ccu-sun8i-a33.c 26 KB

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  1. // SPDX-License-Identifier: GPL-2.0-only
  2. /*
  3. * Copyright (c) 2016 Maxime Ripard. All rights reserved.
  4. */
  5. #include <linux/clk-provider.h>
  6. #include <linux/io.h>
  7. #include <linux/module.h>
  8. #include <linux/platform_device.h>
  9. #include "ccu_common.h"
  10. #include "ccu_reset.h"
  11. #include "ccu_div.h"
  12. #include "ccu_gate.h"
  13. #include "ccu_mp.h"
  14. #include "ccu_mult.h"
  15. #include "ccu_nk.h"
  16. #include "ccu_nkm.h"
  17. #include "ccu_nkmp.h"
  18. #include "ccu_nm.h"
  19. #include "ccu_phase.h"
  20. #include "ccu-sun8i-a23-a33.h"
  21. static struct ccu_nkmp pll_cpux_clk = {
  22. .enable = BIT(31),
  23. .lock = BIT(28),
  24. .n = _SUNXI_CCU_MULT(8, 5),
  25. .k = _SUNXI_CCU_MULT(4, 2),
  26. .m = _SUNXI_CCU_DIV(0, 2),
  27. .p = _SUNXI_CCU_DIV_MAX(16, 2, 4),
  28. .common = {
  29. .reg = 0x000,
  30. .hw.init = CLK_HW_INIT("pll-cpux", "osc24M",
  31. &ccu_nkmp_ops,
  32. 0),
  33. },
  34. };
  35. /*
  36. * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from
  37. * the base (2x, 4x and 8x), and one variable divider (the one true
  38. * pll audio).
  39. *
  40. * With sigma-delta modulation for fractional-N on the audio PLL,
  41. * we have to use specific dividers. This means the variable divider
  42. * can no longer be used, as the audio codec requests the exact clock
  43. * rates we support through this mechanism. So we now hard code the
  44. * variable divider to 1. This means the clock rates will no longer
  45. * match the clock names.
  46. */
  47. #define SUN8I_A33_PLL_AUDIO_REG 0x008
  48. static struct ccu_sdm_setting pll_audio_sdm_table[] = {
  49. { .rate = 22579200, .pattern = 0xc0010d84, .m = 8, .n = 7 },
  50. { .rate = 24576000, .pattern = 0xc000ac02, .m = 14, .n = 14 },
  51. };
  52. static SUNXI_CCU_NM_WITH_SDM_GATE_LOCK(pll_audio_base_clk, "pll-audio-base",
  53. "osc24M", 0x008,
  54. 8, 7, /* N */
  55. 0, 5, /* M */
  56. pll_audio_sdm_table, BIT(24),
  57. 0x284, BIT(31),
  58. BIT(31), /* gate */
  59. BIT(28), /* lock */
  60. CLK_SET_RATE_UNGATE);
  61. static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk, "pll-video",
  62. "osc24M", 0x010,
  63. 8, 7, /* N */
  64. 0, 4, /* M */
  65. BIT(24), /* frac enable */
  66. BIT(25), /* frac select */
  67. 270000000, /* frac rate 0 */
  68. 297000000, /* frac rate 1 */
  69. BIT(31), /* gate */
  70. BIT(28), /* lock */
  71. CLK_SET_RATE_UNGATE);
  72. static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve",
  73. "osc24M", 0x018,
  74. 8, 7, /* N */
  75. 0, 4, /* M */
  76. BIT(24), /* frac enable */
  77. BIT(25), /* frac select */
  78. 270000000, /* frac rate 0 */
  79. 297000000, /* frac rate 1 */
  80. BIT(31), /* gate */
  81. BIT(28), /* lock */
  82. CLK_SET_RATE_UNGATE);
  83. static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr0_clk, "pll-ddr0",
  84. "osc24M", 0x020,
  85. 8, 5, /* N */
  86. 4, 2, /* K */
  87. 0, 2, /* M */
  88. BIT(31), /* gate */
  89. BIT(28), /* lock */
  90. 0);
  91. static SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(pll_periph_clk, "pll-periph",
  92. "osc24M", 0x028,
  93. 8, 5, /* N */
  94. 4, 2, /* K */
  95. BIT(31), /* gate */
  96. BIT(28), /* lock */
  97. 2, /* post-div */
  98. CLK_SET_RATE_UNGATE);
  99. static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_gpu_clk, "pll-gpu",
  100. "osc24M", 0x038,
  101. 8, 7, /* N */
  102. 0, 4, /* M */
  103. BIT(24), /* frac enable */
  104. BIT(25), /* frac select */
  105. 270000000, /* frac rate 0 */
  106. 297000000, /* frac rate 1 */
  107. BIT(31), /* gate */
  108. BIT(28), /* lock */
  109. CLK_SET_RATE_UNGATE);
  110. /*
  111. * The MIPI PLL has 2 modes: "MIPI" and "HDMI".
  112. *
  113. * The MIPI mode is a standard NKM-style clock. The HDMI mode is an
  114. * integer / fractional clock with switchable multipliers and dividers.
  115. * This is not supported here. We hardcode the PLL to MIPI mode.
  116. */
  117. #define SUN8I_A33_PLL_MIPI_REG 0x040
  118. static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_mipi_clk, "pll-mipi",
  119. "pll-video", 0x040,
  120. 8, 4, /* N */
  121. 4, 2, /* K */
  122. 0, 4, /* M */
  123. BIT(31) | BIT(23) | BIT(22), /* gate */
  124. BIT(28), /* lock */
  125. CLK_SET_RATE_UNGATE);
  126. static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_hsic_clk, "pll-hsic",
  127. "osc24M", 0x044,
  128. 8, 7, /* N */
  129. 0, 4, /* M */
  130. BIT(24), /* frac enable */
  131. BIT(25), /* frac select */
  132. 270000000, /* frac rate 0 */
  133. 297000000, /* frac rate 1 */
  134. BIT(31), /* gate */
  135. BIT(28), /* lock */
  136. CLK_SET_RATE_UNGATE);
  137. static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_de_clk, "pll-de",
  138. "osc24M", 0x048,
  139. 8, 7, /* N */
  140. 0, 4, /* M */
  141. BIT(24), /* frac enable */
  142. BIT(25), /* frac select */
  143. 270000000, /* frac rate 0 */
  144. 297000000, /* frac rate 1 */
  145. BIT(31), /* gate */
  146. BIT(28), /* lock */
  147. CLK_SET_RATE_UNGATE);
  148. static struct ccu_mult pll_ddr1_clk = {
  149. .enable = BIT(31),
  150. .lock = BIT(28),
  151. .mult = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 6, 0, 12, 0),
  152. .common = {
  153. .reg = 0x04c,
  154. .hw.init = CLK_HW_INIT("pll-ddr1", "osc24M",
  155. &ccu_mult_ops,
  156. CLK_SET_RATE_UNGATE),
  157. },
  158. };
  159. static const char * const cpux_parents[] = { "osc32k", "osc24M",
  160. "pll-cpux" , "pll-cpux" };
  161. static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents,
  162. 0x050, 16, 2, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT);
  163. static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x050, 0, 2, 0);
  164. static const char * const ahb1_parents[] = { "osc32k", "osc24M",
  165. "axi" , "pll-periph" };
  166. static const struct ccu_mux_var_prediv ahb1_predivs[] = {
  167. { .index = 3, .shift = 6, .width = 2 },
  168. };
  169. static struct ccu_div ahb1_clk = {
  170. .div = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),
  171. .mux = {
  172. .shift = 12,
  173. .width = 2,
  174. .var_predivs = ahb1_predivs,
  175. .n_var_predivs = ARRAY_SIZE(ahb1_predivs),
  176. },
  177. .common = {
  178. .reg = 0x054,
  179. .features = CCU_FEATURE_VARIABLE_PREDIV,
  180. .hw.init = CLK_HW_INIT_PARENTS("ahb1",
  181. ahb1_parents,
  182. &ccu_div_ops,
  183. 0),
  184. },
  185. };
  186. static struct clk_div_table apb1_div_table[] = {
  187. { .val = 0, .div = 2 },
  188. { .val = 1, .div = 2 },
  189. { .val = 2, .div = 4 },
  190. { .val = 3, .div = 8 },
  191. { /* Sentinel */ },
  192. };
  193. static SUNXI_CCU_DIV_TABLE(apb1_clk, "apb1", "ahb1",
  194. 0x054, 8, 2, apb1_div_table, 0);
  195. static const char * const apb2_parents[] = { "osc32k", "osc24M",
  196. "pll-periph" , "pll-periph" };
  197. static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058,
  198. 0, 5, /* M */
  199. 16, 2, /* P */
  200. 24, 2, /* mux */
  201. 0);
  202. static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb1",
  203. 0x060, BIT(1), 0);
  204. static SUNXI_CCU_GATE(bus_ss_clk, "bus-ss", "ahb1",
  205. 0x060, BIT(5), 0);
  206. static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "ahb1",
  207. 0x060, BIT(6), 0);
  208. static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb1",
  209. 0x060, BIT(8), 0);
  210. static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb1",
  211. 0x060, BIT(9), 0);
  212. static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2", "ahb1",
  213. 0x060, BIT(10), 0);
  214. static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb1",
  215. 0x060, BIT(13), 0);
  216. static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "ahb1",
  217. 0x060, BIT(14), 0);
  218. static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "ahb1",
  219. 0x060, BIT(19), 0);
  220. static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb1",
  221. 0x060, BIT(20), 0);
  222. static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb1",
  223. 0x060, BIT(21), 0);
  224. static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb1",
  225. 0x060, BIT(24), 0);
  226. static SUNXI_CCU_GATE(bus_ehci_clk, "bus-ehci", "ahb1",
  227. 0x060, BIT(26), 0);
  228. static SUNXI_CCU_GATE(bus_ohci_clk, "bus-ohci", "ahb1",
  229. 0x060, BIT(29), 0);
  230. static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb1",
  231. 0x064, BIT(0), 0);
  232. static SUNXI_CCU_GATE(bus_lcd_clk, "bus-lcd", "ahb1",
  233. 0x064, BIT(4), 0);
  234. static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb1",
  235. 0x064, BIT(8), 0);
  236. static SUNXI_CCU_GATE(bus_de_be_clk, "bus-de-be", "ahb1",
  237. 0x064, BIT(12), 0);
  238. static SUNXI_CCU_GATE(bus_de_fe_clk, "bus-de-fe", "ahb1",
  239. 0x064, BIT(14), 0);
  240. static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "ahb1",
  241. 0x064, BIT(20), 0);
  242. static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "ahb1",
  243. 0x064, BIT(21), 0);
  244. static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb1",
  245. 0x064, BIT(22), 0);
  246. static SUNXI_CCU_GATE(bus_drc_clk, "bus-drc", "ahb1",
  247. 0x064, BIT(25), 0);
  248. static SUNXI_CCU_GATE(bus_sat_clk, "bus-sat", "ahb1",
  249. 0x064, BIT(26), 0);
  250. static SUNXI_CCU_GATE(bus_codec_clk, "bus-codec", "apb1",
  251. 0x068, BIT(0), 0);
  252. static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio", "apb1",
  253. 0x068, BIT(5), 0);
  254. static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb1",
  255. 0x068, BIT(12), 0);
  256. static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb1",
  257. 0x068, BIT(13), 0);
  258. static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2",
  259. 0x06c, BIT(0), 0);
  260. static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2",
  261. 0x06c, BIT(1), 0);
  262. static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2",
  263. 0x06c, BIT(2), 0);
  264. static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2",
  265. 0x06c, BIT(16), 0);
  266. static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2",
  267. 0x06c, BIT(17), 0);
  268. static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2",
  269. 0x06c, BIT(18), 0);
  270. static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb2",
  271. 0x06c, BIT(19), 0);
  272. static SUNXI_CCU_GATE(bus_uart4_clk, "bus-uart4", "apb2",
  273. 0x06c, BIT(20), 0);
  274. static const char * const mod0_default_parents[] = { "osc24M", "pll-periph" };
  275. static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk, "nand", mod0_default_parents, 0x080,
  276. 0, 4, /* M */
  277. 16, 2, /* P */
  278. 24, 2, /* mux */
  279. BIT(31), /* gate */
  280. 0);
  281. static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents, 0x088,
  282. 0, 4, /* M */
  283. 16, 2, /* P */
  284. 24, 2, /* mux */
  285. BIT(31), /* gate */
  286. 0);
  287. static SUNXI_CCU_PHASE(mmc0_sample_clk, "mmc0_sample", "mmc0",
  288. 0x088, 20, 3, 0);
  289. static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0_output", "mmc0",
  290. 0x088, 8, 3, 0);
  291. static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents, 0x08c,
  292. 0, 4, /* M */
  293. 16, 2, /* P */
  294. 24, 2, /* mux */
  295. BIT(31), /* gate */
  296. 0);
  297. static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1_sample", "mmc1",
  298. 0x08c, 20, 3, 0);
  299. static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1_output", "mmc1",
  300. 0x08c, 8, 3, 0);
  301. static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents, 0x090,
  302. 0, 4, /* M */
  303. 16, 2, /* P */
  304. 24, 2, /* mux */
  305. BIT(31), /* gate */
  306. 0);
  307. static SUNXI_CCU_PHASE(mmc2_sample_clk, "mmc2_sample", "mmc2",
  308. 0x090, 20, 3, 0);
  309. static SUNXI_CCU_PHASE(mmc2_output_clk, "mmc2_output", "mmc2",
  310. 0x090, 8, 3, 0);
  311. static SUNXI_CCU_MP_WITH_MUX_GATE(ss_clk, "ss", mod0_default_parents, 0x09c,
  312. 0, 4, /* M */
  313. 16, 2, /* P */
  314. 24, 2, /* mux */
  315. BIT(31), /* gate */
  316. 0);
  317. static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents, 0x0a0,
  318. 0, 4, /* M */
  319. 16, 2, /* P */
  320. 24, 2, /* mux */
  321. BIT(31), /* gate */
  322. 0);
  323. static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4,
  324. 0, 4, /* M */
  325. 16, 2, /* P */
  326. 24, 2, /* mux */
  327. BIT(31), /* gate */
  328. 0);
  329. static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x",
  330. "pll-audio-2x", "pll-audio" };
  331. static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents,
  332. 0x0b0, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
  333. static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents,
  334. 0x0b4, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
  335. /* TODO: the parent for most of the USB clocks is not known */
  336. static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M",
  337. 0x0cc, BIT(8), 0);
  338. static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "osc24M",
  339. 0x0cc, BIT(9), 0);
  340. static SUNXI_CCU_GATE(usb_hsic_clk, "usb-hsic", "pll-hsic",
  341. 0x0cc, BIT(10), 0);
  342. static SUNXI_CCU_GATE(usb_hsic_12M_clk, "usb-hsic-12M", "osc24M",
  343. 0x0cc, BIT(11), 0);
  344. static SUNXI_CCU_GATE(usb_ohci_clk, "usb-ohci", "osc24M",
  345. 0x0cc, BIT(16), 0);
  346. static SUNXI_CCU_M(dram_clk, "dram", "pll-ddr",
  347. 0x0f4, 0, 4, CLK_IS_CRITICAL);
  348. static const char * const pll_ddr_parents[] = { "pll-ddr0", "pll-ddr1" };
  349. static SUNXI_CCU_MUX(pll_ddr_clk, "pll-ddr", pll_ddr_parents,
  350. 0x0f8, 16, 1, 0);
  351. static SUNXI_CCU_GATE(dram_ve_clk, "dram-ve", "dram",
  352. 0x100, BIT(0), 0);
  353. static SUNXI_CCU_GATE(dram_csi_clk, "dram-csi", "dram",
  354. 0x100, BIT(1), 0);
  355. static SUNXI_CCU_GATE(dram_drc_clk, "dram-drc", "dram",
  356. 0x100, BIT(16), 0);
  357. static SUNXI_CCU_GATE(dram_de_fe_clk, "dram-de-fe", "dram",
  358. 0x100, BIT(24), 0);
  359. static SUNXI_CCU_GATE(dram_de_be_clk, "dram-de-be", "dram",
  360. 0x100, BIT(26), 0);
  361. static const char * const de_parents[] = { "pll-video", "pll-periph-2x",
  362. "pll-gpu", "pll-de" };
  363. static const u8 de_table[] = { 0, 2, 3, 5 };
  364. static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_be_clk, "de-be",
  365. de_parents, de_table,
  366. 0x104, 0, 4, 24, 3, BIT(31), 0);
  367. static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_fe_clk, "de-fe",
  368. de_parents, de_table,
  369. 0x10c, 0, 4, 24, 3, BIT(31), 0);
  370. static const char * const lcd_ch0_parents[] = { "pll-video", "pll-video-2x",
  371. "pll-mipi" };
  372. static const u8 lcd_ch0_table[] = { 0, 2, 4 };
  373. static SUNXI_CCU_MUX_TABLE_WITH_GATE(lcd_ch0_clk, "lcd-ch0",
  374. lcd_ch0_parents, lcd_ch0_table,
  375. 0x118, 24, 3, BIT(31),
  376. CLK_SET_RATE_PARENT);
  377. static const char * const lcd_ch1_parents[] = { "pll-video", "pll-video-2x" };
  378. static const u8 lcd_ch1_table[] = { 0, 2 };
  379. static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(lcd_ch1_clk, "lcd-ch1",
  380. lcd_ch1_parents, lcd_ch1_table,
  381. 0x12c, 0, 4, 24, 2, BIT(31), 0);
  382. static const char * const csi_sclk_parents[] = { "pll-video", "pll-de",
  383. "pll-mipi", "pll-ve" };
  384. static const u8 csi_sclk_table[] = { 0, 3, 4, 5 };
  385. static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_sclk_clk, "csi-sclk",
  386. csi_sclk_parents, csi_sclk_table,
  387. 0x134, 16, 4, 24, 3, BIT(31), 0);
  388. static const char * const csi_mclk_parents[] = { "pll-video", "pll-de",
  389. "osc24M" };
  390. static const u8 csi_mclk_table[] = { 0, 3, 5 };
  391. static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_mclk_clk, "csi-mclk",
  392. csi_mclk_parents, csi_mclk_table,
  393. 0x134, 0, 5, 8, 3, BIT(15), 0);
  394. static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
  395. 0x13c, 16, 3, BIT(31), CLK_SET_RATE_PARENT);
  396. static SUNXI_CCU_GATE(ac_dig_clk, "ac-dig", "pll-audio",
  397. 0x140, BIT(31), CLK_SET_RATE_PARENT);
  398. static SUNXI_CCU_GATE(ac_dig_4x_clk, "ac-dig-4x", "pll-audio-4x",
  399. 0x140, BIT(30), CLK_SET_RATE_PARENT);
  400. static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M",
  401. 0x144, BIT(31), 0);
  402. static const char * const mbus_parents[] = { "osc24M", "pll-periph-2x",
  403. "pll-ddr0", "pll-ddr1" };
  404. static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents,
  405. 0x15c, 0, 3, 24, 2, BIT(31), CLK_IS_CRITICAL);
  406. static const char * const dsi_sclk_parents[] = { "pll-video", "pll-video-2x" };
  407. static const u8 dsi_sclk_table[] = { 0, 2 };
  408. static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_sclk_clk, "dsi-sclk",
  409. dsi_sclk_parents, dsi_sclk_table,
  410. 0x168, 16, 4, 24, 2, BIT(31), 0);
  411. static const char * const dsi_dphy_parents[] = { "pll-video", "pll-periph" };
  412. static const u8 dsi_dphy_table[] = { 0, 2 };
  413. static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_dphy_clk, "dsi-dphy",
  414. dsi_dphy_parents, dsi_dphy_table,
  415. 0x168, 0, 4, 8, 2, BIT(15), 0);
  416. static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(drc_clk, "drc",
  417. de_parents, de_table,
  418. 0x180, 0, 4, 24, 3, BIT(31), 0);
  419. static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu",
  420. 0x1a0, 0, 3, BIT(31), CLK_SET_RATE_PARENT);
  421. static const char * const ats_parents[] = { "osc24M", "pll-periph" };
  422. static SUNXI_CCU_M_WITH_MUX_GATE(ats_clk, "ats", ats_parents,
  423. 0x1b0, 0, 3, 24, 2, BIT(31), 0);
  424. static struct ccu_common *sun8i_a33_ccu_clks[] = {
  425. &pll_cpux_clk.common,
  426. &pll_audio_base_clk.common,
  427. &pll_video_clk.common,
  428. &pll_ve_clk.common,
  429. &pll_ddr0_clk.common,
  430. &pll_periph_clk.common,
  431. &pll_gpu_clk.common,
  432. &pll_mipi_clk.common,
  433. &pll_hsic_clk.common,
  434. &pll_de_clk.common,
  435. &pll_ddr1_clk.common,
  436. &pll_ddr_clk.common,
  437. &cpux_clk.common,
  438. &axi_clk.common,
  439. &ahb1_clk.common,
  440. &apb1_clk.common,
  441. &apb2_clk.common,
  442. &bus_mipi_dsi_clk.common,
  443. &bus_ss_clk.common,
  444. &bus_dma_clk.common,
  445. &bus_mmc0_clk.common,
  446. &bus_mmc1_clk.common,
  447. &bus_mmc2_clk.common,
  448. &bus_nand_clk.common,
  449. &bus_dram_clk.common,
  450. &bus_hstimer_clk.common,
  451. &bus_spi0_clk.common,
  452. &bus_spi1_clk.common,
  453. &bus_otg_clk.common,
  454. &bus_ehci_clk.common,
  455. &bus_ohci_clk.common,
  456. &bus_ve_clk.common,
  457. &bus_lcd_clk.common,
  458. &bus_csi_clk.common,
  459. &bus_de_fe_clk.common,
  460. &bus_de_be_clk.common,
  461. &bus_gpu_clk.common,
  462. &bus_msgbox_clk.common,
  463. &bus_spinlock_clk.common,
  464. &bus_drc_clk.common,
  465. &bus_sat_clk.common,
  466. &bus_codec_clk.common,
  467. &bus_pio_clk.common,
  468. &bus_i2s0_clk.common,
  469. &bus_i2s1_clk.common,
  470. &bus_i2c0_clk.common,
  471. &bus_i2c1_clk.common,
  472. &bus_i2c2_clk.common,
  473. &bus_uart0_clk.common,
  474. &bus_uart1_clk.common,
  475. &bus_uart2_clk.common,
  476. &bus_uart3_clk.common,
  477. &bus_uart4_clk.common,
  478. &nand_clk.common,
  479. &mmc0_clk.common,
  480. &mmc0_sample_clk.common,
  481. &mmc0_output_clk.common,
  482. &mmc1_clk.common,
  483. &mmc1_sample_clk.common,
  484. &mmc1_output_clk.common,
  485. &mmc2_clk.common,
  486. &mmc2_sample_clk.common,
  487. &mmc2_output_clk.common,
  488. &ss_clk.common,
  489. &spi0_clk.common,
  490. &spi1_clk.common,
  491. &i2s0_clk.common,
  492. &i2s1_clk.common,
  493. &usb_phy0_clk.common,
  494. &usb_phy1_clk.common,
  495. &usb_hsic_clk.common,
  496. &usb_hsic_12M_clk.common,
  497. &usb_ohci_clk.common,
  498. &dram_clk.common,
  499. &dram_ve_clk.common,
  500. &dram_csi_clk.common,
  501. &dram_drc_clk.common,
  502. &dram_de_fe_clk.common,
  503. &dram_de_be_clk.common,
  504. &de_be_clk.common,
  505. &de_fe_clk.common,
  506. &lcd_ch0_clk.common,
  507. &lcd_ch1_clk.common,
  508. &csi_sclk_clk.common,
  509. &csi_mclk_clk.common,
  510. &ve_clk.common,
  511. &ac_dig_clk.common,
  512. &ac_dig_4x_clk.common,
  513. &avs_clk.common,
  514. &mbus_clk.common,
  515. &dsi_sclk_clk.common,
  516. &dsi_dphy_clk.common,
  517. &drc_clk.common,
  518. &gpu_clk.common,
  519. &ats_clk.common,
  520. };
  521. static const struct clk_hw *clk_parent_pll_audio[] = {
  522. &pll_audio_base_clk.common.hw
  523. };
  524. /* We hardcode the divider to 1 for now */
  525. static CLK_FIXED_FACTOR_HWS(pll_audio_clk, "pll-audio",
  526. clk_parent_pll_audio,
  527. 1, 1, CLK_SET_RATE_PARENT);
  528. static CLK_FIXED_FACTOR_HWS(pll_audio_2x_clk, "pll-audio-2x",
  529. clk_parent_pll_audio,
  530. 2, 1, CLK_SET_RATE_PARENT);
  531. static CLK_FIXED_FACTOR_HWS(pll_audio_4x_clk, "pll-audio-4x",
  532. clk_parent_pll_audio,
  533. 1, 1, CLK_SET_RATE_PARENT);
  534. static CLK_FIXED_FACTOR_HWS(pll_audio_8x_clk, "pll-audio-8x",
  535. clk_parent_pll_audio,
  536. 1, 2, CLK_SET_RATE_PARENT);
  537. static CLK_FIXED_FACTOR_HW(pll_periph_2x_clk, "pll-periph-2x",
  538. &pll_periph_clk.common.hw,
  539. 1, 2, 0);
  540. static CLK_FIXED_FACTOR_HW(pll_video_2x_clk, "pll-video-2x",
  541. &pll_video_clk.common.hw,
  542. 1, 2, 0);
  543. static struct clk_hw_onecell_data sun8i_a33_hw_clks = {
  544. .hws = {
  545. [CLK_PLL_CPUX] = &pll_cpux_clk.common.hw,
  546. [CLK_PLL_AUDIO_BASE] = &pll_audio_base_clk.common.hw,
  547. [CLK_PLL_AUDIO] = &pll_audio_clk.hw,
  548. [CLK_PLL_AUDIO_2X] = &pll_audio_2x_clk.hw,
  549. [CLK_PLL_AUDIO_4X] = &pll_audio_4x_clk.hw,
  550. [CLK_PLL_AUDIO_8X] = &pll_audio_8x_clk.hw,
  551. [CLK_PLL_VIDEO] = &pll_video_clk.common.hw,
  552. [CLK_PLL_VIDEO_2X] = &pll_video_2x_clk.hw,
  553. [CLK_PLL_VE] = &pll_ve_clk.common.hw,
  554. [CLK_PLL_DDR0] = &pll_ddr0_clk.common.hw,
  555. [CLK_PLL_PERIPH] = &pll_periph_clk.common.hw,
  556. [CLK_PLL_PERIPH_2X] = &pll_periph_2x_clk.hw,
  557. [CLK_PLL_GPU] = &pll_gpu_clk.common.hw,
  558. [CLK_PLL_MIPI] = &pll_mipi_clk.common.hw,
  559. [CLK_PLL_HSIC] = &pll_hsic_clk.common.hw,
  560. [CLK_PLL_DE] = &pll_de_clk.common.hw,
  561. [CLK_PLL_DDR1] = &pll_ddr1_clk.common.hw,
  562. [CLK_PLL_DDR] = &pll_ddr_clk.common.hw,
  563. [CLK_CPUX] = &cpux_clk.common.hw,
  564. [CLK_AXI] = &axi_clk.common.hw,
  565. [CLK_AHB1] = &ahb1_clk.common.hw,
  566. [CLK_APB1] = &apb1_clk.common.hw,
  567. [CLK_APB2] = &apb2_clk.common.hw,
  568. [CLK_BUS_MIPI_DSI] = &bus_mipi_dsi_clk.common.hw,
  569. [CLK_BUS_SS] = &bus_ss_clk.common.hw,
  570. [CLK_BUS_DMA] = &bus_dma_clk.common.hw,
  571. [CLK_BUS_MMC0] = &bus_mmc0_clk.common.hw,
  572. [CLK_BUS_MMC1] = &bus_mmc1_clk.common.hw,
  573. [CLK_BUS_MMC2] = &bus_mmc2_clk.common.hw,
  574. [CLK_BUS_NAND] = &bus_nand_clk.common.hw,
  575. [CLK_BUS_DRAM] = &bus_dram_clk.common.hw,
  576. [CLK_BUS_HSTIMER] = &bus_hstimer_clk.common.hw,
  577. [CLK_BUS_SPI0] = &bus_spi0_clk.common.hw,
  578. [CLK_BUS_SPI1] = &bus_spi1_clk.common.hw,
  579. [CLK_BUS_OTG] = &bus_otg_clk.common.hw,
  580. [CLK_BUS_EHCI] = &bus_ehci_clk.common.hw,
  581. [CLK_BUS_OHCI] = &bus_ohci_clk.common.hw,
  582. [CLK_BUS_VE] = &bus_ve_clk.common.hw,
  583. [CLK_BUS_LCD] = &bus_lcd_clk.common.hw,
  584. [CLK_BUS_CSI] = &bus_csi_clk.common.hw,
  585. [CLK_BUS_DE_BE] = &bus_de_be_clk.common.hw,
  586. [CLK_BUS_DE_FE] = &bus_de_fe_clk.common.hw,
  587. [CLK_BUS_GPU] = &bus_gpu_clk.common.hw,
  588. [CLK_BUS_MSGBOX] = &bus_msgbox_clk.common.hw,
  589. [CLK_BUS_SPINLOCK] = &bus_spinlock_clk.common.hw,
  590. [CLK_BUS_DRC] = &bus_drc_clk.common.hw,
  591. [CLK_BUS_SAT] = &bus_sat_clk.common.hw,
  592. [CLK_BUS_CODEC] = &bus_codec_clk.common.hw,
  593. [CLK_BUS_PIO] = &bus_pio_clk.common.hw,
  594. [CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw,
  595. [CLK_BUS_I2S1] = &bus_i2s1_clk.common.hw,
  596. [CLK_BUS_I2C0] = &bus_i2c0_clk.common.hw,
  597. [CLK_BUS_I2C1] = &bus_i2c1_clk.common.hw,
  598. [CLK_BUS_I2C2] = &bus_i2c2_clk.common.hw,
  599. [CLK_BUS_UART0] = &bus_uart0_clk.common.hw,
  600. [CLK_BUS_UART1] = &bus_uart1_clk.common.hw,
  601. [CLK_BUS_UART2] = &bus_uart2_clk.common.hw,
  602. [CLK_BUS_UART3] = &bus_uart3_clk.common.hw,
  603. [CLK_BUS_UART4] = &bus_uart4_clk.common.hw,
  604. [CLK_NAND] = &nand_clk.common.hw,
  605. [CLK_MMC0] = &mmc0_clk.common.hw,
  606. [CLK_MMC0_SAMPLE] = &mmc0_sample_clk.common.hw,
  607. [CLK_MMC0_OUTPUT] = &mmc0_output_clk.common.hw,
  608. [CLK_MMC1] = &mmc1_clk.common.hw,
  609. [CLK_MMC1_SAMPLE] = &mmc1_sample_clk.common.hw,
  610. [CLK_MMC1_OUTPUT] = &mmc1_output_clk.common.hw,
  611. [CLK_MMC2] = &mmc2_clk.common.hw,
  612. [CLK_MMC2_SAMPLE] = &mmc2_sample_clk.common.hw,
  613. [CLK_MMC2_OUTPUT] = &mmc2_output_clk.common.hw,
  614. [CLK_SS] = &ss_clk.common.hw,
  615. [CLK_SPI0] = &spi0_clk.common.hw,
  616. [CLK_SPI1] = &spi1_clk.common.hw,
  617. [CLK_I2S0] = &i2s0_clk.common.hw,
  618. [CLK_I2S1] = &i2s1_clk.common.hw,
  619. [CLK_USB_PHY0] = &usb_phy0_clk.common.hw,
  620. [CLK_USB_PHY1] = &usb_phy1_clk.common.hw,
  621. [CLK_USB_HSIC] = &usb_hsic_clk.common.hw,
  622. [CLK_USB_HSIC_12M] = &usb_hsic_12M_clk.common.hw,
  623. [CLK_USB_OHCI] = &usb_ohci_clk.common.hw,
  624. [CLK_DRAM] = &dram_clk.common.hw,
  625. [CLK_DRAM_VE] = &dram_ve_clk.common.hw,
  626. [CLK_DRAM_CSI] = &dram_csi_clk.common.hw,
  627. [CLK_DRAM_DRC] = &dram_drc_clk.common.hw,
  628. [CLK_DRAM_DE_FE] = &dram_de_fe_clk.common.hw,
  629. [CLK_DRAM_DE_BE] = &dram_de_be_clk.common.hw,
  630. [CLK_DE_BE] = &de_be_clk.common.hw,
  631. [CLK_DE_FE] = &de_fe_clk.common.hw,
  632. [CLK_LCD_CH0] = &lcd_ch0_clk.common.hw,
  633. [CLK_LCD_CH1] = &lcd_ch1_clk.common.hw,
  634. [CLK_CSI_SCLK] = &csi_sclk_clk.common.hw,
  635. [CLK_CSI_MCLK] = &csi_mclk_clk.common.hw,
  636. [CLK_VE] = &ve_clk.common.hw,
  637. [CLK_AC_DIG] = &ac_dig_clk.common.hw,
  638. [CLK_AC_DIG_4X] = &ac_dig_4x_clk.common.hw,
  639. [CLK_AVS] = &avs_clk.common.hw,
  640. [CLK_MBUS] = &mbus_clk.common.hw,
  641. [CLK_DSI_SCLK] = &dsi_sclk_clk.common.hw,
  642. [CLK_DSI_DPHY] = &dsi_dphy_clk.common.hw,
  643. [CLK_DRC] = &drc_clk.common.hw,
  644. [CLK_GPU] = &gpu_clk.common.hw,
  645. [CLK_ATS] = &ats_clk.common.hw,
  646. },
  647. .num = CLK_NUMBER,
  648. };
  649. static struct ccu_reset_map sun8i_a33_ccu_resets[] = {
  650. [RST_USB_PHY0] = { 0x0cc, BIT(0) },
  651. [RST_USB_PHY1] = { 0x0cc, BIT(1) },
  652. [RST_USB_HSIC] = { 0x0cc, BIT(2) },
  653. [RST_MBUS] = { 0x0fc, BIT(31) },
  654. [RST_BUS_MIPI_DSI] = { 0x2c0, BIT(1) },
  655. [RST_BUS_SS] = { 0x2c0, BIT(5) },
  656. [RST_BUS_DMA] = { 0x2c0, BIT(6) },
  657. [RST_BUS_MMC0] = { 0x2c0, BIT(8) },
  658. [RST_BUS_MMC1] = { 0x2c0, BIT(9) },
  659. [RST_BUS_MMC2] = { 0x2c0, BIT(10) },
  660. [RST_BUS_NAND] = { 0x2c0, BIT(13) },
  661. [RST_BUS_DRAM] = { 0x2c0, BIT(14) },
  662. [RST_BUS_HSTIMER] = { 0x2c0, BIT(19) },
  663. [RST_BUS_SPI0] = { 0x2c0, BIT(20) },
  664. [RST_BUS_SPI1] = { 0x2c0, BIT(21) },
  665. [RST_BUS_OTG] = { 0x2c0, BIT(24) },
  666. [RST_BUS_EHCI] = { 0x2c0, BIT(26) },
  667. [RST_BUS_OHCI] = { 0x2c0, BIT(29) },
  668. [RST_BUS_VE] = { 0x2c4, BIT(0) },
  669. [RST_BUS_LCD] = { 0x2c4, BIT(4) },
  670. [RST_BUS_CSI] = { 0x2c4, BIT(8) },
  671. [RST_BUS_DE_BE] = { 0x2c4, BIT(12) },
  672. [RST_BUS_DE_FE] = { 0x2c4, BIT(14) },
  673. [RST_BUS_GPU] = { 0x2c4, BIT(20) },
  674. [RST_BUS_MSGBOX] = { 0x2c4, BIT(21) },
  675. [RST_BUS_SPINLOCK] = { 0x2c4, BIT(22) },
  676. [RST_BUS_DRC] = { 0x2c4, BIT(25) },
  677. [RST_BUS_SAT] = { 0x2c4, BIT(26) },
  678. [RST_BUS_LVDS] = { 0x2c8, BIT(0) },
  679. [RST_BUS_CODEC] = { 0x2d0, BIT(0) },
  680. [RST_BUS_I2S0] = { 0x2d0, BIT(12) },
  681. [RST_BUS_I2S1] = { 0x2d0, BIT(13) },
  682. [RST_BUS_I2C0] = { 0x2d8, BIT(0) },
  683. [RST_BUS_I2C1] = { 0x2d8, BIT(1) },
  684. [RST_BUS_I2C2] = { 0x2d8, BIT(2) },
  685. [RST_BUS_UART0] = { 0x2d8, BIT(16) },
  686. [RST_BUS_UART1] = { 0x2d8, BIT(17) },
  687. [RST_BUS_UART2] = { 0x2d8, BIT(18) },
  688. [RST_BUS_UART3] = { 0x2d8, BIT(19) },
  689. [RST_BUS_UART4] = { 0x2d8, BIT(20) },
  690. };
  691. static const struct sunxi_ccu_desc sun8i_a33_ccu_desc = {
  692. .ccu_clks = sun8i_a33_ccu_clks,
  693. .num_ccu_clks = ARRAY_SIZE(sun8i_a33_ccu_clks),
  694. .hw_clks = &sun8i_a33_hw_clks,
  695. .resets = sun8i_a33_ccu_resets,
  696. .num_resets = ARRAY_SIZE(sun8i_a33_ccu_resets),
  697. };
  698. static struct ccu_pll_nb sun8i_a33_pll_cpu_nb = {
  699. .common = &pll_cpux_clk.common,
  700. /* copy from pll_cpux_clk */
  701. .enable = BIT(31),
  702. .lock = BIT(28),
  703. };
  704. static struct ccu_mux_nb sun8i_a33_cpu_nb = {
  705. .common = &cpux_clk.common,
  706. .cm = &cpux_clk.mux,
  707. .delay_us = 1, /* > 8 clock cycles at 24 MHz */
  708. .bypass_index = 1, /* index of 24 MHz oscillator */
  709. };
  710. static int sun8i_a33_ccu_probe(struct platform_device *pdev)
  711. {
  712. void __iomem *reg;
  713. int ret;
  714. u32 val;
  715. reg = devm_platform_ioremap_resource(pdev, 0);
  716. if (IS_ERR(reg))
  717. return PTR_ERR(reg);
  718. /* Force the PLL-Audio-1x divider to 1 */
  719. val = readl(reg + SUN8I_A33_PLL_AUDIO_REG);
  720. val &= ~GENMASK(19, 16);
  721. writel(val | (0 << 16), reg + SUN8I_A33_PLL_AUDIO_REG);
  722. /* Force PLL-MIPI to MIPI mode */
  723. val = readl(reg + SUN8I_A33_PLL_MIPI_REG);
  724. val &= ~BIT(16);
  725. writel(val, reg + SUN8I_A33_PLL_MIPI_REG);
  726. ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun8i_a33_ccu_desc);
  727. if (ret)
  728. return ret;
  729. /* Gate then ungate PLL CPU after any rate changes */
  730. ccu_pll_notifier_register(&sun8i_a33_pll_cpu_nb);
  731. /* Reparent CPU during PLL CPU rate changes */
  732. ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk,
  733. &sun8i_a33_cpu_nb);
  734. return 0;
  735. }
  736. static const struct of_device_id sun8i_a33_ccu_ids[] = {
  737. { .compatible = "allwinner,sun8i-a33-ccu" },
  738. { }
  739. };
  740. static struct platform_driver sun8i_a33_ccu_driver = {
  741. .probe = sun8i_a33_ccu_probe,
  742. .driver = {
  743. .name = "sun8i-a33-ccu",
  744. .suppress_bind_attrs = true,
  745. .of_match_table = sun8i_a33_ccu_ids,
  746. },
  747. };
  748. module_platform_driver(sun8i_a33_ccu_driver);
  749. MODULE_IMPORT_NS(SUNXI_CCU);
  750. MODULE_LICENSE("GPL");