spear1340_clock.c 39 KB

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  1. /*
  2. * arch/arm/mach-spear13xx/spear1340_clock.c
  3. *
  4. * SPEAr1340 machine clock framework source file
  5. *
  6. * Copyright (C) 2012 ST Microelectronics
  7. * Viresh Kumar <viresh.linux@gmail.com>
  8. *
  9. * This file is licensed under the terms of the GNU General Public
  10. * License version 2. This program is licensed "as is" without any
  11. * warranty of any kind, whether express or implied.
  12. */
  13. #include <linux/clk.h>
  14. #include <linux/clkdev.h>
  15. #include <linux/err.h>
  16. #include <linux/io.h>
  17. #include <linux/of_platform.h>
  18. #include <linux/spinlock_types.h>
  19. #include <mach/spear.h>
  20. #include "clk.h"
  21. /* Clock Configuration Registers */
  22. #define SPEAR1340_SYS_CLK_CTRL (VA_MISC_BASE + 0x200)
  23. #define SPEAR1340_HCLK_SRC_SEL_SHIFT 27
  24. #define SPEAR1340_HCLK_SRC_SEL_MASK 1
  25. #define SPEAR1340_SCLK_SRC_SEL_SHIFT 23
  26. #define SPEAR1340_SCLK_SRC_SEL_MASK 3
  27. /* PLL related registers and bit values */
  28. #define SPEAR1340_PLL_CFG (VA_MISC_BASE + 0x210)
  29. /* PLL_CFG bit values */
  30. #define SPEAR1340_CLCD_SYNT_CLK_MASK 1
  31. #define SPEAR1340_CLCD_SYNT_CLK_SHIFT 31
  32. #define SPEAR1340_GEN_SYNT2_3_CLK_SHIFT 29
  33. #define SPEAR1340_GEN_SYNT_CLK_MASK 2
  34. #define SPEAR1340_GEN_SYNT0_1_CLK_SHIFT 27
  35. #define SPEAR1340_PLL_CLK_MASK 2
  36. #define SPEAR1340_PLL3_CLK_SHIFT 24
  37. #define SPEAR1340_PLL2_CLK_SHIFT 22
  38. #define SPEAR1340_PLL1_CLK_SHIFT 20
  39. #define SPEAR1340_PLL1_CTR (VA_MISC_BASE + 0x214)
  40. #define SPEAR1340_PLL1_FRQ (VA_MISC_BASE + 0x218)
  41. #define SPEAR1340_PLL2_CTR (VA_MISC_BASE + 0x220)
  42. #define SPEAR1340_PLL2_FRQ (VA_MISC_BASE + 0x224)
  43. #define SPEAR1340_PLL3_CTR (VA_MISC_BASE + 0x22C)
  44. #define SPEAR1340_PLL3_FRQ (VA_MISC_BASE + 0x230)
  45. #define SPEAR1340_PLL4_CTR (VA_MISC_BASE + 0x238)
  46. #define SPEAR1340_PLL4_FRQ (VA_MISC_BASE + 0x23C)
  47. #define SPEAR1340_PERIP_CLK_CFG (VA_MISC_BASE + 0x244)
  48. /* PERIP_CLK_CFG bit values */
  49. #define SPEAR1340_SPDIF_CLK_MASK 1
  50. #define SPEAR1340_SPDIF_OUT_CLK_SHIFT 15
  51. #define SPEAR1340_SPDIF_IN_CLK_SHIFT 14
  52. #define SPEAR1340_GPT3_CLK_SHIFT 13
  53. #define SPEAR1340_GPT2_CLK_SHIFT 12
  54. #define SPEAR1340_GPT_CLK_MASK 1
  55. #define SPEAR1340_GPT1_CLK_SHIFT 9
  56. #define SPEAR1340_GPT0_CLK_SHIFT 8
  57. #define SPEAR1340_UART_CLK_MASK 2
  58. #define SPEAR1340_UART1_CLK_SHIFT 6
  59. #define SPEAR1340_UART0_CLK_SHIFT 4
  60. #define SPEAR1340_CLCD_CLK_MASK 2
  61. #define SPEAR1340_CLCD_CLK_SHIFT 2
  62. #define SPEAR1340_C3_CLK_MASK 1
  63. #define SPEAR1340_C3_CLK_SHIFT 1
  64. #define SPEAR1340_GMAC_CLK_CFG (VA_MISC_BASE + 0x248)
  65. #define SPEAR1340_GMAC_PHY_CLK_MASK 1
  66. #define SPEAR1340_GMAC_PHY_CLK_SHIFT 2
  67. #define SPEAR1340_GMAC_PHY_INPUT_CLK_MASK 2
  68. #define SPEAR1340_GMAC_PHY_INPUT_CLK_SHIFT 0
  69. #define SPEAR1340_I2S_CLK_CFG (VA_MISC_BASE + 0x24C)
  70. /* I2S_CLK_CFG register mask */
  71. #define SPEAR1340_I2S_SCLK_X_MASK 0x1F
  72. #define SPEAR1340_I2S_SCLK_X_SHIFT 27
  73. #define SPEAR1340_I2S_SCLK_Y_MASK 0x1F
  74. #define SPEAR1340_I2S_SCLK_Y_SHIFT 22
  75. #define SPEAR1340_I2S_SCLK_EQ_SEL_SHIFT 21
  76. #define SPEAR1340_I2S_SCLK_SYNTH_ENB 20
  77. #define SPEAR1340_I2S_PRS1_CLK_X_MASK 0xFF
  78. #define SPEAR1340_I2S_PRS1_CLK_X_SHIFT 12
  79. #define SPEAR1340_I2S_PRS1_CLK_Y_MASK 0xFF
  80. #define SPEAR1340_I2S_PRS1_CLK_Y_SHIFT 4
  81. #define SPEAR1340_I2S_PRS1_EQ_SEL_SHIFT 3
  82. #define SPEAR1340_I2S_REF_SEL_MASK 1
  83. #define SPEAR1340_I2S_REF_SHIFT 2
  84. #define SPEAR1340_I2S_SRC_CLK_MASK 2
  85. #define SPEAR1340_I2S_SRC_CLK_SHIFT 0
  86. #define SPEAR1340_C3_CLK_SYNT (VA_MISC_BASE + 0x250)
  87. #define SPEAR1340_UART0_CLK_SYNT (VA_MISC_BASE + 0x254)
  88. #define SPEAR1340_UART1_CLK_SYNT (VA_MISC_BASE + 0x258)
  89. #define SPEAR1340_GMAC_CLK_SYNT (VA_MISC_BASE + 0x25C)
  90. #define SPEAR1340_SDHCI_CLK_SYNT (VA_MISC_BASE + 0x260)
  91. #define SPEAR1340_CFXD_CLK_SYNT (VA_MISC_BASE + 0x264)
  92. #define SPEAR1340_ADC_CLK_SYNT (VA_MISC_BASE + 0x270)
  93. #define SPEAR1340_AMBA_CLK_SYNT (VA_MISC_BASE + 0x274)
  94. #define SPEAR1340_CLCD_CLK_SYNT (VA_MISC_BASE + 0x27C)
  95. #define SPEAR1340_SYS_CLK_SYNT (VA_MISC_BASE + 0x284)
  96. #define SPEAR1340_GEN_CLK_SYNT0 (VA_MISC_BASE + 0x28C)
  97. #define SPEAR1340_GEN_CLK_SYNT1 (VA_MISC_BASE + 0x294)
  98. #define SPEAR1340_GEN_CLK_SYNT2 (VA_MISC_BASE + 0x29C)
  99. #define SPEAR1340_GEN_CLK_SYNT3 (VA_MISC_BASE + 0x304)
  100. #define SPEAR1340_PERIP1_CLK_ENB (VA_MISC_BASE + 0x30C)
  101. #define SPEAR1340_RTC_CLK_ENB 31
  102. #define SPEAR1340_ADC_CLK_ENB 30
  103. #define SPEAR1340_C3_CLK_ENB 29
  104. #define SPEAR1340_CLCD_CLK_ENB 27
  105. #define SPEAR1340_DMA_CLK_ENB 25
  106. #define SPEAR1340_GPIO1_CLK_ENB 24
  107. #define SPEAR1340_GPIO0_CLK_ENB 23
  108. #define SPEAR1340_GPT1_CLK_ENB 22
  109. #define SPEAR1340_GPT0_CLK_ENB 21
  110. #define SPEAR1340_I2S_PLAY_CLK_ENB 20
  111. #define SPEAR1340_I2S_REC_CLK_ENB 19
  112. #define SPEAR1340_I2C0_CLK_ENB 18
  113. #define SPEAR1340_SSP_CLK_ENB 17
  114. #define SPEAR1340_UART0_CLK_ENB 15
  115. #define SPEAR1340_PCIE_SATA_CLK_ENB 12
  116. #define SPEAR1340_UOC_CLK_ENB 11
  117. #define SPEAR1340_UHC1_CLK_ENB 10
  118. #define SPEAR1340_UHC0_CLK_ENB 9
  119. #define SPEAR1340_GMAC_CLK_ENB 8
  120. #define SPEAR1340_CFXD_CLK_ENB 7
  121. #define SPEAR1340_SDHCI_CLK_ENB 6
  122. #define SPEAR1340_SMI_CLK_ENB 5
  123. #define SPEAR1340_FSMC_CLK_ENB 4
  124. #define SPEAR1340_SYSRAM0_CLK_ENB 3
  125. #define SPEAR1340_SYSRAM1_CLK_ENB 2
  126. #define SPEAR1340_SYSROM_CLK_ENB 1
  127. #define SPEAR1340_BUS_CLK_ENB 0
  128. #define SPEAR1340_PERIP2_CLK_ENB (VA_MISC_BASE + 0x310)
  129. #define SPEAR1340_THSENS_CLK_ENB 8
  130. #define SPEAR1340_I2S_REF_PAD_CLK_ENB 7
  131. #define SPEAR1340_ACP_CLK_ENB 6
  132. #define SPEAR1340_GPT3_CLK_ENB 5
  133. #define SPEAR1340_GPT2_CLK_ENB 4
  134. #define SPEAR1340_KBD_CLK_ENB 3
  135. #define SPEAR1340_CPU_DBG_CLK_ENB 2
  136. #define SPEAR1340_DDR_CORE_CLK_ENB 1
  137. #define SPEAR1340_DDR_CTRL_CLK_ENB 0
  138. #define SPEAR1340_PERIP3_CLK_ENB (VA_MISC_BASE + 0x314)
  139. #define SPEAR1340_PLGPIO_CLK_ENB 18
  140. #define SPEAR1340_VIDEO_DEC_CLK_ENB 16
  141. #define SPEAR1340_VIDEO_ENC_CLK_ENB 15
  142. #define SPEAR1340_SPDIF_OUT_CLK_ENB 13
  143. #define SPEAR1340_SPDIF_IN_CLK_ENB 12
  144. #define SPEAR1340_VIDEO_IN_CLK_ENB 11
  145. #define SPEAR1340_CAM0_CLK_ENB 10
  146. #define SPEAR1340_CAM1_CLK_ENB 9
  147. #define SPEAR1340_CAM2_CLK_ENB 8
  148. #define SPEAR1340_CAM3_CLK_ENB 7
  149. #define SPEAR1340_MALI_CLK_ENB 6
  150. #define SPEAR1340_CEC0_CLK_ENB 5
  151. #define SPEAR1340_CEC1_CLK_ENB 4
  152. #define SPEAR1340_PWM_CLK_ENB 3
  153. #define SPEAR1340_I2C1_CLK_ENB 2
  154. #define SPEAR1340_UART1_CLK_ENB 1
  155. static DEFINE_SPINLOCK(_lock);
  156. /* pll rate configuration table, in ascending order of rates */
  157. static struct pll_rate_tbl pll_rtbl[] = {
  158. /* PCLK 24MHz */
  159. {.mode = 0, .m = 0x83, .n = 0x04, .p = 0x5}, /* vco 1572, pll 49.125 MHz */
  160. {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x3}, /* vco 1000, pll 125 MHz */
  161. {.mode = 0, .m = 0x64, .n = 0x06, .p = 0x1}, /* vco 800, pll 400 MHz */
  162. {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x1}, /* vco 1000, pll 500 MHz */
  163. {.mode = 0, .m = 0xA6, .n = 0x06, .p = 0x1}, /* vco 1328, pll 664 MHz */
  164. {.mode = 0, .m = 0xC8, .n = 0x06, .p = 0x1}, /* vco 1600, pll 800 MHz */
  165. {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x0}, /* vco 1, pll 1 GHz */
  166. {.mode = 0, .m = 0x96, .n = 0x06, .p = 0x0}, /* vco 1200, pll 1200 MHz */
  167. };
  168. /* vco-pll4 rate configuration table, in ascending order of rates */
  169. static struct pll_rate_tbl pll4_rtbl[] = {
  170. {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x2}, /* vco 1000, pll 250 MHz */
  171. {.mode = 0, .m = 0xA6, .n = 0x06, .p = 0x2}, /* vco 1328, pll 332 MHz */
  172. {.mode = 0, .m = 0xC8, .n = 0x06, .p = 0x2}, /* vco 1600, pll 400 MHz */
  173. {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x0}, /* vco 1, pll 1 GHz */
  174. };
  175. /*
  176. * All below entries generate 166 MHz for
  177. * different values of vco1div2
  178. */
  179. static struct frac_rate_tbl amba_synth_rtbl[] = {
  180. {.div = 0x073A8}, /* for vco1div2 = 600 MHz */
  181. {.div = 0x06062}, /* for vco1div2 = 500 MHz */
  182. {.div = 0x04D1B}, /* for vco1div2 = 400 MHz */
  183. {.div = 0x04000}, /* for vco1div2 = 332 MHz */
  184. {.div = 0x03031}, /* for vco1div2 = 250 MHz */
  185. {.div = 0x0268D}, /* for vco1div2 = 200 MHz */
  186. };
  187. /*
  188. * Synthesizer Clock derived from vcodiv2. This clock is one of the
  189. * possible clocks to feed cpu directly.
  190. * We can program this synthesizer to make cpu run on different clock
  191. * frequencies.
  192. * Following table provides configuration values to let cpu run on 200,
  193. * 250, 332, 400 or 500 MHz considering different possibilites of input
  194. * (vco1div2) clock.
  195. *
  196. * --------------------------------------------------------------------
  197. * vco1div2(Mhz) fout(Mhz) cpuclk = fout/2 div
  198. * --------------------------------------------------------------------
  199. * 400 200 100 0x04000
  200. * 400 250 125 0x03333
  201. * 400 332 166 0x0268D
  202. * 400 400 200 0x02000
  203. * --------------------------------------------------------------------
  204. * 500 200 100 0x05000
  205. * 500 250 125 0x04000
  206. * 500 332 166 0x03031
  207. * 500 400 200 0x02800
  208. * 500 500 250 0x02000
  209. * --------------------------------------------------------------------
  210. * 600 200 100 0x06000
  211. * 600 250 125 0x04CCE
  212. * 600 332 166 0x039D5
  213. * 600 400 200 0x03000
  214. * 600 500 250 0x02666
  215. * --------------------------------------------------------------------
  216. * 664 200 100 0x06a38
  217. * 664 250 125 0x054FD
  218. * 664 332 166 0x04000
  219. * 664 400 200 0x0351E
  220. * 664 500 250 0x02A7E
  221. * --------------------------------------------------------------------
  222. * 800 200 100 0x08000
  223. * 800 250 125 0x06666
  224. * 800 332 166 0x04D18
  225. * 800 400 200 0x04000
  226. * 800 500 250 0x03333
  227. * --------------------------------------------------------------------
  228. * sys rate configuration table is in descending order of divisor.
  229. */
  230. static struct frac_rate_tbl sys_synth_rtbl[] = {
  231. {.div = 0x08000},
  232. {.div = 0x06a38},
  233. {.div = 0x06666},
  234. {.div = 0x06000},
  235. {.div = 0x054FD},
  236. {.div = 0x05000},
  237. {.div = 0x04D18},
  238. {.div = 0x04CCE},
  239. {.div = 0x04000},
  240. {.div = 0x039D5},
  241. {.div = 0x0351E},
  242. {.div = 0x03333},
  243. {.div = 0x03031},
  244. {.div = 0x03000},
  245. {.div = 0x02A7E},
  246. {.div = 0x02800},
  247. {.div = 0x0268D},
  248. {.div = 0x02666},
  249. {.div = 0x02000},
  250. };
  251. /* aux rate configuration table, in ascending order of rates */
  252. static struct aux_rate_tbl aux_rtbl[] = {
  253. /* 12.29MHz for vic1div2=600MHz and 10.24MHz for VCO1div2=500MHz */
  254. {.xscale = 5, .yscale = 122, .eq = 0},
  255. /* 14.70MHz for vic1div2=600MHz and 12.29MHz for VCO1div2=500MHz */
  256. {.xscale = 10, .yscale = 204, .eq = 0},
  257. /* 48MHz for vic1div2=600MHz and 40 MHz for VCO1div2=500MHz */
  258. {.xscale = 4, .yscale = 25, .eq = 0},
  259. /* 57.14MHz for vic1div2=600MHz and 48 MHz for VCO1div2=500MHz */
  260. {.xscale = 4, .yscale = 21, .eq = 0},
  261. /* 83.33MHz for vic1div2=600MHz and 69.44MHz for VCO1div2=500MHz */
  262. {.xscale = 5, .yscale = 18, .eq = 0},
  263. /* 100MHz for vic1div2=600MHz and 83.33 MHz for VCO1div2=500MHz */
  264. {.xscale = 2, .yscale = 6, .eq = 0},
  265. /* 125MHz for vic1div2=600MHz and 104.1MHz for VCO1div2=500MHz */
  266. {.xscale = 5, .yscale = 12, .eq = 0},
  267. /* 150MHz for vic1div2=600MHz and 125MHz for VCO1div2=500MHz */
  268. {.xscale = 2, .yscale = 4, .eq = 0},
  269. /* 166MHz for vic1div2=600MHz and 138.88MHz for VCO1div2=500MHz */
  270. {.xscale = 5, .yscale = 18, .eq = 1},
  271. /* 200MHz for vic1div2=600MHz and 166MHz for VCO1div2=500MHz */
  272. {.xscale = 1, .yscale = 3, .eq = 1},
  273. /* 250MHz for vic1div2=600MHz and 208.33MHz for VCO1div2=500MHz */
  274. {.xscale = 5, .yscale = 12, .eq = 1},
  275. /* 300MHz for vic1div2=600MHz and 250MHz for VCO1div2=500MHz */
  276. {.xscale = 1, .yscale = 2, .eq = 1},
  277. };
  278. /* gmac rate configuration table, in ascending order of rates */
  279. static struct aux_rate_tbl gmac_rtbl[] = {
  280. /* For gmac phy input clk */
  281. {.xscale = 2, .yscale = 6, .eq = 0}, /* divided by 6 */
  282. {.xscale = 2, .yscale = 4, .eq = 0}, /* divided by 4 */
  283. {.xscale = 1, .yscale = 3, .eq = 1}, /* divided by 3 */
  284. {.xscale = 1, .yscale = 2, .eq = 1}, /* divided by 2 */
  285. };
  286. /* clcd rate configuration table, in ascending order of rates */
  287. static struct frac_rate_tbl clcd_rtbl[] = {
  288. {.div = 0x18000}, /* 25 Mhz , for vc01div4 = 300 MHz*/
  289. {.div = 0x1638E}, /* 27 Mhz , for vc01div4 = 300 MHz*/
  290. {.div = 0x14000}, /* 25 Mhz , for vc01div4 = 250 MHz*/
  291. {.div = 0x1284B}, /* 27 Mhz , for vc01div4 = 250 MHz*/
  292. {.div = 0x0D8D3}, /* 58 Mhz , for vco1div4 = 393 MHz */
  293. {.div = 0x0B72C}, /* 58 Mhz , for vco1div4 = 332 MHz */
  294. {.div = 0x0A584}, /* 58 Mhz , for vco1div4 = 300 MHz */
  295. {.div = 0x093B1}, /* 65 Mhz , for vc01div4 = 300 MHz*/
  296. {.div = 0x089EE}, /* 58 Mhz , for vc01div4 = 250 MHz*/
  297. {.div = 0x081BA}, /* 74 Mhz , for vc01div4 = 300 MHz*/
  298. {.div = 0x07BA0}, /* 65 Mhz , for vc01div4 = 250 MHz*/
  299. {.div = 0x06f1C}, /* 72 Mhz , for vc01div4 = 250 MHz*/
  300. {.div = 0x06E58}, /* 58 Mhz , for vco1div4 = 200 MHz */
  301. {.div = 0x06c1B}, /* 74 Mhz , for vc01div4 = 250 MHz*/
  302. {.div = 0x058E3}, /* 108 Mhz , for vc01div4 = 300 MHz*/
  303. {.div = 0x04A12}, /* 108 Mhz , for vc01div4 = 250 MHz*/
  304. {.div = 0x040A5}, /* 148.5 Mhz , for vc01div4 = 300 MHz*/
  305. {.div = 0x0378E}, /* 144 Mhz , for vc01div4 = 250 MHz*/
  306. {.div = 0x0360D}, /* 148 Mhz , for vc01div4 = 250 MHz*/
  307. {.div = 0x035E0}, /* 148.5 MHz, for vc01div4 = 250 MHz*/
  308. };
  309. /* i2s prescaler1 masks */
  310. static struct aux_clk_masks i2s_prs1_masks = {
  311. .eq_sel_mask = AUX_EQ_SEL_MASK,
  312. .eq_sel_shift = SPEAR1340_I2S_PRS1_EQ_SEL_SHIFT,
  313. .eq1_mask = AUX_EQ1_SEL,
  314. .eq2_mask = AUX_EQ2_SEL,
  315. .xscale_sel_mask = SPEAR1340_I2S_PRS1_CLK_X_MASK,
  316. .xscale_sel_shift = SPEAR1340_I2S_PRS1_CLK_X_SHIFT,
  317. .yscale_sel_mask = SPEAR1340_I2S_PRS1_CLK_Y_MASK,
  318. .yscale_sel_shift = SPEAR1340_I2S_PRS1_CLK_Y_SHIFT,
  319. };
  320. /* i2s sclk (bit clock) syynthesizers masks */
  321. static struct aux_clk_masks i2s_sclk_masks = {
  322. .eq_sel_mask = AUX_EQ_SEL_MASK,
  323. .eq_sel_shift = SPEAR1340_I2S_SCLK_EQ_SEL_SHIFT,
  324. .eq1_mask = AUX_EQ1_SEL,
  325. .eq2_mask = AUX_EQ2_SEL,
  326. .xscale_sel_mask = SPEAR1340_I2S_SCLK_X_MASK,
  327. .xscale_sel_shift = SPEAR1340_I2S_SCLK_X_SHIFT,
  328. .yscale_sel_mask = SPEAR1340_I2S_SCLK_Y_MASK,
  329. .yscale_sel_shift = SPEAR1340_I2S_SCLK_Y_SHIFT,
  330. .enable_bit = SPEAR1340_I2S_SCLK_SYNTH_ENB,
  331. };
  332. /* i2s prs1 aux rate configuration table, in ascending order of rates */
  333. static struct aux_rate_tbl i2s_prs1_rtbl[] = {
  334. /* For parent clk = 49.152 MHz */
  335. {.xscale = 1, .yscale = 12, .eq = 0}, /* 2.048 MHz, smp freq = 8Khz */
  336. {.xscale = 11, .yscale = 96, .eq = 0}, /* 2.816 MHz, smp freq = 11Khz */
  337. {.xscale = 1, .yscale = 6, .eq = 0}, /* 4.096 MHz, smp freq = 16Khz */
  338. {.xscale = 11, .yscale = 48, .eq = 0}, /* 5.632 MHz, smp freq = 22Khz */
  339. /*
  340. * with parent clk = 49.152, freq gen is 8.192 MHz, smp freq = 32Khz
  341. * with parent clk = 12.288, freq gen is 2.048 MHz, smp freq = 8Khz
  342. */
  343. {.xscale = 1, .yscale = 3, .eq = 0},
  344. /* For parent clk = 49.152 MHz */
  345. {.xscale = 17, .yscale = 37, .eq = 0}, /* 11.289 MHz, smp freq = 44Khz*/
  346. {.xscale = 1, .yscale = 2, .eq = 0}, /* 12.288 MHz, smp freq = 48Khz*/
  347. };
  348. /* i2s sclk aux rate configuration table, in ascending order of rates */
  349. static struct aux_rate_tbl i2s_sclk_rtbl[] = {
  350. /* For sclk = ref_clk * x/2/y */
  351. {.xscale = 1, .yscale = 4, .eq = 0},
  352. {.xscale = 1, .yscale = 2, .eq = 0},
  353. };
  354. /* adc rate configuration table, in ascending order of rates */
  355. /* possible adc range is 2.5 MHz to 20 MHz. */
  356. static struct aux_rate_tbl adc_rtbl[] = {
  357. /* For ahb = 166.67 MHz */
  358. {.xscale = 1, .yscale = 31, .eq = 0}, /* 2.68 MHz */
  359. {.xscale = 2, .yscale = 21, .eq = 0}, /* 7.94 MHz */
  360. {.xscale = 4, .yscale = 21, .eq = 0}, /* 15.87 MHz */
  361. {.xscale = 10, .yscale = 42, .eq = 0}, /* 19.84 MHz */
  362. };
  363. /* General synth rate configuration table, in ascending order of rates */
  364. static struct frac_rate_tbl gen_rtbl[] = {
  365. {.div = 0x1A92B}, /* 22.5792 MHz for vco1div4=300 MHz*/
  366. {.div = 0x186A0}, /* 24.576 MHz for vco1div4=300 MHz*/
  367. {.div = 0x18000}, /* 25 MHz for vco1div4=300 MHz*/
  368. {.div = 0x1624E}, /* 22.5792 MHz for vco1div4=250 MHz*/
  369. {.div = 0x14585}, /* 24.576 MHz for vco1div4=250 MHz*/
  370. {.div = 0x14000}, /* 25 MHz for vco1div4=250 MHz*/
  371. {.div = 0x0D495}, /* 45.1584 MHz for vco1div4=300 MHz*/
  372. {.div = 0x0C000}, /* 50 MHz for vco1div4=300 MHz*/
  373. {.div = 0x0B127}, /* 45.1584 MHz for vco1div4=250 MHz*/
  374. {.div = 0x0A000}, /* 50 MHz for vco1div4=250 MHz*/
  375. {.div = 0x07530}, /* 81.92 MHz for vco1div4=300 MHz*/
  376. {.div = 0x061A8}, /* 81.92 MHz for vco1div4=250 MHz*/
  377. {.div = 0x06000}, /* 100 MHz for vco1div4=300 MHz*/
  378. {.div = 0x05000}, /* 100 MHz for vco1div4=250 MHz*/
  379. {.div = 0x03000}, /* 200 MHz for vco1div4=300 MHz*/
  380. {.div = 0x02DB6}, /* 210 MHz for vco1div4=300 MHz*/
  381. {.div = 0x02BA2}, /* 220 MHz for vco1div4=300 MHz*/
  382. {.div = 0x029BD}, /* 230 MHz for vco1div4=300 MHz*/
  383. {.div = 0x02800}, /* 200 MHz for vco1div4=250 MHz*/
  384. {.div = 0x02666}, /* 250 MHz for vco1div4=300 MHz*/
  385. {.div = 0x02620}, /* 210 MHz for vco1div4=250 MHz*/
  386. {.div = 0x02460}, /* 220 MHz for vco1div4=250 MHz*/
  387. {.div = 0x022C0}, /* 230 MHz for vco1div4=250 MHz*/
  388. {.div = 0x02160}, /* 240 MHz for vco1div4=250 MHz*/
  389. {.div = 0x02000}, /* 250 MHz for vco1div4=250 MHz*/
  390. };
  391. /* clock parents */
  392. static const char *vco_parents[] = { "osc_24m_clk", "osc_25m_clk", };
  393. static const char *sys_parents[] = { "pll1_clk", "pll1_clk", "pll1_clk",
  394. "pll1_clk", "sys_syn_clk", "sys_syn_clk", "pll2_clk", "pll3_clk", };
  395. static const char *ahb_parents[] = { "cpu_div3_clk", "amba_syn_clk", };
  396. static const char *gpt_parents[] = { "osc_24m_clk", "apb_clk", };
  397. static const char *uart0_parents[] = { "pll5_clk", "osc_24m_clk",
  398. "uart0_syn_gclk", };
  399. static const char *uart1_parents[] = { "pll5_clk", "osc_24m_clk",
  400. "uart1_syn_gclk", };
  401. static const char *c3_parents[] = { "pll5_clk", "c3_syn_gclk", };
  402. static const char *gmac_phy_input_parents[] = { "gmii_pad_clk", "pll2_clk",
  403. "osc_25m_clk", };
  404. static const char *gmac_phy_parents[] = { "phy_input_mclk", "phy_syn_gclk", };
  405. static const char *clcd_synth_parents[] = { "vco1div4_clk", "pll2_clk", };
  406. static const char *clcd_pixel_parents[] = { "pll5_clk", "clcd_syn_clk", };
  407. static const char *i2s_src_parents[] = { "vco1div2_clk", "pll2_clk", "pll3_clk",
  408. "i2s_src_pad_clk", };
  409. static const char *i2s_ref_parents[] = { "i2s_src_mclk", "i2s_prs1_clk", };
  410. static const char *spdif_out_parents[] = { "i2s_src_pad_clk", "gen_syn2_clk", };
  411. static const char *spdif_in_parents[] = { "pll2_clk", "gen_syn3_clk", };
  412. static const char *gen_synth0_1_parents[] = { "vco1div4_clk", "vco3div2_clk",
  413. "pll3_clk", };
  414. static const char *gen_synth2_3_parents[] = { "vco1div4_clk", "vco2div2_clk",
  415. "pll2_clk", };
  416. void __init spear1340_clk_init(void)
  417. {
  418. struct clk *clk, *clk1;
  419. clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, CLK_IS_ROOT, 0);
  420. clk_register_clkdev(clk, "apb_pclk", NULL);
  421. clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT,
  422. 32000);
  423. clk_register_clkdev(clk, "osc_32k_clk", NULL);
  424. clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, CLK_IS_ROOT,
  425. 24000000);
  426. clk_register_clkdev(clk, "osc_24m_clk", NULL);
  427. clk = clk_register_fixed_rate(NULL, "osc_25m_clk", NULL, CLK_IS_ROOT,
  428. 25000000);
  429. clk_register_clkdev(clk, "osc_25m_clk", NULL);
  430. clk = clk_register_fixed_rate(NULL, "gmii_pad_clk", NULL, CLK_IS_ROOT,
  431. 125000000);
  432. clk_register_clkdev(clk, "gmii_pad_clk", NULL);
  433. clk = clk_register_fixed_rate(NULL, "i2s_src_pad_clk", NULL,
  434. CLK_IS_ROOT, 12288000);
  435. clk_register_clkdev(clk, "i2s_src_pad_clk", NULL);
  436. /* clock derived from 32 KHz osc clk */
  437. clk = clk_register_gate(NULL, "rtc-spear", "osc_32k_clk", 0,
  438. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_RTC_CLK_ENB, 0,
  439. &_lock);
  440. clk_register_clkdev(clk, NULL, "e0580000.rtc");
  441. /* clock derived from 24 or 25 MHz osc clk */
  442. /* vco-pll */
  443. clk = clk_register_mux(NULL, "vco1_mclk", vco_parents,
  444. ARRAY_SIZE(vco_parents), 0, SPEAR1340_PLL_CFG,
  445. SPEAR1340_PLL1_CLK_SHIFT, SPEAR1340_PLL_CLK_MASK, 0,
  446. &_lock);
  447. clk_register_clkdev(clk, "vco1_mclk", NULL);
  448. clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, "vco1_mclk", 0,
  449. SPEAR1340_PLL1_CTR, SPEAR1340_PLL1_FRQ, pll_rtbl,
  450. ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
  451. clk_register_clkdev(clk, "vco1_clk", NULL);
  452. clk_register_clkdev(clk1, "pll1_clk", NULL);
  453. clk = clk_register_mux(NULL, "vco2_mclk", vco_parents,
  454. ARRAY_SIZE(vco_parents), 0, SPEAR1340_PLL_CFG,
  455. SPEAR1340_PLL2_CLK_SHIFT, SPEAR1340_PLL_CLK_MASK, 0,
  456. &_lock);
  457. clk_register_clkdev(clk, "vco2_mclk", NULL);
  458. clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, "vco2_mclk", 0,
  459. SPEAR1340_PLL2_CTR, SPEAR1340_PLL2_FRQ, pll_rtbl,
  460. ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
  461. clk_register_clkdev(clk, "vco2_clk", NULL);
  462. clk_register_clkdev(clk1, "pll2_clk", NULL);
  463. clk = clk_register_mux(NULL, "vco3_mclk", vco_parents,
  464. ARRAY_SIZE(vco_parents), 0, SPEAR1340_PLL_CFG,
  465. SPEAR1340_PLL3_CLK_SHIFT, SPEAR1340_PLL_CLK_MASK, 0,
  466. &_lock);
  467. clk_register_clkdev(clk, "vco3_mclk", NULL);
  468. clk = clk_register_vco_pll("vco3_clk", "pll3_clk", NULL, "vco3_mclk", 0,
  469. SPEAR1340_PLL3_CTR, SPEAR1340_PLL3_FRQ, pll_rtbl,
  470. ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
  471. clk_register_clkdev(clk, "vco3_clk", NULL);
  472. clk_register_clkdev(clk1, "pll3_clk", NULL);
  473. clk = clk_register_vco_pll("vco4_clk", "pll4_clk", NULL, "osc_24m_clk",
  474. 0, SPEAR1340_PLL4_CTR, SPEAR1340_PLL4_FRQ, pll4_rtbl,
  475. ARRAY_SIZE(pll4_rtbl), &_lock, &clk1, NULL);
  476. clk_register_clkdev(clk, "vco4_clk", NULL);
  477. clk_register_clkdev(clk1, "pll4_clk", NULL);
  478. clk = clk_register_fixed_rate(NULL, "pll5_clk", "osc_24m_clk", 0,
  479. 48000000);
  480. clk_register_clkdev(clk, "pll5_clk", NULL);
  481. clk = clk_register_fixed_rate(NULL, "pll6_clk", "osc_25m_clk", 0,
  482. 25000000);
  483. clk_register_clkdev(clk, "pll6_clk", NULL);
  484. /* vco div n clocks */
  485. clk = clk_register_fixed_factor(NULL, "vco1div2_clk", "vco1_clk", 0, 1,
  486. 2);
  487. clk_register_clkdev(clk, "vco1div2_clk", NULL);
  488. clk = clk_register_fixed_factor(NULL, "vco1div4_clk", "vco1_clk", 0, 1,
  489. 4);
  490. clk_register_clkdev(clk, "vco1div4_clk", NULL);
  491. clk = clk_register_fixed_factor(NULL, "vco2div2_clk", "vco2_clk", 0, 1,
  492. 2);
  493. clk_register_clkdev(clk, "vco2div2_clk", NULL);
  494. clk = clk_register_fixed_factor(NULL, "vco3div2_clk", "vco3_clk", 0, 1,
  495. 2);
  496. clk_register_clkdev(clk, "vco3div2_clk", NULL);
  497. /* peripherals */
  498. clk_register_fixed_factor(NULL, "thermal_clk", "osc_24m_clk", 0, 1,
  499. 128);
  500. clk = clk_register_gate(NULL, "thermal_gclk", "thermal_clk", 0,
  501. SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_THSENS_CLK_ENB, 0,
  502. &_lock);
  503. clk_register_clkdev(clk, NULL, "e07008c4.thermal");
  504. /* clock derived from pll4 clk */
  505. clk = clk_register_fixed_factor(NULL, "ddr_clk", "pll4_clk", 0, 1,
  506. 1);
  507. clk_register_clkdev(clk, "ddr_clk", NULL);
  508. /* clock derived from pll1 clk */
  509. clk = clk_register_frac("sys_syn_clk", "vco1div2_clk", 0,
  510. SPEAR1340_SYS_CLK_SYNT, sys_synth_rtbl,
  511. ARRAY_SIZE(sys_synth_rtbl), &_lock);
  512. clk_register_clkdev(clk, "sys_syn_clk", NULL);
  513. clk = clk_register_frac("amba_syn_clk", "vco1div2_clk", 0,
  514. SPEAR1340_AMBA_CLK_SYNT, amba_synth_rtbl,
  515. ARRAY_SIZE(amba_synth_rtbl), &_lock);
  516. clk_register_clkdev(clk, "amba_syn_clk", NULL);
  517. clk = clk_register_mux(NULL, "sys_mclk", sys_parents,
  518. ARRAY_SIZE(sys_parents), 0, SPEAR1340_SYS_CLK_CTRL,
  519. SPEAR1340_SCLK_SRC_SEL_SHIFT,
  520. SPEAR1340_SCLK_SRC_SEL_MASK, 0, &_lock);
  521. clk_register_clkdev(clk, "sys_mclk", NULL);
  522. clk = clk_register_fixed_factor(NULL, "cpu_clk", "sys_mclk", 0, 1,
  523. 2);
  524. clk_register_clkdev(clk, "cpu_clk", NULL);
  525. clk = clk_register_fixed_factor(NULL, "cpu_div3_clk", "cpu_clk", 0, 1,
  526. 3);
  527. clk_register_clkdev(clk, "cpu_div3_clk", NULL);
  528. clk = clk_register_fixed_factor(NULL, "wdt_clk", "cpu_clk", 0, 1,
  529. 2);
  530. clk_register_clkdev(clk, NULL, "ec800620.wdt");
  531. clk = clk_register_fixed_factor(NULL, "smp_twd_clk", "cpu_clk", 0, 1,
  532. 2);
  533. clk_register_clkdev(clk, NULL, "smp_twd");
  534. clk = clk_register_mux(NULL, "ahb_clk", ahb_parents,
  535. ARRAY_SIZE(ahb_parents), 0, SPEAR1340_SYS_CLK_CTRL,
  536. SPEAR1340_HCLK_SRC_SEL_SHIFT,
  537. SPEAR1340_HCLK_SRC_SEL_MASK, 0, &_lock);
  538. clk_register_clkdev(clk, "ahb_clk", NULL);
  539. clk = clk_register_fixed_factor(NULL, "apb_clk", "ahb_clk", 0, 1,
  540. 2);
  541. clk_register_clkdev(clk, "apb_clk", NULL);
  542. /* gpt clocks */
  543. clk = clk_register_mux(NULL, "gpt0_mclk", gpt_parents,
  544. ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG,
  545. SPEAR1340_GPT0_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0,
  546. &_lock);
  547. clk_register_clkdev(clk, "gpt0_mclk", NULL);
  548. clk = clk_register_gate(NULL, "gpt0_clk", "gpt0_mclk", 0,
  549. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPT0_CLK_ENB, 0,
  550. &_lock);
  551. clk_register_clkdev(clk, NULL, "gpt0");
  552. clk = clk_register_mux(NULL, "gpt1_mclk", gpt_parents,
  553. ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG,
  554. SPEAR1340_GPT1_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0,
  555. &_lock);
  556. clk_register_clkdev(clk, "gpt1_mclk", NULL);
  557. clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk", 0,
  558. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPT1_CLK_ENB, 0,
  559. &_lock);
  560. clk_register_clkdev(clk, NULL, "gpt1");
  561. clk = clk_register_mux(NULL, "gpt2_mclk", gpt_parents,
  562. ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG,
  563. SPEAR1340_GPT2_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0,
  564. &_lock);
  565. clk_register_clkdev(clk, "gpt2_mclk", NULL);
  566. clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk", 0,
  567. SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_GPT2_CLK_ENB, 0,
  568. &_lock);
  569. clk_register_clkdev(clk, NULL, "gpt2");
  570. clk = clk_register_mux(NULL, "gpt3_mclk", gpt_parents,
  571. ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG,
  572. SPEAR1340_GPT3_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0,
  573. &_lock);
  574. clk_register_clkdev(clk, "gpt3_mclk", NULL);
  575. clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mclk", 0,
  576. SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_GPT3_CLK_ENB, 0,
  577. &_lock);
  578. clk_register_clkdev(clk, NULL, "gpt3");
  579. /* others */
  580. clk = clk_register_aux("uart0_syn_clk", "uart0_syn_gclk",
  581. "vco1div2_clk", 0, SPEAR1340_UART0_CLK_SYNT, NULL,
  582. aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
  583. clk_register_clkdev(clk, "uart0_syn_clk", NULL);
  584. clk_register_clkdev(clk1, "uart0_syn_gclk", NULL);
  585. clk = clk_register_mux(NULL, "uart0_mclk", uart0_parents,
  586. ARRAY_SIZE(uart0_parents), CLK_SET_RATE_PARENT,
  587. SPEAR1340_PERIP_CLK_CFG, SPEAR1340_UART0_CLK_SHIFT,
  588. SPEAR1340_UART_CLK_MASK, 0, &_lock);
  589. clk_register_clkdev(clk, "uart0_mclk", NULL);
  590. clk = clk_register_gate(NULL, "uart0_clk", "uart0_mclk",
  591. CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
  592. SPEAR1340_UART0_CLK_ENB, 0, &_lock);
  593. clk_register_clkdev(clk, NULL, "e0000000.serial");
  594. clk = clk_register_aux("uart1_syn_clk", "uart1_syn_gclk",
  595. "vco1div2_clk", 0, SPEAR1340_UART1_CLK_SYNT, NULL,
  596. aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
  597. clk_register_clkdev(clk, "uart1_syn_clk", NULL);
  598. clk_register_clkdev(clk1, "uart1_syn_gclk", NULL);
  599. clk = clk_register_mux(NULL, "uart1_mclk", uart1_parents,
  600. ARRAY_SIZE(uart1_parents), 0, SPEAR1340_PERIP_CLK_CFG,
  601. SPEAR1340_UART1_CLK_SHIFT, SPEAR1340_UART_CLK_MASK, 0,
  602. &_lock);
  603. clk_register_clkdev(clk, "uart1_mclk", NULL);
  604. clk = clk_register_gate(NULL, "uart1_clk", "uart1_mclk", 0,
  605. SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_UART1_CLK_ENB, 0,
  606. &_lock);
  607. clk_register_clkdev(clk, NULL, "b4100000.serial");
  608. clk = clk_register_aux("sdhci_syn_clk", "sdhci_syn_gclk",
  609. "vco1div2_clk", 0, SPEAR1340_SDHCI_CLK_SYNT, NULL,
  610. aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
  611. clk_register_clkdev(clk, "sdhci_syn_clk", NULL);
  612. clk_register_clkdev(clk1, "sdhci_syn_gclk", NULL);
  613. clk = clk_register_gate(NULL, "sdhci_clk", "sdhci_syn_gclk",
  614. CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
  615. SPEAR1340_SDHCI_CLK_ENB, 0, &_lock);
  616. clk_register_clkdev(clk, NULL, "b3000000.sdhci");
  617. clk = clk_register_aux("cfxd_syn_clk", "cfxd_syn_gclk", "vco1div2_clk",
  618. 0, SPEAR1340_CFXD_CLK_SYNT, NULL, aux_rtbl,
  619. ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
  620. clk_register_clkdev(clk, "cfxd_syn_clk", NULL);
  621. clk_register_clkdev(clk1, "cfxd_syn_gclk", NULL);
  622. clk = clk_register_gate(NULL, "cfxd_clk", "cfxd_syn_gclk",
  623. CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
  624. SPEAR1340_CFXD_CLK_ENB, 0, &_lock);
  625. clk_register_clkdev(clk, NULL, "b2800000.cf");
  626. clk_register_clkdev(clk, NULL, "arasan_xd");
  627. clk = clk_register_aux("c3_syn_clk", "c3_syn_gclk", "vco1div2_clk", 0,
  628. SPEAR1340_C3_CLK_SYNT, NULL, aux_rtbl,
  629. ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
  630. clk_register_clkdev(clk, "c3_syn_clk", NULL);
  631. clk_register_clkdev(clk1, "c3_syn_gclk", NULL);
  632. clk = clk_register_mux(NULL, "c3_mclk", c3_parents,
  633. ARRAY_SIZE(c3_parents), CLK_SET_RATE_PARENT,
  634. SPEAR1340_PERIP_CLK_CFG, SPEAR1340_C3_CLK_SHIFT,
  635. SPEAR1340_C3_CLK_MASK, 0, &_lock);
  636. clk_register_clkdev(clk, "c3_mclk", NULL);
  637. clk = clk_register_gate(NULL, "c3_clk", "c3_mclk", CLK_SET_RATE_PARENT,
  638. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_C3_CLK_ENB, 0,
  639. &_lock);
  640. clk_register_clkdev(clk, NULL, "e1800000.c3");
  641. /* gmac */
  642. clk = clk_register_mux(NULL, "phy_input_mclk", gmac_phy_input_parents,
  643. ARRAY_SIZE(gmac_phy_input_parents), 0,
  644. SPEAR1340_GMAC_CLK_CFG,
  645. SPEAR1340_GMAC_PHY_INPUT_CLK_SHIFT,
  646. SPEAR1340_GMAC_PHY_INPUT_CLK_MASK, 0, &_lock);
  647. clk_register_clkdev(clk, "phy_input_mclk", NULL);
  648. clk = clk_register_aux("phy_syn_clk", "phy_syn_gclk", "phy_input_mclk",
  649. 0, SPEAR1340_GMAC_CLK_SYNT, NULL, gmac_rtbl,
  650. ARRAY_SIZE(gmac_rtbl), &_lock, &clk1);
  651. clk_register_clkdev(clk, "phy_syn_clk", NULL);
  652. clk_register_clkdev(clk1, "phy_syn_gclk", NULL);
  653. clk = clk_register_mux(NULL, "phy_mclk", gmac_phy_parents,
  654. ARRAY_SIZE(gmac_phy_parents), 0,
  655. SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GMAC_PHY_CLK_SHIFT,
  656. SPEAR1340_GMAC_PHY_CLK_MASK, 0, &_lock);
  657. clk_register_clkdev(clk, "stmmacphy.0", NULL);
  658. /* clcd */
  659. clk = clk_register_mux(NULL, "clcd_syn_mclk", clcd_synth_parents,
  660. ARRAY_SIZE(clcd_synth_parents), 0,
  661. SPEAR1340_CLCD_CLK_SYNT, SPEAR1340_CLCD_SYNT_CLK_SHIFT,
  662. SPEAR1340_CLCD_SYNT_CLK_MASK, 0, &_lock);
  663. clk_register_clkdev(clk, "clcd_syn_mclk", NULL);
  664. clk = clk_register_frac("clcd_syn_clk", "clcd_syn_mclk", 0,
  665. SPEAR1340_CLCD_CLK_SYNT, clcd_rtbl,
  666. ARRAY_SIZE(clcd_rtbl), &_lock);
  667. clk_register_clkdev(clk, "clcd_syn_clk", NULL);
  668. clk = clk_register_mux(NULL, "clcd_pixel_mclk", clcd_pixel_parents,
  669. ARRAY_SIZE(clcd_pixel_parents), CLK_SET_RATE_PARENT,
  670. SPEAR1340_PERIP_CLK_CFG, SPEAR1340_CLCD_CLK_SHIFT,
  671. SPEAR1340_CLCD_CLK_MASK, 0, &_lock);
  672. clk_register_clkdev(clk, "clcd_pixel_mclk", NULL);
  673. clk = clk_register_gate(NULL, "clcd_clk", "clcd_pixel_mclk", 0,
  674. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_CLCD_CLK_ENB, 0,
  675. &_lock);
  676. clk_register_clkdev(clk, NULL, "e1000000.clcd");
  677. /* i2s */
  678. clk = clk_register_mux(NULL, "i2s_src_mclk", i2s_src_parents,
  679. ARRAY_SIZE(i2s_src_parents), 0, SPEAR1340_I2S_CLK_CFG,
  680. SPEAR1340_I2S_SRC_CLK_SHIFT, SPEAR1340_I2S_SRC_CLK_MASK,
  681. 0, &_lock);
  682. clk_register_clkdev(clk, "i2s_src_mclk", NULL);
  683. clk = clk_register_aux("i2s_prs1_clk", NULL, "i2s_src_mclk",
  684. CLK_SET_RATE_PARENT, SPEAR1340_I2S_CLK_CFG,
  685. &i2s_prs1_masks, i2s_prs1_rtbl,
  686. ARRAY_SIZE(i2s_prs1_rtbl), &_lock, NULL);
  687. clk_register_clkdev(clk, "i2s_prs1_clk", NULL);
  688. clk = clk_register_mux(NULL, "i2s_ref_mclk", i2s_ref_parents,
  689. ARRAY_SIZE(i2s_ref_parents), CLK_SET_RATE_PARENT,
  690. SPEAR1340_I2S_CLK_CFG, SPEAR1340_I2S_REF_SHIFT,
  691. SPEAR1340_I2S_REF_SEL_MASK, 0, &_lock);
  692. clk_register_clkdev(clk, "i2s_ref_mclk", NULL);
  693. clk = clk_register_gate(NULL, "i2s_ref_pad_clk", "i2s_ref_mclk", 0,
  694. SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_I2S_REF_PAD_CLK_ENB,
  695. 0, &_lock);
  696. clk_register_clkdev(clk, "i2s_ref_pad_clk", NULL);
  697. clk = clk_register_aux("i2s_sclk_clk", "i2s_sclk_gclk", "i2s_ref_mclk",
  698. 0, SPEAR1340_I2S_CLK_CFG, &i2s_sclk_masks,
  699. i2s_sclk_rtbl, ARRAY_SIZE(i2s_sclk_rtbl), &_lock,
  700. &clk1);
  701. clk_register_clkdev(clk, "i2s_sclk_clk", NULL);
  702. clk_register_clkdev(clk1, "i2s_sclk_gclk", NULL);
  703. /* clock derived from ahb clk */
  704. clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0,
  705. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2C0_CLK_ENB, 0,
  706. &_lock);
  707. clk_register_clkdev(clk, NULL, "e0280000.i2c");
  708. clk = clk_register_gate(NULL, "i2c1_clk", "ahb_clk", 0,
  709. SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_I2C1_CLK_ENB, 0,
  710. &_lock);
  711. clk_register_clkdev(clk, NULL, "b4000000.i2c");
  712. clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0,
  713. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_DMA_CLK_ENB, 0,
  714. &_lock);
  715. clk_register_clkdev(clk, NULL, "ea800000.dma");
  716. clk_register_clkdev(clk, NULL, "eb000000.dma");
  717. clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0,
  718. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GMAC_CLK_ENB, 0,
  719. &_lock);
  720. clk_register_clkdev(clk, NULL, "e2000000.eth");
  721. clk = clk_register_gate(NULL, "fsmc_clk", "ahb_clk", 0,
  722. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_FSMC_CLK_ENB, 0,
  723. &_lock);
  724. clk_register_clkdev(clk, NULL, "b0000000.flash");
  725. clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0,
  726. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SMI_CLK_ENB, 0,
  727. &_lock);
  728. clk_register_clkdev(clk, NULL, "ea000000.flash");
  729. clk = clk_register_gate(NULL, "usbh0_clk", "ahb_clk", 0,
  730. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UHC0_CLK_ENB, 0,
  731. &_lock);
  732. clk_register_clkdev(clk, NULL, "e4000000.ohci");
  733. clk_register_clkdev(clk, NULL, "e4800000.ehci");
  734. clk = clk_register_gate(NULL, "usbh1_clk", "ahb_clk", 0,
  735. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UHC1_CLK_ENB, 0,
  736. &_lock);
  737. clk_register_clkdev(clk, NULL, "e5000000.ohci");
  738. clk_register_clkdev(clk, NULL, "e5800000.ehci");
  739. clk = clk_register_gate(NULL, "uoc_clk", "ahb_clk", 0,
  740. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UOC_CLK_ENB, 0,
  741. &_lock);
  742. clk_register_clkdev(clk, NULL, "e3800000.otg");
  743. clk = clk_register_gate(NULL, "pcie_sata_clk", "ahb_clk", 0,
  744. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_PCIE_SATA_CLK_ENB,
  745. 0, &_lock);
  746. clk_register_clkdev(clk, NULL, "dw_pcie");
  747. clk_register_clkdev(clk, NULL, "b1000000.ahci");
  748. clk = clk_register_gate(NULL, "sysram0_clk", "ahb_clk", 0,
  749. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SYSRAM0_CLK_ENB, 0,
  750. &_lock);
  751. clk_register_clkdev(clk, "sysram0_clk", NULL);
  752. clk = clk_register_gate(NULL, "sysram1_clk", "ahb_clk", 0,
  753. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SYSRAM1_CLK_ENB, 0,
  754. &_lock);
  755. clk_register_clkdev(clk, "sysram1_clk", NULL);
  756. clk = clk_register_aux("adc_syn_clk", "adc_syn_gclk", "ahb_clk",
  757. 0, SPEAR1340_ADC_CLK_SYNT, NULL, adc_rtbl,
  758. ARRAY_SIZE(adc_rtbl), &_lock, &clk1);
  759. clk_register_clkdev(clk, "adc_syn_clk", NULL);
  760. clk_register_clkdev(clk1, "adc_syn_gclk", NULL);
  761. clk = clk_register_gate(NULL, "adc_clk", "adc_syn_gclk",
  762. CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
  763. SPEAR1340_ADC_CLK_ENB, 0, &_lock);
  764. clk_register_clkdev(clk, NULL, "e0080000.adc");
  765. /* clock derived from apb clk */
  766. clk = clk_register_gate(NULL, "ssp_clk", "apb_clk", 0,
  767. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SSP_CLK_ENB, 0,
  768. &_lock);
  769. clk_register_clkdev(clk, NULL, "e0100000.spi");
  770. clk = clk_register_gate(NULL, "gpio0_clk", "apb_clk", 0,
  771. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPIO0_CLK_ENB, 0,
  772. &_lock);
  773. clk_register_clkdev(clk, NULL, "e0600000.gpio");
  774. clk = clk_register_gate(NULL, "gpio1_clk", "apb_clk", 0,
  775. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPIO1_CLK_ENB, 0,
  776. &_lock);
  777. clk_register_clkdev(clk, NULL, "e0680000.gpio");
  778. clk = clk_register_gate(NULL, "i2s_play_clk", "apb_clk", 0,
  779. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2S_PLAY_CLK_ENB, 0,
  780. &_lock);
  781. clk_register_clkdev(clk, NULL, "b2400000.i2s-play");
  782. clk = clk_register_gate(NULL, "i2s_rec_clk", "apb_clk", 0,
  783. SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2S_REC_CLK_ENB, 0,
  784. &_lock);
  785. clk_register_clkdev(clk, NULL, "b2000000.i2s-rec");
  786. clk = clk_register_gate(NULL, "kbd_clk", "apb_clk", 0,
  787. SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_KBD_CLK_ENB, 0,
  788. &_lock);
  789. clk_register_clkdev(clk, NULL, "e0300000.kbd");
  790. /* RAS clks */
  791. clk = clk_register_mux(NULL, "gen_syn0_1_mclk", gen_synth0_1_parents,
  792. ARRAY_SIZE(gen_synth0_1_parents), 0, SPEAR1340_PLL_CFG,
  793. SPEAR1340_GEN_SYNT0_1_CLK_SHIFT,
  794. SPEAR1340_GEN_SYNT_CLK_MASK, 0, &_lock);
  795. clk_register_clkdev(clk, "gen_syn0_1_mclk", NULL);
  796. clk = clk_register_mux(NULL, "gen_syn2_3_mclk", gen_synth2_3_parents,
  797. ARRAY_SIZE(gen_synth2_3_parents), 0, SPEAR1340_PLL_CFG,
  798. SPEAR1340_GEN_SYNT2_3_CLK_SHIFT,
  799. SPEAR1340_GEN_SYNT_CLK_MASK, 0, &_lock);
  800. clk_register_clkdev(clk, "gen_syn2_3_mclk", NULL);
  801. clk = clk_register_frac("gen_syn0_clk", "gen_syn0_1_mclk", 0,
  802. SPEAR1340_GEN_CLK_SYNT0, gen_rtbl, ARRAY_SIZE(gen_rtbl),
  803. &_lock);
  804. clk_register_clkdev(clk, "gen_syn0_clk", NULL);
  805. clk = clk_register_frac("gen_syn1_clk", "gen_syn0_1_mclk", 0,
  806. SPEAR1340_GEN_CLK_SYNT1, gen_rtbl, ARRAY_SIZE(gen_rtbl),
  807. &_lock);
  808. clk_register_clkdev(clk, "gen_syn1_clk", NULL);
  809. clk = clk_register_frac("gen_syn2_clk", "gen_syn2_3_mclk", 0,
  810. SPEAR1340_GEN_CLK_SYNT2, gen_rtbl, ARRAY_SIZE(gen_rtbl),
  811. &_lock);
  812. clk_register_clkdev(clk, "gen_syn2_clk", NULL);
  813. clk = clk_register_frac("gen_syn3_clk", "gen_syn2_3_mclk", 0,
  814. SPEAR1340_GEN_CLK_SYNT3, gen_rtbl, ARRAY_SIZE(gen_rtbl),
  815. &_lock);
  816. clk_register_clkdev(clk, "gen_syn3_clk", NULL);
  817. clk = clk_register_gate(NULL, "mali_clk", "gen_syn3_clk",
  818. CLK_SET_RATE_PARENT, SPEAR1340_PERIP3_CLK_ENB,
  819. SPEAR1340_MALI_CLK_ENB, 0, &_lock);
  820. clk_register_clkdev(clk, NULL, "mali");
  821. clk = clk_register_gate(NULL, "cec0_clk", "ahb_clk", 0,
  822. SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CEC0_CLK_ENB, 0,
  823. &_lock);
  824. clk_register_clkdev(clk, NULL, "spear_cec.0");
  825. clk = clk_register_gate(NULL, "cec1_clk", "ahb_clk", 0,
  826. SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CEC1_CLK_ENB, 0,
  827. &_lock);
  828. clk_register_clkdev(clk, NULL, "spear_cec.1");
  829. clk = clk_register_mux(NULL, "spdif_out_mclk", spdif_out_parents,
  830. ARRAY_SIZE(spdif_out_parents), CLK_SET_RATE_PARENT,
  831. SPEAR1340_PERIP_CLK_CFG, SPEAR1340_SPDIF_OUT_CLK_SHIFT,
  832. SPEAR1340_SPDIF_CLK_MASK, 0, &_lock);
  833. clk_register_clkdev(clk, "spdif_out_mclk", NULL);
  834. clk = clk_register_gate(NULL, "spdif_out_clk", "spdif_out_mclk",
  835. CLK_SET_RATE_PARENT, SPEAR1340_PERIP3_CLK_ENB,
  836. SPEAR1340_SPDIF_OUT_CLK_ENB, 0, &_lock);
  837. clk_register_clkdev(clk, NULL, "d0000000.spdif-out");
  838. clk = clk_register_mux(NULL, "spdif_in_mclk", spdif_in_parents,
  839. ARRAY_SIZE(spdif_in_parents), CLK_SET_RATE_PARENT,
  840. SPEAR1340_PERIP_CLK_CFG, SPEAR1340_SPDIF_IN_CLK_SHIFT,
  841. SPEAR1340_SPDIF_CLK_MASK, 0, &_lock);
  842. clk_register_clkdev(clk, "spdif_in_mclk", NULL);
  843. clk = clk_register_gate(NULL, "spdif_in_clk", "spdif_in_mclk",
  844. CLK_SET_RATE_PARENT, SPEAR1340_PERIP3_CLK_ENB,
  845. SPEAR1340_SPDIF_IN_CLK_ENB, 0, &_lock);
  846. clk_register_clkdev(clk, NULL, "d0100000.spdif-in");
  847. clk = clk_register_gate(NULL, "acp_clk", "acp_mclk", 0,
  848. SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_ACP_CLK_ENB, 0,
  849. &_lock);
  850. clk_register_clkdev(clk, NULL, "acp_clk");
  851. clk = clk_register_gate(NULL, "plgpio_clk", "plgpio_mclk", 0,
  852. SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_PLGPIO_CLK_ENB, 0,
  853. &_lock);
  854. clk_register_clkdev(clk, NULL, "e2800000.gpio");
  855. clk = clk_register_gate(NULL, "video_dec_clk", "video_dec_mclk", 0,
  856. SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_DEC_CLK_ENB,
  857. 0, &_lock);
  858. clk_register_clkdev(clk, NULL, "video_dec");
  859. clk = clk_register_gate(NULL, "video_enc_clk", "video_enc_mclk", 0,
  860. SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_ENC_CLK_ENB,
  861. 0, &_lock);
  862. clk_register_clkdev(clk, NULL, "video_enc");
  863. clk = clk_register_gate(NULL, "video_in_clk", "video_in_mclk", 0,
  864. SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_IN_CLK_ENB, 0,
  865. &_lock);
  866. clk_register_clkdev(clk, NULL, "spear_vip");
  867. clk = clk_register_gate(NULL, "cam0_clk", "cam0_mclk", 0,
  868. SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM0_CLK_ENB, 0,
  869. &_lock);
  870. clk_register_clkdev(clk, NULL, "d0200000.cam0");
  871. clk = clk_register_gate(NULL, "cam1_clk", "cam1_mclk", 0,
  872. SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM1_CLK_ENB, 0,
  873. &_lock);
  874. clk_register_clkdev(clk, NULL, "d0300000.cam1");
  875. clk = clk_register_gate(NULL, "cam2_clk", "cam2_mclk", 0,
  876. SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM2_CLK_ENB, 0,
  877. &_lock);
  878. clk_register_clkdev(clk, NULL, "d0400000.cam2");
  879. clk = clk_register_gate(NULL, "cam3_clk", "cam3_mclk", 0,
  880. SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM3_CLK_ENB, 0,
  881. &_lock);
  882. clk_register_clkdev(clk, NULL, "d0500000.cam3");
  883. clk = clk_register_gate(NULL, "pwm_clk", "ahb_clk", 0,
  884. SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_PWM_CLK_ENB, 0,
  885. &_lock);
  886. clk_register_clkdev(clk, NULL, "e0180000.pwm");
  887. }