOFT_REQ_REG,
  604. .enable_bit = 4,
  605. .enable = &omap1_clk_enable_generic,
  606. .disable = &omap1_clk_disable_generic,
  607. };
  608. static struct clk mclk_1510 = {
  609. .name = "mclk",
  610. /* Direct from ULPD, no parent. May be enabled by ext hardware. */
  611. .rate = 12000000,
  612. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | RATE_FIXED,
  613. .enable_reg = (void __iomem *)SOFT_REQ_REG,
  614. .enable_bit = 6,
  615. .enable = &omap1_clk_enable_generic,
  616. .disable = &omap1_clk_disable_generic,
  617. };
  618. static struct clk mclk_16xx = {
  619. .name = "mclk",
  620. /* Direct from ULPD, no parent. May be enabled by ext hardware. */
  621. .flags = CLOCK_IN_OMAP16XX,
  622. .enable_reg = (void __iomem *)COM_CLK_DIV_CTRL_SEL,
  623. .enable_bit = COM_ULPD_PLL_CLK_REQ,
  624. .set_rate = &omap1_set_ext_clk_rate,
  625. .round_rate = &omap1_round_ext_clk_rate,
  626. .init = &omap1_init_ext_clk,
  627. .enable = &omap1_clk_enable_generic,
  628. .disable = &omap1_clk_disable_generic,
  629. };
  630. static struct clk bclk_1510 = {
  631. .name = "bclk",
  632. /* Direct from ULPD, no parent. May be enabled by ext hardware. */
  633. .rate = 12000000,
  634. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | RATE_FIXED,
  635. .enable = &omap1_clk_enable_generic,
  636. .disable = &omap1_clk_disable_generic,
  637. };
  638. static struct clk bclk_16xx = {
  639. .name = "bclk",
  640. /* Direct from ULPD, no parent. May be enabled by ext hardware. */
  641. .flags = CLOCK_IN_OMAP16XX,
  642. .enable_reg = (void __iomem *)SWD_CLK_DIV_CTRL_SEL,
  643. .enable_bit = SWD_ULPD_PLL_CLK_REQ,
  644. .set_rate = &omap1_set_ext_clk_rate,
  645. .round_rate = &omap1_round_ext_clk_rate,
  646. .init = &omap1_init_ext_clk,
  647. .enable = &omap1_clk_enable_generic,
  648. .disable = &omap1_clk_disable_generic,
  649. };
  650. static struct clk mmc1_ck = {
  651. .name = "mmc_ck",
  652. .id = 1,
  653. /* Functional clock is direct from ULPD, interface clock is ARMPER */
  654. .parent = &armper_ck.clk,
  655. .rate = 48000000,
  656. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  657. CLOCK_IN_OMAP310 | RATE_FIXED | ENABLE_REG_32BIT |
  658. CLOCK_NO_IDLE_PARENT,
  659. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  660. .enable_bit = 23,
  661. .enable = &omap1_clk_enable_generic,
  662. .disable = &omap1_clk_disable_generic,
  663. };
  664. static struct clk mmc2_ck = {
  665. .name = "mmc_ck",
  666. .id = 2,
  667. /* Functional clock is direct from ULPD, interface clock is ARMPER */
  668. .parent = &armper_ck.clk,
  669. .rate = 48000000,
  670. .flags = CLOCK_IN_OMAP16XX |
  671. RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
  672. .enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
  673. .enable_bit = 20,
  674. .enable = &omap1_clk_enable_generic,
  675. .disable = &omap1_clk_disable_generic,
  676. };
  677. static struct clk virtual_ck_mpu = {
  678. .name = "mpu",
  679. .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  680. CLOCK_IN_OMAP310 | VIRTUAL_CLOCK | ALWAYS_ENABLED,
  681. .parent = &arm_ck, /* Is smarter alias for */
  682. .recalc = &followparent_recalc,
  683. .set_rate = &omap1_select_table_rate,
  684. .round_rate = &omap1_round_to_table_rate,
  685. .enable = &omap1_clk_enable_generic,
  686. .disable = &omap1_clk_disable_generic,
  687. };
  688. /* virtual functional clock domain for I2C. Just for making sure that ARMXOR_CK
  689. remains active during MPU idle whenever this is enabled */
  690. static struct clk i2c_fck = {
  691. .name = "i2c_fck",
  692. .id = 1,
  693. .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
  694. VIRTUAL_CLOCK | CLOCK_NO_IDLE_PARENT |
  695. ALWAYS_ENABLED,
  696. .parent = &armxor_ck.clk,
  697. .recalc = &followparent_recalc,
  698. .enable = &omap1_clk_enable_generic,
  699. .disable = &omap1_clk_disable_generic,
  700. };
  701. static struct clk i2c_ick = {
  702. .name = "i2c_ick",
  703. .id = 1,
  704. .flags = CLOCK_IN_OMAP16XX |
  705. VIRTUAL_CLOCK | CLOCK_NO_IDLE_PARENT |
  706. ALWAYS_ENABLED,
  707. .parent = &armper_ck.clk,
  708. .recalc = &followparent_recalc,
  709. .enable = &omap1_clk_enable_generic,
  710. .disable = &omap1_clk_disable_generic,
  711. };
  712. static struct clk * onchip_clks[] = {
  713. /* non-ULPD clocks */
  714. &ck_ref,
  715. &ck_dpll1,
  716. /* CK_GEN1 clocks */
  717. &ck_dpll1out.clk,
  718. &sossi_ck,
  719. &arm_ck,
  720. &armper_ck.clk,
  721. &arm_gpio_ck,
  722. &armxor_ck.clk,
  723. &armtim_ck.clk,
  724. &armwdt_ck.clk,
  725. &arminth_ck1510, &arminth_ck16xx,
  726. /* CK_GEN2 clocks */
  727. &dsp_ck,
  728. &dspmmu_ck,
  729. &dspper_ck,
  730. &dspxor_ck,
  731. &dsptim_ck,
  732. /* CK_GEN3 clocks */
  733. &tc_ck.clk,
  734. &tipb_ck,
  735. &l3_ocpi_ck,
  736. &tc1_ck,
  737. &tc2_ck,
  738. &dma_ck,
  739. &dma_lcdfree_ck,
  740. &api_ck.clk,
  741. &lb_ck.clk,
  742. &rhea1_ck,
  743. &rhea2_ck,
  744. &lcd_ck_16xx,
  745. &lcd_ck_1510.clk,
  746. /* ULPD clocks */
  747. &uart1_1510,
  748. &uart1_16xx.clk,
  749. &uart2_ck,
  750. &uart3_1510,
  751. &uart3_16xx.clk,
  752. &usb_clko,
  753. &usb_hhc_ck1510, &usb_hhc_ck16xx,
  754. &usb_dc_ck,
  755. &mclk_1510, &mclk_16xx,
  756. &bclk_1510, &bclk_16xx,
  757. &mmc1_ck,
  758. &mmc2_ck,
  759. /* Virtual clocks */
  760. &virtual_ck_mpu,
  761. &i2c_fck,
  762. &i2c_ick,
  763. };
  764. #endif