dsi_pll_10nm.c 60 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351135213531354135513561357135813591360136113621363136413651366136713681369137013711372137313741375137613771378137913801381138213831384138513861387138813891390139113921393139413951396139713981399140014011402140314041405140614071408140914101411141214131414141514161417141814191420142114221423142414251426142714281429143014311432143314341435143614371438143914401441144214431444144514461447144814491450145114521453145414551456145714581459146014611462146314641465146614671468146914701471147214731474147514761477147814791480148114821483148414851486148714881489149014911492149314941495149614971498149915001501150215031504150515061507150815091510151115121513151415151516151715181519152015211522152315241525152615271528152915301531153215331534153515361537153815391540154115421543154415451546154715481549155015511552155315541555155615571558155915601561156215631564156515661567156815691570157115721573157415751576157715781579158015811582158315841585158615871588158915901591159215931594159515961597159815991600160116021603160416051606160716081609161016111612161316141615161616171618161916201621162216231624162516261627162816291630163116321633163416351636163716381639164016411642164316441645164616471648164916501651165216531654165516561657165816591660166116621663166416651666166716681669167016711672167316741675167616771678167916801681168216831684168516861687168816891690169116921693169416951696169716981699170017011702170317041705170617071708170917101711171217131714171517161717171817191720172117221723172417251726172717281729173017311732173317341735173617371738173917401741174217431744174517461747174817491750175117521753175417551756175717581759176017611762176317641765176617671768176917701771177217731774177517761777177817791780178117821783178417851786178717881789179017911792179317941795179617971798179918001801180218031804180518061807180818091810181118121813181418151816181718181819182018211822182318241825182618271828182918301831183218331834183518361837183818391840184118421843184418451846184718481849185018511852185318541855185618571858185918601861186218631864186518661867186818691870187118721873187418751876187718781879188018811882188318841885188618871888188918901891189218931894189518961897189818991900190119021903190419051906190719081909191019111912191319141915191619171918191919201921192219231924192519261927192819291930193119321933193419351936193719381939194019411942194319441945194619471948194919501951195219531954195519561957195819591960196119621963196419651966196719681969197019711972197319741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026202720282029203020312032203320342035203620372038203920402041204220432044204520462047204820492050205120522053205420552056205720582059206020612062206320642065206620672068206920702071207220732074
  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 "dsi_pll.h"
  11. #include <dt-bindings/clock/mdss-10nm-pll-clk.h>
  12. #define VCO_DELAY_USEC 1
  13. #define MHZ_250 250000000UL
  14. #define MHZ_500 500000000UL
  15. #define MHZ_1000 1000000000UL
  16. #define MHZ_1100 1100000000UL
  17. #define MHZ_1900 1900000000UL
  18. #define MHZ_3000 3000000000UL
  19. /* Register Offsets from PLL base address */
  20. #define PLL_ANALOG_CONTROLS_ONE 0x000
  21. #define PLL_ANALOG_CONTROLS_TWO 0x004
  22. #define PLL_INT_LOOP_SETTINGS 0x008
  23. #define PLL_INT_LOOP_SETTINGS_TWO 0x00c
  24. #define PLL_ANALOG_CONTROLS_THREE 0x010
  25. #define PLL_ANALOG_CONTROLS_FOUR 0x014
  26. #define PLL_INT_LOOP_CONTROLS 0x018
  27. #define PLL_DSM_DIVIDER 0x01c
  28. #define PLL_FEEDBACK_DIVIDER 0x020
  29. #define PLL_SYSTEM_MUXES 0x024
  30. #define PLL_FREQ_UPDATE_CONTROL_OVERRIDES 0x028
  31. #define PLL_CMODE 0x02c
  32. #define PLL_CALIBRATION_SETTINGS 0x030
  33. #define PLL_BAND_SEL_CAL_TIMER_LOW 0x034
  34. #define PLL_BAND_SEL_CAL_TIMER_HIGH 0x038
  35. #define PLL_BAND_SEL_CAL_SETTINGS 0x03c
  36. #define PLL_BAND_SEL_MIN 0x040
  37. #define PLL_BAND_SEL_MAX 0x044
  38. #define PLL_BAND_SEL_PFILT 0x048
  39. #define PLL_BAND_SEL_IFILT 0x04c
  40. #define PLL_BAND_SEL_CAL_SETTINGS_TWO 0x050
  41. #define PLL_BAND_SEL_CAL_SETTINGS_THREE 0x054
  42. #define PLL_BAND_SEL_CAL_SETTINGS_FOUR 0x058
  43. #define PLL_BAND_SEL_ICODE_HIGH 0x05c
  44. #define PLL_BAND_SEL_ICODE_LOW 0x060
  45. #define PLL_FREQ_DETECT_SETTINGS_ONE 0x064
  46. #define PLL_PFILT 0x07c
  47. #define PLL_IFILT 0x080
  48. #define PLL_GAIN 0x084
  49. #define PLL_ICODE_LOW 0x088
  50. #define PLL_ICODE_HIGH 0x08c
  51. #define PLL_LOCKDET 0x090
  52. #define PLL_OUTDIV 0x094
  53. #define PLL_FASTLOCK_CONTROL 0x098
  54. #define PLL_PASS_OUT_OVERRIDE_ONE 0x09c
  55. #define PLL_PASS_OUT_OVERRIDE_TWO 0x0a0
  56. #define PLL_CORE_OVERRIDE 0x0a4
  57. #define PLL_CORE_INPUT_OVERRIDE 0x0a8
  58. #define PLL_RATE_CHANGE 0x0ac
  59. #define PLL_PLL_DIGITAL_TIMERS 0x0b0
  60. #define PLL_PLL_DIGITAL_TIMERS_TWO 0x0b4
  61. #define PLL_DEC_FRAC_MUXES 0x0c8
  62. #define PLL_DECIMAL_DIV_START_1 0x0cc
  63. #define PLL_FRAC_DIV_START_LOW_1 0x0d0
  64. #define PLL_FRAC_DIV_START_MID_1 0x0d4
  65. #define PLL_FRAC_DIV_START_HIGH_1 0x0d8
  66. #define PLL_MASH_CONTROL 0x0ec
  67. #define PLL_SSC_MUX_CONTROL 0x108
  68. #define PLL_SSC_STEPSIZE_LOW_1 0x10c
  69. #define PLL_SSC_STEPSIZE_HIGH_1 0x110
  70. #define PLL_SSC_DIV_PER_LOW_1 0x114
  71. #define PLL_SSC_DIV_PER_HIGH_1 0x118
  72. #define PLL_SSC_DIV_ADJPER_LOW_1 0x11c
  73. #define PLL_SSC_DIV_ADJPER_HIGH_1 0x120
  74. #define PLL_SSC_CONTROL 0x13c
  75. #define PLL_PLL_OUTDIV_RATE 0x140
  76. #define PLL_PLL_LOCKDET_RATE_1 0x144
  77. #define PLL_PLL_PROP_GAIN_RATE_1 0x14c
  78. #define PLL_PLL_BAND_SET_RATE_1 0x154
  79. #define PLL_PLL_INT_GAIN_IFILT_BAND_1 0x15c
  80. #define PLL_PLL_FL_INT_GAIN_PFILT_BAND_1 0x164
  81. #define PLL_FASTLOCK_EN_BAND 0x16c
  82. #define PLL_FREQ_TUNE_ACCUM_INIT_LOW 0x170
  83. #define PLL_FREQ_TUNE_ACCUM_INIT_MID 0x174
  84. #define PLL_FREQ_TUNE_ACCUM_INIT_HIGH 0x178
  85. #define PLL_FREQ_TUNE_ACCUM_INIT_MUX 0x17c
  86. #define PLL_PLL_LOCK_OVERRIDE 0x180
  87. #define PLL_PLL_LOCK_DELAY 0x184
  88. #define PLL_PLL_LOCK_MIN_DELAY 0x188
  89. #define PLL_CLOCK_INVERTERS 0x18c
  90. #define PLL_SPARE_AND_JPC_OVERRIDES 0x190
  91. #define PLL_BIAS_CONTROL_1 0x194
  92. #define PLL_BIAS_CONTROL_2 0x198
  93. #define PLL_ALOG_OBSV_BUS_CTRL_1 0x19c
  94. #define PLL_COMMON_STATUS_ONE 0x1a0
  95. /* Register Offsets from PHY base address */
  96. #define PHY_CMN_CLK_CFG0 0x010
  97. #define PHY_CMN_CLK_CFG1 0x014
  98. #define PHY_CMN_RBUF_CTRL 0x01c
  99. #define PHY_CMN_PLL_CNTRL 0x038
  100. #define PHY_CMN_CTRL_0 0x024
  101. #define PHY_CMN_CTRL_2 0x02c
  102. /* Bit definition of SSC control registers */
  103. #define SSC_CENTER BIT(0)
  104. #define SSC_EN BIT(1)
  105. #define SSC_FREQ_UPDATE BIT(2)
  106. #define SSC_FREQ_UPDATE_MUX BIT(3)
  107. #define SSC_UPDATE_SSC BIT(4)
  108. #define SSC_UPDATE_SSC_MUX BIT(5)
  109. #define SSC_START BIT(6)
  110. #define SSC_START_MUX BIT(7)
  111. /* Dynamic Refresh Control Registers */
  112. #define DSI_DYNAMIC_REFRESH_PLL_CTRL0 (0x014)
  113. #define DSI_DYNAMIC_REFRESH_PLL_CTRL1 (0x018)
  114. #define DSI_DYNAMIC_REFRESH_PLL_CTRL2 (0x01C)
  115. #define DSI_DYNAMIC_REFRESH_PLL_CTRL3 (0x020)
  116. #define DSI_DYNAMIC_REFRESH_PLL_CTRL4 (0x024)
  117. #define DSI_DYNAMIC_REFRESH_PLL_CTRL5 (0x028)
  118. #define DSI_DYNAMIC_REFRESH_PLL_CTRL6 (0x02C)
  119. #define DSI_DYNAMIC_REFRESH_PLL_CTRL7 (0x030)
  120. #define DSI_DYNAMIC_REFRESH_PLL_CTRL8 (0x034)
  121. #define DSI_DYNAMIC_REFRESH_PLL_CTRL9 (0x038)
  122. #define DSI_DYNAMIC_REFRESH_PLL_CTRL10 (0x03C)
  123. #define DSI_DYNAMIC_REFRESH_PLL_CTRL11 (0x040)
  124. #define DSI_DYNAMIC_REFRESH_PLL_CTRL12 (0x044)
  125. #define DSI_DYNAMIC_REFRESH_PLL_CTRL13 (0x048)
  126. #define DSI_DYNAMIC_REFRESH_PLL_CTRL14 (0x04C)
  127. #define DSI_DYNAMIC_REFRESH_PLL_CTRL15 (0x050)
  128. #define DSI_DYNAMIC_REFRESH_PLL_CTRL16 (0x054)
  129. #define DSI_DYNAMIC_REFRESH_PLL_CTRL17 (0x058)
  130. #define DSI_DYNAMIC_REFRESH_PLL_CTRL18 (0x05C)
  131. #define DSI_DYNAMIC_REFRESH_PLL_CTRL19 (0x060)
  132. #define DSI_DYNAMIC_REFRESH_PLL_CTRL20 (0x064)
  133. #define DSI_DYNAMIC_REFRESH_PLL_CTRL21 (0x068)
  134. #define DSI_DYNAMIC_REFRESH_PLL_CTRL22 (0x06C)
  135. #define DSI_DYNAMIC_REFRESH_PLL_CTRL23 (0x070)
  136. #define DSI_DYNAMIC_REFRESH_PLL_CTRL24 (0x074)
  137. #define DSI_DYNAMIC_REFRESH_PLL_CTRL25 (0x078)
  138. #define DSI_DYNAMIC_REFRESH_PLL_CTRL26 (0x07C)
  139. #define DSI_DYNAMIC_REFRESH_PLL_CTRL27 (0x080)
  140. #define DSI_DYNAMIC_REFRESH_PLL_CTRL28 (0x084)
  141. #define DSI_DYNAMIC_REFRESH_PLL_CTRL29 (0x088)
  142. #define DSI_DYNAMIC_REFRESH_PLL_CTRL30 (0x08C)
  143. #define DSI_DYNAMIC_REFRESH_PLL_CTRL31 (0x090)
  144. #define DSI_DYNAMIC_REFRESH_PLL_UPPER_ADDR (0x094)
  145. #define DSI_DYNAMIC_REFRESH_PLL_UPPER_ADDR2 (0x098)
  146. #define DSI_PHY_TO_PLL_OFFSET (0x600)
  147. enum {
  148. DSI_PLL_0,
  149. DSI_PLL_1,
  150. DSI_PLL_MAX
  151. };
  152. struct dsi_pll_regs {
  153. u32 pll_prop_gain_rate;
  154. u32 pll_lockdet_rate;
  155. u32 decimal_div_start;
  156. u32 frac_div_start_low;
  157. u32 frac_div_start_mid;
  158. u32 frac_div_start_high;
  159. u32 pll_clock_inverters;
  160. u32 ssc_stepsize_low;
  161. u32 ssc_stepsize_high;
  162. u32 ssc_div_per_low;
  163. u32 ssc_div_per_high;
  164. u32 ssc_adjper_low;
  165. u32 ssc_adjper_high;
  166. u32 ssc_control;
  167. };
  168. struct dsi_pll_config {
  169. u32 ref_freq;
  170. bool div_override;
  171. u32 output_div;
  172. bool ignore_frac;
  173. bool disable_prescaler;
  174. bool enable_ssc;
  175. bool ssc_center;
  176. u32 dec_bits;
  177. u32 frac_bits;
  178. u32 lock_timer;
  179. u32 ssc_freq;
  180. u32 ssc_offset;
  181. u32 ssc_adj_per;
  182. u32 thresh_cycles;
  183. u32 refclk_cycles;
  184. };
  185. struct dsi_pll_10nm {
  186. struct dsi_pll_resource *rsc;
  187. struct dsi_pll_config pll_configuration;
  188. struct dsi_pll_regs reg_setup;
  189. };
  190. static inline int pll_reg_read(void *context, unsigned int reg,
  191. unsigned int *val)
  192. {
  193. int rc = 0;
  194. u32 data;
  195. struct dsi_pll_resource *rsc = context;
  196. data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CTRL_0);
  197. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CTRL_0, data | BIT(5));
  198. ndelay(250);
  199. *val = DSI_PLL_REG_R(rsc->pll_base, reg);
  200. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CTRL_0, data);
  201. return rc;
  202. }
  203. static inline int pll_reg_write(void *context, unsigned int reg,
  204. unsigned int val)
  205. {
  206. int rc = 0;
  207. struct dsi_pll_resource *rsc = context;
  208. DSI_PLL_REG_W(rsc->pll_base, reg, val);
  209. return rc;
  210. }
  211. static inline int phy_reg_read(void *context, unsigned int reg,
  212. unsigned int *val)
  213. {
  214. int rc = 0;
  215. struct dsi_pll_resource *rsc = context;
  216. *val = DSI_PLL_REG_R(rsc->phy_base, reg);
  217. return rc;
  218. }
  219. static inline int phy_reg_write(void *context, unsigned int reg,
  220. unsigned int val)
  221. {
  222. int rc = 0;
  223. struct dsi_pll_resource *rsc = context;
  224. DSI_PLL_REG_W(rsc->phy_base, reg, val);
  225. return rc;
  226. }
  227. static inline int phy_reg_update_bits_sub(struct dsi_pll_resource *rsc,
  228. unsigned int reg, unsigned int mask, unsigned int val)
  229. {
  230. u32 reg_val;
  231. reg_val = DSI_PLL_REG_R(rsc->phy_base, reg);
  232. reg_val &= ~mask;
  233. reg_val |= (val & mask);
  234. DSI_PLL_REG_W(rsc->phy_base, reg, reg_val);
  235. return 0;
  236. }
  237. static inline int phy_reg_update_bits(void *context, unsigned int reg,
  238. unsigned int mask, unsigned int val)
  239. {
  240. int rc = 0;
  241. struct dsi_pll_resource *rsc = context;
  242. rc = phy_reg_update_bits_sub(rsc, reg, mask, val);
  243. if (!rc && rsc->slave)
  244. rc = phy_reg_update_bits_sub(rsc->slave, reg, mask, val);
  245. return rc;
  246. }
  247. static inline int pclk_mux_read_sel(void *context, unsigned int reg,
  248. unsigned int *val)
  249. {
  250. int rc = 0;
  251. struct dsi_pll_resource *rsc = context;
  252. *val = (DSI_PLL_REG_R(rsc->phy_base, reg) & 0x3);
  253. return rc;
  254. }
  255. static inline int pclk_mux_write_sel_sub(struct dsi_pll_resource *rsc,
  256. unsigned int reg, unsigned int val)
  257. {
  258. u32 reg_val;
  259. reg_val = DSI_PLL_REG_R(rsc->phy_base, reg);
  260. reg_val &= ~0x03;
  261. reg_val |= val;
  262. DSI_PLL_REG_W(rsc->phy_base, reg, reg_val);
  263. return 0;
  264. }
  265. static inline int pclk_mux_write_sel(void *context, unsigned int reg,
  266. unsigned int val)
  267. {
  268. int rc = 0;
  269. struct dsi_pll_resource *rsc = context;
  270. rc = pclk_mux_write_sel_sub(rsc, reg, val);
  271. if (!rc && rsc->slave)
  272. rc = pclk_mux_write_sel_sub(rsc->slave, reg, val);
  273. /*
  274. * cache the current parent index for cases where parent
  275. * is not changing but rate is changing. In that case
  276. * clock framework won't call parent_set and hence dsiclk_sel
  277. * bit won't be programmed. e.g. dfps update use case.
  278. */
  279. rsc->cached_cfg1 = val;
  280. return rc;
  281. }
  282. static int dsi_pll_10nm_get_gdsc_status(struct dsi_pll_resource *rsc)
  283. {
  284. u32 reg = 0;
  285. bool status;
  286. reg = DSI_PLL_REG_R(rsc->gdsc_base, 0x0);
  287. status = reg & BIT(31);
  288. pr_err("reg:0x%x status:%d\n", reg, status);
  289. return status;
  290. }
  291. static struct dsi_pll_resource *pll_rsc_db[DSI_PLL_MAX];
  292. static struct dsi_pll_10nm plls[DSI_PLL_MAX];
  293. static void dsi_pll_config_slave(struct dsi_pll_resource *rsc)
  294. {
  295. u32 reg;
  296. struct dsi_pll_resource *orsc = pll_rsc_db[DSI_PLL_1];
  297. if (!rsc)
  298. return;
  299. /* Only DSI PLL0 can act as a master */
  300. if (rsc->index != DSI_PLL_0)
  301. return;
  302. /* default configuration: source is either internal or ref clock */
  303. rsc->slave = NULL;
  304. if (!orsc) {
  305. pr_debug("slave PLL unavilable, assuming standalone config\n");
  306. return;
  307. }
  308. /* check to see if the source of DSI1 PLL bitclk is set to external */
  309. reg = DSI_PLL_REG_R(orsc->phy_base, PHY_CMN_CLK_CFG1);
  310. reg &= (BIT(2) | BIT(3));
  311. if (reg == 0x04)
  312. rsc->slave = pll_rsc_db[DSI_PLL_1]; /* external source */
  313. pr_debug("Slave PLL %s\n", rsc->slave ? "configured" : "absent");
  314. }
  315. static void dsi_pll_setup_config(struct dsi_pll_10nm *pll,
  316. struct dsi_pll_resource *rsc)
  317. {
  318. struct dsi_pll_config *config = &pll->pll_configuration;
  319. config->ref_freq = 19200000;
  320. config->output_div = 1;
  321. config->dec_bits = 8;
  322. config->frac_bits = 18;
  323. config->lock_timer = 64;
  324. config->ssc_freq = 31500;
  325. config->ssc_offset = 5000;
  326. config->ssc_adj_per = 2;
  327. config->thresh_cycles = 32;
  328. config->refclk_cycles = 256;
  329. config->div_override = false;
  330. config->ignore_frac = false;
  331. config->disable_prescaler = false;
  332. config->enable_ssc = rsc->ssc_en;
  333. config->ssc_center = rsc->ssc_center;
  334. if (config->enable_ssc) {
  335. if (rsc->ssc_freq)
  336. config->ssc_freq = rsc->ssc_freq;
  337. if (rsc->ssc_ppm)
  338. config->ssc_offset = rsc->ssc_ppm;
  339. }
  340. dsi_pll_config_slave(rsc);
  341. }
  342. static void dsi_pll_calc_dec_frac(struct dsi_pll_10nm *pll,
  343. struct dsi_pll_resource *rsc)
  344. {
  345. struct dsi_pll_config *config = &pll->pll_configuration;
  346. struct dsi_pll_regs *regs = &pll->reg_setup;
  347. u64 fref = rsc->vco_ref_clk_rate;
  348. u64 pll_freq;
  349. u64 divider;
  350. u64 dec, dec_multiple;
  351. u32 frac;
  352. u64 multiplier;
  353. pll_freq = rsc->vco_current_rate;
  354. if (config->disable_prescaler)
  355. divider = fref;
  356. else
  357. divider = fref * 2;
  358. multiplier = 1 << config->frac_bits;
  359. dec_multiple = div_u64(pll_freq * multiplier, divider);
  360. div_u64_rem(dec_multiple, multiplier, &frac);
  361. dec = div_u64(dec_multiple, multiplier);
  362. if (pll_freq <= MHZ_1900)
  363. regs->pll_prop_gain_rate = 8;
  364. else if (pll_freq <= MHZ_3000)
  365. regs->pll_prop_gain_rate = 10;
  366. else
  367. regs->pll_prop_gain_rate = 12;
  368. if (pll_freq < MHZ_1100)
  369. regs->pll_clock_inverters = 8;
  370. else
  371. regs->pll_clock_inverters = 0;
  372. regs->pll_lockdet_rate = config->lock_timer;
  373. regs->decimal_div_start = dec;
  374. regs->frac_div_start_low = (frac & 0xff);
  375. regs->frac_div_start_mid = (frac & 0xff00) >> 8;
  376. regs->frac_div_start_high = (frac & 0x30000) >> 16;
  377. }
  378. static void dsi_pll_calc_ssc(struct dsi_pll_10nm *pll,
  379. struct dsi_pll_resource *rsc)
  380. {
  381. struct dsi_pll_config *config = &pll->pll_configuration;
  382. struct dsi_pll_regs *regs = &pll->reg_setup;
  383. u32 ssc_per;
  384. u32 ssc_mod;
  385. u64 ssc_step_size;
  386. u64 frac;
  387. if (!config->enable_ssc) {
  388. pr_debug("SSC not enabled\n");
  389. return;
  390. }
  391. ssc_per = DIV_ROUND_CLOSEST(config->ref_freq, config->ssc_freq) / 2 - 1;
  392. ssc_mod = (ssc_per + 1) % (config->ssc_adj_per + 1);
  393. ssc_per -= ssc_mod;
  394. frac = regs->frac_div_start_low |
  395. (regs->frac_div_start_mid << 8) |
  396. (regs->frac_div_start_high << 16);
  397. ssc_step_size = regs->decimal_div_start;
  398. ssc_step_size *= (1 << config->frac_bits);
  399. ssc_step_size += frac;
  400. ssc_step_size *= config->ssc_offset;
  401. ssc_step_size *= (config->ssc_adj_per + 1);
  402. ssc_step_size = div_u64(ssc_step_size, (ssc_per + 1));
  403. ssc_step_size = DIV_ROUND_CLOSEST_ULL(ssc_step_size, 1000000);
  404. regs->ssc_div_per_low = ssc_per & 0xFF;
  405. regs->ssc_div_per_high = (ssc_per & 0xFF00) >> 8;
  406. regs->ssc_stepsize_low = (u32)(ssc_step_size & 0xFF);
  407. regs->ssc_stepsize_high = (u32)((ssc_step_size & 0xFF00) >> 8);
  408. regs->ssc_adjper_low = config->ssc_adj_per & 0xFF;
  409. regs->ssc_adjper_high = (config->ssc_adj_per & 0xFF00) >> 8;
  410. regs->ssc_control = config->ssc_center ? SSC_CENTER : 0;
  411. pr_debug("SCC: Dec:%d, frac:%llu, frac_bits:%d\n",
  412. regs->decimal_div_start, frac, config->frac_bits);
  413. pr_debug("SSC: div_per:0x%X, stepsize:0x%X, adjper:0x%X\n",
  414. ssc_per, (u32)ssc_step_size, config->ssc_adj_per);
  415. }
  416. static void dsi_pll_ssc_commit(struct dsi_pll_10nm *pll,
  417. struct dsi_pll_resource *rsc)
  418. {
  419. void __iomem *pll_base = rsc->pll_base;
  420. struct dsi_pll_regs *regs = &pll->reg_setup;
  421. if (pll->pll_configuration.enable_ssc) {
  422. pr_debug("SSC is enabled\n");
  423. DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_LOW_1,
  424. regs->ssc_stepsize_low);
  425. DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_HIGH_1,
  426. regs->ssc_stepsize_high);
  427. DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_LOW_1,
  428. regs->ssc_div_per_low);
  429. DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_HIGH_1,
  430. regs->ssc_div_per_high);
  431. DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_ADJPER_LOW_1,
  432. regs->ssc_adjper_low);
  433. DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_ADJPER_HIGH_1,
  434. regs->ssc_adjper_high);
  435. DSI_PLL_REG_W(pll_base, PLL_SSC_CONTROL,
  436. SSC_EN | regs->ssc_control);
  437. }
  438. }
  439. static void dsi_pll_config_hzindep_reg(struct dsi_pll_10nm *pll,
  440. struct dsi_pll_resource *rsc)
  441. {
  442. void __iomem *pll_base = rsc->pll_base;
  443. DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_ONE, 0x80);
  444. DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_TWO, 0x03);
  445. DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_THREE, 0x00);
  446. DSI_PLL_REG_W(pll_base, PLL_DSM_DIVIDER, 0x00);
  447. DSI_PLL_REG_W(pll_base, PLL_FEEDBACK_DIVIDER, 0x4e);
  448. DSI_PLL_REG_W(pll_base, PLL_CALIBRATION_SETTINGS, 0x40);
  449. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_SETTINGS_THREE, 0xba);
  450. DSI_PLL_REG_W(pll_base, PLL_FREQ_DETECT_SETTINGS_ONE, 0x0c);
  451. DSI_PLL_REG_W(pll_base, PLL_OUTDIV, 0x00);
  452. DSI_PLL_REG_W(pll_base, PLL_CORE_OVERRIDE, 0x00);
  453. DSI_PLL_REG_W(pll_base, PLL_PLL_DIGITAL_TIMERS_TWO, 0x08);
  454. DSI_PLL_REG_W(pll_base, PLL_PLL_PROP_GAIN_RATE_1, 0x08);
  455. DSI_PLL_REG_W(pll_base, PLL_PLL_BAND_SET_RATE_1, 0xc0);
  456. DSI_PLL_REG_W(pll_base, PLL_PLL_INT_GAIN_IFILT_BAND_1, 0xfa);
  457. DSI_PLL_REG_W(pll_base, PLL_PLL_FL_INT_GAIN_PFILT_BAND_1, 0x4c);
  458. DSI_PLL_REG_W(pll_base, PLL_PLL_LOCK_OVERRIDE, 0x80);
  459. DSI_PLL_REG_W(pll_base, PLL_PFILT, 0x29);
  460. DSI_PLL_REG_W(pll_base, PLL_IFILT, 0x3f);
  461. }
  462. static void dsi_pll_init_val(struct dsi_pll_resource *rsc)
  463. {
  464. void __iomem *pll_base = rsc->pll_base;
  465. DSI_PLL_REG_W(pll_base, PLL_CORE_INPUT_OVERRIDE, 0x10);
  466. DSI_PLL_REG_W(pll_base, PLL_INT_LOOP_SETTINGS, 0x3f);
  467. DSI_PLL_REG_W(pll_base, PLL_INT_LOOP_SETTINGS_TWO, 0x0);
  468. DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_FOUR, 0x0);
  469. DSI_PLL_REG_W(pll_base, PLL_INT_LOOP_CONTROLS, 0x80);
  470. DSI_PLL_REG_W(pll_base, PLL_FREQ_UPDATE_CONTROL_OVERRIDES, 0x0);
  471. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_TIMER_LOW, 0x0);
  472. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_TIMER_HIGH, 0x02);
  473. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_SETTINGS, 0x82);
  474. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_MIN, 0x00);
  475. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_MAX, 0xff);
  476. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_PFILT, 0x00);
  477. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_IFILT, 0x00);
  478. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_SETTINGS_TWO, 0x25);
  479. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_SETTINGS_FOUR, 0x4f);
  480. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_ICODE_HIGH, 0x0a);
  481. DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_ICODE_LOW, 0x0);
  482. DSI_PLL_REG_W(pll_base, PLL_GAIN, 0x42);
  483. DSI_PLL_REG_W(pll_base, PLL_ICODE_LOW, 0x00);
  484. DSI_PLL_REG_W(pll_base, PLL_ICODE_HIGH, 0x00);
  485. DSI_PLL_REG_W(pll_base, PLL_LOCKDET, 0x30);
  486. DSI_PLL_REG_W(pll_base, PLL_FASTLOCK_CONTROL, 0x04);
  487. DSI_PLL_REG_W(pll_base, PLL_PASS_OUT_OVERRIDE_ONE, 0x00);
  488. DSI_PLL_REG_W(pll_base, PLL_PASS_OUT_OVERRIDE_TWO, 0x00);
  489. DSI_PLL_REG_W(pll_base, PLL_RATE_CHANGE, 0x01);
  490. DSI_PLL_REG_W(pll_base, PLL_PLL_DIGITAL_TIMERS, 0x08);
  491. DSI_PLL_REG_W(pll_base, PLL_DEC_FRAC_MUXES, 0x00);
  492. DSI_PLL_REG_W(pll_base, PLL_MASH_CONTROL, 0x03);
  493. DSI_PLL_REG_W(pll_base, PLL_SSC_MUX_CONTROL, 0x0);
  494. DSI_PLL_REG_W(pll_base, PLL_SSC_CONTROL, 0x0);
  495. DSI_PLL_REG_W(pll_base, PLL_FASTLOCK_EN_BAND, 0x03);
  496. DSI_PLL_REG_W(pll_base, PLL_FREQ_TUNE_ACCUM_INIT_MUX, 0x0);
  497. DSI_PLL_REG_W(pll_base, PLL_PLL_LOCK_MIN_DELAY, 0x19);
  498. DSI_PLL_REG_W(pll_base, PLL_SPARE_AND_JPC_OVERRIDES, 0x0);
  499. DSI_PLL_REG_W(pll_base, PLL_BIAS_CONTROL_1, 0x40);
  500. DSI_PLL_REG_W(pll_base, PLL_BIAS_CONTROL_2, 0x20);
  501. DSI_PLL_REG_W(pll_base, PLL_ALOG_OBSV_BUS_CTRL_1, 0x0);
  502. }
  503. static void dsi_pll_commit(struct dsi_pll_10nm *pll,
  504. struct dsi_pll_resource *rsc)
  505. {
  506. void __iomem *pll_base = rsc->pll_base;
  507. struct dsi_pll_regs *reg = &pll->reg_setup;
  508. DSI_PLL_REG_W(pll_base, PLL_CORE_INPUT_OVERRIDE, 0x12);
  509. DSI_PLL_REG_W(pll_base, PLL_DECIMAL_DIV_START_1,
  510. reg->decimal_div_start);
  511. DSI_PLL_REG_W(pll_base, PLL_FRAC_DIV_START_LOW_1,
  512. reg->frac_div_start_low);
  513. DSI_PLL_REG_W(pll_base, PLL_FRAC_DIV_START_MID_1,
  514. reg->frac_div_start_mid);
  515. DSI_PLL_REG_W(pll_base, PLL_FRAC_DIV_START_HIGH_1,
  516. reg->frac_div_start_high);
  517. DSI_PLL_REG_W(pll_base, PLL_PLL_LOCKDET_RATE_1, 0x40);
  518. DSI_PLL_REG_W(pll_base, PLL_PLL_LOCK_DELAY, 0x06);
  519. DSI_PLL_REG_W(pll_base, PLL_CMODE, 0x10);
  520. DSI_PLL_REG_W(pll_base, PLL_CLOCK_INVERTERS, reg->pll_clock_inverters);
  521. }
  522. static int vco_10nm_set_rate(struct clk_hw *hw, unsigned long rate,
  523. unsigned long parent_rate)
  524. {
  525. struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
  526. struct dsi_pll_resource *rsc = vco->priv;
  527. struct dsi_pll_10nm *pll;
  528. if (!rsc) {
  529. pr_err("pll resource not found\n");
  530. return -EINVAL;
  531. }
  532. if (rsc->pll_on)
  533. return 0;
  534. pll = rsc->priv;
  535. if (!pll) {
  536. pr_err("pll configuration not found\n");
  537. return -EINVAL;
  538. }
  539. pr_debug("ndx=%d, rate=%lu\n", rsc->index, rate);
  540. rsc->vco_current_rate = rate;
  541. rsc->vco_ref_clk_rate = vco->ref_clk_rate;
  542. rsc->dfps_trigger = false;
  543. dsi_pll_init_val(rsc);
  544. dsi_pll_setup_config(pll, rsc);
  545. dsi_pll_calc_dec_frac(pll, rsc);
  546. dsi_pll_calc_ssc(pll, rsc);
  547. dsi_pll_commit(pll, rsc);
  548. dsi_pll_config_hzindep_reg(pll, rsc);
  549. dsi_pll_ssc_commit(pll, rsc);
  550. /* flush, ensure all register writes are done*/
  551. wmb();
  552. return 0;
  553. }
  554. static int dsi_pll_read_stored_trim_codes(struct dsi_pll_resource *pll_res,
  555. unsigned long vco_clk_rate)
  556. {
  557. int i;
  558. bool found = false;
  559. if (!pll_res->dfps)
  560. return -EINVAL;
  561. for (i = 0; i < pll_res->dfps->vco_rate_cnt; i++) {
  562. struct dfps_codes_info *codes_info =
  563. &pll_res->dfps->codes_dfps[i];
  564. pr_debug("valid=%d vco_rate=%d, code %d %d %d\n",
  565. codes_info->is_valid, codes_info->clk_rate,
  566. codes_info->pll_codes.pll_codes_1,
  567. codes_info->pll_codes.pll_codes_2,
  568. codes_info->pll_codes.pll_codes_3);
  569. if (vco_clk_rate != codes_info->clk_rate &&
  570. codes_info->is_valid)
  571. continue;
  572. pll_res->cache_pll_trim_codes[0] =
  573. codes_info->pll_codes.pll_codes_1;
  574. pll_res->cache_pll_trim_codes[1] =
  575. codes_info->pll_codes.pll_codes_2;
  576. pll_res->cache_pll_trim_codes[2] =
  577. codes_info->pll_codes.pll_codes_3;
  578. found = true;
  579. break;
  580. }
  581. if (!found)
  582. return -EINVAL;
  583. pr_debug("trim_code_0=0x%x trim_code_1=0x%x trim_code_2=0x%x\n",
  584. pll_res->cache_pll_trim_codes[0],
  585. pll_res->cache_pll_trim_codes[1],
  586. pll_res->cache_pll_trim_codes[2]);
  587. return 0;
  588. }
  589. static void shadow_dsi_pll_dynamic_refresh_10nm(struct dsi_pll_10nm *pll,
  590. struct dsi_pll_resource *rsc)
  591. {
  592. u32 data;
  593. u32 offset = DSI_PHY_TO_PLL_OFFSET;
  594. u32 upper_addr = 0;
  595. struct dsi_pll_regs *reg = &pll->reg_setup;
  596. data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG1);
  597. data &= ~BIT(5);
  598. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL0,
  599. PHY_CMN_CLK_CFG1, PHY_CMN_PLL_CNTRL, data, 0);
  600. upper_addr |= (upper_8_bit(PHY_CMN_CLK_CFG1) << 0);
  601. upper_addr |= (upper_8_bit(PHY_CMN_PLL_CNTRL) << 1);
  602. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL1,
  603. PHY_CMN_RBUF_CTRL,
  604. (PLL_DECIMAL_DIV_START_1 + offset),
  605. 0, reg->decimal_div_start);
  606. upper_addr |= (upper_8_bit(PHY_CMN_RBUF_CTRL) << 2);
  607. upper_addr |= (upper_8_bit(PLL_DECIMAL_DIV_START_1 + offset) << 3);
  608. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL2,
  609. (PLL_FRAC_DIV_START_LOW_1 + offset),
  610. (PLL_FRAC_DIV_START_MID_1 + offset),
  611. reg->frac_div_start_low, reg->frac_div_start_mid);
  612. upper_addr |= (upper_8_bit(PLL_FRAC_DIV_START_LOW_1 + offset) << 4);
  613. upper_addr |= (upper_8_bit(PLL_FRAC_DIV_START_MID_1 + offset) << 5);
  614. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL3,
  615. (PLL_FRAC_DIV_START_HIGH_1 + offset),
  616. (PLL_PLL_PROP_GAIN_RATE_1 + offset),
  617. reg->frac_div_start_high, reg->pll_prop_gain_rate);
  618. upper_addr |= (upper_8_bit(PLL_FRAC_DIV_START_HIGH_1 + offset) << 6);
  619. upper_addr |= (upper_8_bit(PLL_PLL_PROP_GAIN_RATE_1 + offset) << 7);
  620. data = DSI_PLL_REG_R(rsc->pll_base, PLL_PLL_OUTDIV_RATE) & 0x03;
  621. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL4,
  622. (PLL_PLL_OUTDIV_RATE + offset),
  623. (PLL_FREQ_TUNE_ACCUM_INIT_LOW + offset),
  624. data, 0);
  625. upper_addr |= (upper_8_bit(PLL_PLL_OUTDIV_RATE + offset) << 8);
  626. upper_addr |= (upper_8_bit(PLL_FREQ_TUNE_ACCUM_INIT_LOW + offset) << 9);
  627. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL5,
  628. (PLL_FREQ_TUNE_ACCUM_INIT_MID + offset),
  629. (PLL_FREQ_TUNE_ACCUM_INIT_HIGH + offset),
  630. rsc->cache_pll_trim_codes[1],
  631. rsc->cache_pll_trim_codes[0]);
  632. upper_addr |=
  633. (upper_8_bit(PLL_FREQ_TUNE_ACCUM_INIT_MID + offset) << 10);
  634. upper_addr |=
  635. (upper_8_bit(PLL_FREQ_TUNE_ACCUM_INIT_HIGH + offset) << 11);
  636. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL6,
  637. (PLL_FREQ_TUNE_ACCUM_INIT_MUX + offset),
  638. (PLL_PLL_BAND_SET_RATE_1 + offset),
  639. 0x07, rsc->cache_pll_trim_codes[2]);
  640. upper_addr |=
  641. (upper_8_bit(PLL_FREQ_TUNE_ACCUM_INIT_MUX + offset) << 12);
  642. upper_addr |= (upper_8_bit(PLL_PLL_BAND_SET_RATE_1 + offset) << 13);
  643. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL7,
  644. (PLL_CALIBRATION_SETTINGS + offset),
  645. (PLL_BAND_SEL_CAL_SETTINGS + offset), 0x44, 0x3a);
  646. upper_addr |= (upper_8_bit(PLL_CALIBRATION_SETTINGS + offset) << 14);
  647. upper_addr |= (upper_8_bit(PLL_BAND_SEL_CAL_SETTINGS + offset) << 15);
  648. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL8,
  649. (PLL_PLL_LOCKDET_RATE_1 + offset),
  650. (PLL_PLL_LOCK_DELAY + offset), 0x10, 0x06);
  651. upper_addr |= (upper_8_bit(PLL_PLL_LOCKDET_RATE_1 + offset) << 16);
  652. upper_addr |= (upper_8_bit(PLL_PLL_LOCK_DELAY + offset) << 17);
  653. data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG0);
  654. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL17,
  655. PHY_CMN_CTRL_2, PHY_CMN_CLK_CFG0, 0x40, data);
  656. if (rsc->slave)
  657. DSI_DYN_PLL_REG_W(rsc->slave->dyn_pll_base,
  658. DSI_DYNAMIC_REFRESH_PLL_CTRL10,
  659. PHY_CMN_CLK_CFG0, PHY_CMN_CTRL_0,
  660. data, 0x7f);
  661. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL18,
  662. PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
  663. /* Dummy register writes */
  664. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL19,
  665. PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
  666. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL20,
  667. PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
  668. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL21,
  669. PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
  670. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL22,
  671. PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
  672. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL23,
  673. PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
  674. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL24,
  675. PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
  676. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL25,
  677. PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
  678. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL26,
  679. PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
  680. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL27,
  681. PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
  682. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL28,
  683. PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
  684. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL29,
  685. PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
  686. /* Registers to configure after PLL enable delay */
  687. data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG1) | BIT(5);
  688. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL30,
  689. PHY_CMN_CLK_CFG1, PHY_CMN_RBUF_CTRL, data, 0x01);
  690. DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL31,
  691. PHY_CMN_CLK_CFG1, PHY_CMN_CLK_CFG1, data, data);
  692. if (rsc->slave) {
  693. data = DSI_PLL_REG_R(rsc->slave->phy_base, PHY_CMN_CLK_CFG1) |
  694. BIT(5);
  695. DSI_DYN_PLL_REG_W(rsc->slave->dyn_pll_base,
  696. DSI_DYNAMIC_REFRESH_PLL_CTRL30,
  697. PHY_CMN_CLK_CFG1, PHY_CMN_RBUF_CTRL,
  698. data, 0x01);
  699. DSI_DYN_PLL_REG_W(rsc->slave->dyn_pll_base,
  700. DSI_DYNAMIC_REFRESH_PLL_CTRL31,
  701. PHY_CMN_CLK_CFG1, PHY_CMN_CLK_CFG1,
  702. data, data);
  703. }
  704. DSI_PLL_REG_W(rsc->dyn_pll_base,
  705. DSI_DYNAMIC_REFRESH_PLL_UPPER_ADDR, upper_addr);
  706. DSI_PLL_REG_W(rsc->dyn_pll_base,
  707. DSI_DYNAMIC_REFRESH_PLL_UPPER_ADDR2, 0);
  708. wmb(); /* commit register writes */
  709. }
  710. static int shadow_vco_10nm_set_rate(struct clk_hw *hw, unsigned long rate,
  711. unsigned long parent_rate)
  712. {
  713. int rc;
  714. struct dsi_pll_10nm *pll;
  715. struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
  716. struct dsi_pll_resource *rsc = vco->priv;
  717. if (!rsc) {
  718. pr_err("pll resource not found\n");
  719. return -EINVAL;
  720. }
  721. pll = rsc->priv;
  722. if (!pll) {
  723. pr_err("pll configuration not found\n");
  724. return -EINVAL;
  725. }
  726. rc = dsi_pll_read_stored_trim_codes(rsc, rate);
  727. if (rc) {
  728. pr_err("cannot find pll codes rate=%ld\n", rate);
  729. return -EINVAL;
  730. }
  731. pr_debug("ndx=%d, rate=%lu\n", rsc->index, rate);
  732. rsc->vco_current_rate = rate;
  733. rsc->vco_ref_clk_rate = vco->ref_clk_rate;
  734. dsi_pll_setup_config(pll, rsc);
  735. dsi_pll_calc_dec_frac(pll, rsc);
  736. /* program dynamic refresh control registers */
  737. shadow_dsi_pll_dynamic_refresh_10nm(pll, rsc);
  738. /* update cached vco rate */
  739. rsc->vco_cached_rate = rate;
  740. rsc->dfps_trigger = true;
  741. return 0;
  742. }
  743. static int dsi_pll_10nm_lock_status(struct dsi_pll_resource *pll)
  744. {
  745. int rc;
  746. u32 status;
  747. u32 const delay_us = 100;
  748. u32 const timeout_us = 5000;
  749. rc = readl_poll_timeout_atomic(pll->pll_base + PLL_COMMON_STATUS_ONE,
  750. status,
  751. ((status & BIT(0)) > 0),
  752. delay_us,
  753. timeout_us);
  754. if (rc)
  755. pr_err("DSI PLL(%d) lock failed, status=0x%08x\n",
  756. pll->index, status);
  757. return rc;
  758. }
  759. static void dsi_pll_disable_pll_bias(struct dsi_pll_resource *rsc)
  760. {
  761. u32 data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CTRL_0);
  762. DSI_PLL_REG_W(rsc->pll_base, PLL_SYSTEM_MUXES, 0);
  763. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CTRL_0, data & ~BIT(5));
  764. ndelay(250);
  765. }
  766. static void dsi_pll_enable_pll_bias(struct dsi_pll_resource *rsc)
  767. {
  768. u32 data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CTRL_0);
  769. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CTRL_0, data | BIT(5));
  770. DSI_PLL_REG_W(rsc->pll_base, PLL_SYSTEM_MUXES, 0xc0);
  771. ndelay(250);
  772. }
  773. static void dsi_pll_disable_global_clk(struct dsi_pll_resource *rsc)
  774. {
  775. u32 data;
  776. data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG1);
  777. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CLK_CFG1, (data & ~BIT(5)));
  778. }
  779. static void dsi_pll_enable_global_clk(struct dsi_pll_resource *rsc)
  780. {
  781. u32 data;
  782. data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG1);
  783. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CLK_CFG1, (data | BIT(5)));
  784. }
  785. static int dsi_pll_enable(struct dsi_pll_vco_clk *vco)
  786. {
  787. int rc;
  788. struct dsi_pll_resource *rsc = vco->priv;
  789. dsi_pll_enable_pll_bias(rsc);
  790. if (rsc->slave)
  791. dsi_pll_enable_pll_bias(rsc->slave);
  792. phy_reg_update_bits_sub(rsc, PHY_CMN_CLK_CFG1, 0x03, rsc->cached_cfg1);
  793. if (rsc->slave)
  794. phy_reg_update_bits_sub(rsc->slave, PHY_CMN_CLK_CFG1,
  795. 0x03, rsc->slave->cached_cfg1);
  796. wmb(); /* ensure dsiclk_sel is always programmed before pll start */
  797. /* Start PLL */
  798. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_PLL_CNTRL, 0x01);
  799. /*
  800. * ensure all PLL configurations are written prior to checking
  801. * for PLL lock.
  802. */
  803. wmb();
  804. /* Check for PLL lock */
  805. rc = dsi_pll_10nm_lock_status(rsc);
  806. if (rc) {
  807. pr_err("PLL(%d) lock failed\n", rsc->index);
  808. goto error;
  809. }
  810. rsc->pll_on = true;
  811. dsi_pll_enable_global_clk(rsc);
  812. if (rsc->slave)
  813. dsi_pll_enable_global_clk(rsc->slave);
  814. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_RBUF_CTRL, 0x01);
  815. if (rsc->slave)
  816. DSI_PLL_REG_W(rsc->slave->phy_base, PHY_CMN_RBUF_CTRL, 0x01);
  817. error:
  818. return rc;
  819. }
  820. static void dsi_pll_disable_sub(struct dsi_pll_resource *rsc)
  821. {
  822. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_RBUF_CTRL, 0);
  823. dsi_pll_disable_pll_bias(rsc);
  824. }
  825. static void dsi_pll_disable(struct dsi_pll_vco_clk *vco)
  826. {
  827. struct dsi_pll_resource *rsc = vco->priv;
  828. if (!rsc->pll_on) {
  829. pr_err("failed to enable pll (%d) resources\n", rsc->index);
  830. return;
  831. }
  832. rsc->handoff_resources = false;
  833. rsc->dfps_trigger = false;
  834. pr_debug("stop PLL (%d)\n", rsc->index);
  835. /*
  836. * To avoid any stray glitches while
  837. * abruptly powering down the PLL
  838. * make sure to gate the clock using
  839. * the clock enable bit before powering
  840. * down the PLL
  841. */
  842. dsi_pll_disable_global_clk(rsc);
  843. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_PLL_CNTRL, 0);
  844. dsi_pll_disable_sub(rsc);
  845. if (rsc->slave) {
  846. dsi_pll_disable_global_clk(rsc->slave);
  847. dsi_pll_disable_sub(rsc->slave);
  848. }
  849. /* flush, ensure all register writes are done*/
  850. wmb();
  851. rsc->pll_on = false;
  852. }
  853. long vco_10nm_round_rate(struct clk_hw *hw, unsigned long rate,
  854. unsigned long *parent_rate)
  855. {
  856. unsigned long rrate = rate;
  857. struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
  858. if (rate < vco->min_rate)
  859. rrate = vco->min_rate;
  860. if (rate > vco->max_rate)
  861. rrate = vco->max_rate;
  862. *parent_rate = rrate;
  863. return rrate;
  864. }
  865. static void vco_10nm_unprepare(struct clk_hw *hw)
  866. {
  867. struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
  868. struct dsi_pll_resource *pll = vco->priv;
  869. if (!pll) {
  870. pr_err("dsi pll resources not available\n");
  871. return;
  872. }
  873. /*
  874. * During unprepare in continuous splash use case we want driver
  875. * to pick all dividers instead of retaining bootloader configurations.
  876. * Also handle use cases where dynamic refresh triggered before
  877. * first suspend/resume.
  878. */
  879. if (!pll->handoff_resources || pll->dfps_trigger) {
  880. pll->cached_cfg0 = DSI_PLL_REG_R(pll->phy_base,
  881. PHY_CMN_CLK_CFG0);
  882. pll->cached_outdiv = DSI_PLL_REG_R(pll->pll_base,
  883. PLL_PLL_OUTDIV_RATE);
  884. pr_debug("cfg0=%d,cfg1=%d, outdiv=%d\n", pll->cached_cfg0,
  885. pll->cached_cfg1, pll->cached_outdiv);
  886. pll->vco_cached_rate = clk_get_rate(hw->clk);
  887. }
  888. /*
  889. * When continuous splash screen feature is enabled, we need to cache
  890. * the mux configuration for the pixel_clk_src mux clock. The clock
  891. * framework does not call back to re-configure the mux value if it is
  892. * does not change.For such usecases, we need to ensure that the cached
  893. * value is programmed prior to PLL being locked
  894. */
  895. if (pll->handoff_resources) {
  896. pll->cached_cfg1 = DSI_PLL_REG_R(pll->phy_base,
  897. PHY_CMN_CLK_CFG1);
  898. if (pll->slave)
  899. pll->slave->cached_cfg1 =
  900. DSI_PLL_REG_R(pll->slave->phy_base,
  901. PHY_CMN_CLK_CFG1);
  902. }
  903. dsi_pll_disable(vco);
  904. }
  905. static int vco_10nm_prepare(struct clk_hw *hw)
  906. {
  907. int rc = 0;
  908. struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
  909. struct dsi_pll_resource *pll = vco->priv;
  910. if (!pll) {
  911. pr_err("dsi pll resources are not available\n");
  912. return -EINVAL;
  913. }
  914. /* Skip vco recalculation for continuous splash use case */
  915. if (pll->handoff_resources) {
  916. pll->pll_on = true;
  917. return 0;
  918. }
  919. if ((pll->vco_cached_rate != 0) &&
  920. (pll->vco_cached_rate == clk_hw_get_rate(hw))) {
  921. rc = vco_10nm_set_rate(hw, pll->vco_cached_rate,
  922. pll->vco_cached_rate);
  923. if (rc) {
  924. pr_err("pll(%d) set_rate failed, rc=%d\n",
  925. pll->index, rc);
  926. return rc;
  927. }
  928. pr_debug("cfg0=%d, cfg1=%d\n", pll->cached_cfg0,
  929. pll->cached_cfg1);
  930. DSI_PLL_REG_W(pll->phy_base, PHY_CMN_CLK_CFG0,
  931. pll->cached_cfg0);
  932. if (pll->slave)
  933. DSI_PLL_REG_W(pll->slave->phy_base, PHY_CMN_CLK_CFG0,
  934. pll->cached_cfg0);
  935. DSI_PLL_REG_W(pll->pll_base, PLL_PLL_OUTDIV_RATE,
  936. pll->cached_outdiv);
  937. }
  938. rc = dsi_pll_enable(vco);
  939. return rc;
  940. }
  941. static unsigned long vco_10nm_recalc_rate(struct clk_hw *hw,
  942. unsigned long parent_rate)
  943. {
  944. struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
  945. struct dsi_pll_resource *pll = vco->priv;
  946. int rc = 0;
  947. if (!vco->priv)
  948. pr_err("vco priv is null\n");
  949. if (!pll) {
  950. pr_err("pll is null\n");
  951. return 0;
  952. }
  953. /*
  954. * In the case when vco rate is set, the recalculation function should
  955. * return the current rate as to avoid trying to set the vco rate
  956. * again. However durng handoff, recalculation should set the flag
  957. * according to the status of PLL.
  958. */
  959. if (pll->vco_current_rate != 0) {
  960. pr_debug("returning vco rate = %lld\n", pll->vco_current_rate);
  961. return pll->vco_current_rate;
  962. }
  963. pll->handoff_resources = true;
  964. if (!dsi_pll_10nm_get_gdsc_status(pll)) {
  965. pll->handoff_resources = false;
  966. pr_err("Hand_off_resources not needed since gdsc is off\n");
  967. return 0;
  968. }
  969. if (dsi_pll_10nm_lock_status(pll)) {
  970. pll->handoff_resources = false;
  971. pr_err("PLL not enabled\n");
  972. }
  973. return rc;
  974. }
  975. static int pixel_clk_get_div(void *context, unsigned int reg, unsigned int *div)
  976. {
  977. struct dsi_pll_resource *pll = context;
  978. u32 reg_val;
  979. reg_val = DSI_PLL_REG_R(pll->phy_base, PHY_CMN_CLK_CFG0);
  980. *div = (reg_val & 0xF0) >> 4;
  981. /**
  982. * Common clock framework the divider value is interpreted as one less
  983. * hence we return one less for all dividers except when zero
  984. */
  985. if (*div != 0)
  986. *div -= 1;
  987. return 0;
  988. }
  989. static void pixel_clk_set_div_sub(struct dsi_pll_resource *pll, int div)
  990. {
  991. u32 reg_val;
  992. reg_val = DSI_PLL_REG_R(pll->phy_base, PHY_CMN_CLK_CFG0);
  993. reg_val &= ~0xF0;
  994. reg_val |= (div << 4);
  995. DSI_PLL_REG_W(pll->phy_base, PHY_CMN_CLK_CFG0, reg_val);
  996. /*
  997. * cache the current parent index for cases where parent
  998. * is not changing but rate is changing. In that case
  999. * clock framework won't call parent_set and hence dsiclk_sel
  1000. * bit won't be programmed. e.g. dfps update use case.
  1001. */
  1002. pll->cached_cfg0 = reg_val;
  1003. }
  1004. static int pixel_clk_set_div(void *context, unsigned int reg, unsigned int div)
  1005. {
  1006. struct dsi_pll_resource *pll = context;
  1007. /**
  1008. * In common clock framework the divider value provided is one less and
  1009. * and hence adjusting the divider value by one prior to writing it to
  1010. * hardware
  1011. */
  1012. div++;
  1013. pixel_clk_set_div_sub(pll, div);
  1014. if (pll->slave)
  1015. pixel_clk_set_div_sub(pll->slave, div);
  1016. return 0;
  1017. }
  1018. static int bit_clk_get_div(void *context, unsigned int reg, unsigned int *div)
  1019. {
  1020. struct dsi_pll_resource *pll = context;
  1021. u32 reg_val;
  1022. reg_val = DSI_PLL_REG_R(pll->phy_base, PHY_CMN_CLK_CFG0);
  1023. *div = (reg_val & 0x0F);
  1024. /**
  1025. *Common clock framework the divider value is interpreted as one less
  1026. * hence we return one less for all dividers except when zero
  1027. */
  1028. if (*div != 0)
  1029. *div -= 1;
  1030. return 0;
  1031. }
  1032. static void bit_clk_set_div_sub(struct dsi_pll_resource *rsc, int div)
  1033. {
  1034. u32 reg_val;
  1035. reg_val = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG0);
  1036. reg_val &= ~0x0F;
  1037. reg_val |= div;
  1038. DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CLK_CFG0, reg_val);
  1039. }
  1040. static int bit_clk_set_div(void *context, unsigned int reg, unsigned int div)
  1041. {
  1042. struct dsi_pll_resource *rsc = context;
  1043. if (!rsc) {
  1044. pr_err("pll resource not found\n");
  1045. return -EINVAL;
  1046. }
  1047. /**
  1048. * In common clock framework the divider value provided is one less and
  1049. * and hence adjusting the divider value by one prior to writing it to
  1050. * hardware
  1051. */
  1052. div++;
  1053. bit_clk_set_div_sub(rsc, div);
  1054. /* For slave PLL, this divider always should be set to 1 */
  1055. if (rsc->slave)
  1056. bit_clk_set_div_sub(rsc->slave, 1);
  1057. return 0;
  1058. }
  1059. static struct regmap_config dsi_pll_10nm_config = {
  1060. .reg_bits = 32,
  1061. .reg_stride = 4,
  1062. .val_bits = 32,
  1063. .max_register = 0x7c0,
  1064. };
  1065. static struct regmap_bus pll_regmap_bus = {
  1066. .reg_write = pll_reg_write,
  1067. .reg_read = pll_reg_read,
  1068. };
  1069. static struct regmap_bus pclk_src_mux_regmap_bus = {
  1070. .reg_read = pclk_mux_read_sel,
  1071. .reg_write = pclk_mux_write_sel,
  1072. };
  1073. static struct regmap_bus pclk_src_regmap_bus = {
  1074. .reg_write = pixel_clk_set_div,
  1075. .reg_read = pixel_clk_get_div,
  1076. };
  1077. static struct regmap_bus bitclk_src_regmap_bus = {
  1078. .reg_write = bit_clk_set_div,
  1079. .reg_read = bit_clk_get_div,
  1080. };
  1081. static const struct clk_ops clk_ops_vco_10nm = {
  1082. .recalc_rate = vco_10nm_recalc_rate,
  1083. .set_rate = vco_10nm_set_rate,
  1084. .round_rate = vco_10nm_round_rate,
  1085. .prepare = vco_10nm_prepare,
  1086. .unprepare = vco_10nm_unprepare,
  1087. };
  1088. static const struct clk_ops clk_ops_shadow_vco_10nm = {
  1089. .recalc_rate = vco_10nm_recalc_rate,
  1090. .set_rate = shadow_vco_10nm_set_rate,
  1091. .round_rate = vco_10nm_round_rate,
  1092. };
  1093. static struct regmap_bus dsi_mux_regmap_bus = {
  1094. .reg_write = dsi_set_mux_sel,
  1095. .reg_read = dsi_get_mux_sel,
  1096. };
  1097. /*
  1098. * Clock tree for generating DSI byte and pixel clocks.
  1099. *
  1100. *
  1101. * +---------------+
  1102. * | vco_clk |
  1103. * +-------+-------+
  1104. * |
  1105. * |
  1106. * +---------------+
  1107. * | pll_out_div |
  1108. * | DIV(1,2,4,8) |
  1109. * +-------+-------+
  1110. * |
  1111. * +-----------------------------+--------+
  1112. * | | |
  1113. * +-------v-------+ | |
  1114. * | bitclk_src | | |
  1115. * | DIV(1..15) | | |
  1116. * +-------+-------+ | |
  1117. * | | |
  1118. * +----------+---------+ | |
  1119. * Shadow Path | | | | |
  1120. * + +-------v-------+ | +------v------+ | +------v-------+
  1121. * | | byteclk_src | | |post_bit_div | | |post_vco_div |
  1122. * | | DIV(8) | | |DIV (2) | | |DIV(4) |
  1123. * | +-------+-------+ | +------+------+ | +------+-------+
  1124. * | | | | | | |
  1125. * | | | +------+ | |
  1126. * | | +-------------+ | | +----+
  1127. * | +--------+ | | | |
  1128. * | | +-v--v-v---v------+
  1129. * +-v---------v----+ \ pclk_src_mux /
  1130. * \ byteclk_mux / \ /
  1131. * \ / +-----+-----+
  1132. * +----+-----+ | Shadow Path
  1133. * | | +
  1134. * v +-----v------+ |
  1135. * dsi_byte_clk | pclk_src | |
  1136. * | DIV(1..15) | |
  1137. * +-----+------+ |
  1138. * | |
  1139. * | |
  1140. * +--------+ |
  1141. * | |
  1142. * +---v----v----+
  1143. * \ pclk_mux /
  1144. * \ /
  1145. * +---+---+
  1146. * |
  1147. * |
  1148. * v
  1149. * dsi_pclk
  1150. *
  1151. */
  1152. static struct dsi_pll_vco_clk dsi0pll_vco_clk = {
  1153. .ref_clk_rate = 19200000UL,
  1154. .min_rate = 1000000000UL,
  1155. .max_rate = 3500000000UL,
  1156. .hw.init = &(struct clk_init_data){
  1157. .name = "dsi0pll_vco_clk",
  1158. .parent_names = (const char *[]){"bi_tcxo"},
  1159. .num_parents = 1,
  1160. .ops = &clk_ops_vco_10nm,
  1161. .flags = CLK_GET_RATE_NOCACHE,
  1162. },
  1163. };
  1164. static struct dsi_pll_vco_clk dsi0pll_shadow_vco_clk = {
  1165. .ref_clk_rate = 19200000UL,
  1166. .min_rate = 1000000000UL,
  1167. .max_rate = 3500000000UL,
  1168. .hw.init = &(struct clk_init_data){
  1169. .name = "dsi0pll_shadow_vco_clk",
  1170. .parent_names = (const char *[]){"bi_tcxo"},
  1171. .num_parents = 1,
  1172. .ops = &clk_ops_shadow_vco_10nm,
  1173. .flags = CLK_GET_RATE_NOCACHE,
  1174. },
  1175. };
  1176. static struct dsi_pll_vco_clk dsi1pll_vco_clk = {
  1177. .ref_clk_rate = 19200000UL,
  1178. .min_rate = 1000000000UL,
  1179. .max_rate = 3500000000UL,
  1180. .hw.init = &(struct clk_init_data){
  1181. .name = "dsi1pll_vco_clk",
  1182. .parent_names = (const char *[]){"bi_tcxo"},
  1183. .num_parents = 1,
  1184. .ops = &clk_ops_vco_10nm,
  1185. .flags = CLK_GET_RATE_NOCACHE,
  1186. },
  1187. };
  1188. static struct dsi_pll_vco_clk dsi1pll_shadow_vco_clk = {
  1189. .ref_clk_rate = 19200000UL,
  1190. .min_rate = 1000000000UL,
  1191. .max_rate = 3500000000UL,
  1192. .hw.init = &(struct clk_init_data){
  1193. .name = "dsi1pll_shadow_vco_clk",
  1194. .parent_names = (const char *[]){"bi_tcxo"},
  1195. .num_parents = 1,
  1196. .ops = &clk_ops_shadow_vco_10nm,
  1197. .flags = CLK_GET_RATE_NOCACHE,
  1198. },
  1199. };
  1200. static struct clk_regmap_div dsi0pll_pll_out_div = {
  1201. .reg = PLL_PLL_OUTDIV_RATE,
  1202. .shift = 0,
  1203. .width = 2,
  1204. .flags = CLK_DIVIDER_POWER_OF_TWO,
  1205. .clkr = {
  1206. .hw.init = &(struct clk_init_data){
  1207. .name = "dsi0pll_pll_out_div",
  1208. .parent_names = (const char *[]){"dsi0pll_vco_clk"},
  1209. .num_parents = 1,
  1210. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1211. .ops = &clk_regmap_div_ops,
  1212. },
  1213. },
  1214. };
  1215. static struct clk_regmap_div dsi0pll_shadow_pll_out_div = {
  1216. .reg = PLL_PLL_OUTDIV_RATE,
  1217. .shift = 0,
  1218. .width = 2,
  1219. .flags = CLK_DIVIDER_POWER_OF_TWO,
  1220. .clkr = {
  1221. .hw.init = &(struct clk_init_data){
  1222. .name = "dsi0pll_shadow_pll_out_div",
  1223. .parent_names = (const char *[]){
  1224. "dsi0pll_shadow_vco_clk"},
  1225. .num_parents = 1,
  1226. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1227. .ops = &clk_regmap_div_ops,
  1228. },
  1229. },
  1230. };
  1231. static struct clk_regmap_div dsi1pll_pll_out_div = {
  1232. .reg = PLL_PLL_OUTDIV_RATE,
  1233. .shift = 0,
  1234. .width = 2,
  1235. .flags = CLK_DIVIDER_POWER_OF_TWO,
  1236. .clkr = {
  1237. .hw.init = &(struct clk_init_data){
  1238. .name = "dsi1pll_pll_out_div",
  1239. .parent_names = (const char *[]){"dsi1pll_vco_clk"},
  1240. .num_parents = 1,
  1241. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1242. .ops = &clk_regmap_div_ops,
  1243. },
  1244. },
  1245. };
  1246. static struct clk_regmap_div dsi1pll_shadow_pll_out_div = {
  1247. .reg = PLL_PLL_OUTDIV_RATE,
  1248. .shift = 0,
  1249. .width = 2,
  1250. .flags = CLK_DIVIDER_POWER_OF_TWO,
  1251. .clkr = {
  1252. .hw.init = &(struct clk_init_data){
  1253. .name = "dsi1pll_shadow_pll_out_div",
  1254. .parent_names = (const char *[]){
  1255. "dsi1pll_shadow_vco_clk"},
  1256. .num_parents = 1,
  1257. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1258. .ops = &clk_regmap_div_ops,
  1259. },
  1260. },
  1261. };
  1262. static struct clk_regmap_div dsi0pll_bitclk_src = {
  1263. .shift = 0,
  1264. .width = 4,
  1265. .clkr = {
  1266. .hw.init = &(struct clk_init_data){
  1267. .name = "dsi0pll_bitclk_src",
  1268. .parent_names = (const char *[]){"dsi0pll_pll_out_div"},
  1269. .num_parents = 1,
  1270. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1271. .ops = &clk_regmap_div_ops,
  1272. },
  1273. },
  1274. };
  1275. static struct clk_regmap_div dsi0pll_shadow_bitclk_src = {
  1276. .shift = 0,
  1277. .width = 4,
  1278. .clkr = {
  1279. .hw.init = &(struct clk_init_data){
  1280. .name = "dsi0pll_shadow_bitclk_src",
  1281. .parent_names = (const char *[]){
  1282. "dsi0pll_shadow_pll_out_div"},
  1283. .num_parents = 1,
  1284. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1285. .ops = &clk_regmap_div_ops,
  1286. },
  1287. },
  1288. };
  1289. static struct clk_regmap_div dsi1pll_bitclk_src = {
  1290. .shift = 0,
  1291. .width = 4,
  1292. .clkr = {
  1293. .hw.init = &(struct clk_init_data){
  1294. .name = "dsi1pll_bitclk_src",
  1295. .parent_names = (const char *[]){"dsi1pll_pll_out_div"},
  1296. .num_parents = 1,
  1297. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1298. .ops = &clk_regmap_div_ops,
  1299. },
  1300. },
  1301. };
  1302. static struct clk_regmap_div dsi1pll_shadow_bitclk_src = {
  1303. .shift = 0,
  1304. .width = 4,
  1305. .clkr = {
  1306. .hw.init = &(struct clk_init_data){
  1307. .name = "dsi1pll_shadow_bitclk_src",
  1308. .parent_names = (const char *[]){
  1309. "dsi1pll_shadow_pll_out_div"},
  1310. .num_parents = 1,
  1311. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1312. .ops = &clk_regmap_div_ops,
  1313. },
  1314. },
  1315. };
  1316. static struct clk_fixed_factor dsi0pll_post_vco_div = {
  1317. .div = 4,
  1318. .mult = 1,
  1319. .hw.init = &(struct clk_init_data){
  1320. .name = "dsi0pll_post_vco_div",
  1321. .parent_names = (const char *[]){"dsi0pll_pll_out_div"},
  1322. .num_parents = 1,
  1323. .flags = CLK_GET_RATE_NOCACHE,
  1324. .ops = &clk_fixed_factor_ops,
  1325. },
  1326. };
  1327. static struct clk_fixed_factor dsi0pll_shadow_post_vco_div = {
  1328. .div = 4,
  1329. .mult = 1,
  1330. .hw.init = &(struct clk_init_data){
  1331. .name = "dsi0pll_shadow_post_vco_div",
  1332. .parent_names = (const char *[]){"dsi0pll_shadow_pll_out_div"},
  1333. .num_parents = 1,
  1334. .flags = CLK_GET_RATE_NOCACHE,
  1335. .ops = &clk_fixed_factor_ops,
  1336. },
  1337. };
  1338. static struct clk_fixed_factor dsi1pll_post_vco_div = {
  1339. .div = 4,
  1340. .mult = 1,
  1341. .hw.init = &(struct clk_init_data){
  1342. .name = "dsi1pll_post_vco_div",
  1343. .parent_names = (const char *[]){"dsi1pll_pll_out_div"},
  1344. .num_parents = 1,
  1345. .flags = CLK_GET_RATE_NOCACHE,
  1346. .ops = &clk_fixed_factor_ops,
  1347. },
  1348. };
  1349. static struct clk_fixed_factor dsi1pll_shadow_post_vco_div = {
  1350. .div = 4,
  1351. .mult = 1,
  1352. .hw.init = &(struct clk_init_data){
  1353. .name = "dsi1pll_shadow_post_vco_div",
  1354. .parent_names = (const char *[]){"dsi1pll_shadow_pll_out_div"},
  1355. .num_parents = 1,
  1356. .flags = CLK_GET_RATE_NOCACHE,
  1357. .ops = &clk_fixed_factor_ops,
  1358. },
  1359. };
  1360. static struct clk_fixed_factor dsi0pll_byteclk_src = {
  1361. .div = 8,
  1362. .mult = 1,
  1363. .hw.init = &(struct clk_init_data){
  1364. .name = "dsi0pll_byteclk_src",
  1365. .parent_names = (const char *[]){"dsi0pll_bitclk_src"},
  1366. .num_parents = 1,
  1367. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1368. .ops = &clk_fixed_factor_ops,
  1369. },
  1370. };
  1371. static struct clk_fixed_factor dsi0pll_shadow_byteclk_src = {
  1372. .div = 8,
  1373. .mult = 1,
  1374. .hw.init = &(struct clk_init_data){
  1375. .name = "dsi0pll_shadow_byteclk_src",
  1376. .parent_names = (const char *[]){"dsi0pll_shadow_bitclk_src"},
  1377. .num_parents = 1,
  1378. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1379. .ops = &clk_fixed_factor_ops,
  1380. },
  1381. };
  1382. static struct clk_fixed_factor dsi1pll_byteclk_src = {
  1383. .div = 8,
  1384. .mult = 1,
  1385. .hw.init = &(struct clk_init_data){
  1386. .name = "dsi1pll_byteclk_src",
  1387. .parent_names = (const char *[]){"dsi1pll_bitclk_src"},
  1388. .num_parents = 1,
  1389. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1390. .ops = &clk_fixed_factor_ops,
  1391. },
  1392. };
  1393. static struct clk_fixed_factor dsi1pll_shadow_byteclk_src = {
  1394. .div = 8,
  1395. .mult = 1,
  1396. .hw.init = &(struct clk_init_data){
  1397. .name = "dsi1pll_shadow_byteclk_src",
  1398. .parent_names = (const char *[]){"dsi1pll_shadow_bitclk_src"},
  1399. .num_parents = 1,
  1400. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1401. .ops = &clk_fixed_factor_ops,
  1402. },
  1403. };
  1404. static struct clk_fixed_factor dsi0pll_post_bit_div = {
  1405. .div = 2,
  1406. .mult = 1,
  1407. .hw.init = &(struct clk_init_data){
  1408. .name = "dsi0pll_post_bit_div",
  1409. .parent_names = (const char *[]){"dsi0pll_bitclk_src"},
  1410. .num_parents = 1,
  1411. .flags = CLK_GET_RATE_NOCACHE,
  1412. .ops = &clk_fixed_factor_ops,
  1413. },
  1414. };
  1415. static struct clk_fixed_factor dsi0pll_shadow_post_bit_div = {
  1416. .div = 2,
  1417. .mult = 1,
  1418. .hw.init = &(struct clk_init_data){
  1419. .name = "dsi0pll_shadow_post_bit_div",
  1420. .parent_names = (const char *[]){"dsi0pll_shadow_bitclk_src"},
  1421. .num_parents = 1,
  1422. .flags = CLK_GET_RATE_NOCACHE,
  1423. .ops = &clk_fixed_factor_ops,
  1424. },
  1425. };
  1426. static struct clk_fixed_factor dsi1pll_post_bit_div = {
  1427. .div = 2,
  1428. .mult = 1,
  1429. .hw.init = &(struct clk_init_data){
  1430. .name = "dsi1pll_post_bit_div",
  1431. .parent_names = (const char *[]){"dsi1pll_bitclk_src"},
  1432. .num_parents = 1,
  1433. .flags = CLK_GET_RATE_NOCACHE,
  1434. .ops = &clk_fixed_factor_ops,
  1435. },
  1436. };
  1437. static struct clk_fixed_factor dsi1pll_shadow_post_bit_div = {
  1438. .div = 2,
  1439. .mult = 1,
  1440. .hw.init = &(struct clk_init_data){
  1441. .name = "dsi1pll_shadow_post_bit_div",
  1442. .parent_names = (const char *[]){"dsi1pll_shadow_bitclk_src"},
  1443. .num_parents = 1,
  1444. .flags = CLK_GET_RATE_NOCACHE,
  1445. .ops = &clk_fixed_factor_ops,
  1446. },
  1447. };
  1448. static struct clk_regmap_mux dsi0pll_byteclk_mux = {
  1449. .shift = 0,
  1450. .width = 1,
  1451. .clkr = {
  1452. .hw.init = &(struct clk_init_data){
  1453. .name = "dsi0_phy_pll_out_byteclk",
  1454. .parent_names = (const char *[]){"dsi0pll_byteclk_src",
  1455. "dsi0pll_shadow_byteclk_src"},
  1456. .num_parents = 2,
  1457. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT |
  1458. CLK_SET_RATE_NO_REPARENT),
  1459. .ops = &clk_regmap_mux_closest_ops,
  1460. },
  1461. },
  1462. };
  1463. static struct clk_regmap_mux dsi1pll_byteclk_mux = {
  1464. .shift = 0,
  1465. .width = 1,
  1466. .clkr = {
  1467. .hw.init = &(struct clk_init_data){
  1468. .name = "dsi1_phy_pll_out_byteclk",
  1469. .parent_names = (const char *[]){"dsi1pll_byteclk_src",
  1470. "dsi1pll_shadow_byteclk_src"},
  1471. .num_parents = 2,
  1472. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT |
  1473. CLK_SET_RATE_NO_REPARENT),
  1474. .ops = &clk_regmap_mux_closest_ops,
  1475. },
  1476. },
  1477. };
  1478. static struct clk_regmap_mux dsi0pll_pclk_src_mux = {
  1479. .reg = PHY_CMN_CLK_CFG1,
  1480. .shift = 0,
  1481. .width = 2,
  1482. .clkr = {
  1483. .hw.init = &(struct clk_init_data){
  1484. .name = "dsi0pll_pclk_src_mux",
  1485. .parent_names = (const char *[]){"dsi0pll_bitclk_src",
  1486. "dsi0pll_post_bit_div",
  1487. "dsi0pll_pll_out_div",
  1488. "dsi0pll_post_vco_div"},
  1489. .num_parents = 4,
  1490. .flags = CLK_GET_RATE_NOCACHE,
  1491. .ops = &clk_regmap_mux_closest_ops,
  1492. },
  1493. },
  1494. };
  1495. static struct clk_regmap_mux dsi0pll_shadow_pclk_src_mux = {
  1496. .reg = PHY_CMN_CLK_CFG1,
  1497. .shift = 0,
  1498. .width = 2,
  1499. .clkr = {
  1500. .hw.init = &(struct clk_init_data){
  1501. .name = "dsi0pll_shadow_pclk_src_mux",
  1502. .parent_names = (const char *[]){
  1503. "dsi0pll_shadow_bitclk_src",
  1504. "dsi0pll_shadow_post_bit_div",
  1505. "dsi0pll_shadow_pll_out_div",
  1506. "dsi0pll_shadow_post_vco_div"},
  1507. .num_parents = 4,
  1508. .flags = CLK_GET_RATE_NOCACHE,
  1509. .ops = &clk_regmap_mux_closest_ops,
  1510. },
  1511. },
  1512. };
  1513. static struct clk_regmap_mux dsi1pll_pclk_src_mux = {
  1514. .reg = PHY_CMN_CLK_CFG1,
  1515. .shift = 0,
  1516. .width = 2,
  1517. .clkr = {
  1518. .hw.init = &(struct clk_init_data){
  1519. .name = "dsi1pll_pclk_src_mux",
  1520. .parent_names = (const char *[]){"dsi1pll_bitclk_src",
  1521. "dsi1pll_post_bit_div",
  1522. "dsi1pll_pll_out_div",
  1523. "dsi1pll_post_vco_div"},
  1524. .num_parents = 4,
  1525. .flags = CLK_GET_RATE_NOCACHE,
  1526. .ops = &clk_regmap_mux_closest_ops,
  1527. },
  1528. },
  1529. };
  1530. static struct clk_regmap_mux dsi1pll_shadow_pclk_src_mux = {
  1531. .reg = PHY_CMN_CLK_CFG1,
  1532. .shift = 0,
  1533. .width = 2,
  1534. .clkr = {
  1535. .hw.init = &(struct clk_init_data){
  1536. .name = "dsi1pll_shadow_pclk_src_mux",
  1537. .parent_names = (const char *[]){
  1538. "dsi1pll_shadow_bitclk_src",
  1539. "dsi1pll_shadow_post_bit_div",
  1540. "dsi1pll_shadow_pll_out_div",
  1541. "dsi1pll_shadow_post_vco_div"},
  1542. .num_parents = 4,
  1543. .flags = CLK_GET_RATE_NOCACHE,
  1544. .ops = &clk_regmap_mux_closest_ops,
  1545. },
  1546. },
  1547. };
  1548. static struct clk_regmap_div dsi0pll_pclk_src = {
  1549. .shift = 0,
  1550. .width = 4,
  1551. .clkr = {
  1552. .hw.init = &(struct clk_init_data){
  1553. .name = "dsi0pll_pclk_src",
  1554. .parent_names = (const char *[]){
  1555. "dsi0pll_pclk_src_mux"},
  1556. .num_parents = 1,
  1557. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1558. .ops = &clk_regmap_div_ops,
  1559. },
  1560. },
  1561. };
  1562. static struct clk_regmap_div dsi0pll_shadow_pclk_src = {
  1563. .shift = 0,
  1564. .width = 4,
  1565. .clkr = {
  1566. .hw.init = &(struct clk_init_data){
  1567. .name = "dsi0pll_shadow_pclk_src",
  1568. .parent_names = (const char *[]){
  1569. "dsi0pll_shadow_pclk_src_mux"},
  1570. .num_parents = 1,
  1571. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1572. .ops = &clk_regmap_div_ops,
  1573. },
  1574. },
  1575. };
  1576. static struct clk_regmap_div dsi1pll_pclk_src = {
  1577. .shift = 0,
  1578. .width = 4,
  1579. .clkr = {
  1580. .hw.init = &(struct clk_init_data){
  1581. .name = "dsi1pll_pclk_src",
  1582. .parent_names = (const char *[]){
  1583. "dsi1pll_pclk_src_mux"},
  1584. .num_parents = 1,
  1585. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1586. .ops = &clk_regmap_div_ops,
  1587. },
  1588. },
  1589. };
  1590. static struct clk_regmap_div dsi1pll_shadow_pclk_src = {
  1591. .shift = 0,
  1592. .width = 4,
  1593. .clkr = {
  1594. .hw.init = &(struct clk_init_data){
  1595. .name = "dsi1pll_shadow_pclk_src",
  1596. .parent_names = (const char *[]){
  1597. "dsi1pll_shadow_pclk_src_mux"},
  1598. .num_parents = 1,
  1599. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT),
  1600. .ops = &clk_regmap_div_ops,
  1601. },
  1602. },
  1603. };
  1604. static struct clk_regmap_mux dsi0pll_pclk_mux = {
  1605. .shift = 0,
  1606. .width = 1,
  1607. .clkr = {
  1608. .hw.init = &(struct clk_init_data){
  1609. .name = "dsi0_phy_pll_out_dsiclk",
  1610. .parent_names = (const char *[]){"dsi0pll_pclk_src",
  1611. "dsi0pll_shadow_pclk_src"},
  1612. .num_parents = 2,
  1613. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT |
  1614. CLK_SET_RATE_NO_REPARENT),
  1615. .ops = &clk_regmap_mux_closest_ops,
  1616. },
  1617. },
  1618. };
  1619. static struct clk_regmap_mux dsi1pll_pclk_mux = {
  1620. .shift = 0,
  1621. .width = 1,
  1622. .clkr = {
  1623. .hw.init = &(struct clk_init_data){
  1624. .name = "dsi1_phy_pll_out_dsiclk",
  1625. .parent_names = (const char *[]){"dsi1pll_pclk_src",
  1626. "dsi1pll_shadow_pclk_src"},
  1627. .num_parents = 2,
  1628. .flags = (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT |
  1629. CLK_SET_RATE_NO_REPARENT),
  1630. .ops = &clk_regmap_mux_closest_ops,
  1631. },
  1632. },
  1633. };
  1634. static struct clk_hw *dsi_pllcc_10nm[] = {
  1635. [VCO_CLK_0] = &dsi0pll_vco_clk.hw,
  1636. [PLL_OUT_DIV_0_CLK] = &dsi0pll_pll_out_div.clkr.hw,
  1637. [BITCLK_SRC_0_CLK] = &dsi0pll_bitclk_src.clkr.hw,
  1638. [BYTECLK_SRC_0_CLK] = &dsi0pll_byteclk_src.hw,
  1639. [POST_BIT_DIV_0_CLK] = &dsi0pll_post_bit_div.hw,
  1640. [POST_VCO_DIV_0_CLK] = &dsi0pll_post_vco_div.hw,
  1641. [BYTECLK_MUX_0_CLK] = &dsi0pll_byteclk_mux.clkr.hw,
  1642. [PCLK_SRC_MUX_0_CLK] = &dsi0pll_pclk_src_mux.clkr.hw,
  1643. [PCLK_SRC_0_CLK] = &dsi0pll_pclk_src.clkr.hw,
  1644. [PCLK_MUX_0_CLK] = &dsi0pll_pclk_mux.clkr.hw,
  1645. [SHADOW_VCO_CLK_0] = &dsi0pll_shadow_vco_clk.hw,
  1646. [SHADOW_PLL_OUT_DIV_0_CLK] = &dsi0pll_shadow_pll_out_div.clkr.hw,
  1647. [SHADOW_BITCLK_SRC_0_CLK] = &dsi0pll_shadow_bitclk_src.clkr.hw,
  1648. [SHADOW_BYTECLK_SRC_0_CLK] = &dsi0pll_shadow_byteclk_src.hw,
  1649. [SHADOW_POST_BIT_DIV_0_CLK] = &dsi0pll_shadow_post_bit_div.hw,
  1650. [SHADOW_POST_VCO_DIV_0_CLK] = &dsi0pll_shadow_post_vco_div.hw,
  1651. [SHADOW_PCLK_SRC_MUX_0_CLK] = &dsi0pll_shadow_pclk_src_mux.clkr.hw,
  1652. [SHADOW_PCLK_SRC_0_CLK] = &dsi0pll_shadow_pclk_src.clkr.hw,
  1653. [VCO_CLK_1] = &dsi1pll_vco_clk.hw,
  1654. [PLL_OUT_DIV_1_CLK] = &dsi1pll_pll_out_div.clkr.hw,
  1655. [BITCLK_SRC_1_CLK] = &dsi1pll_bitclk_src.clkr.hw,
  1656. [BYTECLK_SRC_1_CLK] = &dsi1pll_byteclk_src.hw,
  1657. [POST_BIT_DIV_1_CLK] = &dsi1pll_post_bit_div.hw,
  1658. [POST_VCO_DIV_1_CLK] = &dsi1pll_post_vco_div.hw,
  1659. [BYTECLK_MUX_1_CLK] = &dsi1pll_byteclk_mux.clkr.hw,
  1660. [PCLK_SRC_MUX_1_CLK] = &dsi1pll_pclk_src_mux.clkr.hw,
  1661. [PCLK_SRC_1_CLK] = &dsi1pll_pclk_src.clkr.hw,
  1662. [PCLK_MUX_1_CLK] = &dsi1pll_pclk_mux.clkr.hw,
  1663. [SHADOW_VCO_CLK_1] = &dsi1pll_shadow_vco_clk.hw,
  1664. [SHADOW_PLL_OUT_DIV_1_CLK] = &dsi1pll_shadow_pll_out_div.clkr.hw,
  1665. [SHADOW_BITCLK_SRC_1_CLK] = &dsi1pll_shadow_bitclk_src.clkr.hw,
  1666. [SHADOW_BYTECLK_SRC_1_CLK] = &dsi1pll_shadow_byteclk_src.hw,
  1667. [SHADOW_POST_BIT_DIV_1_CLK] = &dsi1pll_shadow_post_bit_div.hw,
  1668. [SHADOW_POST_VCO_DIV_1_CLK] = &dsi1pll_shadow_post_vco_div.hw,
  1669. [SHADOW_PCLK_SRC_MUX_1_CLK] = &dsi1pll_shadow_pclk_src_mux.clkr.hw,
  1670. [SHADOW_PCLK_SRC_1_CLK] = &dsi1pll_shadow_pclk_src.clkr.hw,
  1671. };
  1672. int dsi_pll_clock_register_10nm(struct platform_device *pdev,
  1673. struct dsi_pll_resource *pll_res)
  1674. {
  1675. int rc = 0, ndx, i;
  1676. struct clk *clk;
  1677. struct clk_onecell_data *clk_data;
  1678. int num_clks = ARRAY_SIZE(dsi_pllcc_10nm);
  1679. struct regmap *rmap;
  1680. struct regmap_config *rmap_config;
  1681. ndx = pll_res->index;
  1682. if (ndx >= DSI_PLL_MAX) {
  1683. pr_err("pll index(%d) NOT supported\n", ndx);
  1684. return -EINVAL;
  1685. }
  1686. pll_rsc_db[ndx] = pll_res;
  1687. plls[ndx].rsc = pll_res;
  1688. pll_res->priv = &plls[ndx];
  1689. pll_res->vco_delay = VCO_DELAY_USEC;
  1690. clk_data = devm_kzalloc(&pdev->dev, sizeof(*clk_data), GFP_KERNEL);
  1691. if (!clk_data)
  1692. return -ENOMEM;
  1693. clk_data->clks = devm_kcalloc(&pdev->dev, num_clks,
  1694. sizeof(struct clk *), GFP_KERNEL);
  1695. if (!clk_data->clks)
  1696. return -ENOMEM;
  1697. clk_data->clk_num = num_clks;
  1698. rmap_config = devm_kmemdup(&pdev->dev, &dsi_pll_10nm_config,
  1699. sizeof(struct regmap_config), GFP_KERNEL);
  1700. if (!rmap_config)
  1701. return -ENOMEM;
  1702. /* Establish client data */
  1703. if (ndx == 0) {
  1704. rmap_config->name = "pll_out";
  1705. rmap = devm_regmap_init(&pdev->dev, &pll_regmap_bus,
  1706. pll_res, rmap_config);
  1707. dsi0pll_pll_out_div.clkr.regmap = rmap;
  1708. dsi0pll_shadow_pll_out_div.clkr.regmap = rmap;
  1709. rmap_config->name = "bitclk_src";
  1710. rmap = devm_regmap_init(&pdev->dev, &bitclk_src_regmap_bus,
  1711. pll_res, rmap_config);
  1712. dsi0pll_bitclk_src.clkr.regmap = rmap;
  1713. dsi0pll_shadow_bitclk_src.clkr.regmap = rmap;
  1714. rmap_config->name = "pclk_src";
  1715. rmap = devm_regmap_init(&pdev->dev, &pclk_src_regmap_bus,
  1716. pll_res, rmap_config);
  1717. dsi0pll_pclk_src.clkr.regmap = rmap;
  1718. dsi0pll_shadow_pclk_src.clkr.regmap = rmap;
  1719. rmap_config->name = "pclk_mux";
  1720. rmap = devm_regmap_init(&pdev->dev, &dsi_mux_regmap_bus,
  1721. pll_res, rmap_config);
  1722. dsi0pll_pclk_mux.clkr.regmap = rmap;
  1723. rmap_config->name = "pclk_src_mux";
  1724. rmap = devm_regmap_init(&pdev->dev, &pclk_src_mux_regmap_bus,
  1725. pll_res, rmap_config);
  1726. dsi0pll_pclk_src_mux.clkr.regmap = rmap;
  1727. dsi0pll_shadow_pclk_src_mux.clkr.regmap = rmap;
  1728. rmap_config->name = "byteclk_mux";
  1729. rmap = devm_regmap_init(&pdev->dev, &dsi_mux_regmap_bus,
  1730. pll_res, rmap_config);
  1731. dsi0pll_byteclk_mux.clkr.regmap = rmap;
  1732. dsi0pll_vco_clk.priv = pll_res;
  1733. dsi0pll_shadow_vco_clk.priv = pll_res;
  1734. for (i = VCO_CLK_0; i <= SHADOW_PCLK_SRC_0_CLK; i++) {
  1735. clk = devm_clk_register(&pdev->dev,
  1736. dsi_pllcc_10nm[i]);
  1737. if (IS_ERR(clk)) {
  1738. pr_err("clk registration failed for DSI clock:%d\n",
  1739. pll_res->index);
  1740. rc = -EINVAL;
  1741. goto clk_register_fail;
  1742. }
  1743. clk_data->clks[i] = clk;
  1744. }
  1745. rc = of_clk_add_provider(pdev->dev.of_node,
  1746. of_clk_src_onecell_get, clk_data);
  1747. } else {
  1748. rmap_config->name = "pll_out";
  1749. rmap = devm_regmap_init(&pdev->dev, &pll_regmap_bus,
  1750. pll_res, rmap_config);
  1751. dsi1pll_pll_out_div.clkr.regmap = rmap;
  1752. dsi1pll_shadow_pll_out_div.clkr.regmap = rmap;
  1753. rmap_config->name = "bitclk_src";
  1754. rmap = devm_regmap_init(&pdev->dev, &bitclk_src_regmap_bus,
  1755. pll_res, rmap_config);
  1756. dsi1pll_bitclk_src.clkr.regmap = rmap;
  1757. dsi1pll_shadow_bitclk_src.clkr.regmap = rmap;
  1758. rmap_config->name = "pclk_src";
  1759. rmap = devm_regmap_init(&pdev->dev, &pclk_src_regmap_bus,
  1760. pll_res, rmap_config);
  1761. dsi1pll_pclk_src.clkr.regmap = rmap;
  1762. dsi1pll_shadow_pclk_src.clkr.regmap = rmap;
  1763. rmap_config->name = "pclk_mux";
  1764. rmap = devm_regmap_init(&pdev->dev, &dsi_mux_regmap_bus,
  1765. pll_res, rmap_config);
  1766. dsi1pll_pclk_mux.clkr.regmap = rmap;
  1767. rmap_config->name = "pclk_src_mux";
  1768. rmap = devm_regmap_init(&pdev->dev, &pclk_src_mux_regmap_bus,
  1769. pll_res, rmap_config);
  1770. dsi1pll_pclk_src_mux.clkr.regmap = rmap;
  1771. dsi1pll_shadow_pclk_src_mux.clkr.regmap = rmap;
  1772. rmap_config->name = "byteclk_mux";
  1773. rmap = devm_regmap_init(&pdev->dev, &dsi_mux_regmap_bus,
  1774. pll_res, rmap_config);
  1775. dsi1pll_byteclk_mux.clkr.regmap = rmap;
  1776. dsi1pll_vco_clk.priv = pll_res;
  1777. dsi1pll_shadow_vco_clk.priv = pll_res;
  1778. for (i = VCO_CLK_1; i <= SHADOW_PCLK_SRC_1_CLK; i++) {
  1779. clk = devm_clk_register(&pdev->dev,
  1780. dsi_pllcc_10nm[i]);
  1781. if (IS_ERR(clk)) {
  1782. pr_err("clk registration failed for DSI clock:%d\n",
  1783. pll_res->index);
  1784. rc = -EINVAL;
  1785. goto clk_register_fail;
  1786. }
  1787. clk_data->clks[i] = clk;
  1788. }
  1789. rc = of_clk_add_provider(pdev->dev.of_node,
  1790. of_clk_src_onecell_get, clk_data);
  1791. }
  1792. if (!rc) {
  1793. pr_info("Registered DSI PLL ndx=%d, clocks successfully\n",
  1794. ndx);
  1795. return rc;
  1796. }
  1797. clk_register_fail:
  1798. return rc;
  1799. }