12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027202820292030203120322033203420352036203720382039204020412042204320442045204620472048204920502051205220532054205520562057205820592060206120622063206420652066206720682069207020712072207320742075207620772078207920802081208220832084208520862087208820892090209120922093209420952096209720982099210021012102210321042105210621072108210921102111211221132114211521162117211821192120212121222123212421252126212721282129213021312132213321342135213621372138213921402141214221432144214521462147214821492150215121522153215421552156215721582159216021612162216321642165216621672168216921702171217221732174217521762177217821792180218121822183218421852186218721882189219021912192219321942195219621972198219922002201220222032204220522062207220822092210221122122213221422152216221722182219222022212222222322242225222622272228222922302231223222332234223522362237223822392240224122422243224422452246224722482249225022512252225322542255225622572258225922602261226222632264226522662267226822692270227122722273227422752276227722782279228022812282228322842285228622872288228922902291229222932294229522962297229822992300230123022303230423052306230723082309231023112312231323142315231623172318231923202321232223232324232523262327232823292330233123322333233423352336 |
- // SPDX-License-Identifier: GPL-2.0-only
- /*
- * Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
- */
- #define pr_fmt(fmt) "%s: " fmt, __func__
- #include <linux/kernel.h>
- #include <linux/err.h>
- #include <linux/iopoll.h>
- #include <linux/delay.h>
- #include <linux/of.h>
- #include <linux/platform_device.h>
- #include "dsi_pll.h"
- #include <dt-bindings/clock/mdss-5nm-pll-clk.h>
- #define VCO_DELAY_USEC 1
- #define MHZ_250 250000000UL
- #define MHZ_500 500000000UL
- #define MHZ_1000 1000000000UL
- #define MHZ_1100 1100000000UL
- #define MHZ_1900 1900000000UL
- #define MHZ_3000 3000000000UL
- /* Register Offsets from PLL base address */
- #define PLL_ANALOG_CONTROLS_ONE 0x0000
- #define PLL_ANALOG_CONTROLS_TWO 0x0004
- #define PLL_INT_LOOP_SETTINGS 0x0008
- #define PLL_INT_LOOP_SETTINGS_TWO 0x000C
- #define PLL_ANALOG_CONTROLS_THREE 0x0010
- #define PLL_ANALOG_CONTROLS_FOUR 0x0014
- #define PLL_ANALOG_CONTROLS_FIVE 0x0018
- #define PLL_INT_LOOP_CONTROLS 0x001C
- #define PLL_DSM_DIVIDER 0x0020
- #define PLL_FEEDBACK_DIVIDER 0x0024
- #define PLL_SYSTEM_MUXES 0x0028
- #define PLL_FREQ_UPDATE_CONTROL_OVERRIDES 0x002C
- #define PLL_CMODE 0x0030
- #define PLL_PSM_CTRL 0x0034
- #define PLL_RSM_CTRL 0x0038
- #define PLL_VCO_TUNE_MAP 0x003C
- #define PLL_PLL_CNTRL 0x0040
- #define PLL_CALIBRATION_SETTINGS 0x0044
- #define PLL_BAND_SEL_CAL_TIMER_LOW 0x0048
- #define PLL_BAND_SEL_CAL_TIMER_HIGH 0x004C
- #define PLL_BAND_SEL_CAL_SETTINGS 0x0050
- #define PLL_BAND_SEL_MIN 0x0054
- #define PLL_BAND_SEL_MAX 0x0058
- #define PLL_BAND_SEL_PFILT 0x005C
- #define PLL_BAND_SEL_IFILT 0x0060
- #define PLL_BAND_SEL_CAL_SETTINGS_TWO 0x0064
- #define PLL_BAND_SEL_CAL_SETTINGS_THREE 0x0068
- #define PLL_BAND_SEL_CAL_SETTINGS_FOUR 0x006C
- #define PLL_BAND_SEL_ICODE_HIGH 0x0070
- #define PLL_BAND_SEL_ICODE_LOW 0x0074
- #define PLL_FREQ_DETECT_SETTINGS_ONE 0x0078
- #define PLL_FREQ_DETECT_THRESH 0x007C
- #define PLL_FREQ_DET_REFCLK_HIGH 0x0080
- #define PLL_FREQ_DET_REFCLK_LOW 0x0084
- #define PLL_FREQ_DET_PLLCLK_HIGH 0x0088
- #define PLL_FREQ_DET_PLLCLK_LOW 0x008C
- #define PLL_PFILT 0x0090
- #define PLL_IFILT 0x0094
- #define PLL_PLL_GAIN 0x0098
- #define PLL_ICODE_LOW 0x009C
- #define PLL_ICODE_HIGH 0x00A0
- #define PLL_LOCKDET 0x00A4
- #define PLL_OUTDIV 0x00A8
- #define PLL_FASTLOCK_CONTROL 0x00AC
- #define PLL_PASS_OUT_OVERRIDE_ONE 0x00B0
- #define PLL_PASS_OUT_OVERRIDE_TWO 0x00B4
- #define PLL_CORE_OVERRIDE 0x00B8
- #define PLL_CORE_INPUT_OVERRIDE 0x00BC
- #define PLL_RATE_CHANGE 0x00C0
- #define PLL_PLL_DIGITAL_TIMERS 0x00C4
- #define PLL_PLL_DIGITAL_TIMERS_TWO 0x00C8
- #define PLL_DECIMAL_DIV_START 0x00CC
- #define PLL_FRAC_DIV_START_LOW 0x00D0
- #define PLL_FRAC_DIV_START_MID 0x00D4
- #define PLL_FRAC_DIV_START_HIGH 0x00D8
- #define PLL_DEC_FRAC_MUXES 0x00DC
- #define PLL_DECIMAL_DIV_START_1 0x00E0
- #define PLL_FRAC_DIV_START_LOW_1 0x00E4
- #define PLL_FRAC_DIV_START_MID_1 0x00E8
- #define PLL_FRAC_DIV_START_HIGH_1 0x00EC
- #define PLL_DECIMAL_DIV_START_2 0x00F0
- #define PLL_FRAC_DIV_START_LOW_2 0x00F4
- #define PLL_FRAC_DIV_START_MID_2 0x00F8
- #define PLL_FRAC_DIV_START_HIGH_2 0x00FC
- #define PLL_MASH_CONTROL 0x0100
- #define PLL_SSC_STEPSIZE_LOW 0x0104
- #define PLL_SSC_STEPSIZE_HIGH 0x0108
- #define PLL_SSC_DIV_PER_LOW 0x010C
- #define PLL_SSC_DIV_PER_HIGH 0x0110
- #define PLL_SSC_ADJPER_LOW 0x0114
- #define PLL_SSC_ADJPER_HIGH 0x0118
- #define PLL_SSC_MUX_CONTROL 0x011C
- #define PLL_SSC_STEPSIZE_LOW_1 0x0120
- #define PLL_SSC_STEPSIZE_HIGH_1 0x0124
- #define PLL_SSC_DIV_PER_LOW_1 0x0128
- #define PLL_SSC_DIV_PER_HIGH_1 0x012C
- #define PLL_SSC_ADJPER_LOW_1 0x0130
- #define PLL_SSC_ADJPER_HIGH_1 0x0134
- #define PLL_SSC_STEPSIZE_LOW_2 0x0138
- #define PLL_SSC_STEPSIZE_HIGH_2 0x013C
- #define PLL_SSC_DIV_PER_LOW_2 0x0140
- #define PLL_SSC_DIV_PER_HIGH_2 0x0144
- #define PLL_SSC_ADJPER_LOW_2 0x0148
- #define PLL_SSC_ADJPER_HIGH_2 0x014C
- #define PLL_SSC_CONTROL 0x0150
- #define PLL_PLL_OUTDIV_RATE 0x0154
- #define PLL_PLL_LOCKDET_RATE_1 0x0158
- #define PLL_PLL_LOCKDET_RATE_2 0x015C
- #define PLL_PLL_PROP_GAIN_RATE_1 0x0160
- #define PLL_PLL_PROP_GAIN_RATE_2 0x0164
- #define PLL_PLL_BAND_SEL_RATE_1 0x0168
- #define PLL_PLL_BAND_SEL_RATE_2 0x016C
- #define PLL_PLL_INT_GAIN_IFILT_BAND_1 0x0170
- #define PLL_PLL_INT_GAIN_IFILT_BAND_2 0x0174
- #define PLL_PLL_FL_INT_GAIN_PFILT_BAND_1 0x0178
- #define PLL_PLL_FL_INT_GAIN_PFILT_BAND_2 0x017C
- #define PLL_PLL_FASTLOCK_EN_BAND 0x0180
- #define PLL_FREQ_TUNE_ACCUM_INIT_MID 0x0184
- #define PLL_FREQ_TUNE_ACCUM_INIT_HIGH 0x0188
- #define PLL_FREQ_TUNE_ACCUM_INIT_MUX 0x018C
- #define PLL_PLL_LOCK_OVERRIDE 0x0190
- #define PLL_PLL_LOCK_DELAY 0x0194
- #define PLL_PLL_LOCK_MIN_DELAY 0x0198
- #define PLL_CLOCK_INVERTERS 0x019C
- #define PLL_SPARE_AND_JPC_OVERRIDES 0x01A0
- #define PLL_BIAS_CONTROL_1 0x01A4
- #define PLL_BIAS_CONTROL_2 0x01A8
- #define PLL_ALOG_OBSV_BUS_CTRL_1 0x01AC
- #define PLL_COMMON_STATUS_ONE 0x01B0
- #define PLL_COMMON_STATUS_TWO 0x01B4
- #define PLL_BAND_SEL_CAL 0x01B8
- #define PLL_ICODE_ACCUM_STATUS_LOW 0x01BC
- #define PLL_ICODE_ACCUM_STATUS_HIGH 0x01C0
- #define PLL_FD_OUT_LOW 0x01C4
- #define PLL_FD_OUT_HIGH 0x01C8
- #define PLL_ALOG_OBSV_BUS_STATUS_1 0x01CC
- #define PLL_PLL_MISC_CONFIG 0x01D0
- #define PLL_FLL_CONFIG 0x01D4
- #define PLL_FLL_FREQ_ACQ_TIME 0x01D8
- #define PLL_FLL_CODE0 0x01DC
- #define PLL_FLL_CODE1 0x01E0
- #define PLL_FLL_GAIN0 0x01E4
- #define PLL_FLL_GAIN1 0x01E8
- #define PLL_SW_RESET 0x01EC
- #define PLL_FAST_PWRUP 0x01F0
- #define PLL_LOCKTIME0 0x01F4
- #define PLL_LOCKTIME1 0x01F8
- #define PLL_DEBUG_BUS_SEL 0x01FC
- #define PLL_DEBUG_BUS0 0x0200
- #define PLL_DEBUG_BUS1 0x0204
- #define PLL_DEBUG_BUS2 0x0208
- #define PLL_DEBUG_BUS3 0x020C
- #define PLL_ANALOG_FLL_CONTROL_OVERRIDES 0x0210
- #define PLL_VCO_CONFIG 0x0214
- #define PLL_VCO_CAL_CODE1_MODE0_STATUS 0x0218
- #define PLL_VCO_CAL_CODE1_MODE1_STATUS 0x021C
- #define PLL_RESET_SM_STATUS 0x0220
- #define PLL_TDC_OFFSET 0x0224
- #define PLL_PS3_PWRDOWN_CONTROLS 0x0228
- #define PLL_PS4_PWRDOWN_CONTROLS 0x022C
- #define PLL_PLL_RST_CONTROLS 0x0230
- #define PLL_GEAR_BAND_SELECT_CONTROLS 0x0234
- #define PLL_PSM_CLK_CONTROLS 0x0238
- #define PLL_SYSTEM_MUXES_2 0x023C
- #define PLL_VCO_CONFIG_1 0x0240
- #define PLL_VCO_CONFIG_2 0x0244
- #define PLL_CLOCK_INVERTERS_1 0x0248
- #define PLL_CLOCK_INVERTERS_2 0x024C
- #define PLL_CMODE_1 0x0250
- #define PLL_CMODE_2 0x0254
- #define PLL_ANALOG_CONTROLS_FIVE_1 0x0258
- #define PLL_ANALOG_CONTROLS_FIVE_2 0x025C
- #define PLL_PERF_OPTIMIZE 0x0260
- /* Register Offsets from PHY base address */
- #define PHY_CMN_CLK_CFG0 0x010
- #define PHY_CMN_CLK_CFG1 0x014
- #define PHY_CMN_RBUF_CTRL 0x01C
- #define PHY_CMN_CTRL_0 0x024
- #define PHY_CMN_CTRL_2 0x02C
- #define PHY_CMN_CTRL_3 0x030
- #define PHY_CMN_PLL_CNTRL 0x03C
- #define PHY_CMN_GLBL_DIGTOP_SPARE4 0x128
- /* Bit definition of SSC control registers */
- #define SSC_CENTER BIT(0)
- #define SSC_EN BIT(1)
- #define SSC_FREQ_UPDATE BIT(2)
- #define SSC_FREQ_UPDATE_MUX BIT(3)
- #define SSC_UPDATE_SSC BIT(4)
- #define SSC_UPDATE_SSC_MUX BIT(5)
- #define SSC_START BIT(6)
- #define SSC_START_MUX BIT(7)
- /* Dynamic Refresh Control Registers */
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL0 (0x014)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL1 (0x018)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL2 (0x01C)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL3 (0x020)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL4 (0x024)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL5 (0x028)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL6 (0x02C)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL7 (0x030)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL8 (0x034)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL9 (0x038)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL10 (0x03C)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL11 (0x040)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL12 (0x044)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL13 (0x048)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL14 (0x04C)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL15 (0x050)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL16 (0x054)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL17 (0x058)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL18 (0x05C)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL19 (0x060)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL20 (0x064)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL21 (0x068)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL22 (0x06C)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL23 (0x070)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL24 (0x074)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL25 (0x078)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL26 (0x07C)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL27 (0x080)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL28 (0x084)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL29 (0x088)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL30 (0x08C)
- #define DSI_DYNAMIC_REFRESH_PLL_CTRL31 (0x090)
- #define DSI_DYNAMIC_REFRESH_PLL_UPPER_ADDR (0x094)
- #define DSI_DYNAMIC_REFRESH_PLL_UPPER_ADDR2 (0x098)
- #define DSI_PHY_TO_PLL_OFFSET (0x500)
- enum {
- DSI_PLL_0,
- DSI_PLL_1,
- DSI_PLL_MAX
- };
- struct dsi_pll_regs {
- u32 pll_prop_gain_rate;
- u32 pll_lockdet_rate;
- u32 decimal_div_start;
- u32 frac_div_start_low;
- u32 frac_div_start_mid;
- u32 frac_div_start_high;
- u32 pll_clock_inverters;
- u32 ssc_stepsize_low;
- u32 ssc_stepsize_high;
- u32 ssc_div_per_low;
- u32 ssc_div_per_high;
- u32 ssc_adjper_low;
- u32 ssc_adjper_high;
- u32 ssc_control;
- };
- struct dsi_pll_config {
- u32 ref_freq;
- bool div_override;
- u32 output_div;
- bool ignore_frac;
- bool disable_prescaler;
- bool enable_ssc;
- bool ssc_center;
- u32 dec_bits;
- u32 frac_bits;
- u32 lock_timer;
- u32 ssc_freq;
- u32 ssc_offset;
- u32 ssc_adj_per;
- u32 thresh_cycles;
- u32 refclk_cycles;
- };
- struct dsi_pll_5nm {
- struct dsi_pll_resource *rsc;
- struct dsi_pll_config pll_configuration;
- struct dsi_pll_regs reg_setup;
- };
- static inline bool dsi_pll_5nm_is_hw_revision(
- struct dsi_pll_resource *rsc)
- {
- return (rsc->pll_revision == DSI_PLL_5NM) ?
- true : false;
- }
- static inline int pll_reg_read(void *context, unsigned int reg,
- unsigned int *val)
- {
- int rc = 0;
- u32 data;
- struct dsi_pll_resource *rsc = context;
- data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CTRL_0);
- DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CTRL_0, data | BIT(5));
- ndelay(250);
- *val = DSI_PLL_REG_R(rsc->pll_base, reg);
- DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CTRL_0, data);
- return rc;
- }
- static inline int pll_reg_write(void *context, unsigned int reg,
- unsigned int val)
- {
- int rc = 0;
- struct dsi_pll_resource *rsc = context;
- DSI_PLL_REG_W(rsc->pll_base, reg, val);
- return rc;
- }
- static inline int phy_reg_read(void *context, unsigned int reg,
- unsigned int *val)
- {
- int rc = 0;
- struct dsi_pll_resource *rsc = context;
- *val = DSI_PLL_REG_R(rsc->phy_base, reg);
- return rc;
- }
- static inline int phy_reg_write(void *context, unsigned int reg,
- unsigned int val)
- {
- int rc = 0;
- struct dsi_pll_resource *rsc = context;
- DSI_PLL_REG_W(rsc->phy_base, reg, val);
- return rc;
- }
- static inline int phy_reg_update_bits_sub(struct dsi_pll_resource *rsc,
- unsigned int reg, unsigned int mask, unsigned int val)
- {
- u32 reg_val;
- reg_val = DSI_PLL_REG_R(rsc->phy_base, reg);
- reg_val &= ~mask;
- reg_val |= (val & mask);
- DSI_PLL_REG_W(rsc->phy_base, reg, reg_val);
- return 0;
- }
- static inline int phy_reg_update_bits(void *context, unsigned int reg,
- unsigned int mask, unsigned int val)
- {
- int rc = 0;
- struct dsi_pll_resource *rsc = context;
- rc = phy_reg_update_bits_sub(rsc, reg, mask, val);
- if (!rc && rsc->slave)
- rc = phy_reg_update_bits_sub(rsc->slave, reg, mask, val);
- return rc;
- }
- static inline int pclk_mux_read_sel(void *context, unsigned int reg,
- unsigned int *val)
- {
- int rc = 0;
- struct dsi_pll_resource *rsc = context;
- *val = (DSI_PLL_REG_R(rsc->phy_base, reg) & 0x3);
- return rc;
- }
- static inline int pclk_mux_write_sel_sub(struct dsi_pll_resource *rsc,
- unsigned int reg, unsigned int val)
- {
- u32 reg_val;
- reg_val = DSI_PLL_REG_R(rsc->phy_base, reg);
- reg_val &= ~0x03;
- reg_val |= val;
- DSI_PLL_REG_W(rsc->phy_base, reg, reg_val);
- return 0;
- }
- static inline int pclk_mux_write_sel(void *context, unsigned int reg,
- unsigned int val)
- {
- int rc = 0;
- struct dsi_pll_resource *rsc = context;
- rc = pclk_mux_write_sel_sub(rsc, reg, val);
- if (!rc && rsc->slave)
- rc = pclk_mux_write_sel_sub(rsc->slave, reg, val);
- /*
- * cache the current parent index for cases where parent
- * is not changing but rate is changing. In that case
- * clock framework won't call parent_set and hence dsiclk_sel
- * bit won't be programmed. e.g. dfps update use case.
- */
- rsc->cached_cfg1 = val;
- return rc;
- }
- static int dsi_pll_5nm_get_gdsc_status(struct dsi_pll_resource *rsc)
- {
- u32 reg = 0;
- bool status;
- reg = DSI_PLL_REG_R(rsc->gdsc_base, 0x0);
- status = reg & BIT(31);
- pr_err("reg:0x%x status:%d\n", reg, status);
- return status;
- }
- static struct dsi_pll_resource *pll_rsc_db[DSI_PLL_MAX];
- static struct dsi_pll_5nm plls[DSI_PLL_MAX];
- static void dsi_pll_config_slave(struct dsi_pll_resource *rsc)
- {
- u32 reg;
- struct dsi_pll_resource *orsc = pll_rsc_db[DSI_PLL_1];
- if (!rsc)
- return;
- /* Only DSI PLL0 can act as a master */
- if (rsc->index != DSI_PLL_0)
- return;
- /* default configuration: source is either internal or ref clock */
- rsc->slave = NULL;
- if (!orsc) {
- pr_warn("slave PLL unavilable, assuming standalone config\n");
- return;
- }
- /* check to see if the source of DSI1 PLL bitclk is set to external */
- reg = DSI_PLL_REG_R(orsc->phy_base, PHY_CMN_CLK_CFG1);
- reg &= (BIT(2) | BIT(3));
- if (reg == 0x04)
- rsc->slave = pll_rsc_db[DSI_PLL_1]; /* external source */
- pr_debug("Slave PLL %s\n", rsc->slave ? "configured" : "absent");
- }
- static void dsi_pll_setup_config(struct dsi_pll_5nm *pll,
- struct dsi_pll_resource *rsc)
- {
- struct dsi_pll_config *config = &pll->pll_configuration;
- config->ref_freq = 19200000;
- config->output_div = 1;
- config->dec_bits = 8;
- config->frac_bits = 18;
- config->lock_timer = 64;
- config->ssc_freq = 31500;
- config->ssc_offset = 4800;
- config->ssc_adj_per = 2;
- config->thresh_cycles = 32;
- config->refclk_cycles = 256;
- config->div_override = false;
- config->ignore_frac = false;
- config->disable_prescaler = false;
- config->enable_ssc = rsc->ssc_en;
- config->ssc_center = rsc->ssc_center;
- if (config->enable_ssc) {
- if (rsc->ssc_freq)
- config->ssc_freq = rsc->ssc_freq;
- if (rsc->ssc_ppm)
- config->ssc_offset = rsc->ssc_ppm;
- }
- dsi_pll_config_slave(rsc);
- }
- static void dsi_pll_calc_dec_frac(struct dsi_pll_5nm *pll,
- struct dsi_pll_resource *rsc)
- {
- struct dsi_pll_config *config = &pll->pll_configuration;
- struct dsi_pll_regs *regs = &pll->reg_setup;
- u64 fref = rsc->vco_ref_clk_rate;
- u64 pll_freq;
- u64 divider;
- u64 dec, dec_multiple;
- u32 frac;
- u64 multiplier;
- pll_freq = rsc->vco_current_rate;
- if (config->disable_prescaler)
- divider = fref;
- else
- divider = fref * 2;
- multiplier = 1 << config->frac_bits;
- dec_multiple = div_u64(pll_freq * multiplier, divider);
- div_u64_rem(dec_multiple, multiplier, &frac);
- dec = div_u64(dec_multiple, multiplier);
- switch (rsc->pll_revision) {
- case DSI_PLL_5NM:
- default:
- if (pll_freq <= 1000000000)
- regs->pll_clock_inverters = 0xA0;
- else if (pll_freq <= 2500000000)
- regs->pll_clock_inverters = 0x20;
- else if (pll_freq <= 3500000000)
- regs->pll_clock_inverters = 0x00;
- else
- regs->pll_clock_inverters = 0x40;
- break;
- }
- regs->pll_lockdet_rate = config->lock_timer;
- regs->decimal_div_start = dec;
- regs->frac_div_start_low = (frac & 0xff);
- regs->frac_div_start_mid = (frac & 0xff00) >> 8;
- regs->frac_div_start_high = (frac & 0x30000) >> 16;
- regs->pll_prop_gain_rate = 10;
- }
- static void dsi_pll_calc_ssc(struct dsi_pll_5nm *pll,
- struct dsi_pll_resource *rsc)
- {
- struct dsi_pll_config *config = &pll->pll_configuration;
- struct dsi_pll_regs *regs = &pll->reg_setup;
- u32 ssc_per;
- u32 ssc_mod;
- u64 ssc_step_size;
- u64 frac;
- if (!config->enable_ssc) {
- pr_debug("SSC not enabled\n");
- return;
- }
- ssc_per = DIV_ROUND_CLOSEST(config->ref_freq, config->ssc_freq) / 2 - 1;
- ssc_mod = (ssc_per + 1) % (config->ssc_adj_per + 1);
- ssc_per -= ssc_mod;
- frac = regs->frac_div_start_low |
- (regs->frac_div_start_mid << 8) |
- (regs->frac_div_start_high << 16);
- ssc_step_size = regs->decimal_div_start;
- ssc_step_size *= (1 << config->frac_bits);
- ssc_step_size += frac;
- ssc_step_size *= config->ssc_offset;
- ssc_step_size *= (config->ssc_adj_per + 1);
- ssc_step_size = div_u64(ssc_step_size, (ssc_per + 1));
- ssc_step_size = DIV_ROUND_CLOSEST_ULL(ssc_step_size, 1000000);
- regs->ssc_div_per_low = ssc_per & 0xFF;
- regs->ssc_div_per_high = (ssc_per & 0xFF00) >> 8;
- regs->ssc_stepsize_low = (u32)(ssc_step_size & 0xFF);
- regs->ssc_stepsize_high = (u32)((ssc_step_size & 0xFF00) >> 8);
- regs->ssc_adjper_low = config->ssc_adj_per & 0xFF;
- regs->ssc_adjper_high = (config->ssc_adj_per & 0xFF00) >> 8;
- regs->ssc_control = config->ssc_center ? SSC_CENTER : 0;
- pr_debug("SCC: Dec:%d, frac:%llu, frac_bits:%d\n",
- regs->decimal_div_start, frac, config->frac_bits);
- pr_debug("SSC: div_per:0x%X, stepsize:0x%X, adjper:0x%X\n",
- ssc_per, (u32)ssc_step_size, config->ssc_adj_per);
- }
- static void dsi_pll_ssc_commit(struct dsi_pll_5nm *pll,
- struct dsi_pll_resource *rsc)
- {
- void __iomem *pll_base = rsc->pll_base;
- struct dsi_pll_regs *regs = &pll->reg_setup;
- if (pll->pll_configuration.enable_ssc) {
- pr_debug("SSC is enabled\n");
- DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_LOW_1,
- regs->ssc_stepsize_low);
- DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_HIGH_1,
- regs->ssc_stepsize_high);
- DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_LOW_1,
- regs->ssc_div_per_low);
- DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_HIGH_1,
- regs->ssc_div_per_high);
- DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_LOW_1,
- regs->ssc_adjper_low);
- DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_HIGH_1,
- regs->ssc_adjper_high);
- DSI_PLL_REG_W(pll_base, PLL_SSC_CONTROL,
- SSC_EN | regs->ssc_control);
- }
- }
- static void dsi_pll_config_hzindep_reg(struct dsi_pll_5nm *pll,
- struct dsi_pll_resource *rsc)
- {
- void __iomem *pll_base = rsc->pll_base;
- u64 vco_rate = rsc->vco_current_rate;
- switch (rsc->pll_revision) {
- case DSI_PLL_5NM:
- default:
- if (vco_rate < 3100000000)
- DSI_PLL_REG_W(pll_base,
- PLL_ANALOG_CONTROLS_FIVE_1, 0x01);
- else
- DSI_PLL_REG_W(pll_base,
- PLL_ANALOG_CONTROLS_FIVE_1, 0x03);
- if (vco_rate < 1520000000)
- DSI_PLL_REG_W(pll_base, PLL_VCO_CONFIG_1, 0x08);
- else if (vco_rate < 2990000000)
- DSI_PLL_REG_W(pll_base, PLL_VCO_CONFIG_1, 0x00);
- else
- DSI_PLL_REG_W(pll_base, PLL_VCO_CONFIG_1, 0x01);
- break;
- }
- DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_FIVE, 0x01);
- DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_TWO, 0x03);
- DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_THREE, 0x00);
- DSI_PLL_REG_W(pll_base, PLL_DSM_DIVIDER, 0x00);
- DSI_PLL_REG_W(pll_base, PLL_FEEDBACK_DIVIDER, 0x4e);
- DSI_PLL_REG_W(pll_base, PLL_CALIBRATION_SETTINGS, 0x40);
- DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_SETTINGS_THREE, 0xba);
- DSI_PLL_REG_W(pll_base, PLL_FREQ_DETECT_SETTINGS_ONE, 0x0c);
- DSI_PLL_REG_W(pll_base, PLL_OUTDIV, 0x00);
- DSI_PLL_REG_W(pll_base, PLL_CORE_OVERRIDE, 0x00);
- DSI_PLL_REG_W(pll_base, PLL_PLL_DIGITAL_TIMERS_TWO, 0x08);
- DSI_PLL_REG_W(pll_base, PLL_PLL_PROP_GAIN_RATE_1, 0x0a);
- DSI_PLL_REG_W(pll_base, PLL_PLL_BAND_SEL_RATE_1, 0xc0);
- DSI_PLL_REG_W(pll_base, PLL_PLL_INT_GAIN_IFILT_BAND_1, 0x84);
- DSI_PLL_REG_W(pll_base, PLL_PLL_INT_GAIN_IFILT_BAND_1, 0x82);
- DSI_PLL_REG_W(pll_base, PLL_PLL_FL_INT_GAIN_PFILT_BAND_1, 0x4c);
- DSI_PLL_REG_W(pll_base, PLL_PLL_LOCK_OVERRIDE, 0x80);
- DSI_PLL_REG_W(pll_base, PLL_PFILT, 0x29);
- DSI_PLL_REG_W(pll_base, PLL_PFILT, 0x2f);
- DSI_PLL_REG_W(pll_base, PLL_IFILT, 0x2a);
- switch (rsc->pll_revision) {
- case DSI_PLL_5NM:
- default:
- DSI_PLL_REG_W(pll_base, PLL_IFILT, 0x3F);
- break;
- }
- DSI_PLL_REG_W(pll_base, PLL_PERF_OPTIMIZE, 0x22);
- if (rsc->slave)
- DSI_PLL_REG_W(rsc->slave->pll_base, PLL_PERF_OPTIMIZE, 0x22);
- }
- static void dsi_pll_init_val(struct dsi_pll_resource *rsc)
- {
- void __iomem *pll_base = rsc->pll_base;
- DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_ONE, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_INT_LOOP_SETTINGS, 0x0000003F);
- DSI_PLL_REG_W(pll_base, PLL_INT_LOOP_SETTINGS_TWO, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_FOUR, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_INT_LOOP_CONTROLS, 0x00000080);
- DSI_PLL_REG_W(pll_base, PLL_SYSTEM_MUXES, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_FREQ_UPDATE_CONTROL_OVERRIDES, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_CMODE, 0x00000010);
- DSI_PLL_REG_W(pll_base, PLL_PSM_CTRL, 0x00000020);
- DSI_PLL_REG_W(pll_base, PLL_RSM_CTRL, 0x00000010);
- DSI_PLL_REG_W(pll_base, PLL_VCO_TUNE_MAP, 0x00000002);
- DSI_PLL_REG_W(pll_base, PLL_PLL_CNTRL, 0x0000001C);
- DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_TIMER_LOW, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_TIMER_HIGH, 0x00000002);
- DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_SETTINGS, 0x00000020);
- DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_MIN, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_MAX, 0x000000FF);
- DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_PFILT, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_IFILT, 0x0000000A);
- DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_SETTINGS_TWO, 0x00000025);
- DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_SETTINGS_THREE, 0x000000BA);
- DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL_SETTINGS_FOUR, 0x0000004F);
- DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_ICODE_HIGH, 0x0000000A);
- DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_ICODE_LOW, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_FREQ_DETECT_SETTINGS_ONE, 0x0000000C);
- DSI_PLL_REG_W(pll_base, PLL_FREQ_DETECT_THRESH, 0x00000020);
- DSI_PLL_REG_W(pll_base, PLL_FREQ_DET_REFCLK_HIGH, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_FREQ_DET_REFCLK_LOW, 0x000000FF);
- DSI_PLL_REG_W(pll_base, PLL_FREQ_DET_PLLCLK_HIGH, 0x00000010);
- DSI_PLL_REG_W(pll_base, PLL_FREQ_DET_PLLCLK_LOW, 0x00000046);
- DSI_PLL_REG_W(pll_base, PLL_PLL_GAIN, 0x00000054);
- DSI_PLL_REG_W(pll_base, PLL_ICODE_LOW, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_ICODE_HIGH, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_LOCKDET, 0x00000040);
- DSI_PLL_REG_W(pll_base, PLL_FASTLOCK_CONTROL, 0x00000004);
- DSI_PLL_REG_W(pll_base, PLL_PASS_OUT_OVERRIDE_ONE, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_PASS_OUT_OVERRIDE_TWO, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_CORE_OVERRIDE, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_CORE_INPUT_OVERRIDE, 0x00000010);
- DSI_PLL_REG_W(pll_base, PLL_RATE_CHANGE, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_PLL_DIGITAL_TIMERS, 0x00000008);
- DSI_PLL_REG_W(pll_base, PLL_PLL_DIGITAL_TIMERS_TWO, 0x00000008);
- DSI_PLL_REG_W(pll_base, PLL_DEC_FRAC_MUXES, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_MASH_CONTROL, 0x00000003);
- DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_LOW, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_HIGH, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_LOW, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_HIGH, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_LOW, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_HIGH, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_MUX_CONTROL, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_LOW_1, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_HIGH_1, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_LOW_1, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_HIGH_1, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_LOW_1, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_HIGH_1, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_LOW_2, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_STEPSIZE_HIGH_2, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_LOW_2, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_DIV_PER_HIGH_2, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_LOW_2, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_ADJPER_HIGH_2, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SSC_CONTROL, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_PLL_OUTDIV_RATE, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_PLL_LOCKDET_RATE_1, 0x00000040);
- DSI_PLL_REG_W(pll_base, PLL_PLL_LOCKDET_RATE_2, 0x00000040);
- DSI_PLL_REG_W(pll_base, PLL_PLL_PROP_GAIN_RATE_1, 0x0000000C);
- DSI_PLL_REG_W(pll_base, PLL_PLL_PROP_GAIN_RATE_2, 0x0000000A);
- DSI_PLL_REG_W(pll_base, PLL_PLL_BAND_SEL_RATE_1, 0x000000C0);
- DSI_PLL_REG_W(pll_base, PLL_PLL_BAND_SEL_RATE_2, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_PLL_INT_GAIN_IFILT_BAND_1, 0x00000054);
- DSI_PLL_REG_W(pll_base, PLL_PLL_INT_GAIN_IFILT_BAND_2, 0x00000054);
- DSI_PLL_REG_W(pll_base, PLL_PLL_FL_INT_GAIN_PFILT_BAND_1, 0x0000004C);
- DSI_PLL_REG_W(pll_base, PLL_PLL_FL_INT_GAIN_PFILT_BAND_2, 0x0000004C);
- DSI_PLL_REG_W(pll_base, PLL_PLL_FASTLOCK_EN_BAND, 0x00000003);
- DSI_PLL_REG_W(pll_base, PLL_FREQ_TUNE_ACCUM_INIT_MID, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_FREQ_TUNE_ACCUM_INIT_HIGH, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_FREQ_TUNE_ACCUM_INIT_MUX, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_PLL_LOCK_OVERRIDE, 0x00000080);
- DSI_PLL_REG_W(pll_base, PLL_PLL_LOCK_DELAY, 0x00000006);
- DSI_PLL_REG_W(pll_base, PLL_PLL_LOCK_MIN_DELAY, 0x00000019);
- DSI_PLL_REG_W(pll_base, PLL_CLOCK_INVERTERS, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SPARE_AND_JPC_OVERRIDES, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_BIAS_CONTROL_1, 0x00000040);
- DSI_PLL_REG_W(pll_base, PLL_BIAS_CONTROL_2, 0x00000020);
- DSI_PLL_REG_W(pll_base, PLL_ALOG_OBSV_BUS_CTRL_1, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_COMMON_STATUS_ONE, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_COMMON_STATUS_TWO, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_BAND_SEL_CAL, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_ICODE_ACCUM_STATUS_LOW, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_ICODE_ACCUM_STATUS_HIGH, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_FD_OUT_LOW, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_FD_OUT_HIGH, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_ALOG_OBSV_BUS_STATUS_1, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_PLL_MISC_CONFIG, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_FLL_CONFIG, 0x00000002);
- DSI_PLL_REG_W(pll_base, PLL_FLL_FREQ_ACQ_TIME, 0x00000011);
- DSI_PLL_REG_W(pll_base, PLL_FLL_CODE0, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_FLL_CODE1, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_FLL_GAIN0, 0x00000080);
- DSI_PLL_REG_W(pll_base, PLL_FLL_GAIN1, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_SW_RESET, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_FAST_PWRUP, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_LOCKTIME0, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_LOCKTIME1, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_DEBUG_BUS_SEL, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_DEBUG_BUS0, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_DEBUG_BUS1, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_DEBUG_BUS2, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_DEBUG_BUS3, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_ANALOG_FLL_CONTROL_OVERRIDES, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_VCO_CONFIG, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_VCO_CAL_CODE1_MODE0_STATUS, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_VCO_CAL_CODE1_MODE1_STATUS, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_RESET_SM_STATUS, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_TDC_OFFSET, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_PS3_PWRDOWN_CONTROLS, 0x0000001D);
- DSI_PLL_REG_W(pll_base, PLL_PS4_PWRDOWN_CONTROLS, 0x0000001C);
- DSI_PLL_REG_W(pll_base, PLL_PLL_RST_CONTROLS, 0x000000FF);
- DSI_PLL_REG_W(pll_base, PLL_GEAR_BAND_SELECT_CONTROLS, 0x00000022);
- DSI_PLL_REG_W(pll_base, PLL_PSM_CLK_CONTROLS, 0x00000009);
- DSI_PLL_REG_W(pll_base, PLL_SYSTEM_MUXES_2, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_VCO_CONFIG_1, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_VCO_CONFIG_2, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_CLOCK_INVERTERS_1, 0x00000040);
- DSI_PLL_REG_W(pll_base, PLL_CLOCK_INVERTERS_2, 0x00000000);
- DSI_PLL_REG_W(pll_base, PLL_CMODE_1, 0x00000010);
- DSI_PLL_REG_W(pll_base, PLL_CMODE_2, 0x00000010);
- DSI_PLL_REG_W(pll_base, PLL_ANALOG_CONTROLS_FIVE_2, 0x00000003);
- }
- static void dsi_pll_commit(struct dsi_pll_5nm *pll,
- struct dsi_pll_resource *rsc)
- {
- void __iomem *pll_base = rsc->pll_base;
- struct dsi_pll_regs *reg = &pll->reg_setup;
- DSI_PLL_REG_W(pll_base, PLL_CORE_INPUT_OVERRIDE, 0x12);
- DSI_PLL_REG_W(pll_base, PLL_DECIMAL_DIV_START_1,
- reg->decimal_div_start);
- DSI_PLL_REG_W(pll_base, PLL_FRAC_DIV_START_LOW_1,
- reg->frac_div_start_low);
- DSI_PLL_REG_W(pll_base, PLL_FRAC_DIV_START_MID_1,
- reg->frac_div_start_mid);
- DSI_PLL_REG_W(pll_base, PLL_FRAC_DIV_START_HIGH_1,
- reg->frac_div_start_high);
- DSI_PLL_REG_W(pll_base, PLL_PLL_LOCKDET_RATE_1, 0x40);
- DSI_PLL_REG_W(pll_base, PLL_PLL_LOCK_DELAY, 0x06);
- DSI_PLL_REG_W(pll_base, PLL_CMODE_1, 0x10);
- DSI_PLL_REG_W(pll_base, PLL_CLOCK_INVERTERS_1,
- reg->pll_clock_inverters);
- }
- static int vco_5nm_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
- {
- struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
- struct dsi_pll_resource *rsc = vco->priv;
- struct dsi_pll_5nm *pll;
- if (!rsc) {
- pr_err("pll resource not found\n");
- return -EINVAL;
- }
- if (rsc->pll_on)
- return 0;
- pll = rsc->priv;
- if (!pll) {
- pr_err("pll configuration not found\n");
- return -EINVAL;
- }
- pr_debug("ndx=%d, rate=%lu\n", rsc->index, rate);
- rsc->vco_current_rate = rate;
- rsc->vco_ref_clk_rate = vco->ref_clk_rate;
- rsc->dfps_trigger = false;
- dsi_pll_init_val(rsc);
- dsi_pll_setup_config(pll, rsc);
- dsi_pll_calc_dec_frac(pll, rsc);
- dsi_pll_calc_ssc(pll, rsc);
- dsi_pll_commit(pll, rsc);
- dsi_pll_config_hzindep_reg(pll, rsc);
- dsi_pll_ssc_commit(pll, rsc);
- /* flush, ensure all register writes are done*/
- wmb();
- return 0;
- }
- static int dsi_pll_read_stored_trim_codes(struct dsi_pll_resource *pll_res,
- unsigned long vco_clk_rate)
- {
- int i;
- bool found = false;
- if (!pll_res->dfps)
- return -EINVAL;
- for (i = 0; i < pll_res->dfps->vco_rate_cnt; i++) {
- struct dfps_codes_info *codes_info =
- &pll_res->dfps->codes_dfps[i];
- pr_debug("valid=%d vco_rate=%d, code %d %d %d\n",
- codes_info->is_valid, codes_info->clk_rate,
- codes_info->pll_codes.pll_codes_1,
- codes_info->pll_codes.pll_codes_2,
- codes_info->pll_codes.pll_codes_3);
- if (vco_clk_rate != codes_info->clk_rate &&
- codes_info->is_valid)
- continue;
- pll_res->cache_pll_trim_codes[0] =
- codes_info->pll_codes.pll_codes_1;
- pll_res->cache_pll_trim_codes[1] =
- codes_info->pll_codes.pll_codes_2;
- pll_res->cache_pll_trim_codes[2] =
- codes_info->pll_codes.pll_codes_3;
- found = true;
- break;
- }
- if (!found)
- return -EINVAL;
- pr_debug("trim_code_0=0x%x trim_code_1=0x%x trim_code_2=0x%x\n",
- pll_res->cache_pll_trim_codes[0],
- pll_res->cache_pll_trim_codes[1],
- pll_res->cache_pll_trim_codes[2]);
- return 0;
- }
- static void shadow_dsi_pll_dynamic_refresh_5nm(struct dsi_pll_5nm *pll,
- struct dsi_pll_resource *rsc)
- {
- u32 data;
- u32 offset = DSI_PHY_TO_PLL_OFFSET;
- u32 upper_addr = 0;
- u32 upper_addr2 = 0;
- struct dsi_pll_regs *reg = &pll->reg_setup;
- data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG1);
- data &= ~BIT(5);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL0,
- PHY_CMN_CLK_CFG1, PHY_CMN_PLL_CNTRL, data, 0);
- upper_addr |= (upper_8_bit(PHY_CMN_CLK_CFG1) << 0);
- upper_addr |= (upper_8_bit(PHY_CMN_PLL_CNTRL) << 1);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL1,
- PHY_CMN_RBUF_CTRL,
- (PLL_CORE_INPUT_OVERRIDE + offset),
- 0, 0x12);
- upper_addr |= (upper_8_bit(PHY_CMN_RBUF_CTRL) << 2);
- upper_addr |= (upper_8_bit(PLL_CORE_INPUT_OVERRIDE + offset) << 3);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL2,
- (PLL_DECIMAL_DIV_START_1 + offset),
- (PLL_FRAC_DIV_START_LOW_1 + offset),
- reg->decimal_div_start, reg->frac_div_start_low);
- upper_addr |= (upper_8_bit(PLL_DECIMAL_DIV_START_1 + offset) << 4);
- upper_addr |= (upper_8_bit(PLL_FRAC_DIV_START_LOW_1 + offset) << 5);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL3,
- (PLL_FRAC_DIV_START_MID_1 + offset),
- (PLL_FRAC_DIV_START_HIGH_1 + offset),
- reg->frac_div_start_mid, reg->frac_div_start_high);
- upper_addr |= (upper_8_bit(PLL_FRAC_DIV_START_MID_1 + offset) << 6);
- upper_addr |= (upper_8_bit(PLL_FRAC_DIV_START_HIGH_1 + offset) << 7);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL4,
- (PLL_SYSTEM_MUXES + offset),
- (PLL_PLL_LOCKDET_RATE_1 + offset),
- 0xc0, 0x10);
- upper_addr |= (upper_8_bit(PLL_SYSTEM_MUXES + offset) << 8);
- upper_addr |= (upper_8_bit(PLL_PLL_LOCKDET_RATE_1 + offset) << 9);
- data = DSI_PLL_REG_R(rsc->pll_base, PLL_PLL_OUTDIV_RATE) & 0x03;
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL5,
- (PLL_PLL_OUTDIV_RATE + offset),
- (PLL_PLL_LOCK_DELAY + offset),
- data, 0x06);
- upper_addr |= (upper_8_bit(PLL_PLL_OUTDIV_RATE + offset) << 10);
- upper_addr |= (upper_8_bit(PLL_PLL_LOCK_DELAY + offset) << 11);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL6,
- (PLL_CMODE_1 + offset),
- (PLL_CLOCK_INVERTERS_1 + offset),
- 0x10, reg->pll_clock_inverters);
- upper_addr |=
- (upper_8_bit(PLL_CMODE_1 + offset) << 12);
- upper_addr |= (upper_8_bit(PLL_CLOCK_INVERTERS_1 + offset) << 13);
- data = DSI_PLL_REG_R(rsc->pll_base, PLL_VCO_CONFIG_1);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL7,
- (PLL_ANALOG_CONTROLS_FIVE_1 + offset),
- (PLL_VCO_CONFIG_1 + offset),
- 0x01, data);
- upper_addr |= (upper_8_bit(PLL_ANALOG_CONTROLS_FIVE_1 + offset) << 14);
- upper_addr |= (upper_8_bit(PLL_VCO_CONFIG_1 + offset) << 15);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL8,
- (PLL_ANALOG_CONTROLS_FIVE + offset),
- (PLL_ANALOG_CONTROLS_TWO + offset), 0x01, 0x03);
- upper_addr |= (upper_8_bit(PLL_ANALOG_CONTROLS_FIVE + offset) << 16);
- upper_addr |= (upper_8_bit(PLL_ANALOG_CONTROLS_TWO + offset) << 17);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL9,
- (PLL_ANALOG_CONTROLS_THREE + offset),
- (PLL_DSM_DIVIDER + offset),
- rsc->cache_pll_trim_codes[2], 0x00);
- upper_addr |= (upper_8_bit(PLL_ANALOG_CONTROLS_THREE + offset) << 18);
- upper_addr |= (upper_8_bit(PLL_DSM_DIVIDER + offset) << 19);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL10,
- (PLL_FEEDBACK_DIVIDER + offset),
- (PLL_CALIBRATION_SETTINGS + offset), 0x4E, 0x40);
- upper_addr |= (upper_8_bit(PLL_FEEDBACK_DIVIDER + offset) << 20);
- upper_addr |= (upper_8_bit(PLL_CALIBRATION_SETTINGS + offset) << 21);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL11,
- (PLL_BAND_SEL_CAL_SETTINGS_THREE + offset),
- (PLL_FREQ_DETECT_SETTINGS_ONE + offset), 0xBA, 0x0C);
- upper_addr |= (upper_8_bit(PLL_BAND_SEL_CAL_SETTINGS_THREE + offset)
- << 22);
- upper_addr |= (upper_8_bit(PLL_FREQ_DETECT_SETTINGS_ONE + offset)
- << 23);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL12,
- (PLL_OUTDIV + offset),
- (PLL_CORE_OVERRIDE + offset), 0, 0);
- upper_addr |= (upper_8_bit(PLL_OUTDIV + offset) << 24);
- upper_addr |= (upper_8_bit(PLL_CORE_OVERRIDE + offset) << 25);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL13,
- (PLL_PLL_DIGITAL_TIMERS_TWO + offset),
- (PLL_PLL_PROP_GAIN_RATE_1 + offset),
- 0x08, reg->pll_prop_gain_rate);
- upper_addr |= (upper_8_bit(PLL_PLL_DIGITAL_TIMERS_TWO + offset) << 26);
- upper_addr |= (upper_8_bit(PLL_PLL_PROP_GAIN_RATE_1 + offset) << 27);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL14,
- (PLL_PLL_BAND_SEL_RATE_1 + offset),
- (PLL_PLL_INT_GAIN_IFILT_BAND_1 + offset),
- 0xC0, 0x82);
- upper_addr |= (upper_8_bit(PLL_PLL_BAND_SEL_RATE_1 + offset) << 28);
- upper_addr |= (upper_8_bit(PLL_PLL_INT_GAIN_IFILT_BAND_1 + offset)
- << 29);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL15,
- (PLL_PLL_FL_INT_GAIN_PFILT_BAND_1 + offset),
- (PLL_PLL_LOCK_OVERRIDE + offset),
- 0x4c, 0x80);
- upper_addr |= (upper_8_bit(PLL_PLL_FL_INT_GAIN_PFILT_BAND_1 + offset)
- << 30);
- upper_addr |= (upper_8_bit(PLL_PLL_LOCK_OVERRIDE + offset) << 31);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL16,
- (PLL_PFILT + offset),
- (PLL_IFILT + offset),
- 0x29, 0x3f);
- upper_addr2 |= (upper_8_bit(PLL_PFILT + offset) << 0);
- upper_addr2 |= (upper_8_bit(PLL_IFILT + offset) << 1);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL17,
- (PLL_SYSTEM_MUXES + offset),
- (PLL_CALIBRATION_SETTINGS + offset),
- 0xe0, 0x44);
- upper_addr2 |= (upper_8_bit(PLL_BAND_SEL_CAL + offset) << 2);
- upper_addr2 |= (upper_8_bit(PLL_CALIBRATION_SETTINGS + offset) << 3);
- data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG0);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL18,
- PHY_CMN_CTRL_2, PHY_CMN_CLK_CFG0, 0x40, data);
- if (rsc->slave)
- DSI_DYN_PLL_REG_W(rsc->slave->dyn_pll_base,
- DSI_DYNAMIC_REFRESH_PLL_CTRL10,
- PHY_CMN_CLK_CFG0, PHY_CMN_CTRL_0,
- data, 0x7f);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL27,
- PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL28,
- PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL29,
- PHY_CMN_PLL_CNTRL, PHY_CMN_PLL_CNTRL, 0x01, 0x01);
- data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG1) | BIT(5);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL30,
- PHY_CMN_CLK_CFG1, PHY_CMN_RBUF_CTRL, data, 0x01);
- DSI_DYN_PLL_REG_W(rsc->dyn_pll_base, DSI_DYNAMIC_REFRESH_PLL_CTRL31,
- PHY_CMN_CLK_CFG1, PHY_CMN_CLK_CFG1, data, data);
- if (rsc->slave) {
- data = DSI_PLL_REG_R(rsc->slave->phy_base, PHY_CMN_CLK_CFG1) |
- BIT(5);
- DSI_DYN_PLL_REG_W(rsc->slave->dyn_pll_base,
- DSI_DYNAMIC_REFRESH_PLL_CTRL30,
- PHY_CMN_CLK_CFG1, PHY_CMN_RBUF_CTRL,
- data, 0x01);
- DSI_DYN_PLL_REG_W(rsc->slave->dyn_pll_base,
- DSI_DYNAMIC_REFRESH_PLL_CTRL31,
- PHY_CMN_CLK_CFG1, PHY_CMN_CLK_CFG1,
- data, data);
- }
- DSI_PLL_REG_W(rsc->dyn_pll_base,
- DSI_DYNAMIC_REFRESH_PLL_UPPER_ADDR, upper_addr);
- DSI_PLL_REG_W(rsc->dyn_pll_base,
- DSI_DYNAMIC_REFRESH_PLL_UPPER_ADDR2, upper_addr2);
- wmb(); /* commit register writes */
- }
- static int shadow_vco_5nm_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
- {
- int rc;
- struct dsi_pll_5nm *pll;
- struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
- struct dsi_pll_resource *rsc = vco->priv;
- if (!rsc) {
- pr_err("pll resource not found\n");
- return -EINVAL;
- }
- pll = rsc->priv;
- if (!pll) {
- pr_err("pll configuration not found\n");
- return -EINVAL;
- }
- rc = dsi_pll_read_stored_trim_codes(rsc, rate);
- if (rc) {
- pr_err("cannot find pll codes rate=%ld\n", rate);
- return -EINVAL;
- }
- pr_debug("ndx=%d, rate=%lu\n", rsc->index, rate);
- rsc->vco_current_rate = rate;
- rsc->vco_ref_clk_rate = vco->ref_clk_rate;
- dsi_pll_setup_config(pll, rsc);
- dsi_pll_calc_dec_frac(pll, rsc);
- /* program dynamic refresh control registers */
- shadow_dsi_pll_dynamic_refresh_5nm(pll, rsc);
- /* update cached vco rate */
- rsc->vco_cached_rate = rate;
- rsc->dfps_trigger = true;
- return 0;
- }
- static int dsi_pll_5nm_lock_status(struct dsi_pll_resource *pll)
- {
- int rc;
- u32 status;
- u32 const delay_us = 100;
- u32 const timeout_us = 5000;
- rc = readl_poll_timeout_atomic(pll->pll_base + PLL_COMMON_STATUS_ONE,
- status,
- ((status & BIT(0)) > 0),
- delay_us,
- timeout_us);
- if (rc && !pll->handoff_resources)
- pr_err("DSI PLL(%d) lock failed, status=0x%08x\n",
- pll->index, status);
- return rc;
- }
- static void dsi_pll_disable_pll_bias(struct dsi_pll_resource *rsc)
- {
- u32 data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CTRL_0);
- DSI_PLL_REG_W(rsc->pll_base, PLL_SYSTEM_MUXES, 0);
- DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CTRL_0, data & ~BIT(5));
- ndelay(250);
- }
- static void dsi_pll_enable_pll_bias(struct dsi_pll_resource *rsc)
- {
- u32 data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CTRL_0);
- DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CTRL_0, data | BIT(5));
- DSI_PLL_REG_W(rsc->pll_base, PLL_SYSTEM_MUXES, 0xc0);
- ndelay(250);
- }
- static void dsi_pll_disable_global_clk(struct dsi_pll_resource *rsc)
- {
- u32 data;
- data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG1);
- DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CLK_CFG1, (data & ~BIT(5)));
- }
- static void dsi_pll_enable_global_clk(struct dsi_pll_resource *rsc)
- {
- u32 data;
- DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CTRL_3, 0x04);
- data = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG1);
- /* Turn on clk_en_sel bit prior to resync toggle fifo */
- DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CLK_CFG1, (data | BIT(5) |
- BIT(4)));
- }
- static void dsi_pll_phy_dig_reset(struct dsi_pll_resource *rsc)
- {
- /*
- * Reset the PHY digital domain. This would be needed when
- * coming out of a CX or analog rail power collapse while
- * ensuring that the pads maintain LP00 or LP11 state
- */
- DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_GLBL_DIGTOP_SPARE4, BIT(0));
- wmb(); /* Ensure that the reset is asserted */
- DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_GLBL_DIGTOP_SPARE4, 0x0);
- wmb(); /* Ensure that the reset is deasserted */
- }
- static int dsi_pll_enable(struct dsi_pll_vco_clk *vco)
- {
- int rc;
- struct dsi_pll_resource *rsc = vco->priv;
- dsi_pll_enable_pll_bias(rsc);
- if (rsc->slave)
- dsi_pll_enable_pll_bias(rsc->slave);
- phy_reg_update_bits_sub(rsc, PHY_CMN_CLK_CFG1, 0x03, rsc->cached_cfg1);
- if (rsc->slave)
- phy_reg_update_bits_sub(rsc->slave, PHY_CMN_CLK_CFG1,
- 0x03, rsc->slave->cached_cfg1);
- wmb(); /* ensure dsiclk_sel is always programmed before pll start */
- /* Start PLL */
- DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_PLL_CNTRL, 0x01);
- /*
- * ensure all PLL configurations are written prior to checking
- * for PLL lock.
- */
- wmb();
- /* Check for PLL lock */
- rc = dsi_pll_5nm_lock_status(rsc);
- if (rc) {
- pr_err("PLL(%d) lock failed\n", rsc->index);
- goto error;
- }
- rsc->pll_on = true;
- /*
- * assert power on reset for PHY digital in case the PLL is
- * enabled after CX of analog domain power collapse. This needs
- * to be done before enabling the global clk.
- */
- dsi_pll_phy_dig_reset(rsc);
- if (rsc->slave)
- dsi_pll_phy_dig_reset(rsc->slave);
- dsi_pll_enable_global_clk(rsc);
- if (rsc->slave)
- dsi_pll_enable_global_clk(rsc->slave);
- error:
- return rc;
- }
- static void dsi_pll_disable_sub(struct dsi_pll_resource *rsc)
- {
- DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_RBUF_CTRL, 0);
- dsi_pll_disable_pll_bias(rsc);
- }
- static void dsi_pll_disable(struct dsi_pll_vco_clk *vco)
- {
- struct dsi_pll_resource *rsc = vco->priv;
- if (!rsc->pll_on) {
- pr_err("failed to enable pll (%d) resources\n", rsc->index);
- return;
- }
- rsc->handoff_resources = false;
- rsc->dfps_trigger = false;
- pr_debug("stop PLL (%d)\n", rsc->index);
- /*
- * To avoid any stray glitches while
- * abruptly powering down the PLL
- * make sure to gate the clock using
- * the clock enable bit before powering
- * down the PLL
- */
- dsi_pll_disable_global_clk(rsc);
- DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_PLL_CNTRL, 0);
- dsi_pll_disable_sub(rsc);
- if (rsc->slave) {
- dsi_pll_disable_global_clk(rsc->slave);
- dsi_pll_disable_sub(rsc->slave);
- }
- /* flush, ensure all register writes are done*/
- wmb();
- rsc->pll_on = false;
- }
- long vco_5nm_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *parent_rate)
- {
- unsigned long rrate = rate;
- struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
- if (rate < vco->min_rate)
- rrate = vco->min_rate;
- if (rate > vco->max_rate)
- rrate = vco->max_rate;
- *parent_rate = rrate;
- return rrate;
- }
- static void vco_5nm_unprepare(struct clk_hw *hw)
- {
- struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
- struct dsi_pll_resource *pll = vco->priv;
- if (!pll) {
- pr_err("dsi pll resources not available\n");
- return;
- }
- /*
- * During unprepare in continuous splash use case we want driver
- * to pick all dividers instead of retaining bootloader configurations.
- * Also handle the usecases when dynamic refresh gets triggered while
- * handoff_resources flag is still set. For video mode, this flag does
- * not get cleared until first suspend. Whereas for command mode, it
- * doesnt get cleared until first idle power collapse. We need to make
- * sure that we save and restore the divider settings when dynamic FPS
- * is triggered.
- */
- if (!pll->handoff_resources || pll->dfps_trigger) {
- pll->cached_cfg0 = DSI_PLL_REG_R(pll->phy_base,
- PHY_CMN_CLK_CFG0);
- pll->cached_outdiv = DSI_PLL_REG_R(pll->pll_base,
- PLL_PLL_OUTDIV_RATE);
- pr_debug("cfg0=%d,cfg1=%d, outdiv=%d\n", pll->cached_cfg0,
- pll->cached_cfg1, pll->cached_outdiv);
- pll->vco_cached_rate = clk_get_rate(hw->clk);
- }
- /*
- * When continuous splash screen feature is enabled, we need to cache
- * the mux configuration for the pixel_clk_src mux clock. The clock
- * framework does not call back to re-configure the mux value if it is
- * does not change.For such usecases, we need to ensure that the cached
- * value is programmed prior to PLL being locked
- */
- if (pll->handoff_resources) {
- pll->cached_cfg1 = DSI_PLL_REG_R(pll->phy_base,
- PHY_CMN_CLK_CFG1);
- if (pll->slave)
- pll->slave->cached_cfg1 =
- DSI_PLL_REG_R(pll->slave->phy_base,
- PHY_CMN_CLK_CFG1);
- }
- dsi_pll_disable(vco);
- }
- static int vco_5nm_prepare(struct clk_hw *hw)
- {
- int rc = 0;
- struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
- struct dsi_pll_resource *pll = vco->priv;
- if (!pll) {
- pr_err("dsi pll resources are not available\n");
- return -EINVAL;
- }
- /* Skip vco recalculation for continuous splash use case */
- if (pll->handoff_resources) {
- pll->pll_on = true;
- return 0;
- }
- if ((pll->vco_cached_rate != 0) &&
- (pll->vco_cached_rate == clk_hw_get_rate(hw))) {
- rc = vco_5nm_set_rate(hw, pll->vco_cached_rate,
- pll->vco_cached_rate);
- if (rc) {
- pr_err("pll(%d) set_rate failed, rc=%d\n",
- pll->index, rc);
- return rc;
- }
- pr_debug("cfg0=%d, cfg1=%d\n", pll->cached_cfg0,
- pll->cached_cfg1);
- DSI_PLL_REG_W(pll->phy_base, PHY_CMN_CLK_CFG0,
- pll->cached_cfg0);
- if (pll->slave)
- DSI_PLL_REG_W(pll->slave->phy_base, PHY_CMN_CLK_CFG0,
- pll->cached_cfg0);
- DSI_PLL_REG_W(pll->pll_base, PLL_PLL_OUTDIV_RATE,
- pll->cached_outdiv);
- }
- rc = dsi_pll_enable(vco);
- return rc;
- }
- static unsigned long vco_5nm_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
- {
- int rc = 0;
- struct dsi_pll_vco_clk *vco = to_vco_clk_hw(hw);
- struct dsi_pll_resource *pll = vco->priv;
- if (!vco->priv) {
- pr_err("vco priv is null\n");
- return 0;
- }
- /*
- * In the case when vco arte is set, the recalculation function should
- * return the current rate as to avoid trying to set the vco rate
- * again. However durng handoff, recalculation should set the flag
- * according to the status of PLL.
- */
- if (pll->vco_current_rate != 0) {
- pr_debug("returning vco rate = %lld\n", pll->vco_current_rate);
- return pll->vco_current_rate;
- }
- pll->handoff_resources = true;
- if (!dsi_pll_5nm_get_gdsc_status(pll)) {
- pll->handoff_resources = false;
- pr_err("Hand_off_resources not needed since gdsc is off\n");
- return 0;
- }
- if (dsi_pll_5nm_lock_status(pll)) {
- pr_err("PLL not enabled\n");
- pll->handoff_resources = false;
- }
- pr_err("handoff_resources %s\n", pll->handoff_resources ? "true" : "false");
- return rc;
- }
- static int pixel_clk_get_div(void *context, unsigned int reg, unsigned int *div)
- {
- struct dsi_pll_resource *pll = context;
- u32 reg_val;
- reg_val = DSI_PLL_REG_R(pll->phy_base, PHY_CMN_CLK_CFG0);
- *div = (reg_val & 0xF0) >> 4;
- return 0;
- }
- static void pixel_clk_set_div_sub(struct dsi_pll_resource *pll, int div)
- {
- u32 reg_val;
- reg_val = DSI_PLL_REG_R(pll->phy_base, PHY_CMN_CLK_CFG0);
- reg_val &= ~0xF0;
- reg_val |= (div << 4);
- DSI_PLL_REG_W(pll->phy_base, PHY_CMN_CLK_CFG0, reg_val);
- /*
- * cache the current parent index for cases where parent
- * is not changing but rate is changing. In that case
- * clock framework won't call parent_set and hence dsiclk_sel
- * bit won't be programmed. e.g. dfps update use case.
- */
- pll->cached_cfg0 = reg_val;
- }
- static int pixel_clk_set_div(void *context, unsigned int reg, unsigned int div)
- {
- struct dsi_pll_resource *pll = context;
- pixel_clk_set_div_sub(pll, div);
- if (pll->slave)
- pixel_clk_set_div_sub(pll->slave, div);
- return 0;
- }
- static int bit_clk_get_div(void *context, unsigned int reg, unsigned int *div)
- {
- struct dsi_pll_resource *pll = context;
- u32 reg_val;
- reg_val = DSI_PLL_REG_R(pll->phy_base, PHY_CMN_CLK_CFG0);
- *div = (reg_val & 0x0F);
- return 0;
- }
- static void bit_clk_set_div_sub(struct dsi_pll_resource *rsc, int div)
- {
- u32 reg_val;
- reg_val = DSI_PLL_REG_R(rsc->phy_base, PHY_CMN_CLK_CFG0);
- reg_val &= ~0x0F;
- reg_val |= div;
- DSI_PLL_REG_W(rsc->phy_base, PHY_CMN_CLK_CFG0, reg_val);
- }
- static int bit_clk_set_div(void *context, unsigned int reg, unsigned int div)
- {
- struct dsi_pll_resource *rsc = context;
- if (!rsc) {
- pr_err("pll resource not found\n");
- return -EINVAL;
- }
- bit_clk_set_div_sub(rsc, div);
- /* For slave PLL, this divider always should be set to 1 */
- if (rsc->slave)
- bit_clk_set_div_sub(rsc->slave, 1);
- return 0;
- }
- static struct regmap_config dsi_pll_5nm_config = {
- .reg_bits = 32,
- .reg_stride = 4,
- .val_bits = 32,
- .max_register = 0x7c0,
- };
- static struct regmap_bus pll_regmap_bus = {
- .reg_write = pll_reg_write,
- .reg_read = pll_reg_read,
- };
- static struct regmap_bus pclk_src_mux_regmap_bus = {
- .reg_read = pclk_mux_read_sel,
- .reg_write = pclk_mux_write_sel,
- };
- static struct regmap_bus pclk_src_regmap_bus = {
- .reg_write = pixel_clk_set_div,
- .reg_read = pixel_clk_get_div,
- };
- static struct regmap_bus bitclk_src_regmap_bus = {
- .reg_write = bit_clk_set_div,
- .reg_read = bit_clk_get_div,
- };
- static const struct clk_ops clk_ops_vco_5nm = {
- .recalc_rate = vco_5nm_recalc_rate,
- .set_rate = vco_5nm_set_rate,
- .round_rate = vco_5nm_round_rate,
- .prepare = vco_5nm_prepare,
- .unprepare = vco_5nm_unprepare,
- };
- static const struct clk_ops clk_ops_shadow_vco_5nm = {
- .recalc_rate = vco_5nm_recalc_rate,
- .set_rate = shadow_vco_5nm_set_rate,
- .round_rate = vco_5nm_round_rate,
- };
- static struct regmap_bus dsi_mux_regmap_bus = {
- .reg_write = dsi_set_mux_sel,
- .reg_read = dsi_get_mux_sel,
- };
- /*
- * Clock tree for generating DSI byte and pclk.
- *
- *
- * +---------------+
- * | vco_clk |
- * +-------+-------+
- * |
- * |
- * +---------------+
- * | pll_out_div |
- * | DIV(1,2,4,8) |
- * +-------+-------+
- * |
- * +-----------------------------+--------+
- * | | |
- * +-------v-------+ | |
- * | bitclk_src |
- * | DIV(1..15) | Not supported for DPHY
- * +-------+-------+
- * | | |
- * +----------+---------+ | |
- * Shadow Path | | | | |
- * + +-------v-------+ | +------v------+ | +------v-------+
- * | | byteclk_src | | |post_bit_div | | |post_vco_div |
- * | | DIV(8) | | |DIV (2) | | |DIV(4) |
- * | +-------+-------+ | +------+------+ | +------+-------+
- * | | | | | | |
- * | | | +------+ | |
- * | | +-------------+ | | +----+
- * | +--------+ | | | |
- * | | +-v--v-v---v------+
- * +-v---------v----+ \ pclk_src_mux /
- * \ byteclk_mux / \ /
- * \ / +-----+-----+
- * +----+-----+ | Shadow Path
- * | | +
- * v +-----v------+ |
- * dsi_byte_clk | pclk_src | |
- * | DIV(1..15) | |
- * +-----+------+ |
- * | |
- * | |
- * +--------+ |
- * | |
- * +---v----v----+
- * \ pclk_mux /
- * \ /
- * +---+---+
- * |
- * |
- * v
- * dsi_pclk
- *
- */
- static struct dsi_pll_vco_clk dsi0pll_vco_clk = {
- .ref_clk_rate = 19200000UL,
- .min_rate = 1000000000UL,
- .max_rate = 3500000000UL,
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_vco_clk",
- .parent_names = (const char *[]){"bi_tcxo"},
- .num_parents = 1,
- .ops = &clk_ops_vco_5nm,
- },
- };
- static struct dsi_pll_vco_clk dsi0pll_shadow_vco_clk = {
- .ref_clk_rate = 19200000UL,
- .min_rate = 1000000000UL,
- .max_rate = 3500000000UL,
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_shadow_vco_clk",
- .parent_names = (const char *[]){"bi_tcxo"},
- .num_parents = 1,
- .ops = &clk_ops_shadow_vco_5nm,
- },
- };
- static struct dsi_pll_vco_clk dsi1pll_vco_clk = {
- .ref_clk_rate = 19200000UL,
- .min_rate = 1000000000UL,
- .max_rate = 3500000000UL,
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_vco_clk",
- .parent_names = (const char *[]){"bi_tcxo"},
- .num_parents = 1,
- .ops = &clk_ops_vco_5nm,
- },
- };
- static struct dsi_pll_vco_clk dsi1pll_shadow_vco_clk = {
- .ref_clk_rate = 19200000UL,
- .min_rate = 1000000000UL,
- .max_rate = 3500000000UL,
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_shadow_vco_clk",
- .parent_names = (const char *[]){"bi_tcxo"},
- .num_parents = 1,
- .ops = &clk_ops_shadow_vco_5nm,
- },
- };
- static struct clk_regmap_div dsi0pll_pll_out_div = {
- .reg = PLL_PLL_OUTDIV_RATE,
- .shift = 0,
- .width = 2,
- .flags = CLK_DIVIDER_POWER_OF_TWO,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_pll_out_div",
- .parent_names = (const char *[]){"dsi0pll_vco_clk"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_regmap_div_ops,
- },
- },
- };
- static struct clk_regmap_div dsi0pll_shadow_pll_out_div = {
- .reg = PLL_PLL_OUTDIV_RATE,
- .shift = 0,
- .width = 2,
- .flags = CLK_DIVIDER_POWER_OF_TWO,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_shadow_pll_out_div",
- .parent_names = (const char *[]){
- "dsi0pll_shadow_vco_clk"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_regmap_div_ops,
- },
- },
- };
- static struct clk_regmap_div dsi1pll_pll_out_div = {
- .reg = PLL_PLL_OUTDIV_RATE,
- .shift = 0,
- .width = 2,
- .flags = CLK_DIVIDER_POWER_OF_TWO,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_pll_out_div",
- .parent_names = (const char *[]){"dsi1pll_vco_clk"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_regmap_div_ops,
- },
- },
- };
- static struct clk_regmap_div dsi1pll_shadow_pll_out_div = {
- .reg = PLL_PLL_OUTDIV_RATE,
- .shift = 0,
- .width = 2,
- .flags = CLK_DIVIDER_POWER_OF_TWO,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_shadow_pll_out_div",
- .parent_names = (const char *[]){
- "dsi1pll_shadow_vco_clk"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_regmap_div_ops,
- },
- },
- };
- static struct clk_regmap_div dsi0pll_bitclk_src = {
- .shift = 0,
- .width = 4,
- .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_bitclk_src",
- .parent_names = (const char *[]){"dsi0pll_pll_out_div"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_regmap_div_ops,
- },
- },
- };
- static struct clk_regmap_div dsi0pll_shadow_bitclk_src = {
- .shift = 0,
- .width = 4,
- .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_shadow_bitclk_src",
- .parent_names = (const char *[]){
- "dsi0pll_shadow_pll_out_div"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_regmap_div_ops,
- },
- },
- };
- static struct clk_regmap_div dsi1pll_bitclk_src = {
- .shift = 0,
- .width = 4,
- .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_bitclk_src",
- .parent_names = (const char *[]){"dsi1pll_pll_out_div"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_regmap_div_ops,
- },
- },
- };
- static struct clk_regmap_div dsi1pll_shadow_bitclk_src = {
- .shift = 0,
- .width = 4,
- .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_shadow_bitclk_src",
- .parent_names = (const char *[]){
- "dsi1pll_shadow_pll_out_div"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_regmap_div_ops,
- },
- },
- };
- static struct clk_fixed_factor dsi0pll_post_vco_div = {
- .div = 4,
- .mult = 1,
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_post_vco_div",
- .parent_names = (const char *[]){"dsi0pll_pll_out_div"},
- .num_parents = 1,
- .ops = &clk_fixed_factor_ops,
- },
- };
- static struct clk_fixed_factor dsi0pll_shadow_post_vco_div = {
- .div = 4,
- .mult = 1,
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_shadow_post_vco_div",
- .parent_names = (const char *[]){"dsi0pll_shadow_pll_out_div"},
- .num_parents = 1,
- .ops = &clk_fixed_factor_ops,
- },
- };
- static struct clk_fixed_factor dsi1pll_post_vco_div = {
- .div = 4,
- .mult = 1,
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_post_vco_div",
- .parent_names = (const char *[]){"dsi1pll_pll_out_div"},
- .num_parents = 1,
- .ops = &clk_fixed_factor_ops,
- },
- };
- static struct clk_fixed_factor dsi1pll_shadow_post_vco_div = {
- .div = 4,
- .mult = 1,
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_shadow_post_vco_div",
- .parent_names = (const char *[]){"dsi1pll_shadow_pll_out_div"},
- .num_parents = 1,
- .ops = &clk_fixed_factor_ops,
- },
- };
- static struct clk_fixed_factor dsi0pll_byteclk_src = {
- .div = 8,
- .mult = 1,
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_byteclk_src",
- .parent_names = (const char *[]){"dsi0pll_bitclk_src"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_fixed_factor_ops,
- },
- };
- static struct clk_fixed_factor dsi0pll_shadow_byteclk_src = {
- .div = 8,
- .mult = 1,
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_shadow_byteclk_src",
- .parent_names = (const char *[]){"dsi0pll_shadow_bitclk_src"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_fixed_factor_ops,
- },
- };
- static struct clk_fixed_factor dsi1pll_byteclk_src = {
- .div = 8,
- .mult = 1,
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_byteclk_src",
- .parent_names = (const char *[]){"dsi1pll_bitclk_src"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_fixed_factor_ops,
- },
- };
- static struct clk_fixed_factor dsi1pll_shadow_byteclk_src = {
- .div = 8,
- .mult = 1,
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_shadow_byteclk_src",
- .parent_names = (const char *[]){"dsi1pll_shadow_bitclk_src"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_fixed_factor_ops,
- },
- };
- static struct clk_fixed_factor dsi0pll_post_bit_div = {
- .div = 2,
- .mult = 1,
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_post_bit_div",
- .parent_names = (const char *[]){"dsi0pll_bitclk_src"},
- .num_parents = 1,
- .ops = &clk_fixed_factor_ops,
- },
- };
- static struct clk_fixed_factor dsi0pll_shadow_post_bit_div = {
- .div = 2,
- .mult = 1,
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_shadow_post_bit_div",
- .parent_names = (const char *[]){"dsi0pll_shadow_bitclk_src"},
- .num_parents = 1,
- .ops = &clk_fixed_factor_ops,
- },
- };
- static struct clk_fixed_factor dsi1pll_post_bit_div = {
- .div = 2,
- .mult = 1,
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_post_bit_div",
- .parent_names = (const char *[]){"dsi1pll_bitclk_src"},
- .num_parents = 1,
- .ops = &clk_fixed_factor_ops,
- },
- };
- static struct clk_fixed_factor dsi1pll_shadow_post_bit_div = {
- .div = 2,
- .mult = 1,
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_shadow_post_bit_div",
- .parent_names = (const char *[]){"dsi1pll_shadow_bitclk_src"},
- .num_parents = 1,
- .ops = &clk_fixed_factor_ops,
- },
- };
- static struct clk_regmap_mux dsi0pll_byteclk_mux = {
- .shift = 0,
- .width = 1,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi0_phy_pll_out_byteclk",
- .parent_names = (const char *[]){"dsi0pll_byteclk_src",
- "dsi0pll_shadow_byteclk_src"},
- .num_parents = 2,
- .flags = (CLK_SET_RATE_PARENT |
- CLK_SET_RATE_NO_REPARENT),
- .ops = &clk_regmap_mux_closest_ops,
- },
- },
- };
- static struct clk_regmap_mux dsi1pll_byteclk_mux = {
- .shift = 0,
- .width = 1,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi1_phy_pll_out_byteclk",
- .parent_names = (const char *[]){"dsi1pll_byteclk_src",
- "dsi1pll_shadow_byteclk_src"},
- .num_parents = 2,
- .flags = (CLK_SET_RATE_PARENT |
- CLK_SET_RATE_NO_REPARENT),
- .ops = &clk_regmap_mux_closest_ops,
- },
- },
- };
- static struct clk_regmap_mux dsi0pll_pclk_src_mux = {
- .reg = PHY_CMN_CLK_CFG1,
- .shift = 0,
- .width = 1,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_pclk_src_mux",
- .parent_names = (const char *[]){"dsi0pll_bitclk_src",
- "dsi0pll_post_bit_div"},
- .num_parents = 2,
- .ops = &clk_regmap_mux_closest_ops,
- },
- },
- };
- static struct clk_regmap_mux dsi0pll_shadow_pclk_src_mux = {
- .reg = PHY_CMN_CLK_CFG1,
- .shift = 0,
- .width = 1,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_shadow_pclk_src_mux",
- .parent_names = (const char *[]){
- "dsi0pll_shadow_bitclk_src",
- "dsi0pll_shadow_post_bit_div"},
- .num_parents = 2,
- .ops = &clk_regmap_mux_closest_ops,
- },
- },
- };
- static struct clk_regmap_mux dsi1pll_pclk_src_mux = {
- .reg = PHY_CMN_CLK_CFG1,
- .shift = 0,
- .width = 1,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_pclk_src_mux",
- .parent_names = (const char *[]){"dsi1pll_bitclk_src",
- "dsi1pll_post_bit_div"},
- .num_parents = 2,
- .ops = &clk_regmap_mux_closest_ops,
- },
- },
- };
- static struct clk_regmap_mux dsi1pll_shadow_pclk_src_mux = {
- .reg = PHY_CMN_CLK_CFG1,
- .shift = 0,
- .width = 1,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_shadow_pclk_src_mux",
- .parent_names = (const char *[]){
- "dsi1pll_shadow_bitclk_src",
- "dsi1pll_shadow_post_bit_div"},
- .num_parents = 2,
- .ops = &clk_regmap_mux_closest_ops,
- },
- },
- };
- static struct clk_regmap_div dsi0pll_pclk_src = {
- .shift = 0,
- .width = 4,
- .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_pclk_src",
- .parent_names = (const char *[]){
- "dsi0pll_pclk_src_mux"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_regmap_div_ops,
- },
- },
- };
- static struct clk_regmap_div dsi0pll_shadow_pclk_src = {
- .shift = 0,
- .width = 4,
- .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi0pll_shadow_pclk_src",
- .parent_names = (const char *[]){
- "dsi0pll_shadow_pclk_src_mux"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_regmap_div_ops,
- },
- },
- };
- static struct clk_regmap_div dsi1pll_pclk_src = {
- .shift = 0,
- .width = 4,
- .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_pclk_src",
- .parent_names = (const char *[]){
- "dsi1pll_pclk_src_mux"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_regmap_div_ops,
- },
- },
- };
- static struct clk_regmap_div dsi1pll_shadow_pclk_src = {
- .shift = 0,
- .width = 4,
- .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi1pll_shadow_pclk_src",
- .parent_names = (const char *[]){
- "dsi1pll_shadow_pclk_src_mux"},
- .num_parents = 1,
- .flags = CLK_SET_RATE_PARENT,
- .ops = &clk_regmap_div_ops,
- },
- },
- };
- static struct clk_regmap_mux dsi0pll_pclk_mux = {
- .shift = 0,
- .width = 1,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi0_phy_pll_out_dsiclk",
- .parent_names = (const char *[]){"dsi0pll_pclk_src",
- "dsi0pll_shadow_pclk_src"},
- .num_parents = 2,
- .flags = (CLK_SET_RATE_PARENT |
- CLK_SET_RATE_NO_REPARENT),
- .ops = &clk_regmap_mux_closest_ops,
- },
- },
- };
- static struct clk_regmap_mux dsi1pll_pclk_mux = {
- .shift = 0,
- .width = 1,
- .clkr = {
- .hw.init = &(struct clk_init_data){
- .name = "dsi1_phy_pll_out_dsiclk",
- .parent_names = (const char *[]){"dsi1pll_pclk_src",
- "dsi1pll_shadow_pclk_src"},
- .num_parents = 2,
- .flags = (CLK_SET_RATE_PARENT |
- CLK_SET_RATE_NO_REPARENT),
- .ops = &clk_regmap_mux_closest_ops,
- },
- },
- };
- static struct clk_hw *dsi_pllcc_5nm[] = {
- [VCO_CLK_0] = &dsi0pll_vco_clk.hw,
- [PLL_OUT_DIV_0_CLK] = &dsi0pll_pll_out_div.clkr.hw,
- [BITCLK_SRC_0_CLK] = &dsi0pll_bitclk_src.clkr.hw,
- [BYTECLK_SRC_0_CLK] = &dsi0pll_byteclk_src.hw,
- [POST_BIT_DIV_0_CLK] = &dsi0pll_post_bit_div.hw,
- [POST_VCO_DIV_0_CLK] = &dsi0pll_post_vco_div.hw,
- [BYTECLK_MUX_0_CLK] = &dsi0pll_byteclk_mux.clkr.hw,
- [PCLK_SRC_MUX_0_CLK] = &dsi0pll_pclk_src_mux.clkr.hw,
- [PCLK_SRC_0_CLK] = &dsi0pll_pclk_src.clkr.hw,
- [PCLK_MUX_0_CLK] = &dsi0pll_pclk_mux.clkr.hw,
- [SHADOW_VCO_CLK_0] = &dsi0pll_shadow_vco_clk.hw,
- [SHADOW_PLL_OUT_DIV_0_CLK] = &dsi0pll_shadow_pll_out_div.clkr.hw,
- [SHADOW_BITCLK_SRC_0_CLK] = &dsi0pll_shadow_bitclk_src.clkr.hw,
- [SHADOW_BYTECLK_SRC_0_CLK] = &dsi0pll_shadow_byteclk_src.hw,
- [SHADOW_POST_BIT_DIV_0_CLK] = &dsi0pll_shadow_post_bit_div.hw,
- [SHADOW_POST_VCO_DIV_0_CLK] = &dsi0pll_shadow_post_vco_div.hw,
- [SHADOW_PCLK_SRC_MUX_0_CLK] = &dsi0pll_shadow_pclk_src_mux.clkr.hw,
- [SHADOW_PCLK_SRC_0_CLK] = &dsi0pll_shadow_pclk_src.clkr.hw,
- [VCO_CLK_1] = &dsi1pll_vco_clk.hw,
- [PLL_OUT_DIV_1_CLK] = &dsi1pll_pll_out_div.clkr.hw,
- [BITCLK_SRC_1_CLK] = &dsi1pll_bitclk_src.clkr.hw,
- [BYTECLK_SRC_1_CLK] = &dsi1pll_byteclk_src.hw,
- [POST_BIT_DIV_1_CLK] = &dsi1pll_post_bit_div.hw,
- [POST_VCO_DIV_1_CLK] = &dsi1pll_post_vco_div.hw,
- [BYTECLK_MUX_1_CLK] = &dsi1pll_byteclk_mux.clkr.hw,
- [PCLK_SRC_MUX_1_CLK] = &dsi1pll_pclk_src_mux.clkr.hw,
- [PCLK_SRC_1_CLK] = &dsi1pll_pclk_src.clkr.hw,
- [PCLK_MUX_1_CLK] = &dsi1pll_pclk_mux.clkr.hw,
- [SHADOW_VCO_CLK_1] = &dsi1pll_shadow_vco_clk.hw,
- [SHADOW_PLL_OUT_DIV_1_CLK] = &dsi1pll_shadow_pll_out_div.clkr.hw,
- [SHADOW_BITCLK_SRC_1_CLK] = &dsi1pll_shadow_bitclk_src.clkr.hw,
- [SHADOW_BYTECLK_SRC_1_CLK] = &dsi1pll_shadow_byteclk_src.hw,
- [SHADOW_POST_BIT_DIV_1_CLK] = &dsi1pll_shadow_post_bit_div.hw,
- [SHADOW_POST_VCO_DIV_1_CLK] = &dsi1pll_shadow_post_vco_div.hw,
- [SHADOW_PCLK_SRC_MUX_1_CLK] = &dsi1pll_shadow_pclk_src_mux.clkr.hw,
- [SHADOW_PCLK_SRC_1_CLK] = &dsi1pll_shadow_pclk_src.clkr.hw,
- };
- int dsi_pll_clock_register_5nm(struct platform_device *pdev,
- struct dsi_pll_resource *pll_res)
- {
- int rc = 0, ndx, i;
- struct clk *clk;
- struct clk_onecell_data *clk_data;
- int num_clks = ARRAY_SIZE(dsi_pllcc_5nm);
- struct regmap *rmap;
- if (!pdev || !pdev->dev.of_node ||
- !pll_res || !pll_res->pll_base || !pll_res->phy_base) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
- ndx = pll_res->index;
- if (ndx >= DSI_PLL_MAX) {
- pr_err("pll index(%d) NOT supported\n", ndx);
- return -EINVAL;
- }
- pll_rsc_db[ndx] = pll_res;
- plls[ndx].rsc = pll_res;
- pll_res->priv = &plls[ndx];
- pll_res->vco_delay = VCO_DELAY_USEC;
- clk_data = devm_kzalloc(&pdev->dev, sizeof(struct clk_onecell_data),
- GFP_KERNEL);
- if (!clk_data)
- return -ENOMEM;
- clk_data->clks = devm_kzalloc(&pdev->dev, (num_clks *
- sizeof(struct clk *)), GFP_KERNEL);
- if (!clk_data->clks)
- return -ENOMEM;
- clk_data->clk_num = num_clks;
- /* Establish client data */
- if (ndx == 0) {
- rmap = devm_regmap_init(&pdev->dev, &pll_regmap_bus,
- pll_res, &dsi_pll_5nm_config);
- dsi0pll_pll_out_div.clkr.regmap = rmap;
- dsi0pll_shadow_pll_out_div.clkr.regmap = rmap;
- rmap = devm_regmap_init(&pdev->dev, &bitclk_src_regmap_bus,
- pll_res, &dsi_pll_5nm_config);
- dsi0pll_bitclk_src.clkr.regmap = rmap;
- dsi0pll_shadow_bitclk_src.clkr.regmap = rmap;
- rmap = devm_regmap_init(&pdev->dev, &pclk_src_regmap_bus,
- pll_res, &dsi_pll_5nm_config);
- dsi0pll_pclk_src.clkr.regmap = rmap;
- dsi0pll_shadow_pclk_src.clkr.regmap = rmap;
- rmap = devm_regmap_init(&pdev->dev, &dsi_mux_regmap_bus,
- pll_res, &dsi_pll_5nm_config);
- dsi0pll_pclk_mux.clkr.regmap = rmap;
- rmap = devm_regmap_init(&pdev->dev, &pclk_src_mux_regmap_bus,
- pll_res, &dsi_pll_5nm_config);
- dsi0pll_pclk_src_mux.clkr.regmap = rmap;
- dsi0pll_shadow_pclk_src_mux.clkr.regmap = rmap;
- rmap = devm_regmap_init(&pdev->dev, &dsi_mux_regmap_bus,
- pll_res, &dsi_pll_5nm_config);
- dsi0pll_byteclk_mux.clkr.regmap = rmap;
- dsi0pll_vco_clk.priv = pll_res;
- dsi0pll_shadow_vco_clk.priv = pll_res;
- if (dsi_pll_5nm_is_hw_revision(pll_res)) {
- dsi0pll_vco_clk.min_rate = 600000000;
- dsi0pll_vco_clk.max_rate = 5000000000;
- dsi0pll_shadow_vco_clk.min_rate = 600000000;
- dsi0pll_shadow_vco_clk.max_rate = 5000000000;
- }
- for (i = VCO_CLK_0; i <= SHADOW_PCLK_SRC_0_CLK; i++) {
- clk = devm_clk_register(&pdev->dev,
- dsi_pllcc_5nm[i]);
- if (IS_ERR(clk)) {
- pr_err("clk registration failed for DSI clock:%d\n",
- pll_res->index);
- rc = -EINVAL;
- goto clk_register_fail;
- }
- clk_data->clks[i] = clk;
- }
- rc = of_clk_add_provider(pdev->dev.of_node,
- of_clk_src_onecell_get, clk_data);
- } else {
- rmap = devm_regmap_init(&pdev->dev, &pll_regmap_bus,
- pll_res, &dsi_pll_5nm_config);
- dsi1pll_pll_out_div.clkr.regmap = rmap;
- dsi1pll_shadow_pll_out_div.clkr.regmap = rmap;
- rmap = devm_regmap_init(&pdev->dev, &bitclk_src_regmap_bus,
- pll_res, &dsi_pll_5nm_config);
- dsi1pll_bitclk_src.clkr.regmap = rmap;
- dsi1pll_shadow_bitclk_src.clkr.regmap = rmap;
- rmap = devm_regmap_init(&pdev->dev, &pclk_src_regmap_bus,
- pll_res, &dsi_pll_5nm_config);
- dsi1pll_pclk_src.clkr.regmap = rmap;
- dsi1pll_shadow_pclk_src.clkr.regmap = rmap;
- rmap = devm_regmap_init(&pdev->dev, &dsi_mux_regmap_bus,
- pll_res, &dsi_pll_5nm_config);
- dsi1pll_pclk_mux.clkr.regmap = rmap;
- rmap = devm_regmap_init(&pdev->dev, &pclk_src_mux_regmap_bus,
- pll_res, &dsi_pll_5nm_config);
- dsi1pll_pclk_src_mux.clkr.regmap = rmap;
- dsi1pll_shadow_pclk_src_mux.clkr.regmap = rmap;
- rmap = devm_regmap_init(&pdev->dev, &dsi_mux_regmap_bus,
- pll_res, &dsi_pll_5nm_config);
- dsi1pll_byteclk_mux.clkr.regmap = rmap;
- dsi1pll_vco_clk.priv = pll_res;
- dsi1pll_shadow_vco_clk.priv = pll_res;
- if (dsi_pll_5nm_is_hw_revision(pll_res)) {
- dsi1pll_vco_clk.min_rate = 600000000;
- dsi1pll_vco_clk.max_rate = 5000000000;
- dsi1pll_shadow_vco_clk.min_rate = 600000000;
- dsi1pll_shadow_vco_clk.max_rate = 5000000000;
- }
- for (i = VCO_CLK_1; i <= SHADOW_PCLK_SRC_1_CLK; i++) {
- clk = devm_clk_register(&pdev->dev,
- dsi_pllcc_5nm[i]);
- if (IS_ERR(clk)) {
- pr_err("clk registration failed for DSI clock:%d\n",
- pll_res->index);
- rc = -EINVAL;
- goto clk_register_fail;
- }
- clk_data->clks[i] = clk;
- }
- rc = of_clk_add_provider(pdev->dev.of_node,
- of_clk_src_onecell_get, clk_data);
- }
- if (!rc) {
- pr_info("Registered DSI PLL ndx=%d, clocks successfully\n",
- ndx);
- return rc;
- }
- clk_register_fail:
- return rc;
- }
|