dsi_pll_5nm.c 77 KB

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  1. // SPDX-License-Identifier: GPL-2.0-only
  2. /*
  3. * Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
  4. */
  5. #define pr_fmt(fmt) "%s: " fmt, __func__
  6. #include <linux/kernel.h>
  7. #include <linux/err.h>
  8. #include <linux/iopoll.h>
  9. #include <linux/delay.h>
  10. #include <linux/of.h>
  11. #include <linux/platform_device.h>
  12. #include "dsi_pll.h"
  13. #include <dt-bindings/clock/mdss-5nm-pll-clk.h>
  14. #define VCO_DELAY_USEC 1
  15. #define MHZ_250 250000000UL
  16. #define MHZ_500 500000000UL
  17. #define MHZ_1000 1000000000UL
  18. #define MHZ_1100 1100000000UL
  19. #define MHZ_1900 1900000000UL
  20. #define MHZ_3000 3000000000UL
  21. /* Register Offsets from PLL base address */
  22. #define PLL_ANALOG_CONTROLS_ONE 0x0000
  23. #define PLL_ANALOG_CONTROLS_TWO 0x0004
  24. #define PLL_INT_LOOP_SETTINGS 0x0008
  25. #define PLL_INT_LOOP_SETTINGS_TWO 0x000C
  26. #define PLL_ANALOG_CONTROLS_THREE 0x0010
  27. #define PLL_ANALOG_CONTROLS_FOUR 0x0014
  28. #define PLL_ANALOG_CONTROLS_FIVE 0x0018
  29. #define PLL_INT_LOOP_CONTROLS 0x001C
  30. #define PLL_DSM_DIVIDER 0x0020
  31. #define PLL_FEEDBACK_DIVIDER 0x0024
  32. #define PLL_SYSTEM_MUXES 0x0028
  33. #define PLL_FREQ_UPDATE_CONTROL_OVERRIDES 0x002C
  34. #define PLL_CMODE 0x0030
  35. #define PLL_PSM_CTRL 0x0034
  36. #define PLL_RSM_CTRL 0x0038
  37. #define PLL_VCO_TUNE_MAP 0x003C
  38. #define PLL_PLL_CNTRL 0x0040
  39. #define PLL_CALIBRATION_SETTINGS 0x0044
  40. #define PLL_BAND_SEL_CAL_TIMER_LOW 0x0048
  41. #define PLL_BAND_SEL_CAL_TIMER_HIGH 0x004C
  42. #define PLL_BAND_SEL_CAL_SETTINGS 0x0050
  43. #define PLL_BAND_SEL_MIN 0x0054
  44. #define PLL_BAND_SEL_MAX 0x0058
  45. #define PLL_BAND_SEL_PFILT 0x005C
  46. #define PLL_BAND_SEL_IFILT 0x0060
  47. #define PLL_BAND_SEL_CAL_SETTINGS_TWO 0x0064
  48. #define PLL_BAND_SEL_CAL_SETTINGS_THREE 0x0068
  49. #define PLL_BAND_SEL_CAL_SETTINGS_FOUR 0x006C
  50. #define PLL_BAND_SEL_ICODE_HIGH 0x0070
  51. #define PLL_BAND_SEL_ICODE_LOW 0x0074
  52. #define PLL_FREQ_DETECT_SETTINGS_ONE 0x0078
  53. #define PLL_FREQ_DETECT_THRESH 0x007C
  54. #define PLL_FREQ_DET_REFCLK_HIGH 0x0080
  55. #define PLL_FREQ_DET_REFCLK_LOW 0x0084
  56. #define PLL_FREQ_DET_PLLCLK_HIGH 0x0088
  57. #define PLL_FREQ_DET_PLLCLK_LOW 0x008C
  58. #define PLL_PFILT 0x0090
  59. #define PLL_IFILT 0x0094
  60. #define PLL_PLL_GAIN 0x0098
  61. #define PLL_ICODE_LOW 0x009C
  62. #define PLL_ICODE_HIGH 0x00A0
  63. #define PLL_LOCKDET 0x00A4
  64. #define PLL_OUTDIV 0x00A8
  65. #define PLL_FASTLOCK_CONTROL 0x00AC
  66. #define PLL_PASS_OUT_OVERRIDE_ONE 0x00B0
  67. #define PLL_PASS_OUT_OVERRIDE_TWO 0x00B4
  68. #define PLL_CORE_OVERRIDE 0x00B8
  69. #define PLL_CORE_INPUT_OVERRIDE 0x00BC
  70. #define PLL_RATE_CHANGE 0x00C0
  71. #define PLL_PLL_DIGITAL_TIMERS 0x00C4
  72. #define PLL_PLL_DIGITAL_TIMERS_TWO 0x00C8
  73. #define PLL_DECIMAL_DIV_START 0x00CC
  74. #define PLL_FRAC_DIV_START_LOW 0x00D0
  75. #define PLL_FRAC_DIV_START_MID 0x00D4
  76. #define PLL_FRAC_DIV_START_HIGH 0x00D8
  77. #define PLL_DEC_FRAC_MUXES 0x00DC
  78. #define PLL_DECIMAL_DIV_START_1 0x00E0
  79. #define PLL_FRAC_DIV_START_LOW_1 0x00E4
  80. #define PLL_FRAC_DIV_START_MID_1 0x00E8
  81. #define PLL_FRAC_DIV_START_HIGH_1 0x00EC
  82. #define PLL_DECIMAL_DIV_START_2 0x00F0
  83. #define PLL_FRAC_DIV_START_LOW_2 0x00F4
  84. #define PLL_FRAC_DIV_START_MID_2 0x00F8
  85. #define PLL_FRAC_DIV_START_HIGH_2 0x00FC
  86. #define PLL_MASH_CONTROL 0x0100
  87. #define PLL_SSC_STEPSIZE_LOW 0x0104
  88. #define PLL_SSC_STEPSIZE_HIGH 0x0108
  89. #define PLL_SSC_DIV_PER_LOW 0x010C
  90. #define PLL_SSC_DIV_PER_HIGH 0x0110
  91. #define PLL_SSC_ADJPER_LOW 0x0114
  92. #define PLL_SSC_ADJPER_HIGH 0x0118
  93. #define PLL_SSC_MUX_CONTROL 0x011C
  94. #define PLL_SSC_STEPSIZE_LOW_1 0x0120
  95. #define PLL_SSC_STEPSIZE_HIGH_1 0x0124
  96. #define PLL_SSC_DIV_PER_LOW_1 0x0128
  97. #define PLL_SSC_DIV_PER_HIGH_1 0x012C
  98. #define PLL_SSC_ADJPER_LOW_1 0x0130
  99. #define PLL_SSC_ADJPER_HIGH_1 0x0134
  100. #define PLL_SSC_STEPSIZE_LOW_2 0x0138
  101. #define PLL_SSC_STEPSIZE_HIGH_2 0x013C
  102. #define PLL_SSC_DIV_PER_LOW_2 0x0140
  103. #define PLL_SSC_DIV_PER_HIGH_2 0x0144
  104. #define PLL_SSC_ADJPER_LOW_2 0x0148
  105. #define PLL_SSC_ADJPER_HIGH_2 0x014C
  106. #define PLL_SSC_CONTROL 0x0150
  107. #define PLL_PLL_OUTDIV_RATE 0x0154
  108. #define PLL_PLL_LOCKDET_RATE_1 0x0158
  109. #define PLL_PLL_LOCKDET_RATE_2 0x015C
  110. #define PLL_PLL_PROP_GAIN_RATE_1 0x0160
  111. #define PLL_PLL_PROP_GAIN_RATE_2 0x0164
  112. #define PLL_PLL_BAND_SEL_RATE_1 0x0168
  113. #define PLL_PLL_BAND_SEL_RATE_2 0x016C
  114. #define PLL_PLL_INT_GAIN_IFILT_BAND_1 0x0170
  115. #define PLL_PLL_INT_GAIN_IFILT_BAND_2 0x0174
  116. #define PLL_PLL_FL_INT_GAIN_PFILT_BAND_1 0x0178
  117. #define PLL_PLL_FL_INT_GAIN_PFILT_BAND_2 0x017C
  118. #define PLL_PLL_FASTLOCK_EN_BAND 0x0180
  119. #define PLL_FREQ_TUNE_ACCUM_INIT_MID 0x0184
  120. #define PLL_FREQ_TUNE_ACCUM_INIT_HIGH 0x0188
  121. #define PLL_FREQ_TUNE_ACCUM_INIT_MUX 0x018C
  122. #define PLL_PLL_LOCK_OVERRIDE 0x0190
  123. #define PLL_PLL_LOCK_DELAY 0x0194
  124. #define PLL_PLL_LOCK_MIN_DELAY 0x0198
  125. #define PLL_CLOCK_INVERTERS 0x019C
  126. #define PLL_SPARE_AND_JPC_OVERRIDES 0x01A0
  127. #define PLL_BIAS_CONTROL_1 0x01A4
  128. #define PLL_BIAS_CONTROL_2 0x01A8
  129. #define PLL_ALOG_OBSV_BUS_CTRL_1 0x01AC
  130. #define PLL_COMMON_STATUS_ONE 0x01B0
  131. #define PLL_COMMON_STATUS_TWO 0x01B4
  132. #define PLL_BAND_SEL_CAL 0x01B8
  133. #define PLL_ICODE_ACCUM_STATUS_LOW 0x01BC
  134. #define PLL_ICODE_ACCUM_STATUS_HIGH 0x01C0
  135. #define PLL_FD_OUT_LOW 0x01C4
  136. #define PLL_FD_OUT_HIGH 0x01C8
  137. #define PLL_ALOG_OBSV_BUS_STATUS_1 0x01CC
  138. #define PLL_PLL_MISC_CONFIG 0x01D0
  139. #define PLL_FLL_CONFIG 0x01D4
  140. #define PLL_FLL_FREQ_ACQ_TIME 0x01D8
  141. #define PLL_FLL_CODE0 0x01DC
  142. #define PLL_FLL_CODE1 0x01E0
  143. #define PLL_FLL_GAIN0 0x01E4
  144. #define PLL_FLL_GAIN1 0x01E8
  145. #define PLL_SW_RESET 0x01EC
  146. #define PLL_FAST_PWRUP 0x01F0
  147. #define PLL_LOCKTIME0 0x01F4
  148. #define PLL_LOCKTIME1 0x01F8
  149. #define PLL_DEBUG_BUS_SEL 0x01FC
  150. #define PLL_DEBUG_BUS0 0x0200
  151. #define PLL_DEBUG_BUS1 0x0204
  152. #define PLL_DEBUG_BUS2 0x0208
  153. #define PLL_DEBUG_BUS3 0x020C
  154. #define PLL_ANALOG_FLL_CONTROL_OVERRIDES 0x0210
  155. #define PLL_VCO_CONFIG 0x0214
  156. #define PLL_VCO_CAL_CODE1_MODE0_STATUS 0x0218
  157. #define PLL_VCO_CAL_CODE1_MODE1_STATUS 0x021C
  158. #define PLL_RESET_SM_STATUS 0x0220
  159. #define PLL_TDC_OFFSET 0x0224
  160. #define PLL_PS3_PWRDOWN_CONTROLS 0x0228
  161. #define PLL_PS4_PWRDOWN_CONTROLS 0x022C
  162. #define PLL_PLL_RST_CONTROLS 0x0230
  163. #define PLL_GEAR_BAND_SELECT_CONTROLS 0x0234
  164. #define PLL_PSM_CLK_CONTROLS 0x0238
  165. #define PLL_SYSTEM_MUXES_2 0x023C
  166. #define PLL_VCO_CONFIG_1 0x0240
  167. #define PLL_VCO_CONFIG_2 0x0244
  168. #define PLL_CLOCK_INVERTERS_1 0x0248
  169. #define PLL_CLOCK_INVERTERS_2 0x024C
  170. #define PLL_CMODE_1 0x0250
  171. #define PLL_CMODE_2 0x0254
  172. #define PLL_ANALOG_CONTROLS_FIVE_1 0x0258
  173. #define PLL_ANALOG_CONTROLS_FIVE_2 0x025C
  174. #define PLL_PERF_OPTIMIZE 0x0260
  175. /* Register Offsets from PHY base address */
  176. #define PHY_CMN_CLK_CFG0 0x010
  177. #define PHY_CMN_CLK_CFG1 0x014
  178. #define PHY_CMN_GLBL_CTRL 0x018
  179. #define PHY_CMN_RBUF_CTRL 0x01C
  180. #define PHY_CMN_CTRL_0 0x024
  181. #define PHY_CMN_CTRL_2 0x02C
  182. #define PHY_CMN_CTRL_3 0x030
  183. #define PHY_CMN_PLL_CNTRL 0x03C
  184. #define PHY_CMN_GLBL_DIGTOP_SPARE4 0x128
  185. /* Bit definition of SSC control registers */
  186. #define SSC_CENTER BIT(0)
  187. #define SSC_EN BIT(1)
  188. #define SSC_FREQ_UPDATE BIT(2)
  189. #define SSC_FREQ_UPDATE_MUX BIT(3)
  190. #define SSC_UPDATE_SSC BIT(4)
  191. #define SSC_UPDATE_SSC_MUX BIT(5)
  192. #define SSC_START BIT(6)
  193. #define SSC_START_MUX BIT(7)
  194. /* Dynamic Refresh Control Registers */
  195. #define DSI_DYNAMIC_REFRESH_PLL_CTRL0 (0x014)
  196. #define DSI_DYNAMIC_REFRESH_PLL_CTRL1 (0x018)
  197. #define DSI_DYNAMIC_REFRESH_PLL_CTRL2 (0x01C)
  198. #define DSI_DYNAMIC_REFRESH_PLL_CTRL3 (0x020)
  199. #define DSI_DYNAMIC_REFRESH_PLL_CTRL4 (0x024)
  200. #define DSI_DYNAMIC_REFRESH_PLL_CTRL5 (0x028)
  201. #define DSI_DYNAMIC_REFRESH_PLL_CTRL6 (0x02C)
  202. #define DSI_DYNAMIC_REFRESH_PLL_CTRL7 (0x030)
  203. #define DSI_DYNAMIC_REFRESH_PLL_CTRL8 (0x034)
  204. #define DSI_DYNAMIC_REFRESH_PLL_CTRL9 (0x038)
  205. #define DSI_DYNAMIC_REFRESH_PLL_CTRL10 (0x03C)
  206. #define DSI_DYNAMIC_REFRESH_PLL_CTRL11 (0x040)
  207. #define DSI_DYNAMIC_REFRESH_PLL_CTRL12 (0x044)
  208. #define DSI_DYNAMIC_REFRESH_PLL_CTRL13 (0x048)
  209. #define DSI_DYNAMIC_REFRESH_PLL_CTRL14 (0x04C)
  210. #define DSI_DYNAMIC_REFRESH_PLL_CTRL15 (0x050)
  211. #define DSI_DYNAMIC_REFRESH_PLL_CTRL16 (0x054)
  212. #define DSI_DYNAMIC_REFRESH_PLL_CTRL17 (0x058)
  213. #define DSI_DYNAMIC_REFRESH_PLL_CTRL18 (0x05C)
  214. #define DSI_DYNAMIC_REFRESH_PLL_CTRL19 (0x060)
  215. #define DSI_DYNAMIC_REFRESH_PLL_CTRL20 (0x064)
  216. #define DSI_DYNAMIC_REFRESH_PLL_CTRL21 (0x068)
  217. #define DSI_DYNAMIC_REFRESH_PLL_CTRL22 (0x06C)
  218. #define DSI_DYNAMIC_REFRESH_PLL_CTRL23 (0x070)
  219. #define DSI_DYNAMIC_REFRESH_PLL_CTRL24 (0x074)
  220. #define DSI_DYNAMIC_REFRESH_PLL_CTRL25 (0x078)
  221. #define DSI_DYNAMIC_REFRESH_PLL_CTRL26 (0x07C)
  222. #define DSI_DYNAMIC_REFRESH_PLL_CTRL27 (0x080)
  223. #define DSI_DYNAMIC_REFRESH_PLL_CTRL28 (0x084)
  224. #define DSI_DYNAMIC_REFRESH_PLL_CTRL29 (0x088)
  225. #define DSI_DYNAMIC_REFRESH_PLL_CTRL30 (0x08C)
  226. #define DSI_DYNAMIC_REFRESH_PLL_CTRL31 (0x090)
  227. #define DSI_DYNAMIC_REFRESH_PLL_UPPER_ADDR (0x094)
  228. #define DSI_DYNAMIC_REFRESH_PLL_UPPER_ADDR2 (0x098)
  229. #define DSI_PHY_TO_PLL_OFFSET (0x500)
  230. enum {
  231. DSI_PLL_0,
  232. DSI_PLL_1,
  233. DSI_PLL_MAX
  234. };
  235. struct dsi_pll_regs {
  236. u32 pll_prop_gain_rate;
  237. u32 pll_lockdet_rate;
  238. u32 decimal_div_start;
  239. u32 frac_div_start_low;
  240. u32 frac_div_start_mid;
  241. u32 frac_div_start_high;
  242. u32 pll_clock_inverters;
  243. u32 ssc_stepsize_low;
  244. u32 ssc_stepsize_high;
  245. u32 ssc_div_per_low;
  246. u32 ssc_div_per_high;
  247. u32 ssc_adjper_low;
  248. u32 ssc_adjper_high;
  249. u32 ssc_control;
  250. };
  251. struct dsi_pll_config {
  252. u32 ref_freq;
  253. bool div_override;
  254. u32 output_div;
  255. bool ignore_frac;
  256. bool disable_prescaler;
  257. bool enable_ssc;
  258. bool ssc_center;
  259. u32 dec_bits;
  260. u32 frac_bits;
  261. u32 lock_timer;
  262. u32 ssc_freq;
  263. u32 ssc_offset;
  264. u32 ssc_adj_per;
  265. u32 thresh_cycles;
  266. u32 refclk_cycles;
  267. };
  268. struct dsi_pll_5nm {
  269. struct dsi_pll_resource *rsc;
  270. struct dsi_pll_config pll_configuration;
  271. struct dsi_pll_regs reg_setup;
  272. bool cphy_enabled;
  273. };
  274. static inline bool dsi_pll_5nm_is_hw_revision(
  275. struct dsi_pll_resource *rsc)
  276. {
  277. return (rsc->pll_revision == DSI_PLL_5NM) ?
  278. true : false;
  279. }
  280. static inline int pll_reg_read(void *context, unsigned int reg,
  281. unsigned int *val)
  282. {
  283. int rc = 0;
  284. u32 data;
  285. struct dsi_pll_resource *rsc = context;
  286. data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CTRL_0);
  287. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CTRL_0, data | BIT(5));
  288. ndelay(250);
  289. *val = DSI_PLL_REG_R(rsc->pll_base, reg);
  290. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CTRL_0, data);
  291. return rc;
  292. }
  293. static inline int pll_reg_write(void *context, unsigned int reg,
  294. unsigned int val)
  295. {
  296. int rc = 0;
  297. struct dsi_pll_resource *rsc = context;
  298. DSI_PLL_REG_W(rsc->pll_base, reg, val);
  299. return rc;
  300. }
  301. static inline int phy_reg_read(void *context, unsigned int reg,
  302. unsigned int *val)
  303. {
  304. int rc = 0;
  305. struct dsi_pll_resource *rsc = context;
  306. *val = DSI_PLL_REG_R(rsc->phy_base, reg);
  307. return rc;
  308. }
  309. static inline int phy_reg_write(void *context, unsigned int reg,
  310. unsigned int val)
  311. {
  312. int rc = 0;
  313. struct dsi_pll_resource *rsc = context;
  314. DSI_PLL_REG_W(rsc->phy_base, reg, val);
  315. return rc;
  316. }
  317. static inline int phy_reg_update_bits_sub(struct dsi_pll_resource *rsc,
  318. unsigned int reg, unsigned int mask, unsigned int val)
  319. {
  320. u32 reg_val;
  321. reg_val = DSI_PLL_REG_R(rsc->phy_base, reg);
  322. reg_val &= ~mask;
  323. reg_val |= (val & mask);
  324. DSI_PLL_REG_W(rsc->phy_base, reg, reg_val);
  325. return 0;
  326. }
  327. static inline int phy_reg_update_bits(void *context, unsigned int reg,
  328. unsigned int mask, unsigned int val)
  329. {
  330. int rc = 0;
  331. struct dsi_pll_resource *rsc = context;
  332. rc = phy_reg_update_bits_sub(rsc, reg, mask, val);
  333. if (!rc && rsc->slave)
  334. rc = phy_reg_update_bits_sub(rsc->slave, reg, mask, val);
  335. return rc;
  336. }
  337. static inline int pclk_mux_read_sel(void *context, unsigned int reg,
  338. unsigned int *val)
  339. {
  340. int rc = 0;
  341. struct dsi_pll_resource *rsc = context;
  342. /* Return cached cfg1 as its updated with cached cfg1 in pll_enable */
  343. if (!rsc->handoff_resources) {
  344. *val = (rsc->cached_cfg1) & 0x3;
  345. return rc;
  346. }
  347. *val = (DSI_PLL_REG_R(rsc->phy_base, reg) & 0x3);
  348. return rc;
  349. }
  350. static inline int pclk_mux_write_sel_sub(struct dsi_pll_resource *rsc,
  351. unsigned int reg, unsigned int val)
  352. {
  353. u32 reg_val;
  354. reg_val = DSI_PLL_REG_R(rsc->phy_base, reg);
  355. reg_val &= ~0x03;
  356. reg_val |= val;
  357. DSI_PLL_REG_W(rsc->phy_base, reg, reg_val);
  358. return 0;
  359. }
  360. static inline int pclk_mux_write_sel(void *context, unsigned int reg,
  361. unsigned int val)
  362. {
  363. int rc = 0;
  364. struct dsi_pll_resource *rsc = context;
  365. struct dsi_pll_5nm *pll = rsc->priv;
  366. if (pll->cphy_enabled)
  367. WARN_ON("PHY is in CPHY mode. PLL config is incorrect\n");
  368. rc = pclk_mux_write_sel_sub(rsc, reg, val);
  369. if (!rc && rsc->slave)
  370. rc = pclk_mux_write_sel_sub(rsc->slave, reg, val);
  371. /*
  372. * cache the current parent index for cases where parent
  373. * is not changing but rate is changing. In that case
  374. * clock framework won't call parent_set and hence dsiclk_sel
  375. * bit won't be programmed. e.g. dfps update use case.
  376. */
  377. rsc->cached_cfg1 = val;
  378. return rc;
  379. }
  380. static inline int cphy_pclk_mux_read_sel(void *context, unsigned int reg,
  381. unsigned int *val)
  382. {
  383. struct dsi_pll_resource *rsc = context;
  384. *val = (DSI_PLL_REG_R(rsc->phy_base, reg) & 0x3);
  385. return 0;
  386. }
  387. static inline int cphy_pclk_mux_write_sel(void *context, unsigned int reg,
  388. unsigned int val)
  389. {
  390. int rc = 0;
  391. struct dsi_pll_resource *rsc = context;
  392. struct dsi_pll_5nm *pll = rsc->priv;
  393. if (!pll->cphy_enabled)
  394. WARN_ON("PHY-> not in CPHY mode. PLL config is incorrect\n");
  395. /* For Cphy configuration, val should always be 3 */
  396. val = 3;
  397. rc = pclk_mux_write_sel_sub(rsc, reg, val);
  398. if (!rc && rsc->slave)
  399. rc = pclk_mux_write_sel_sub(rsc->slave, reg, val);
  400. /*
  401. * cache the current parent index for cases where parent
  402. * is not changing but rate is changing. In that case
  403. * clock framework won't call parent_set and hence dsiclk_sel
  404. * bit won't be programmed. e.g. dfps update use case.
  405. */
  406. rsc->cached_cfg1 = val;
  407. return rc;
  408. }
  409. static int dsi_pll_5nm_get_gdsc_status(struct dsi_pll_resource *rsc)
  410. {
  411. u32 reg = 0;
  412. bool status;
  413. reg = DSI_PLL_REG_R(rsc->gdsc_base, 0x0);
  414. status = reg & BIT(31);
  415. pr_err("reg:0x%x status:%d\n", reg, status);
  416. return status;
  417. }
  418. static struct dsi_pll_resource *pll_rsc_db[DSI_PLL_MAX];
  419. static struct dsi_pll_5nm plls[DSI_PLL_MAX];
  420. static void dsi_pll_config_slave(struct dsi_pll_resource *rsc)
  421. {
  422. u32 reg;
  423. struct dsi_pll_resource *orsc = pll_rsc_db[DSI_PLL_1];
  424. if (!rsc)
  425. return;
  426. /* Only DSI PLL0 can act as a master */
  427. if (rsc->index != DSI_PLL_0)
  428. return;
  429. /* default configuration: source is either internal or ref clock */
  430. rsc->slave = NULL;
  431. if (!orsc) {
  432. pr_warn("slave PLL unavilable, assuming standalone config\n");
  433. return;
  434. }
  435. /* check to see if the source of DSI1 PLL bitclk is set to external */
  436. reg = DSI_PLL_REG_R(orsc->phy_base, PHY_CMN_CLK_CFG1);
  437. reg &= (BIT(2) | BIT(3));
  438. if (reg == 0x04)
  439. rsc->slave = pll_rsc_db[DSI_PLL_1]; /* external source */
  440. pr_debug("Slave PLL %s\n", rsc->slave ? "configured" : "absent");
  441. }
  442. static void dsi_pll_setup_config(struct dsi_pll_5nm *pll,
  443. struct dsi_pll_resource *rsc)
  444. {
  445. struct dsi_pll_config *config = &pll->pll_configuration;
  446. config->ref_freq = 19200000;
  447. config->output_div = 1;
  448. config->dec_bits = 8;
  449. config->frac_bits = 18;
  450. config->lock_timer = 64;
  451. config->ssc_freq = 31500;
  452. config->ssc_offset = 4800;
  453. config->ssc_adj_per = 2;
  454. config->thresh_cycles = 32;
  455. config->refclk_cycles = 256;
  456. config->div_override = false;
  457. config->ignore_frac = false;
  458. config->disable_prescaler = false;
  459. config->enable_ssc = rsc->ssc_en;
  460. config->ssc_center = rsc->ssc_center;
  461. if (config->enable_ssc) {
  462. if (rsc->ssc_freq)
  463. config->ssc_freq = rsc->ssc_freq;
  464. if (rsc->ssc_ppm)
  465. config->ssc_offset = rsc->ssc_ppm;
  466. }
  467. dsi_pll_config_slave(rsc);
  468. }
  469. static void dsi_pll_calc_dec_frac(struct dsi_pll_5nm *pll,
  470. struct dsi_pll_resource *rsc)
  471. {
  472. struct dsi_pll_config *config = &pll->pll_configuration;
  473. struct dsi_pll_regs *regs = &pll->reg_setup;
  474. u64 fref = rsc->vco_ref_clk_rate;
  475. u64 pll_freq;
  476. u64 divider;
  477. u64 dec, dec_multiple;
  478. u32 frac;
  479. u64 multiplier;
  480. pll_freq = rsc->vco_current_rate;
  481. if (config->disable_prescaler)
  482. divider = fref;
  483. else
  484. divider = fref * 2;
  485. multiplier = 1 << config->frac_bits;
  486. dec_multiple = div_u64(pll_freq * multiplier, divider);
  487. div_u64_rem(dec_multiple, multiplier, &frac);
  488. dec = div_u64(dec_multiple, multiplier);
  489. switch (rsc->pll_revision) {
  490. case DSI_PLL_5NM:
  491. default:
  492. if (pll_freq <= 1000000000)
  493. regs->pll_clock_inverters = 0xA0;
  494. else if (pll_freq <= 2500000000)
  495. regs->pll_clock_inverters = 0x20;
  496. else if (pll_freq <= 3500000000)
  497. regs->pll_clock_inverters = 0x00;
  498. else
  499. regs->pll_clock_inverters = 0x40;
  500. break;
  501. }
  502. regs->pll_lockdet_rate = config->lock_timer;
  503. regs->decimal_div_start = dec;
  504. regs->frac_div_start_low = (frac & 0xff);
  505. regs->frac_div_start_mid = (frac & 0xff00) >> 8;
  506. regs->frac_div_start_high = (frac & 0x30000) >> 16;
  507. regs->pll_prop_gain_rate = 10;
  508. }
  509. static void dsi_pll_calc_ssc(struct dsi_pll_5nm *pll,
  510. struct dsi_pll_resource *rsc)
  511. {
  512. struct dsi_pll_config *config = &pll->pll_configuration;
  513. struct dsi_pll_regs *regs = &pll->reg_setup;
  514. u32 ssc_per;
  515. u32 ssc_mod;
  516. u64 ssc_step_size;
  517. u64 frac;
  518. if (!config->enable_ssc) {
  519. pr_debug("SSC not enabled\n");
  520. return;
  521. }
  522. ssc_per = DIV_ROUND_CLOSEST(config->ref_freq, config->ssc_freq) / 2 - 1;
  523. ssc_mod = (ssc_per + 1) % (config->ssc_adj_per + 1);
  524. ssc_per -= ssc_mod;
  525. frac = regs->frac_div_start_low |
  526. (regs->frac_div_start_mid << 8) |
  527. (regs->frac_div_start_high << 16);
  528. ssc_step_size = regs->decimal_div_start;
  529. ssc_step_size *= (1 << config->frac_bits);
  530. ssc_step_size += frac;
  531. ssc_step_size *= config->ssc_offset;
  532. ssc_step_size *= (config->ssc_adj_per + 1);
  533. ssc_step_size = div_u64(ssc_step_size, (ssc_per + 1));
  534. ssc_step_size = DIV_ROUND_CLOSEST_ULL(ssc_step_size, 1000000);
  535. regs->ssc_div_per_low = ssc_per & 0xFF;
  536. regs->ssc_div_per_high = (ssc_per & 0xFF00) >> 8;
  537. regs->ssc_stepsize_low = (u32)(ssc_step_size & 0xFF);
  538. regs->ssc_stepsize_high = (u32)((ssc_step_size & 0xFF00) >> 8);
  539. regs->ssc_adjper_low = config->ssc_adj_per & 0xFF;
  540. regs->ssc_adjper_high = (config->ssc_adj_per & 0xFF00) >> 8;
  541. regs->ssc_control = config->ssc_center ? SSC_CENTER : 0;
  542. pr_debug("SCC: Dec:%d, frac:%llu, frac_bits:%d\n",
  543. regs->decimal_div_start, frac, config->frac_bits);
  544. pr_debug("SSC: div_per:0x%X, stepsize:0x%X, adjper:0x%X\n",
  545. ssc_per, (u32)ssc_step_size, config->ssc_adj_per);
  546. }
  547. static void dsi_pll_ssc_commit(struct dsi_pll_5nm *pll,
  548. struct dsi_pll_resource *rsc)
  549. {
  550. void __iomem *pll_base = rsc->pll_base;
  551. struct dsi_pll_regs *regs = &pll->reg_setup;
  552. if (pll->pll_configuration.enable_ssc) {
  553. pr_debug("SSC is enabled\n");
  554. DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_LOW_1,
  555. regs->ssc_stepsize_low);
  556. DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_HIGH_1,
  557. regs->ssc_stepsize_high);
  558. DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_LOW_1,
  559. regs->ssc_div_per_low);
  560. DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_HIGH_1,
  561. regs->ssc_div_per_high);
  562. DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_LOW_1,
  563. regs->ssc_adjper_low);
  564. DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_HIGH_1,
  565. regs->ssc_adjper_high);
  566. DSI_PLL_REG_W(pll_base, PLL_SSC_CONTROL,
  567. SSC_EN | regs->ssc_control);
  568. }
  569. }
  570. static void dsi_pll_config_hzindep_reg(struct dsi_pll_5nm *pll,
  571. struct dsi_pll_resource *rsc)
  572. {
  573. void __iomem *pll_base = rsc->pll_base;
  574. u64 vco_rate = rsc->vco_current_rate;
  575. switch (rsc->pll_revision) {
  576. case DSI_PLL_5NM:
  577. default:
  578. if (vco_rate < 3100000000)
  579. DSI_PLL_REG_W(pll_base,
  580. PLL_ANALOG_CONTROLS_FIVE_1, 0x01);
  581. else
  582. DSI_PLL_REG_W(pll_base,
  583. PLL_ANALOG_CONTROLS_FIVE_1, 0x03);
  584. if (vco_rate < 1520000000)
  585. DSI_PLL_REG_W(pll_base, PLL_VCO_CONFIG_1, 0x08);
  586. else if (vco_rate < 2990000000)
  587. DSI_PLL_REG_W(pll_base, PLL_VCO_CONFIG_1, 0x00);
  588. else
  589. DSI_PLL_REG_W(pll_base, PLL_VCO_CONFIG_1, 0x01);
  590. break;
  591. }
  592. DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_FIVE, 0x01);
  593. DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_TWO, 0x03);
  594. DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_THREE, 0x00);
  595. DSI_PLL_REG_W(pll_base, PLL_DSM_DIVIDER, 0x00);
  596. DSI_PLL_REG_W(pll_base, PLL_FEEDBACK_DIVIDER, 0x4e);
  597. DSI_PLL_REG_W(pll_base, PLL_CALIBRATION_SETTINGS, 0x40);
  598. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_SETTINGS_THREE, 0xba);
  599. DSI_PLL_REG_W(pll_base, PLL_FREQ_DETECT_SETTINGS_ONE, 0x0c);
  600. DSI_PLL_REG_W(pll_base, PLL_OUTDIV, 0x00);
  601. DSI_PLL_REG_W(pll_base, PLL_CORE_OVERRIDE, 0x00);
  602. DSI_PLL_REG_W(pll_base, PLL_PLL_DIGITAL_TIMERS_TWO, 0x08);
  603. DSI_PLL_REG_W(pll_base, PLL_PLL_PROP_GAIN_RATE_1, 0x0a);
  604. DSI_PLL_REG_W(pll_base, PLL_PLL_BAND_SEL_RATE_1, 0xc0);
  605. DSI_PLL_REG_W(pll_base, PLL_PLL_INT_GAIN_IFILT_BAND_1, 0x84);
  606. DSI_PLL_REG_W(pll_base, PLL_PLL_INT_GAIN_IFILT_BAND_1, 0x82);
  607. DSI_PLL_REG_W(pll_base, PLL_PLL_FL_INT_GAIN_PFILT_BAND_1, 0x4c);
  608. DSI_PLL_REG_W(pll_base, PLL_PLL_LOCK_OVERRIDE, 0x80);
  609. DSI_PLL_REG_W(pll_base, PLL_PFILT, 0x29);
  610. DSI_PLL_REG_W(pll_base, PLL_PFILT, 0x2f);
  611. DSI_PLL_REG_W(pll_base, PLL_IFILT, 0x2a);
  612. switch (rsc->pll_revision) {
  613. case DSI_PLL_5NM:
  614. default:
  615. DSI_PLL_REG_W(pll_base, PLL_IFILT, 0x3F);
  616. break;
  617. }
  618. DSI_PLL_REG_W(pll_base, PLL_PERF_OPTIMIZE, 0x22);
  619. if (rsc->slave)
  620. DSI_PLL_REG_W(rsc->slave->pll_base, PLL_PERF_OPTIMIZE, 0x22);
  621. }
  622. static void dsi_pll_init_val(struct dsi_pll_resource *rsc)
  623. {
  624. void __iomem *pll_base = rsc->pll_base;
  625. DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_ONE, 0x00000000);
  626. DSI_PLL_REG_W(pll_base, PLL_INT_LOOP_SETTINGS, 0x0000003F);
  627. DSI_PLL_REG_W(pll_base, PLL_INT_LOOP_SETTINGS_TWO, 0x00000000);
  628. DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_FOUR, 0x00000000);
  629. DSI_PLL_REG_W(pll_base, PLL_INT_LOOP_CONTROLS, 0x00000080);
  630. DSI_PLL_REG_W(pll_base, PLL_SYSTEM_MUXES, 0x00000000);
  631. DSI_PLL_REG_W(pll_base, PLL_FREQ_UPDATE_CONTROL_OVERRIDES, 0x00000000);
  632. DSI_PLL_REG_W(pll_base, PLL_CMODE, 0x00000010);
  633. DSI_PLL_REG_W(pll_base, PLL_PSM_CTRL, 0x00000020);
  634. DSI_PLL_REG_W(pll_base, PLL_RSM_CTRL, 0x00000010);
  635. DSI_PLL_REG_W(pll_base, PLL_VCO_TUNE_MAP, 0x00000002);
  636. DSI_PLL_REG_W(pll_base, PLL_PLL_CNTRL, 0x0000001C);
  637. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_TIMER_LOW, 0x00000000);
  638. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_TIMER_HIGH, 0x00000002);
  639. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_SETTINGS, 0x00000020);
  640. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_MIN, 0x00000000);
  641. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_MAX, 0x000000FF);
  642. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_PFILT, 0x00000000);
  643. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_IFILT, 0x0000000A);
  644. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_SETTINGS_TWO, 0x00000025);
  645. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_SETTINGS_THREE, 0x000000BA);
  646. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_SETTINGS_FOUR, 0x0000004F);
  647. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_ICODE_HIGH, 0x0000000A);
  648. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_ICODE_LOW, 0x00000000);
  649. DSI_PLL_REG_W(pll_base, PLL_FREQ_DETECT_SETTINGS_ONE, 0x0000000C);
  650. DSI_PLL_REG_W(pll_base, PLL_FREQ_DETECT_THRESH, 0x00000020);
  651. DSI_PLL_REG_W(pll_base, PLL_FREQ_DET_REFCLK_HIGH, 0x00000000);
  652. DSI_PLL_REG_W(pll_base, PLL_FREQ_DET_REFCLK_LOW, 0x000000FF);
  653. DSI_PLL_REG_W(pll_base, PLL_FREQ_DET_PLLCLK_HIGH, 0x00000010);
  654. DSI_PLL_REG_W(pll_base, PLL_FREQ_DET_PLLCLK_LOW, 0x00000046);
  655. DSI_PLL_REG_W(pll_base, PLL_PLL_GAIN, 0x00000054);
  656. DSI_PLL_REG_W(pll_base, PLL_ICODE_LOW, 0x00000000);
  657. DSI_PLL_REG_W(pll_base, PLL_ICODE_HIGH, 0x00000000);
  658. DSI_PLL_REG_W(pll_base, PLL_LOCKDET, 0x00000040);
  659. DSI_PLL_REG_W(pll_base, PLL_FASTLOCK_CONTROL, 0x00000004);
  660. DSI_PLL_REG_W(pll_base, PLL_PASS_OUT_OVERRIDE_ONE, 0x00000000);
  661. DSI_PLL_REG_W(pll_base, PLL_PASS_OUT_OVERRIDE_TWO, 0x00000000);
  662. DSI_PLL_REG_W(pll_base, PLL_CORE_OVERRIDE, 0x00000000);
  663. DSI_PLL_REG_W(pll_base, PLL_CORE_INPUT_OVERRIDE, 0x00000010);
  664. DSI_PLL_REG_W(pll_base, PLL_RATE_CHANGE, 0x00000000);
  665. DSI_PLL_REG_W(pll_base, PLL_PLL_DIGITAL_TIMERS, 0x00000008);
  666. DSI_PLL_REG_W(pll_base, PLL_PLL_DIGITAL_TIMERS_TWO, 0x00000008);
  667. DSI_PLL_REG_W(pll_base, PLL_DEC_FRAC_MUXES, 0x00000000);
  668. DSI_PLL_REG_W(pll_base, PLL_MASH_CONTROL, 0x00000003);
  669. DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_LOW, 0x00000000);
  670. DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_HIGH, 0x00000000);
  671. DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_LOW, 0x00000000);
  672. DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_HIGH, 0x00000000);
  673. DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_LOW, 0x00000000);
  674. DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_HIGH, 0x00000000);
  675. DSI_PLL_REG_W(pll_base, PLL_SSC_MUX_CONTROL, 0x00000000);
  676. DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_LOW_1, 0x00000000);
  677. DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_HIGH_1, 0x00000000);
  678. DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_LOW_1, 0x00000000);
  679. DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_HIGH_1, 0x00000000);
  680. DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_LOW_1, 0x00000000);
  681. DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_HIGH_1, 0x00000000);
  682. DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_LOW_2, 0x00000000);
  683. DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_HIGH_2, 0x00000000);
  684. DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_LOW_2, 0x00000000);
  685. DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_HIGH_2, 0x00000000);
  686. DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_LOW_2, 0x00000000);
  687. DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_HIGH_2, 0x00000000);
  688. DSI_PLL_REG_W(pll_base, PLL_SSC_CONTROL, 0x00000000);
  689. DSI_PLL_REG_W(pll_base, PLL_PLL_OUTDIV_RATE, 0x00000000);
  690. DSI_PLL_REG_W(pll_base, PLL_PLL_LOCKDET_RATE_1, 0x00000040);
  691. DSI_PLL_REG_W(pll_base, PLL_PLL_LOCKDET_RATE_2, 0x00000040);
  692. DSI_PLL_REG_W(pll_base, PLL_PLL_PROP_GAIN_RATE_1, 0x0000000C);
  693. DSI_PLL_REG_W(pll_base, PLL_PLL_PROP_GAIN_RATE_2, 0x0000000A);
  694. DSI_PLL_REG_W(pll_base, PLL_PLL_BAND_SEL_RATE_1, 0x000000C0);
  695. DSI_PLL_REG_W(pll_base, PLL_PLL_BAND_SEL_RATE_2, 0x00000000);
  696. DSI_PLL_REG_W(pll_base, PLL_PLL_INT_GAIN_IFILT_BAND_1, 0x00000054);
  697. DSI_PLL_REG_W(pll_base, PLL_PLL_INT_GAIN_IFILT_BAND_2, 0x00000054);
  698. DSI_PLL_REG_W(pll_base, PLL_PLL_FL_INT_GAIN_PFILT_BAND_1, 0x0000004C);
  699. DSI_PLL_REG_W(pll_base, PLL_PLL_FL_INT_GAIN_PFILT_BAND_2, 0x0000004C);
  700. DSI_PLL_REG_W(pll_base, PLL_PLL_FASTLOCK_EN_BAND, 0x00000003);
  701. DSI_PLL_REG_W(pll_base, PLL_FREQ_TUNE_ACCUM_INIT_MID, 0x00000000);
  702. DSI_PLL_REG_W(pll_base, PLL_FREQ_TUNE_ACCUM_INIT_HIGH, 0x00000000);
  703. DSI_PLL_REG_W(pll_base, PLL_FREQ_TUNE_ACCUM_INIT_MUX, 0x00000000);
  704. DSI_PLL_REG_W(pll_base, PLL_PLL_LOCK_OVERRIDE, 0x00000080);
  705. DSI_PLL_REG_W(pll_base, PLL_PLL_LOCK_DELAY, 0x00000006);
  706. DSI_PLL_REG_W(pll_base, PLL_PLL_LOCK_MIN_DELAY, 0x00000019);
  707. DSI_PLL_REG_W(pll_base, PLL_CLOCK_INVERTERS, 0x00000000);
  708. DSI_PLL_REG_W(pll_base, PLL_SPARE_AND_JPC_OVERRIDES, 0x00000000);
  709. DSI_PLL_REG_W(pll_base, PLL_BIAS_CONTROL_1, 0x00000040);
  710. DSI_PLL_REG_W(pll_base, PLL_BIAS_CONTROL_2, 0x00000020);
  711. DSI_PLL_REG_W(pll_base, PLL_ALOG_OBSV_BUS_CTRL_1, 0x00000000);
  712. DSI_PLL_REG_W(pll_base, PLL_COMMON_STATUS_ONE, 0x00000000);
  713. DSI_PLL_REG_W(pll_base, PLL_COMMON_STATUS_TWO, 0x00000000);
  714. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL, 0x00000000);
  715. DSI_PLL_REG_W(pll_base, PLL_ICODE_ACCUM_STATUS_LOW, 0x00000000);
  716. DSI_PLL_REG_W(pll_base, PLL_ICODE_ACCUM_STATUS_HIGH, 0x00000000);
  717. DSI_PLL_REG_W(pll_base, PLL_FD_OUT_LOW, 0x00000000);
  718. DSI_PLL_REG_W(pll_base, PLL_FD_OUT_HIGH, 0x00000000);
  719. DSI_PLL_REG_W(pll_base, PLL_ALOG_OBSV_BUS_STATUS_1, 0x00000000);
  720. DSI_PLL_REG_W(pll_base, PLL_PLL_MISC_CONFIG, 0x00000000);
  721. DSI_PLL_REG_W(pll_base, PLL_FLL_CONFIG, 0x00000002);
  722. DSI_PLL_REG_W(pll_base, PLL_FLL_FREQ_ACQ_TIME, 0x00000011);
  723. DSI_PLL_REG_W(pll_base, PLL_FLL_CODE0, 0x00000000);
  724. DSI_PLL_REG_W(pll_base, PLL_FLL_CODE1, 0x00000000);
  725. DSI_PLL_REG_W(pll_base, PLL_FLL_GAIN0, 0x00000080);
  726. DSI_PLL_REG_W(pll_base, PLL_FLL_GAIN1, 0x00000000);
  727. DSI_PLL_REG_W(pll_base, PLL_SW_RESET, 0x00000000);
  728. DSI_PLL_REG_W(pll_base, PLL_FAST_PWRUP, 0x00000000);
  729. DSI_PLL_REG_W(pll_base, PLL_LOCKTIME0, 0x00000000);
  730. DSI_PLL_REG_W(pll_base, PLL_LOCKTIME1, 0x00000000);
  731. DSI_PLL_REG_W(pll_base, PLL_DEBUG_BUS_SEL, 0x00000000);
  732. DSI_PLL_REG_W(pll_base, PLL_DEBUG_BUS0, 0x00000000);
  733. DSI_PLL_REG_W(pll_base, PLL_DEBUG_BUS1, 0x00000000);
  734. DSI_PLL_REG_W(pll_base, PLL_DEBUG_BUS2, 0x00000000);
  735. DSI_PLL_REG_W(pll_base, PLL_DEBUG_BUS3, 0x00000000);
  736. DSI_PLL_REG_W(pll_base, PLL_ANALOG_FLL_CONTROL_OVERRIDES, 0x00000000);
  737. DSI_PLL_REG_W(pll_base, PLL_VCO_CONFIG, 0x00000000);
  738. DSI_PLL_REG_W(pll_base, PLL_VCO_CAL_CODE1_MODE0_STATUS, 0x00000000);
  739. DSI_PLL_REG_W(pll_base, PLL_VCO_CAL_CODE1_MODE1_STATUS, 0x00000000);
  740. DSI_PLL_REG_W(pll_base, PLL_RESET_SM_STATUS, 0x00000000);
  741. DSI_PLL_REG_W(pll_base, PLL_TDC_OFFSET, 0x00000000);
  742. DSI_PLL_REG_W(pll_base, PLL_PS3_PWRDOWN_CONTROLS, 0x0000001D);
  743. DSI_PLL_REG_W(pll_base, PLL_PS4_PWRDOWN_CONTROLS, 0x0000001C);
  744. DSI_PLL_REG_W(pll_base, PLL_PLL_RST_CONTROLS, 0x000000FF);
  745. DSI_PLL_REG_W(pll_base, PLL_GEAR_BAND_SELECT_CONTROLS, 0x00000022);
  746. DSI_PLL_REG_W(pll_base, PLL_PSM_CLK_CONTROLS, 0x00000009);
  747. DSI_PLL_REG_W(pll_base, PLL_SYSTEM_MUXES_2, 0x00000000);
  748. DSI_PLL_REG_W(pll_base, PLL_VCO_CONFIG_1, 0x00000000);
  749. DSI_PLL_REG_W(pll_base, PLL_VCO_CONFIG_2, 0x00000000);
  750. DSI_PLL_REG_W(pll_base, PLL_CLOCK_INVERTERS_1, 0x00000040);
  751. DSI_PLL_REG_W(pll_base, PLL_CLOCK_INVERTERS_2, 0x00000000);
  752. DSI_PLL_REG_W(pll_base, PLL_CMODE_1, 0x00000010);
  753. DSI_PLL_REG_W(pll_base, PLL_CMODE_2, 0x00000010);
  754. DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_FIVE_2, 0x00000003);
  755. }
  756. static void dsi_pll_detect_phy_mode(struct dsi_pll_5nm *pll,
  757. struct dsi_pll_resource *rsc)
  758. {
  759. u32 reg_val;
  760. reg_val = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_GLBL_CTRL);
  761. pll->cphy_enabled = (reg_val & BIT(6)) ? true : false;
  762. }
  763. static void dsi_pll_commit(struct dsi_pll_5nm *pll,
  764. struct dsi_pll_resource *rsc)
  765. {
  766. void __iomem *pll_base = rsc->pll_base;
  767. struct dsi_pll_regs *reg = &pll->reg_setup;
  768. DSI_PLL_REG_W(pll_base, PLL_CORE_INPUT_OVERRIDE, 0x12);
  769. DSI_PLL_REG_W(pll_base, PLL_DECIMAL_DIV_START_1,
  770. reg->decimal_div_start);
  771. DSI_PLL_REG_W(pll_base, PLL_FRAC_DIV_START_LOW_1,
  772. reg->frac_div_start_low);
  773. DSI_PLL_REG_W(pll_base, PLL_FRAC_DIV_START_MID_1,
  774. reg->frac_div_start_mid);
  775. DSI_PLL_REG_W(pll_base, PLL_FRAC_DIV_START_HIGH_1,
  776. reg->frac_div_start_high);
  777. DSI_PLL_REG_W(pll_base, PLL_PLL_LOCKDET_RATE_1, 0x40);
  778. DSI_PLL_REG_W(pll_base, PLL_PLL_LOCK_DELAY, 0x06);
  779. DSI_PLL_REG_W(pll_base, PLL_CMODE_1,
  780. pll->cphy_enabled ? 0x00 : 0x10);
  781. DSI_PLL_REG_W(pll_base, PLL_CLOCK_INVERTERS_1,
  782. reg->pll_clock_inverters);
  783. }
  784. static int vco_5nm_set_rate(struct clk_hw *hw, unsigned long rate,
  785. unsigned long parent_rate)
  786. {
  787. struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
  788. struct dsi_pll_resource *rsc = vco->priv;
  789. struct dsi_pll_5nm *pll;
  790. if (!rsc) {
  791. pr_err("pll resource not found\n");
  792. return -EINVAL;
  793. }
  794. if (rsc->pll_on)
  795. return 0;
  796. pll = rsc->priv;
  797. if (!pll) {
  798. pr_err("pll configuration not found\n");
  799. return -EINVAL;
  800. }
  801. pr_debug("ndx=%d, rate=%lu\n", rsc->index, rate);
  802. rsc->vco_current_rate = rate;
  803. rsc->vco_ref_clk_rate = vco->ref_clk_rate;
  804. rsc->dfps_trigger = false;
  805. dsi_pll_init_val(rsc);
  806. dsi_pll_detect_phy_mode(pll, rsc);
  807. dsi_pll_setup_config(pll, rsc);
  808. dsi_pll_calc_dec_frac(pll, rsc);
  809. dsi_pll_calc_ssc(pll, rsc);
  810. dsi_pll_commit(pll, rsc);
  811. dsi_pll_config_hzindep_reg(pll, rsc);
  812. dsi_pll_ssc_commit(pll, rsc);
  813. /* flush, ensure all register writes are done*/
  814. wmb();
  815. return 0;
  816. }
  817. static int dsi_pll_read_stored_trim_codes(struct dsi_pll_resource *pll_res,
  818. unsigned long vco_clk_rate)
  819. {
  820. int i;
  821. bool found = false;
  822. if (!pll_res->dfps)
  823. return -EINVAL;
  824. for (i = 0; i < pll_res->dfps->vco_rate_cnt; i++) {
  825. struct dfps_codes_info *codes_info =
  826. &pll_res->dfps->codes_dfps[i];
  827. pr_debug("valid=%d vco_rate=%d, code %d %d %d\n",
  828. codes_info->is_valid, codes_info->clk_rate,
  829. codes_info->pll_codes.pll_codes_1,
  830. codes_info->pll_codes.pll_codes_2,
  831. codes_info->pll_codes.pll_codes_3);
  832. if (vco_clk_rate != codes_info->clk_rate &&
  833. codes_info->is_valid)
  834. continue;
  835. pll_res->cache_pll_trim_codes[0] =
  836. codes_info->pll_codes.pll_codes_1;
  837. pll_res->cache_pll_trim_codes[1] =
  838. codes_info->pll_codes.pll_codes_2;
  839. pll_res->cache_pll_trim_codes[2] =
  840. codes_info->pll_codes.pll_codes_3;
  841. found = true;
  842. break;
  843. }
  844. if (!found)
  845. return -EINVAL;
  846. pr_debug("trim_code_0=0x%x trim_code_1=0x%x trim_code_2=0x%x\n",
  847. pll_res->cache_pll_trim_codes[0],
  848. pll_res->cache_pll_trim_codes[1],
  849. pll_res->cache_pll_trim_codes[2]);
  850. return 0;
  851. }
  852. static void shadow_dsi_pll_dynamic_refresh_5nm(struct dsi_pll_5nm *pll,
  853. struct dsi_pll_resource *rsc)
  854. {
  855. u32 data;
  856. u32 offset = DSI_PHY_TO_PLL_OFFSET;
  857. u32 upper_addr = 0;
  858. u32 upper_addr2 = 0;
  859. struct dsi_pll_regs *reg = &pll->reg_setup;
  860. data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG1);
  861. data &= ~BIT(5);
  862. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL0,
  863. PHY_CMN_CLK_CFG1, PHY_CMN_PLL_CNTRL, data, 0);
  864. upper_addr |= (upper_8_bit(PHY_CMN_CLK_CFG1) << 0);
  865. upper_addr |= (upper_8_bit(PHY_CMN_PLL_CNTRL) << 1);
  866. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL1,
  867. PHY_CMN_RBUF_CTRL,
  868. (PLL_CORE_INPUT_OVERRIDE + offset),
  869. 0, 0x12);
  870. upper_addr |= (upper_8_bit(PHY_CMN_RBUF_CTRL) << 2);
  871. upper_addr |= (upper_8_bit(PLL_CORE_INPUT_OVERRIDE + offset) << 3);
  872. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL2,
  873. (PLL_DECIMAL_DIV_START_1 + offset),
  874. (PLL_FRAC_DIV_START_LOW_1 + offset),
  875. reg->decimal_div_start, reg->frac_div_start_low);
  876. upper_addr |= (upper_8_bit(PLL_DECIMAL_DIV_START_1 + offset) << 4);
  877. upper_addr |= (upper_8_bit(PLL_FRAC_DIV_START_LOW_1 + offset) << 5);
  878. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL3,
  879. (PLL_FRAC_DIV_START_MID_1 + offset),
  880. (PLL_FRAC_DIV_START_HIGH_1 + offset),
  881. reg->frac_div_start_mid, reg->frac_div_start_high);
  882. upper_addr |= (upper_8_bit(PLL_FRAC_DIV_START_MID_1 + offset) << 6);
  883. upper_addr |= (upper_8_bit(PLL_FRAC_DIV_START_HIGH_1 + offset) << 7);
  884. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL4,
  885. (PLL_SYSTEM_MUXES + offset),
  886. (PLL_PLL_LOCKDET_RATE_1 + offset),
  887. 0xc0, 0x10);
  888. upper_addr |= (upper_8_bit(PLL_SYSTEM_MUXES + offset) << 8);
  889. upper_addr |= (upper_8_bit(PLL_PLL_LOCKDET_RATE_1 + offset) << 9);
  890. data = DSI_PLL_REG_R(rsc->pll_base, PLL_PLL_OUTDIV_RATE) & 0x03;
  891. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL5,
  892. (PLL_PLL_OUTDIV_RATE + offset),
  893. (PLL_PLL_LOCK_DELAY + offset),
  894. data, 0x06);
  895. upper_addr |= (upper_8_bit(PLL_PLL_OUTDIV_RATE + offset) << 10);
  896. upper_addr |= (upper_8_bit(PLL_PLL_LOCK_DELAY + offset) << 11);
  897. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL6,
  898. (PLL_CMODE_1 + offset),
  899. (PLL_CLOCK_INVERTERS_1 + offset),
  900. 0x10, reg->pll_clock_inverters);
  901. upper_addr |=
  902. (upper_8_bit(PLL_CMODE_1 + offset) << 12);
  903. upper_addr |= (upper_8_bit(PLL_CLOCK_INVERTERS_1 + offset) << 13);
  904. data = DSI_PLL_REG_R(rsc->pll_base, PLL_VCO_CONFIG_1);
  905. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL7,
  906. (PLL_ANALOG_CONTROLS_FIVE_1 + offset),
  907. (PLL_VCO_CONFIG_1 + offset),
  908. 0x01, data);
  909. upper_addr |= (upper_8_bit(PLL_ANALOG_CONTROLS_FIVE_1 + offset) << 14);
  910. upper_addr |= (upper_8_bit(PLL_VCO_CONFIG_1 + offset) << 15);
  911. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL8,
  912. (PLL_ANALOG_CONTROLS_FIVE + offset),
  913. (PLL_ANALOG_CONTROLS_TWO + offset), 0x01, 0x03);
  914. upper_addr |= (upper_8_bit(PLL_ANALOG_CONTROLS_FIVE + offset) << 16);
  915. upper_addr |= (upper_8_bit(PLL_ANALOG_CONTROLS_TWO + offset) << 17);
  916. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL9,
  917. (PLL_ANALOG_CONTROLS_THREE + offset),
  918. (PLL_DSM_DIVIDER + offset),
  919. rsc->cache_pll_trim_codes[2], 0x00);
  920. upper_addr |= (upper_8_bit(PLL_ANALOG_CONTROLS_THREE + offset) << 18);
  921. upper_addr |= (upper_8_bit(PLL_DSM_DIVIDER + offset) << 19);
  922. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL10,
  923. (PLL_FEEDBACK_DIVIDER + offset),
  924. (PLL_CALIBRATION_SETTINGS + offset), 0x4E, 0x40);
  925. upper_addr |= (upper_8_bit(PLL_FEEDBACK_DIVIDER + offset) << 20);
  926. upper_addr |= (upper_8_bit(PLL_CALIBRATION_SETTINGS + offset) << 21);
  927. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL11,
  928. (PLL_BAND_SEL_CAL_SETTINGS_THREE + offset),
  929. (PLL_FREQ_DETECT_SETTINGS_ONE + offset), 0xBA, 0x0C);
  930. upper_addr |= (upper_8_bit(PLL_BAND_SEL_CAL_SETTINGS_THREE + offset)
  931. << 22);
  932. upper_addr |= (upper_8_bit(PLL_FREQ_DETECT_SETTINGS_ONE + offset)
  933. << 23);
  934. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL12,
  935. (PLL_OUTDIV + offset),
  936. (PLL_CORE_OVERRIDE + offset), 0, 0);
  937. upper_addr |= (upper_8_bit(PLL_OUTDIV + offset) << 24);
  938. upper_addr |= (upper_8_bit(PLL_CORE_OVERRIDE + offset) << 25);
  939. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL13,
  940. (PLL_PLL_DIGITAL_TIMERS_TWO + offset),
  941. (PLL_PLL_PROP_GAIN_RATE_1 + offset),
  942. 0x08, reg->pll_prop_gain_rate);
  943. upper_addr |= (upper_8_bit(PLL_PLL_DIGITAL_TIMERS_TWO + offset) << 26);
  944. upper_addr |= (upper_8_bit(PLL_PLL_PROP_GAIN_RATE_1 + offset) << 27);
  945. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL14,
  946. (PLL_PLL_BAND_SEL_RATE_1 + offset),
  947. (PLL_PLL_INT_GAIN_IFILT_BAND_1 + offset),
  948. 0xC0, 0x82);
  949. upper_addr |= (upper_8_bit(PLL_PLL_BAND_SEL_RATE_1 + offset) << 28);
  950. upper_addr |= (upper_8_bit(PLL_PLL_INT_GAIN_IFILT_BAND_1 + offset)
  951. << 29);
  952. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL15,
  953. (PLL_PLL_FL_INT_GAIN_PFILT_BAND_1 + offset),
  954. (PLL_PLL_LOCK_OVERRIDE + offset),
  955. 0x4c, 0x80);
  956. upper_addr |= (upper_8_bit(PLL_PLL_FL_INT_GAIN_PFILT_BAND_1 + offset)
  957. << 30);
  958. upper_addr |= (upper_8_bit(PLL_PLL_LOCK_OVERRIDE + offset) << 31);
  959. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL16,
  960. (PLL_PFILT + offset),
  961. (PLL_IFILT + offset),
  962. 0x29, 0x3f);
  963. upper_addr2 |= (upper_8_bit(PLL_PFILT + offset) << 0);
  964. upper_addr2 |= (upper_8_bit(PLL_IFILT + offset) << 1);
  965. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL17,
  966. (PLL_SYSTEM_MUXES + offset),
  967. (PLL_CALIBRATION_SETTINGS + offset),
  968. 0xe0, 0x44);
  969. upper_addr2 |= (upper_8_bit(PLL_BAND_SEL_CAL + offset) << 2);
  970. upper_addr2 |= (upper_8_bit(PLL_CALIBRATION_SETTINGS + offset) << 3);
  971. data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG0);
  972. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL18,
  973. PHY_CMN_CTRL_2, PHY_CMN_CLK_CFG0, 0x40, data);
  974. if (rsc->slave)
  975. DSI_DYN_PLL_REG_W(rsc->slave->dyn_pll_base,
  976. DSI_DYNAMIC_REFRESH_PLL_CTRL10,
  977. PHY_CMN_CLK_CFG0, PHY_CMN_CTRL_0,
  978. data, 0x7f);
  979. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL27,
  980. PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
  981. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL28,
  982. PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
  983. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL29,
  984. PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
  985. data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG1) | BIT(5);
  986. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL30,
  987. PHY_CMN_CLK_CFG1, PHY_CMN_RBUF_CTRL, data, 0x01);
  988. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL31,
  989. PHY_CMN_CLK_CFG1, PHY_CMN_CLK_CFG1, data, data);
  990. if (rsc->slave) {
  991. data = DSI_PLL_REG_R(rsc->slave->phy_base, PHY_CMN_CLK_CFG1) |
  992. BIT(5);
  993. DSI_DYN_PLL_REG_W(rsc->slave->dyn_pll_base,
  994. DSI_DYNAMIC_REFRESH_PLL_CTRL30,
  995. PHY_CMN_CLK_CFG1, PHY_CMN_RBUF_CTRL,
  996. data, 0x01);
  997. DSI_DYN_PLL_REG_W(rsc->slave->dyn_pll_base,
  998. DSI_DYNAMIC_REFRESH_PLL_CTRL31,
  999. PHY_CMN_CLK_CFG1, PHY_CMN_CLK_CFG1,
  1000. data, data);
  1001. }
  1002. DSI_PLL_REG_W(rsc->dyn_pll_base,
  1003. DSI_DYNAMIC_REFRESH_PLL_UPPER_ADDR, upper_addr);
  1004. DSI_PLL_REG_W(rsc->dyn_pll_base,
  1005. DSI_DYNAMIC_REFRESH_PLL_UPPER_ADDR2, upper_addr2);
  1006. wmb(); /* commit register writes */
  1007. }
  1008. static int shadow_vco_5nm_set_rate(struct clk_hw *hw, unsigned long rate,
  1009. unsigned long parent_rate)
  1010. {
  1011. int rc;
  1012. struct dsi_pll_5nm *pll;
  1013. struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
  1014. struct dsi_pll_resource *rsc = vco->priv;
  1015. if (!rsc) {
  1016. pr_err("pll resource not found\n");
  1017. return -EINVAL;
  1018. }
  1019. pll = rsc->priv;
  1020. if (!pll) {
  1021. pr_err("pll configuration not found\n");
  1022. return -EINVAL;
  1023. }
  1024. rc = dsi_pll_read_stored_trim_codes(rsc, rate);
  1025. if (rc) {
  1026. pr_err("cannot find pll codes rate=%ld\n", rate);
  1027. return -EINVAL;
  1028. }
  1029. pr_debug("ndx=%d, rate=%lu\n", rsc->index, rate);
  1030. rsc->vco_current_rate = rate;
  1031. rsc->vco_ref_clk_rate = vco->ref_clk_rate;
  1032. dsi_pll_setup_config(pll, rsc);
  1033. dsi_pll_calc_dec_frac(pll, rsc);
  1034. /* program dynamic refresh control registers */
  1035. shadow_dsi_pll_dynamic_refresh_5nm(pll, rsc);
  1036. /* update cached vco rate */
  1037. rsc->vco_cached_rate = rate;
  1038. rsc->dfps_trigger = true;
  1039. return 0;
  1040. }
  1041. static int dsi_pll_5nm_lock_status(struct dsi_pll_resource *pll)
  1042. {
  1043. int rc;
  1044. u32 status;
  1045. u32 const delay_us = 100;
  1046. u32 const timeout_us = 5000;
  1047. rc = readl_poll_timeout_atomic(pll->pll_base + PLL_COMMON_STATUS_ONE,
  1048. status,
  1049. ((status & BIT(0)) > 0),
  1050. delay_us,
  1051. timeout_us);
  1052. if (rc && !pll->handoff_resources)
  1053. pr_err("DSI PLL(%d) lock failed, status=0x%08x\n",
  1054. pll->index, status);
  1055. return rc;
  1056. }
  1057. static void dsi_pll_disable_pll_bias(struct dsi_pll_resource *rsc)
  1058. {
  1059. u32 data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CTRL_0);
  1060. DSI_PLL_REG_W(rsc->pll_base, PLL_SYSTEM_MUXES, 0);
  1061. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CTRL_0, data & ~BIT(5));
  1062. ndelay(250);
  1063. }
  1064. static void dsi_pll_enable_pll_bias(struct dsi_pll_resource *rsc)
  1065. {
  1066. u32 data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CTRL_0);
  1067. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CTRL_0, data | BIT(5));
  1068. DSI_PLL_REG_W(rsc->pll_base, PLL_SYSTEM_MUXES, 0xc0);
  1069. ndelay(250);
  1070. }
  1071. static void dsi_pll_disable_global_clk(struct dsi_pll_resource *rsc)
  1072. {
  1073. u32 data;
  1074. data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG1);
  1075. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CLK_CFG1, (data & ~BIT(5)));
  1076. }
  1077. static void dsi_pll_enable_global_clk(struct dsi_pll_resource *rsc)
  1078. {
  1079. u32 data;
  1080. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CTRL_3, 0x04);
  1081. data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG1);
  1082. /* Turn on clk_en_sel bit prior to resync toggle fifo */
  1083. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CLK_CFG1, (data | BIT(5) |
  1084. BIT(4)));
  1085. }
  1086. static void dsi_pll_phy_dig_reset(struct dsi_pll_resource *rsc)
  1087. {
  1088. /*
  1089. * Reset the PHY digital domain. This would be needed when
  1090. * coming out of a CX or analog rail power collapse while
  1091. * ensuring that the pads maintain LP00 or LP11 state
  1092. */
  1093. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_GLBL_DIGTOP_SPARE4, BIT(0));
  1094. wmb(); /* Ensure that the reset is asserted */
  1095. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_GLBL_DIGTOP_SPARE4, 0x0);
  1096. wmb(); /* Ensure that the reset is deasserted */
  1097. }
  1098. static int dsi_pll_enable(struct dsi_pll_vco_clk *vco)
  1099. {
  1100. int rc;
  1101. struct dsi_pll_resource *rsc = vco->priv;
  1102. struct dsi_pll_5nm *pll = rsc->priv;
  1103. dsi_pll_enable_pll_bias(rsc);
  1104. if (rsc->slave)
  1105. dsi_pll_enable_pll_bias(rsc->slave);
  1106. /* For Cphy configuration, pclk_mux is always set to 3 divider */
  1107. if (pll->cphy_enabled) {
  1108. rsc->cached_cfg1 |= 0x3;
  1109. if (rsc->slave)
  1110. rsc->slave->cached_cfg1 |= 0x3;
  1111. }
  1112. phy_reg_update_bits_sub(rsc, PHY_CMN_CLK_CFG1, 0x03, rsc->cached_cfg1);
  1113. if (rsc->slave)
  1114. phy_reg_update_bits_sub(rsc->slave, PHY_CMN_CLK_CFG1,
  1115. 0x03, rsc->slave->cached_cfg1);
  1116. wmb(); /* ensure dsiclk_sel is always programmed before pll start */
  1117. /* Start PLL */
  1118. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_PLL_CNTRL, 0x01);
  1119. /*
  1120. * ensure all PLL configurations are written prior to checking
  1121. * for PLL lock.
  1122. */
  1123. wmb();
  1124. /* Check for PLL lock */
  1125. rc = dsi_pll_5nm_lock_status(rsc);
  1126. if (rc) {
  1127. pr_err("PLL(%d) lock failed\n", rsc->index);
  1128. goto error;
  1129. }
  1130. rsc->pll_on = true;
  1131. /*
  1132. * assert power on reset for PHY digital in case the PLL is
  1133. * enabled after CX of analog domain power collapse. This needs
  1134. * to be done before enabling the global clk.
  1135. */
  1136. dsi_pll_phy_dig_reset(rsc);
  1137. if (rsc->slave)
  1138. dsi_pll_phy_dig_reset(rsc->slave);
  1139. dsi_pll_enable_global_clk(rsc);
  1140. if (rsc->slave)
  1141. dsi_pll_enable_global_clk(rsc->slave);
  1142. error:
  1143. return rc;
  1144. }
  1145. static void dsi_pll_disable_sub(struct dsi_pll_resource *rsc)
  1146. {
  1147. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_RBUF_CTRL, 0);
  1148. dsi_pll_disable_pll_bias(rsc);
  1149. }
  1150. static void dsi_pll_disable(struct dsi_pll_vco_clk *vco)
  1151. {
  1152. struct dsi_pll_resource *rsc = vco->priv;
  1153. if (!rsc->pll_on) {
  1154. pr_err("failed to enable pll (%d) resources\n", rsc->index);
  1155. return;
  1156. }
  1157. rsc->handoff_resources = false;
  1158. rsc->dfps_trigger = false;
  1159. pr_debug("stop PLL (%d)\n", rsc->index);
  1160. /*
  1161. * To avoid any stray glitches while
  1162. * abruptly powering down the PLL
  1163. * make sure to gate the clock using
  1164. * the clock enable bit before powering
  1165. * down the PLL
  1166. */
  1167. dsi_pll_disable_global_clk(rsc);
  1168. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_PLL_CNTRL, 0);
  1169. dsi_pll_disable_sub(rsc);
  1170. if (rsc->slave) {
  1171. dsi_pll_disable_global_clk(rsc->slave);
  1172. dsi_pll_disable_sub(rsc->slave);
  1173. }
  1174. /* flush, ensure all register writes are done*/
  1175. wmb();
  1176. rsc->pll_on = false;
  1177. }
  1178. long vco_5nm_round_rate(struct clk_hw *hw, unsigned long rate,
  1179. unsigned long *parent_rate)
  1180. {
  1181. unsigned long rrate = rate;
  1182. struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
  1183. if (rate < vco->min_rate)
  1184. rrate = vco->min_rate;
  1185. if (rate > vco->max_rate)
  1186. rrate = vco->max_rate;
  1187. *parent_rate = rrate;
  1188. return rrate;
  1189. }
  1190. static void vco_5nm_unprepare(struct clk_hw *hw)
  1191. {
  1192. struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
  1193. struct dsi_pll_resource *pll = vco->priv;
  1194. if (!pll) {
  1195. pr_err("dsi pll resources not available\n");
  1196. return;
  1197. }
  1198. /*
  1199. * During unprepare in continuous splash use case we want driver
  1200. * to pick all dividers instead of retaining bootloader configurations.
  1201. * Also handle the usecases when dynamic refresh gets triggered while
  1202. * handoff_resources flag is still set. For video mode, this flag does
  1203. * not get cleared until first suspend. Whereas for command mode, it
  1204. * doesnt get cleared until first idle power collapse. We need to make
  1205. * sure that we save and restore the divider settings when dynamic FPS
  1206. * is triggered.
  1207. */
  1208. if (!pll->handoff_resources || pll->dfps_trigger) {
  1209. pll->cached_cfg0 = DSI_PLL_REG_R(pll->phy_base,
  1210. PHY_CMN_CLK_CFG0);
  1211. pll->cached_outdiv = DSI_PLL_REG_R(pll->pll_base,
  1212. PLL_PLL_OUTDIV_RATE);
  1213. pr_debug("cfg0=%d,cfg1=%d, outdiv=%d\n", pll->cached_cfg0,
  1214. pll->cached_cfg1, pll->cached_outdiv);
  1215. pll->vco_cached_rate = clk_get_rate(hw->clk);
  1216. }
  1217. /*
  1218. * When continuous splash screen feature is enabled, we need to cache
  1219. * the mux configuration for the pixel_clk_src mux clock. The clock
  1220. * framework does not call back to re-configure the mux value if it is
  1221. * does not change.For such usecases, we need to ensure that the cached
  1222. * value is programmed prior to PLL being locked
  1223. */
  1224. if (pll->handoff_resources) {
  1225. pll->cached_cfg1 = DSI_PLL_REG_R(pll->phy_base,
  1226. PHY_CMN_CLK_CFG1);
  1227. if (pll->slave)
  1228. pll->slave->cached_cfg1 =
  1229. DSI_PLL_REG_R(pll->slave->phy_base,
  1230. PHY_CMN_CLK_CFG1);
  1231. }
  1232. dsi_pll_disable(vco);
  1233. }
  1234. static int vco_5nm_prepare(struct clk_hw *hw)
  1235. {
  1236. int rc = 0;
  1237. struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
  1238. struct dsi_pll_resource *pll = vco->priv;
  1239. if (!pll) {
  1240. pr_err("dsi pll resources are not available\n");
  1241. return -EINVAL;
  1242. }
  1243. /* Skip vco recalculation for continuous splash use case */
  1244. if (pll->handoff_resources) {
  1245. pll->pll_on = true;
  1246. return 0;
  1247. }
  1248. if ((pll->vco_cached_rate != 0) &&
  1249. (pll->vco_cached_rate == clk_hw_get_rate(hw))) {
  1250. rc = vco_5nm_set_rate(hw, pll->vco_cached_rate,
  1251. pll->vco_cached_rate);
  1252. if (rc) {
  1253. pr_err("pll(%d) set_rate failed, rc=%d\n",
  1254. pll->index, rc);
  1255. return rc;
  1256. }
  1257. pr_debug("cfg0=%d, cfg1=%d\n", pll->cached_cfg0,
  1258. pll->cached_cfg1);
  1259. DSI_PLL_REG_W(pll->phy_base, PHY_CMN_CLK_CFG0,
  1260. pll->cached_cfg0);
  1261. if (pll->slave)
  1262. DSI_PLL_REG_W(pll->slave->phy_base, PHY_CMN_CLK_CFG0,
  1263. pll->cached_cfg0);
  1264. DSI_PLL_REG_W(pll->pll_base, PLL_PLL_OUTDIV_RATE,
  1265. pll->cached_outdiv);
  1266. }
  1267. rc = dsi_pll_enable(vco);
  1268. return rc;
  1269. }
  1270. static unsigned long vco_5nm_recalc_rate(struct clk_hw *hw,
  1271. unsigned long parent_rate)
  1272. {
  1273. int rc = 0;
  1274. struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
  1275. struct dsi_pll_resource *pll = vco->priv;
  1276. if (!vco->priv) {
  1277. pr_err("vco priv is null\n");
  1278. return 0;
  1279. }
  1280. /*
  1281. * In the case when vco arte is set, the recalculation function should
  1282. * return the current rate as to avoid trying to set the vco rate
  1283. * again. However durng handoff, recalculation should set the flag
  1284. * according to the status of PLL.
  1285. */
  1286. if (pll->vco_current_rate != 0) {
  1287. pr_debug("returning vco rate = %lld\n", pll->vco_current_rate);
  1288. return pll->vco_current_rate;
  1289. }
  1290. pll->handoff_resources = true;
  1291. if (!dsi_pll_5nm_get_gdsc_status(pll)) {
  1292. pll->handoff_resources = false;
  1293. pr_err("Hand_off_resources not needed since gdsc is off\n");
  1294. return 0;
  1295. }
  1296. if (dsi_pll_5nm_lock_status(pll)) {
  1297. pr_err("PLL not enabled\n");
  1298. pll->handoff_resources = false;
  1299. }
  1300. pr_err("handoff_resources %s\n", pll->handoff_resources ? "true" : "false");
  1301. return rc;
  1302. }
  1303. static int pixel_clk_get_div(void *context, unsigned int reg, unsigned int *div)
  1304. {
  1305. struct dsi_pll_resource *pll = context;
  1306. u32 reg_val;
  1307. reg_val = DSI_PLL_REG_R(pll->phy_base, PHY_CMN_CLK_CFG0);
  1308. *div = (reg_val & 0xF0) >> 4;
  1309. return 0;
  1310. }
  1311. static void pixel_clk_set_div_sub(struct dsi_pll_resource *pll, int div)
  1312. {
  1313. u32 reg_val;
  1314. reg_val = DSI_PLL_REG_R(pll->phy_base, PHY_CMN_CLK_CFG0);
  1315. reg_val &= ~0xF0;
  1316. reg_val |= (div << 4);
  1317. DSI_PLL_REG_W(pll->phy_base, PHY_CMN_CLK_CFG0, reg_val);
  1318. /*
  1319. * cache the current parent index for cases where parent
  1320. * is not changing but rate is changing. In that case
  1321. * clock framework won't call parent_set and hence dsiclk_sel
  1322. * bit won't be programmed. e.g. dfps update use case.
  1323. */
  1324. pll->cached_cfg0 = reg_val;
  1325. }
  1326. static int pixel_clk_set_div(void *context, unsigned int reg, unsigned int div)
  1327. {
  1328. struct dsi_pll_resource *pll = context;
  1329. pixel_clk_set_div_sub(pll, div);
  1330. if (pll->slave)
  1331. pixel_clk_set_div_sub(pll->slave, div);
  1332. return 0;
  1333. }
  1334. static int bit_clk_get_div(void *context, unsigned int reg, unsigned int *div)
  1335. {
  1336. struct dsi_pll_resource *pll = context;
  1337. u32 reg_val;
  1338. reg_val = DSI_PLL_REG_R(pll->phy_base, PHY_CMN_CLK_CFG0);
  1339. *div = (reg_val & 0x0F);
  1340. return 0;
  1341. }
  1342. static void bit_clk_set_div_sub(struct dsi_pll_resource *rsc, int div)
  1343. {
  1344. u32 reg_val;
  1345. reg_val = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG0);
  1346. reg_val &= ~0x0F;
  1347. reg_val |= div;
  1348. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CLK_CFG0, reg_val);
  1349. }
  1350. static int bit_clk_set_div(void *context, unsigned int reg, unsigned int div)
  1351. {
  1352. struct dsi_pll_resource *rsc = context;
  1353. if (!rsc) {
  1354. pr_err("pll resource not found\n");
  1355. return -EINVAL;
  1356. }
  1357. bit_clk_set_div_sub(rsc, div);
  1358. /* For slave PLL, this divider always should be set to 1 */
  1359. if (rsc->slave)
  1360. bit_clk_set_div_sub(rsc->slave, 1);
  1361. return 0;
  1362. }
  1363. static struct regmap_config dsi_pll_5nm_config = {
  1364. .reg_bits = 32,
  1365. .reg_stride = 4,
  1366. .val_bits = 32,
  1367. .max_register = 0x7c0,
  1368. };
  1369. static struct regmap_bus pll_regmap_bus = {
  1370. .reg_write = pll_reg_write,
  1371. .reg_read = pll_reg_read,
  1372. };
  1373. static struct regmap_bus pclk_src_mux_regmap_bus = {
  1374. .reg_read = pclk_mux_read_sel,
  1375. .reg_write = pclk_mux_write_sel,
  1376. };
  1377. static struct regmap_bus cphy_pclk_src_mux_regmap_bus = {
  1378. .reg_read = cphy_pclk_mux_read_sel,
  1379. .reg_write = cphy_pclk_mux_write_sel,
  1380. };
  1381. static struct regmap_bus pclk_src_regmap_bus = {
  1382. .reg_write = pixel_clk_set_div,
  1383. .reg_read = pixel_clk_get_div,
  1384. };
  1385. static struct regmap_bus bitclk_src_regmap_bus = {
  1386. .reg_write = bit_clk_set_div,
  1387. .reg_read = bit_clk_get_div,
  1388. };
  1389. static const struct clk_ops clk_ops_vco_5nm = {
  1390. .recalc_rate = vco_5nm_recalc_rate,
  1391. .set_rate = vco_5nm_set_rate,
  1392. .round_rate = vco_5nm_round_rate,
  1393. .prepare = vco_5nm_prepare,
  1394. .unprepare = vco_5nm_unprepare,
  1395. };
  1396. static const struct clk_ops clk_ops_shadow_vco_5nm = {
  1397. .recalc_rate = vco_5nm_recalc_rate,
  1398. .set_rate = shadow_vco_5nm_set_rate,
  1399. .round_rate = vco_5nm_round_rate,
  1400. };
  1401. static struct regmap_bus dsi_mux_regmap_bus = {
  1402. .reg_write = dsi_set_mux_sel,
  1403. .reg_read = dsi_get_mux_sel,
  1404. };
  1405. /*
  1406. * Clock tree for generating DSI byte and pclk.
  1407. *
  1408. *
  1409. * +---------------+
  1410. * | vco_clk |
  1411. * +-------+-------+
  1412. * |
  1413. * |
  1414. * +---------------+
  1415. * | pll_out_div |
  1416. * | DIV(1,2,4,8) |
  1417. * +-------+-------+
  1418. * |
  1419. * +-----------------------------+-------+---------------+
  1420. * | | | |
  1421. * +-------v-------+ | | |
  1422. * | bitclk_src | |
  1423. * | DIV(1..15) | Not supported for DPHY |
  1424. * +-------+-------+ |
  1425. * | | | |
  1426. * +-------------v+---------+---------+ | | |
  1427. * | | | | | | |
  1428. * +-----v-----+ +-----v-----+ | +------v------+ | +-----v------+ +-----v------+
  1429. * |byteclk_src| |byteclk_src| | |post_bit_div | | |post_vco_div| |post_vco_div|
  1430. * | DIV(8) | | DIV(7) | | | DIV (2) | | | DIV(4) | | DIV(3.5) |
  1431. * +-----+-----+ +-----+-----+ | +------+------+ | +-----+------+ +------+-----+
  1432. * | | | | | | |
  1433. *Shadow Path | CPHY Path | | | | +----v
  1434. * + | | +------+ | | +---+ |
  1435. * +---+ | +-----+ | | | | |
  1436. * | | | +-v--v----v---v---+ +--------v--------+
  1437. * +---v--v--------v---+ \ pclk_src_mux / \ cphy_pclk_src /
  1438. * \ byteclk_mux / \ / \ mux /
  1439. * \ / +-----+-----+ +-----+-----+
  1440. * +------+------+ | Shadow Path |
  1441. * | | + |
  1442. * v +-----v------+ | +------v------+
  1443. * dsi_byte_clk | pclk_src | | |cphy_pclk_src|
  1444. * | DIV(1..15) | | | DIV(1..15) |
  1445. * +-----+------+ | +------+------+
  1446. * | | |
  1447. * | | CPHY Path
  1448. * | | |
  1449. * +-------+ | +-------+
  1450. * | | |
  1451. * +---v---v----v------+
  1452. * \ pclk_mux /
  1453. * +------+------+
  1454. * |
  1455. * v
  1456. * dsi_pclk
  1457. *
  1458. */
  1459. static struct dsi_pll_vco_clk dsi0pll_vco_clk = {
  1460. .ref_clk_rate = 19200000UL,
  1461. .min_rate = 1000000000UL,
  1462. .max_rate = 3500000000UL,
  1463. .hw.init = &(struct clk_init_data){
  1464. .name = "dsi0pll_vco_clk",
  1465. .parent_names = (const char *[]){"bi_tcxo"},
  1466. .num_parents = 1,
  1467. .ops = &clk_ops_vco_5nm,
  1468. },
  1469. };
  1470. static struct dsi_pll_vco_clk dsi0pll_shadow_vco_clk = {
  1471. .ref_clk_rate = 19200000UL,
  1472. .min_rate = 1000000000UL,
  1473. .max_rate = 3500000000UL,
  1474. .hw.init = &(struct clk_init_data){
  1475. .name = "dsi0pll_shadow_vco_clk",
  1476. .parent_names = (const char *[]){"bi_tcxo"},
  1477. .num_parents = 1,
  1478. .ops = &clk_ops_shadow_vco_5nm,
  1479. },
  1480. };
  1481. static struct dsi_pll_vco_clk dsi1pll_vco_clk = {
  1482. .ref_clk_rate = 19200000UL,
  1483. .min_rate = 1000000000UL,
  1484. .max_rate = 3500000000UL,
  1485. .hw.init = &(struct clk_init_data){
  1486. .name = "dsi1pll_vco_clk",
  1487. .parent_names = (const char *[]){"bi_tcxo"},
  1488. .num_parents = 1,
  1489. .ops = &clk_ops_vco_5nm,
  1490. },
  1491. };
  1492. static struct dsi_pll_vco_clk dsi1pll_shadow_vco_clk = {
  1493. .ref_clk_rate = 19200000UL,
  1494. .min_rate = 1000000000UL,
  1495. .max_rate = 3500000000UL,
  1496. .hw.init = &(struct clk_init_data){
  1497. .name = "dsi1pll_shadow_vco_clk",
  1498. .parent_names = (const char *[]){"bi_tcxo"},
  1499. .num_parents = 1,
  1500. .ops = &clk_ops_shadow_vco_5nm,
  1501. },
  1502. };
  1503. static struct clk_regmap_div dsi0pll_pll_out_div = {
  1504. .reg = PLL_PLL_OUTDIV_RATE,
  1505. .shift = 0,
  1506. .width = 2,
  1507. .flags = CLK_DIVIDER_POWER_OF_TWO,
  1508. .clkr = {
  1509. .hw.init = &(struct clk_init_data){
  1510. .name = "dsi0pll_pll_out_div",
  1511. .parent_names = (const char *[]){"dsi0pll_vco_clk"},
  1512. .num_parents = 1,
  1513. .flags = CLK_SET_RATE_PARENT,
  1514. .ops = &clk_regmap_div_ops,
  1515. },
  1516. },
  1517. };
  1518. static struct clk_regmap_div dsi0pll_shadow_pll_out_div = {
  1519. .reg = PLL_PLL_OUTDIV_RATE,
  1520. .shift = 0,
  1521. .width = 2,
  1522. .flags = CLK_DIVIDER_POWER_OF_TWO,
  1523. .clkr = {
  1524. .hw.init = &(struct clk_init_data){
  1525. .name = "dsi0pll_shadow_pll_out_div",
  1526. .parent_names = (const char *[]){
  1527. "dsi0pll_shadow_vco_clk"},
  1528. .num_parents = 1,
  1529. .flags = CLK_SET_RATE_PARENT,
  1530. .ops = &clk_regmap_div_ops,
  1531. },
  1532. },
  1533. };
  1534. static struct clk_regmap_div dsi1pll_pll_out_div = {
  1535. .reg = PLL_PLL_OUTDIV_RATE,
  1536. .shift = 0,
  1537. .width = 2,
  1538. .flags = CLK_DIVIDER_POWER_OF_TWO,
  1539. .clkr = {
  1540. .hw.init = &(struct clk_init_data){
  1541. .name = "dsi1pll_pll_out_div",
  1542. .parent_names = (const char *[]){"dsi1pll_vco_clk"},
  1543. .num_parents = 1,
  1544. .flags = CLK_SET_RATE_PARENT,
  1545. .ops = &clk_regmap_div_ops,
  1546. },
  1547. },
  1548. };
  1549. static struct clk_regmap_div dsi1pll_shadow_pll_out_div = {
  1550. .reg = PLL_PLL_OUTDIV_RATE,
  1551. .shift = 0,
  1552. .width = 2,
  1553. .flags = CLK_DIVIDER_POWER_OF_TWO,
  1554. .clkr = {
  1555. .hw.init = &(struct clk_init_data){
  1556. .name = "dsi1pll_shadow_pll_out_div",
  1557. .parent_names = (const char *[]){
  1558. "dsi1pll_shadow_vco_clk"},
  1559. .num_parents = 1,
  1560. .flags = CLK_SET_RATE_PARENT,
  1561. .ops = &clk_regmap_div_ops,
  1562. },
  1563. },
  1564. };
  1565. static struct clk_regmap_div dsi0pll_bitclk_src = {
  1566. .shift = 0,
  1567. .width = 4,
  1568. .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
  1569. .clkr = {
  1570. .hw.init = &(struct clk_init_data){
  1571. .name = "dsi0pll_bitclk_src",
  1572. .parent_names = (const char *[]){"dsi0pll_pll_out_div"},
  1573. .num_parents = 1,
  1574. .flags = CLK_SET_RATE_PARENT,
  1575. .ops = &clk_regmap_div_ops,
  1576. },
  1577. },
  1578. };
  1579. static struct clk_regmap_div dsi0pll_shadow_bitclk_src = {
  1580. .shift = 0,
  1581. .width = 4,
  1582. .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
  1583. .clkr = {
  1584. .hw.init = &(struct clk_init_data){
  1585. .name = "dsi0pll_shadow_bitclk_src",
  1586. .parent_names = (const char *[]){
  1587. "dsi0pll_shadow_pll_out_div"},
  1588. .num_parents = 1,
  1589. .flags = CLK_SET_RATE_PARENT,
  1590. .ops = &clk_regmap_div_ops,
  1591. },
  1592. },
  1593. };
  1594. static struct clk_regmap_div dsi1pll_bitclk_src = {
  1595. .shift = 0,
  1596. .width = 4,
  1597. .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
  1598. .clkr = {
  1599. .hw.init = &(struct clk_init_data){
  1600. .name = "dsi1pll_bitclk_src",
  1601. .parent_names = (const char *[]){"dsi1pll_pll_out_div"},
  1602. .num_parents = 1,
  1603. .flags = CLK_SET_RATE_PARENT,
  1604. .ops = &clk_regmap_div_ops,
  1605. },
  1606. },
  1607. };
  1608. static struct clk_regmap_div dsi1pll_shadow_bitclk_src = {
  1609. .shift = 0,
  1610. .width = 4,
  1611. .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
  1612. .clkr = {
  1613. .hw.init = &(struct clk_init_data){
  1614. .name = "dsi1pll_shadow_bitclk_src",
  1615. .parent_names = (const char *[]){
  1616. "dsi1pll_shadow_pll_out_div"},
  1617. .num_parents = 1,
  1618. .flags = CLK_SET_RATE_PARENT,
  1619. .ops = &clk_regmap_div_ops,
  1620. },
  1621. },
  1622. };
  1623. static struct clk_fixed_factor dsi0pll_post_vco_div = {
  1624. .div = 4,
  1625. .mult = 1,
  1626. .hw.init = &(struct clk_init_data){
  1627. .name = "dsi0pll_post_vco_div",
  1628. .parent_names = (const char *[]){"dsi0pll_pll_out_div"},
  1629. .num_parents = 1,
  1630. .ops = &clk_fixed_factor_ops,
  1631. },
  1632. };
  1633. static struct clk_fixed_factor dsi0pll_shadow_post_vco_div = {
  1634. .div = 4,
  1635. .mult = 1,
  1636. .hw.init = &(struct clk_init_data){
  1637. .name = "dsi0pll_shadow_post_vco_div",
  1638. .parent_names = (const char *[]){"dsi0pll_shadow_pll_out_div"},
  1639. .num_parents = 1,
  1640. .ops = &clk_fixed_factor_ops,
  1641. },
  1642. };
  1643. static struct clk_fixed_factor dsi1pll_post_vco_div = {
  1644. .div = 4,
  1645. .mult = 1,
  1646. .hw.init = &(struct clk_init_data){
  1647. .name = "dsi1pll_post_vco_div",
  1648. .parent_names = (const char *[]){"dsi1pll_pll_out_div"},
  1649. .num_parents = 1,
  1650. .ops = &clk_fixed_factor_ops,
  1651. },
  1652. };
  1653. static struct clk_fixed_factor dsi0pll_post_vco_div3_5 = {
  1654. .div = 7,
  1655. .mult = 2,
  1656. .hw.init = &(struct clk_init_data){
  1657. .name = "dsi0pll_post_vco_div3_5",
  1658. .parent_names = (const char *[]){"dsi0pll_pll_out_div"},
  1659. .num_parents = 1,
  1660. .ops = &clk_fixed_factor_ops,
  1661. },
  1662. };
  1663. static struct clk_fixed_factor dsi1pll_post_vco_div3_5 = {
  1664. .div = 7,
  1665. .mult = 2,
  1666. .hw.init = &(struct clk_init_data){
  1667. .name = "dsi1pll_post_vco_div3_5",
  1668. .parent_names = (const char *[]){"dsi1pll_pll_out_div"},
  1669. .num_parents = 1,
  1670. .ops = &clk_fixed_factor_ops,
  1671. },
  1672. };
  1673. static struct clk_fixed_factor dsi1pll_shadow_post_vco_div = {
  1674. .div = 4,
  1675. .mult = 1,
  1676. .hw.init = &(struct clk_init_data){
  1677. .name = "dsi1pll_shadow_post_vco_div",
  1678. .parent_names = (const char *[]){"dsi1pll_shadow_pll_out_div"},
  1679. .num_parents = 1,
  1680. .ops = &clk_fixed_factor_ops,
  1681. },
  1682. };
  1683. static struct clk_fixed_factor dsi0pll_byteclk_src = {
  1684. .div = 8,
  1685. .mult = 1,
  1686. .hw.init = &(struct clk_init_data){
  1687. .name = "dsi0pll_byteclk_src",
  1688. .parent_names = (const char *[]){"dsi0pll_bitclk_src"},
  1689. .num_parents = 1,
  1690. .flags = CLK_SET_RATE_PARENT,
  1691. .ops = &clk_fixed_factor_ops,
  1692. },
  1693. };
  1694. static struct clk_fixed_factor dsi0pll_shadow_byteclk_src = {
  1695. .div = 8,
  1696. .mult = 1,
  1697. .hw.init = &(struct clk_init_data){
  1698. .name = "dsi0pll_shadow_byteclk_src",
  1699. .parent_names = (const char *[]){"dsi0pll_shadow_bitclk_src"},
  1700. .num_parents = 1,
  1701. .flags = CLK_SET_RATE_PARENT,
  1702. .ops = &clk_fixed_factor_ops,
  1703. },
  1704. };
  1705. static struct clk_fixed_factor dsi1pll_byteclk_src = {
  1706. .div = 8,
  1707. .mult = 1,
  1708. .hw.init = &(struct clk_init_data){
  1709. .name = "dsi1pll_byteclk_src",
  1710. .parent_names = (const char *[]){"dsi1pll_bitclk_src"},
  1711. .num_parents = 1,
  1712. .flags = CLK_SET_RATE_PARENT,
  1713. .ops = &clk_fixed_factor_ops,
  1714. },
  1715. };
  1716. static struct clk_fixed_factor dsi0pll_cphy_byteclk_src = {
  1717. .div = 7,
  1718. .mult = 1,
  1719. .hw.init = &(struct clk_init_data){
  1720. .name = "dsi0pll_cphy_byteclk_src",
  1721. .parent_names = (const char *[]){"dsi0pll_bitclk_src"},
  1722. .num_parents = 1,
  1723. .flags = CLK_SET_RATE_PARENT,
  1724. .ops = &clk_fixed_factor_ops,
  1725. },
  1726. };
  1727. static struct clk_fixed_factor dsi1pll_cphy_byteclk_src = {
  1728. .div = 7,
  1729. .mult = 1,
  1730. .hw.init = &(struct clk_init_data){
  1731. .name = "dsi1pll_cphy_byteclk_src",
  1732. .parent_names = (const char *[]){"dsi1pll_bitclk_src"},
  1733. .num_parents = 1,
  1734. .flags = CLK_SET_RATE_PARENT,
  1735. .ops = &clk_fixed_factor_ops,
  1736. },
  1737. };
  1738. static struct clk_fixed_factor dsi1pll_shadow_byteclk_src = {
  1739. .div = 8,
  1740. .mult = 1,
  1741. .hw.init = &(struct clk_init_data){
  1742. .name = "dsi1pll_shadow_byteclk_src",
  1743. .parent_names = (const char *[]){"dsi1pll_shadow_bitclk_src"},
  1744. .num_parents = 1,
  1745. .flags = CLK_SET_RATE_PARENT,
  1746. .ops = &clk_fixed_factor_ops,
  1747. },
  1748. };
  1749. static struct clk_fixed_factor dsi0pll_post_bit_div = {
  1750. .div = 2,
  1751. .mult = 1,
  1752. .hw.init = &(struct clk_init_data){
  1753. .name = "dsi0pll_post_bit_div",
  1754. .parent_names = (const char *[]){"dsi0pll_bitclk_src"},
  1755. .num_parents = 1,
  1756. .ops = &clk_fixed_factor_ops,
  1757. },
  1758. };
  1759. static struct clk_fixed_factor dsi0pll_shadow_post_bit_div = {
  1760. .div = 2,
  1761. .mult = 1,
  1762. .hw.init = &(struct clk_init_data){
  1763. .name = "dsi0pll_shadow_post_bit_div",
  1764. .parent_names = (const char *[]){"dsi0pll_shadow_bitclk_src"},
  1765. .num_parents = 1,
  1766. .ops = &clk_fixed_factor_ops,
  1767. },
  1768. };
  1769. static struct clk_fixed_factor dsi1pll_post_bit_div = {
  1770. .div = 2,
  1771. .mult = 1,
  1772. .hw.init = &(struct clk_init_data){
  1773. .name = "dsi1pll_post_bit_div",
  1774. .parent_names = (const char *[]){"dsi1pll_bitclk_src"},
  1775. .num_parents = 1,
  1776. .ops = &clk_fixed_factor_ops,
  1777. },
  1778. };
  1779. static struct clk_fixed_factor dsi1pll_shadow_post_bit_div = {
  1780. .div = 2,
  1781. .mult = 1,
  1782. .hw.init = &(struct clk_init_data){
  1783. .name = "dsi1pll_shadow_post_bit_div",
  1784. .parent_names = (const char *[]){"dsi1pll_shadow_bitclk_src"},
  1785. .num_parents = 1,
  1786. .ops = &clk_fixed_factor_ops,
  1787. },
  1788. };
  1789. static struct clk_regmap_mux dsi0pll_byteclk_mux = {
  1790. .shift = 0,
  1791. .width = 1,
  1792. .clkr = {
  1793. .hw.init = &(struct clk_init_data){
  1794. .name = "dsi0_phy_pll_out_byteclk",
  1795. .parent_names = (const char *[]){"dsi0pll_byteclk_src",
  1796. "dsi0pll_shadow_byteclk_src",
  1797. "dsi0pll_cphy_byteclk_src"},
  1798. .num_parents = 3,
  1799. .flags = (CLK_SET_RATE_PARENT |
  1800. CLK_SET_RATE_NO_REPARENT),
  1801. .ops = &clk_regmap_mux_closest_ops,
  1802. },
  1803. },
  1804. };
  1805. static struct clk_regmap_mux dsi1pll_byteclk_mux = {
  1806. .shift = 0,
  1807. .width = 1,
  1808. .clkr = {
  1809. .hw.init = &(struct clk_init_data){
  1810. .name = "dsi1_phy_pll_out_byteclk",
  1811. .parent_names = (const char *[]){"dsi1pll_byteclk_src",
  1812. "dsi1pll_shadow_byteclk_src",
  1813. "dsi1pll_cphy_byteclk_src"},
  1814. .num_parents = 3,
  1815. .flags = (CLK_SET_RATE_PARENT |
  1816. CLK_SET_RATE_NO_REPARENT),
  1817. .ops = &clk_regmap_mux_closest_ops,
  1818. },
  1819. },
  1820. };
  1821. static struct clk_regmap_mux dsi0pll_pclk_src_mux = {
  1822. .reg = PHY_CMN_CLK_CFG1,
  1823. .shift = 0,
  1824. .width = 1,
  1825. .clkr = {
  1826. .hw.init = &(struct clk_init_data){
  1827. .name = "dsi0pll_pclk_src_mux",
  1828. .parent_names = (const char *[]){"dsi0pll_bitclk_src",
  1829. "dsi0pll_post_bit_div"},
  1830. .num_parents = 2,
  1831. .ops = &clk_regmap_mux_closest_ops,
  1832. },
  1833. },
  1834. };
  1835. static struct clk_regmap_mux dsi0pll_shadow_pclk_src_mux = {
  1836. .reg = PHY_CMN_CLK_CFG1,
  1837. .shift = 0,
  1838. .width = 1,
  1839. .clkr = {
  1840. .hw.init = &(struct clk_init_data){
  1841. .name = "dsi0pll_shadow_pclk_src_mux",
  1842. .parent_names = (const char *[]){
  1843. "dsi0pll_shadow_bitclk_src",
  1844. "dsi0pll_shadow_post_bit_div"},
  1845. .num_parents = 2,
  1846. .ops = &clk_regmap_mux_closest_ops,
  1847. },
  1848. },
  1849. };
  1850. static struct clk_regmap_mux dsi0pll_cphy_pclk_src_mux = {
  1851. .reg = PHY_CMN_CLK_CFG1,
  1852. .shift = 0,
  1853. .width = 2,
  1854. .clkr = {
  1855. .hw.init = &(struct clk_init_data){
  1856. .name = "dsi0pll_cphy_pclk_src_mux",
  1857. .parent_names =
  1858. (const char *[]){"dsi0pll_post_vco_div3_5"},
  1859. .num_parents = 1,
  1860. .ops = &clk_regmap_mux_closest_ops,
  1861. },
  1862. },
  1863. };
  1864. static struct clk_regmap_mux dsi1pll_pclk_src_mux = {
  1865. .reg = PHY_CMN_CLK_CFG1,
  1866. .shift = 0,
  1867. .width = 1,
  1868. .clkr = {
  1869. .hw.init = &(struct clk_init_data){
  1870. .name = "dsi1pll_pclk_src_mux",
  1871. .parent_names = (const char *[]){"dsi1pll_bitclk_src",
  1872. "dsi1pll_post_bit_div"},
  1873. .num_parents = 2,
  1874. .ops = &clk_regmap_mux_closest_ops,
  1875. },
  1876. },
  1877. };
  1878. static struct clk_regmap_mux dsi1pll_shadow_pclk_src_mux = {
  1879. .reg = PHY_CMN_CLK_CFG1,
  1880. .shift = 0,
  1881. .width = 1,
  1882. .clkr = {
  1883. .hw.init = &(struct clk_init_data){
  1884. .name = "dsi1pll_shadow_pclk_src_mux",
  1885. .parent_names = (const char *[]){
  1886. "dsi1pll_shadow_bitclk_src",
  1887. "dsi1pll_shadow_post_bit_div"},
  1888. .num_parents = 2,
  1889. .ops = &clk_regmap_mux_closest_ops,
  1890. },
  1891. },
  1892. };
  1893. static struct clk_regmap_mux dsi1pll_cphy_pclk_src_mux = {
  1894. .reg = PHY_CMN_CLK_CFG1,
  1895. .shift = 0,
  1896. .width = 2,
  1897. .clkr = {
  1898. .hw.init = &(struct clk_init_data){
  1899. .name = "dsi1pll_cphy_pclk_src_mux",
  1900. .parent_names =
  1901. (const char *[]){"dsi1pll_post_vco_div3_5"},
  1902. .num_parents = 1,
  1903. .ops = &clk_regmap_mux_closest_ops,
  1904. },
  1905. },
  1906. };
  1907. static struct clk_regmap_div dsi0pll_pclk_src = {
  1908. .shift = 0,
  1909. .width = 4,
  1910. .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
  1911. .clkr = {
  1912. .hw.init = &(struct clk_init_data){
  1913. .name = "dsi0pll_pclk_src",
  1914. .parent_names = (const char *[]){
  1915. "dsi0pll_pclk_src_mux"},
  1916. .num_parents = 1,
  1917. .flags = CLK_SET_RATE_PARENT,
  1918. .ops = &clk_regmap_div_ops,
  1919. },
  1920. },
  1921. };
  1922. static struct clk_regmap_div dsi0pll_shadow_pclk_src = {
  1923. .shift = 0,
  1924. .width = 4,
  1925. .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
  1926. .clkr = {
  1927. .hw.init = &(struct clk_init_data){
  1928. .name = "dsi0pll_shadow_pclk_src",
  1929. .parent_names = (const char *[]){
  1930. "dsi0pll_shadow_pclk_src_mux"},
  1931. .num_parents = 1,
  1932. .flags = CLK_SET_RATE_PARENT,
  1933. .ops = &clk_regmap_div_ops,
  1934. },
  1935. },
  1936. };
  1937. static struct clk_regmap_div dsi0pll_cphy_pclk_src = {
  1938. .shift = 0,
  1939. .width = 4,
  1940. .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
  1941. .clkr = {
  1942. .hw.init = &(struct clk_init_data){
  1943. .name = "dsi0pll_cphy_pclk_src",
  1944. .parent_names = (const char *[]){
  1945. "dsi0pll_cphy_pclk_src_mux"},
  1946. .num_parents = 1,
  1947. .flags = CLK_SET_RATE_PARENT,
  1948. .ops = &clk_regmap_div_ops,
  1949. },
  1950. },
  1951. };
  1952. static struct clk_regmap_div dsi1pll_pclk_src = {
  1953. .shift = 0,
  1954. .width = 4,
  1955. .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
  1956. .clkr = {
  1957. .hw.init = &(struct clk_init_data){
  1958. .name = "dsi1pll_pclk_src",
  1959. .parent_names = (const char *[]){
  1960. "dsi1pll_pclk_src_mux"},
  1961. .num_parents = 1,
  1962. .flags = CLK_SET_RATE_PARENT,
  1963. .ops = &clk_regmap_div_ops,
  1964. },
  1965. },
  1966. };
  1967. static struct clk_regmap_div dsi1pll_shadow_pclk_src = {
  1968. .shift = 0,
  1969. .width = 4,
  1970. .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
  1971. .clkr = {
  1972. .hw.init = &(struct clk_init_data){
  1973. .name = "dsi1pll_shadow_pclk_src",
  1974. .parent_names = (const char *[]){
  1975. "dsi1pll_shadow_pclk_src_mux"},
  1976. .num_parents = 1,
  1977. .flags = CLK_SET_RATE_PARENT,
  1978. .ops = &clk_regmap_div_ops,
  1979. },
  1980. },
  1981. };
  1982. static struct clk_regmap_div dsi1pll_cphy_pclk_src = {
  1983. .shift = 0,
  1984. .width = 4,
  1985. .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
  1986. .clkr = {
  1987. .hw.init = &(struct clk_init_data){
  1988. .name = "dsi1pll_cphy_pclk_src",
  1989. .parent_names = (const char *[]){
  1990. "dsi1pll_cphy_pclk_src_mux"},
  1991. .num_parents = 1,
  1992. .flags = CLK_SET_RATE_PARENT,
  1993. .ops = &clk_regmap_div_ops,
  1994. },
  1995. },
  1996. };
  1997. static struct clk_regmap_mux dsi0pll_pclk_mux = {
  1998. .shift = 0,
  1999. .width = 1,
  2000. .clkr = {
  2001. .hw.init = &(struct clk_init_data){
  2002. .name = "dsi0_phy_pll_out_dsiclk",
  2003. .parent_names = (const char *[]){"dsi0pll_pclk_src",
  2004. "dsi0pll_shadow_pclk_src",
  2005. "dsi0pll_cphy_pclk_src"},
  2006. .num_parents = 3,
  2007. .flags = (CLK_SET_RATE_PARENT |
  2008. CLK_SET_RATE_NO_REPARENT),
  2009. .ops = &clk_regmap_mux_closest_ops,
  2010. },
  2011. },
  2012. };
  2013. static struct clk_regmap_mux dsi1pll_pclk_mux = {
  2014. .shift = 0,
  2015. .width = 1,
  2016. .clkr = {
  2017. .hw.init = &(struct clk_init_data){
  2018. .name = "dsi1_phy_pll_out_dsiclk",
  2019. .parent_names = (const char *[]){"dsi1pll_pclk_src",
  2020. "dsi1pll_shadow_pclk_src",
  2021. "dsi1pll_cphy_pclk_src"},
  2022. .num_parents = 3,
  2023. .flags = (CLK_SET_RATE_PARENT |
  2024. CLK_SET_RATE_NO_REPARENT),
  2025. .ops = &clk_regmap_mux_closest_ops,
  2026. },
  2027. },
  2028. };
  2029. static struct clk_hw *dsi_pllcc_5nm[] = {
  2030. [VCO_CLK_0] = &dsi0pll_vco_clk.hw,
  2031. [PLL_OUT_DIV_0_CLK] = &dsi0pll_pll_out_div.clkr.hw,
  2032. [BITCLK_SRC_0_CLK] = &dsi0pll_bitclk_src.clkr.hw,
  2033. [BYTECLK_SRC_0_CLK] = &dsi0pll_byteclk_src.hw,
  2034. [CPHY_BYTECLK_SRC_0_CLK] = &dsi0pll_cphy_byteclk_src.hw,
  2035. [POST_BIT_DIV_0_CLK] = &dsi0pll_post_bit_div.hw,
  2036. [POST_VCO_DIV_0_CLK] = &dsi0pll_post_vco_div.hw,
  2037. [POST_VCO_DIV3_5_0_CLK] = &dsi0pll_post_vco_div3_5.hw,
  2038. [BYTECLK_MUX_0_CLK] = &dsi0pll_byteclk_mux.clkr.hw,
  2039. [PCLK_SRC_MUX_0_CLK] = &dsi0pll_pclk_src_mux.clkr.hw,
  2040. [PCLK_SRC_0_CLK] = &dsi0pll_pclk_src.clkr.hw,
  2041. [PCLK_MUX_0_CLK] = &dsi0pll_pclk_mux.clkr.hw,
  2042. [CPHY_PCLK_SRC_MUX_0_CLK] = &dsi0pll_cphy_pclk_src_mux.clkr.hw,
  2043. [CPHY_PCLK_SRC_0_CLK] = &dsi0pll_cphy_pclk_src.clkr.hw,
  2044. [SHADOW_VCO_CLK_0] = &dsi0pll_shadow_vco_clk.hw,
  2045. [SHADOW_PLL_OUT_DIV_0_CLK] = &dsi0pll_shadow_pll_out_div.clkr.hw,
  2046. [SHADOW_BITCLK_SRC_0_CLK] = &dsi0pll_shadow_bitclk_src.clkr.hw,
  2047. [SHADOW_BYTECLK_SRC_0_CLK] = &dsi0pll_shadow_byteclk_src.hw,
  2048. [SHADOW_POST_BIT_DIV_0_CLK] = &dsi0pll_shadow_post_bit_div.hw,
  2049. [SHADOW_POST_VCO_DIV_0_CLK] = &dsi0pll_shadow_post_vco_div.hw,
  2050. [SHADOW_PCLK_SRC_MUX_0_CLK] = &dsi0pll_shadow_pclk_src_mux.clkr.hw,
  2051. [SHADOW_PCLK_SRC_0_CLK] = &dsi0pll_shadow_pclk_src.clkr.hw,
  2052. [VCO_CLK_1] = &dsi1pll_vco_clk.hw,
  2053. [PLL_OUT_DIV_1_CLK] = &dsi1pll_pll_out_div.clkr.hw,
  2054. [BITCLK_SRC_1_CLK] = &dsi1pll_bitclk_src.clkr.hw,
  2055. [BYTECLK_SRC_1_CLK] = &dsi1pll_byteclk_src.hw,
  2056. [CPHY_BYTECLK_SRC_1_CLK] = &dsi1pll_cphy_byteclk_src.hw,
  2057. [POST_BIT_DIV_1_CLK] = &dsi1pll_post_bit_div.hw,
  2058. [POST_VCO_DIV_1_CLK] = &dsi1pll_post_vco_div.hw,
  2059. [POST_VCO_DIV3_5_1_CLK] = &dsi1pll_post_vco_div3_5.hw,
  2060. [BYTECLK_MUX_1_CLK] = &dsi1pll_byteclk_mux.clkr.hw,
  2061. [PCLK_SRC_MUX_1_CLK] = &dsi1pll_pclk_src_mux.clkr.hw,
  2062. [PCLK_SRC_1_CLK] = &dsi1pll_pclk_src.clkr.hw,
  2063. [PCLK_MUX_1_CLK] = &dsi1pll_pclk_mux.clkr.hw,
  2064. [CPHY_PCLK_SRC_MUX_1_CLK] = &dsi1pll_cphy_pclk_src_mux.clkr.hw,
  2065. [CPHY_PCLK_SRC_1_CLK] = &dsi1pll_cphy_pclk_src.clkr.hw,
  2066. [SHADOW_VCO_CLK_1] = &dsi1pll_shadow_vco_clk.hw,
  2067. [SHADOW_PLL_OUT_DIV_1_CLK] = &dsi1pll_shadow_pll_out_div.clkr.hw,
  2068. [SHADOW_BITCLK_SRC_1_CLK] = &dsi1pll_shadow_bitclk_src.clkr.hw,
  2069. [SHADOW_BYTECLK_SRC_1_CLK] = &dsi1pll_shadow_byteclk_src.hw,
  2070. [SHADOW_POST_BIT_DIV_1_CLK] = &dsi1pll_shadow_post_bit_div.hw,
  2071. [SHADOW_POST_VCO_DIV_1_CLK] = &dsi1pll_shadow_post_vco_div.hw,
  2072. [SHADOW_PCLK_SRC_MUX_1_CLK] = &dsi1pll_shadow_pclk_src_mux.clkr.hw,
  2073. [SHADOW_PCLK_SRC_1_CLK] = &dsi1pll_shadow_pclk_src.clkr.hw,
  2074. };
  2075. int dsi_pll_clock_register_5nm(struct platform_device *pdev,
  2076. struct dsi_pll_resource *pll_res)
  2077. {
  2078. int rc = 0, ndx, i;
  2079. struct clk *clk;
  2080. struct clk_onecell_data *clk_data;
  2081. int num_clks = ARRAY_SIZE(dsi_pllcc_5nm);
  2082. struct regmap *rmap;
  2083. struct regmap_config *rmap_config;
  2084. if (!pdev || !pdev->dev.of_node ||
  2085. !pll_res || !pll_res->pll_base || !pll_res->phy_base) {
  2086. pr_err("Invalid params\n");
  2087. return -EINVAL;
  2088. }
  2089. ndx = pll_res->index;
  2090. if (ndx >= DSI_PLL_MAX) {
  2091. pr_err("pll index(%d) NOT supported\n", ndx);
  2092. return -EINVAL;
  2093. }
  2094. pll_rsc_db[ndx] = pll_res;
  2095. plls[ndx].rsc = pll_res;
  2096. pll_res->priv = &plls[ndx];
  2097. pll_res->vco_delay = VCO_DELAY_USEC;
  2098. clk_data = devm_kzalloc(&pdev->dev, sizeof(struct clk_onecell_data),
  2099. GFP_KERNEL);
  2100. if (!clk_data)
  2101. return -ENOMEM;
  2102. clk_data->clks = devm_kzalloc(&pdev->dev, (num_clks *
  2103. sizeof(struct clk *)), GFP_KERNEL);
  2104. if (!clk_data->clks)
  2105. return -ENOMEM;
  2106. clk_data->clk_num = num_clks;
  2107. rmap_config = devm_kmemdup(&pdev->dev, &dsi_pll_5nm_config,
  2108. sizeof(struct regmap_config), GFP_KERNEL);
  2109. if (!rmap_config)
  2110. return -ENOMEM;
  2111. /* Establish client data */
  2112. if (ndx == 0) {
  2113. rmap_config->name = "pll_out";
  2114. rmap = devm_regmap_init(&pdev->dev, &pll_regmap_bus,
  2115. pll_res, rmap_config);
  2116. dsi0pll_pll_out_div.clkr.regmap = rmap;
  2117. dsi0pll_shadow_pll_out_div.clkr.regmap = rmap;
  2118. rmap_config->name = "bitclk_src";
  2119. rmap = devm_regmap_init(&pdev->dev, &bitclk_src_regmap_bus,
  2120. pll_res, rmap_config);
  2121. dsi0pll_bitclk_src.clkr.regmap = rmap;
  2122. dsi0pll_shadow_bitclk_src.clkr.regmap = rmap;
  2123. rmap_config->name = "pclk_src";
  2124. rmap = devm_regmap_init(&pdev->dev, &pclk_src_regmap_bus,
  2125. pll_res, rmap_config);
  2126. dsi0pll_pclk_src.clkr.regmap = rmap;
  2127. dsi0pll_cphy_pclk_src.clkr.regmap = rmap;
  2128. dsi0pll_shadow_pclk_src.clkr.regmap = rmap;
  2129. rmap_config->name = "pclk_mux";
  2130. rmap = devm_regmap_init(&pdev->dev, &dsi_mux_regmap_bus,
  2131. pll_res, rmap_config);
  2132. dsi0pll_pclk_mux.clkr.regmap = rmap;
  2133. rmap_config->name = "pclk_src_mux";
  2134. rmap = devm_regmap_init(&pdev->dev, &pclk_src_mux_regmap_bus,
  2135. pll_res, rmap_config);
  2136. dsi0pll_pclk_src_mux.clkr.regmap = rmap;
  2137. dsi0pll_shadow_pclk_src_mux.clkr.regmap = rmap;
  2138. rmap_config->name = "cphy_pclk_src_mux";
  2139. rmap = devm_regmap_init(&pdev->dev,
  2140. &cphy_pclk_src_mux_regmap_bus,
  2141. pll_res, rmap_config);
  2142. dsi0pll_cphy_pclk_src_mux.clkr.regmap = rmap;
  2143. rmap_config->name = "byteclk_mux";
  2144. rmap = devm_regmap_init(&pdev->dev, &dsi_mux_regmap_bus,
  2145. pll_res, rmap_config);
  2146. dsi0pll_byteclk_mux.clkr.regmap = rmap;
  2147. dsi0pll_vco_clk.priv = pll_res;
  2148. dsi0pll_shadow_vco_clk.priv = pll_res;
  2149. if (dsi_pll_5nm_is_hw_revision(pll_res)) {
  2150. dsi0pll_vco_clk.min_rate = 600000000;
  2151. dsi0pll_vco_clk.max_rate = 5000000000;
  2152. dsi0pll_shadow_vco_clk.min_rate = 600000000;
  2153. dsi0pll_shadow_vco_clk.max_rate = 5000000000;
  2154. }
  2155. for (i = VCO_CLK_0; i <= CPHY_PCLK_SRC_0_CLK; i++) {
  2156. clk = devm_clk_register(&pdev->dev,
  2157. dsi_pllcc_5nm[i]);
  2158. if (IS_ERR(clk)) {
  2159. pr_err("clk registration failed for DSI clock:%d\n",
  2160. pll_res->index);
  2161. rc = -EINVAL;
  2162. goto clk_register_fail;
  2163. }
  2164. clk_data->clks[i] = clk;
  2165. }
  2166. rc = of_clk_add_provider(pdev->dev.of_node,
  2167. of_clk_src_onecell_get, clk_data);
  2168. } else {
  2169. rmap_config->name = "pll_out";
  2170. rmap = devm_regmap_init(&pdev->dev, &pll_regmap_bus,
  2171. pll_res, rmap_config);
  2172. dsi1pll_pll_out_div.clkr.regmap = rmap;
  2173. dsi1pll_shadow_pll_out_div.clkr.regmap = rmap;
  2174. rmap_config->name = "bitclk_src";
  2175. rmap = devm_regmap_init(&pdev->dev, &bitclk_src_regmap_bus,
  2176. pll_res, rmap_config);
  2177. dsi1pll_bitclk_src.clkr.regmap = rmap;
  2178. dsi1pll_shadow_bitclk_src.clkr.regmap = rmap;
  2179. rmap_config->name = "pclk_src";
  2180. rmap = devm_regmap_init(&pdev->dev, &pclk_src_regmap_bus,
  2181. pll_res, rmap_config);
  2182. dsi1pll_pclk_src.clkr.regmap = rmap;
  2183. dsi1pll_cphy_pclk_src.clkr.regmap = rmap;
  2184. dsi1pll_shadow_pclk_src.clkr.regmap = rmap;
  2185. rmap_config->name = "pclk_mux";
  2186. rmap = devm_regmap_init(&pdev->dev, &dsi_mux_regmap_bus,
  2187. pll_res, rmap_config);
  2188. dsi1pll_pclk_mux.clkr.regmap = rmap;
  2189. rmap_config->name = "pclk_src_mux";
  2190. rmap = devm_regmap_init(&pdev->dev, &pclk_src_mux_regmap_bus,
  2191. pll_res, rmap_config);
  2192. dsi1pll_pclk_src_mux.clkr.regmap = rmap;
  2193. dsi1pll_shadow_pclk_src_mux.clkr.regmap = rmap;
  2194. rmap_config->name = "cphy_pclk_src_mux";
  2195. rmap = devm_regmap_init(&pdev->dev,
  2196. &cphy_pclk_src_mux_regmap_bus,
  2197. pll_res, rmap_config);
  2198. dsi1pll_cphy_pclk_src_mux.clkr.regmap = rmap;
  2199. rmap_config->name = "byteclk_mut";
  2200. rmap = devm_regmap_init(&pdev->dev, &dsi_mux_regmap_bus,
  2201. pll_res, rmap_config);
  2202. dsi1pll_byteclk_mux.clkr.regmap = rmap;
  2203. dsi1pll_vco_clk.priv = pll_res;
  2204. dsi1pll_shadow_vco_clk.priv = pll_res;
  2205. if (dsi_pll_5nm_is_hw_revision(pll_res)) {
  2206. dsi1pll_vco_clk.min_rate = 600000000;
  2207. dsi1pll_vco_clk.max_rate = 5000000000;
  2208. dsi1pll_shadow_vco_clk.min_rate = 600000000;
  2209. dsi1pll_shadow_vco_clk.max_rate = 5000000000;
  2210. }
  2211. for (i = VCO_CLK_1; i <= CPHY_PCLK_SRC_1_CLK; i++) {
  2212. clk = devm_clk_register(&pdev->dev,
  2213. dsi_pllcc_5nm[i]);
  2214. if (IS_ERR(clk)) {
  2215. pr_err("clk registration failed for DSI clock:%d\n",
  2216. pll_res->index);
  2217. rc = -EINVAL;
  2218. goto clk_register_fail;
  2219. }
  2220. clk_data->clks[i] = clk;
  2221. }
  2222. rc = of_clk_add_provider(pdev->dev.of_node,
  2223. of_clk_src_onecell_get, clk_data);
  2224. }
  2225. if (!rc) {
  2226. pr_info("Registered DSI PLL ndx=%d, clocks successfully\n",
  2227. ndx);
  2228. return rc;
  2229. }
  2230. clk_register_fail:
  2231. return rc;
  2232. }