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