279 lines · c
1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * include/linux/clk/at91_pmc.h4 *5 * Copyright (C) 2005 Ivan Kokshaysky6 * Copyright (C) SAN People7 *8 * Power Management Controller (PMC) - System peripherals registers.9 * Based on AT91RM9200 datasheet revision E.10 */11 12#ifndef AT91_PMC_H13#define AT91_PMC_H14 15#include <linux/bits.h>16 17#define AT91_PMC_V1 (1) /* PMC version 1 */18#define AT91_PMC_V2 (2) /* PMC version 2 [SAM9X60] */19 20#define AT91_PMC_SCER 0x00 /* System Clock Enable Register */21#define AT91_PMC_SCDR 0x04 /* System Clock Disable Register */22 23#define AT91_PMC_SCSR 0x08 /* System Clock Status Register */24#define AT91_PMC_PCK (1 << 0) /* Processor Clock */25#define AT91RM9200_PMC_UDP (1 << 1) /* USB Devcice Port Clock [AT91RM9200 only] */26#define AT91RM9200_PMC_MCKUDP (1 << 2) /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */27#define AT91RM9200_PMC_UHP (1 << 4) /* USB Host Port Clock [AT91RM9200 only] */28#define AT91SAM926x_PMC_UHP (1 << 6) /* USB Host Port Clock [AT91SAM926x only] */29#define AT91SAM926x_PMC_UDP (1 << 7) /* USB Devcice Port Clock [AT91SAM926x only] */30#define AT91_PMC_PCK0 (1 << 8) /* Programmable Clock 0 */31#define AT91_PMC_PCK1 (1 << 9) /* Programmable Clock 1 */32#define AT91_PMC_PCK2 (1 << 10) /* Programmable Clock 2 */33#define AT91_PMC_PCK3 (1 << 11) /* Programmable Clock 3 */34#define AT91_PMC_PCK4 (1 << 12) /* Programmable Clock 4 [AT572D940HF only] */35#define AT91_PMC_HCK0 (1 << 16) /* AHB Clock (USB host) [AT91SAM9261 only] */36#define AT91_PMC_HCK1 (1 << 17) /* AHB Clock (LCD) [AT91SAM9261 only] */37 38#define AT91_PMC_PLL_CTRL0 0x0C /* PLL Control Register 0 [for SAM9X60] */39#define AT91_PMC_PLL_CTRL0_ENPLL (1 << 28) /* Enable PLL */40#define AT91_PMC_PLL_CTRL0_ENPLLCK (1 << 29) /* Enable PLL clock for PMC */41#define AT91_PMC_PLL_CTRL0_ENLOCK (1 << 31) /* Enable PLL lock */42 43#define AT91_PMC_PLL_CTRL1 0x10 /* PLL Control Register 1 [for SAM9X60] */44 45#define AT91_PMC_PCER 0x10 /* Peripheral Clock Enable Register */46#define AT91_PMC_PCDR 0x14 /* Peripheral Clock Disable Register */47#define AT91_PMC_PCSR 0x18 /* Peripheral Clock Status Register */48 49#define AT91_PMC_PLL_ACR 0x18 /* PLL Analog Control Register [for SAM9X60] */50#define AT91_PMC_PLL_ACR_DEFAULT_UPLL UL(0x12020010) /* Default PLL ACR value for UPLL */51#define AT91_PMC_PLL_ACR_DEFAULT_PLLA UL(0x00020010) /* Default PLL ACR value for PLLA */52#define AT91_PMC_PLL_ACR_UTMIVR (1 << 12) /* UPLL Voltage regulator Control */53#define AT91_PMC_PLL_ACR_UTMIBG (1 << 13) /* UPLL Bandgap Control */54 55#define AT91_CKGR_UCKR 0x1C /* UTMI Clock Register [some SAM9] */56#define AT91_PMC_UPLLEN (1 << 16) /* UTMI PLL Enable */57#define AT91_PMC_UPLLCOUNT (0xf << 20) /* UTMI PLL Start-up Time */58#define AT91_PMC_BIASEN (1 << 24) /* UTMI BIAS Enable */59#define AT91_PMC_BIASCOUNT (0xf << 28) /* UTMI BIAS Start-up Time */60 61#define AT91_PMC_PLL_UPDT 0x1C /* PMC PLL update register [for SAM9X60] */62#define AT91_PMC_PLL_UPDT_UPDATE (1 << 8) /* Update PLL settings */63#define AT91_PMC_PLL_UPDT_ID (1 << 0) /* PLL ID */64#define AT91_PMC_PLL_UPDT_ID_MSK (0xf) /* PLL ID mask */65#define AT91_PMC_PLL_UPDT_STUPTIM (0xff << 16) /* Startup time */66 67#define AT91_CKGR_MOR 0x20 /* Main Oscillator Register [not on SAM9RL] */68#define AT91_PMC_MOSCEN (1 << 0) /* Main Oscillator Enable */69#define AT91_PMC_OSCBYPASS (1 << 1) /* Oscillator Bypass */70#define AT91_PMC_WAITMODE (1 << 2) /* Wait Mode Command */71#define AT91_PMC_MOSCRCEN (1 << 3) /* Main On-Chip RC Oscillator Enable [some SAM9] */72#define AT91_PMC_OSCOUNT (0xff << 8) /* Main Oscillator Start-up Time */73#define AT91_PMC_KEY_MASK (0xff << 16)74#define AT91_PMC_KEY (0x37 << 16) /* MOR Writing Key */75#define AT91_PMC_MOSCSEL (1 << 24) /* Main Oscillator Selection [some SAM9] */76#define AT91_PMC_CFDEN (1 << 25) /* Clock Failure Detector Enable [some SAM9] */77 78#define AT91_CKGR_MCFR 0x24 /* Main Clock Frequency Register */79#define AT91_PMC_MAINF (0xffff << 0) /* Main Clock Frequency */80#define AT91_PMC_MAINRDY (1 << 16) /* Main Clock Ready */81 82#define AT91_CKGR_PLLAR 0x28 /* PLL A Register */83 84#define AT91_PMC_RATIO 0x2c /* Processor clock ratio register [SAMA7G5 only] */85#define AT91_PMC_RATIO_RATIO (0xf) /* CPU clock ratio. */86 87#define AT91_CKGR_PLLBR 0x2c /* PLL B Register */88#define AT91_PMC_DIV (0xff << 0) /* Divider */89#define AT91_PMC_PLLCOUNT (0x3f << 8) /* PLL Counter */90#define AT91_PMC_OUT (3 << 14) /* PLL Clock Frequency Range */91#define AT91_PMC_MUL (0x7ff << 16) /* PLL Multiplier */92#define AT91_PMC_MUL_GET(n) ((n) >> 16 & 0x7ff)93#define AT91_PMC3_MUL (0x7f << 18) /* PLL Multiplier [SAMA5 only] */94#define AT91_PMC3_MUL_GET(n) ((n) >> 18 & 0x7f)95#define AT91_PMC_USBDIV (3 << 28) /* USB Divisor (PLLB only) */96#define AT91_PMC_USBDIV_1 (0 << 28)97#define AT91_PMC_USBDIV_2 (1 << 28)98#define AT91_PMC_USBDIV_4 (2 << 28)99#define AT91_PMC_USB96M (1 << 28) /* Divider by 2 Enable (PLLB only) */100 101#define AT91_PMC_CPU_CKR 0x28 /* CPU Clock Register */102 103#define AT91_PMC_MCKR 0x30 /* Master Clock Register */104#define AT91_PMC_CSS (3 << 0) /* Master Clock Selection */105#define AT91_PMC_CSS_SLOW (0 << 0)106#define AT91_PMC_CSS_MAIN (1 << 0)107#define AT91_PMC_CSS_PLLA (2 << 0)108#define AT91_PMC_CSS_PLLB (3 << 0)109#define AT91_PMC_CSS_UPLL (3 << 0) /* [some SAM9 only] */110#define PMC_PRES_OFFSET 2111#define AT91_PMC_PRES (7 << PMC_PRES_OFFSET) /* Master Clock Prescaler */112#define AT91_PMC_PRES_1 (0 << PMC_PRES_OFFSET)113#define AT91_PMC_PRES_2 (1 << PMC_PRES_OFFSET)114#define AT91_PMC_PRES_4 (2 << PMC_PRES_OFFSET)115#define AT91_PMC_PRES_8 (3 << PMC_PRES_OFFSET)116#define AT91_PMC_PRES_16 (4 << PMC_PRES_OFFSET)117#define AT91_PMC_PRES_32 (5 << PMC_PRES_OFFSET)118#define AT91_PMC_PRES_64 (6 << PMC_PRES_OFFSET)119#define PMC_ALT_PRES_OFFSET 4120#define AT91_PMC_ALT_PRES (7 << PMC_ALT_PRES_OFFSET) /* Master Clock Prescaler [alternate location] */121#define AT91_PMC_ALT_PRES_1 (0 << PMC_ALT_PRES_OFFSET)122#define AT91_PMC_ALT_PRES_2 (1 << PMC_ALT_PRES_OFFSET)123#define AT91_PMC_ALT_PRES_4 (2 << PMC_ALT_PRES_OFFSET)124#define AT91_PMC_ALT_PRES_8 (3 << PMC_ALT_PRES_OFFSET)125#define AT91_PMC_ALT_PRES_16 (4 << PMC_ALT_PRES_OFFSET)126#define AT91_PMC_ALT_PRES_32 (5 << PMC_ALT_PRES_OFFSET)127#define AT91_PMC_ALT_PRES_64 (6 << PMC_ALT_PRES_OFFSET)128#define AT91_PMC_MDIV (3 << 8) /* Master Clock Division */129#define AT91RM9200_PMC_MDIV_1 (0 << 8) /* [AT91RM9200 only] */130#define AT91RM9200_PMC_MDIV_2 (1 << 8)131#define AT91RM9200_PMC_MDIV_3 (2 << 8)132#define AT91RM9200_PMC_MDIV_4 (3 << 8)133#define AT91SAM9_PMC_MDIV_1 (0 << 8) /* [SAM9 only] */134#define AT91SAM9_PMC_MDIV_2 (1 << 8)135#define AT91SAM9_PMC_MDIV_4 (2 << 8)136#define AT91SAM9_PMC_MDIV_6 (3 << 8) /* [some SAM9 only] */137#define AT91SAM9_PMC_MDIV_3 (3 << 8) /* [some SAM9 only] */138#define AT91_PMC_PDIV (1 << 12) /* Processor Clock Division [some SAM9 only] */139#define AT91_PMC_PDIV_1 (0 << 12)140#define AT91_PMC_PDIV_2 (1 << 12)141#define AT91_PMC_PLLADIV2 (1 << 12) /* PLLA divisor by 2 [some SAM9 only] */142#define AT91_PMC_PLLADIV2_OFF (0 << 12)143#define AT91_PMC_PLLADIV2_ON (1 << 12)144#define AT91_PMC_H32MXDIV BIT(24)145 146#define AT91_PMC_MCR_V2 0x30 /* Master Clock Register [SAMA7G5 only] */147#define AT91_PMC_MCR_V2_ID_MSK (0xF)148#define AT91_PMC_MCR_V2_ID(_id) ((_id) & AT91_PMC_MCR_V2_ID_MSK)149#define AT91_PMC_MCR_V2_CMD (1 << 7)150#define AT91_PMC_MCR_V2_DIV (7 << 8)151#define AT91_PMC_MCR_V2_DIV1 (0 << 8)152#define AT91_PMC_MCR_V2_DIV2 (1 << 8)153#define AT91_PMC_MCR_V2_DIV4 (2 << 8)154#define AT91_PMC_MCR_V2_DIV8 (3 << 8)155#define AT91_PMC_MCR_V2_DIV16 (4 << 8)156#define AT91_PMC_MCR_V2_DIV32 (5 << 8)157#define AT91_PMC_MCR_V2_DIV64 (6 << 8)158#define AT91_PMC_MCR_V2_DIV3 (7 << 8)159#define AT91_PMC_MCR_V2_CSS (0x1F << 16)160#define AT91_PMC_MCR_V2_CSS_MD_SLCK (0 << 16)161#define AT91_PMC_MCR_V2_CSS_TD_SLCK (1 << 16)162#define AT91_PMC_MCR_V2_CSS_MAINCK (2 << 16)163#define AT91_PMC_MCR_V2_CSS_MCK0 (3 << 16)164#define AT91_PMC_MCR_V2_CSS_SYSPLL (5 << 16)165#define AT91_PMC_MCR_V2_CSS_DDRPLL (6 << 16)166#define AT91_PMC_MCR_V2_CSS_IMGPLL (7 << 16)167#define AT91_PMC_MCR_V2_CSS_BAUDPLL (8 << 16)168#define AT91_PMC_MCR_V2_CSS_AUDIOPLL (9 << 16)169#define AT91_PMC_MCR_V2_CSS_ETHPLL (10 << 16)170#define AT91_PMC_MCR_V2_EN (1 << 28)171 172#define AT91_PMC_XTALF 0x34 /* Main XTAL Frequency Register [SAMA7G5 only] */173 174#define AT91_PMC_USB 0x38 /* USB Clock Register [some SAM9 only] */175#define AT91_PMC_USBS (0x1 << 0) /* USB OHCI Input clock selection */176#define AT91_PMC_USBS_PLLA (0 << 0)177#define AT91_PMC_USBS_UPLL (1 << 0)178#define AT91_PMC_USBS_PLLB (1 << 0) /* [AT91SAMN12 only] */179#define AT91_PMC_OHCIUSBDIV (0xF << 8) /* Divider for USB OHCI Clock */180#define AT91_PMC_OHCIUSBDIV_1 (0x0 << 8)181#define AT91_PMC_OHCIUSBDIV_2 (0x1 << 8)182 183#define AT91_PMC_SMD 0x3c /* Soft Modem Clock Register [some SAM9 only] */184#define AT91_PMC_SMDS (0x1 << 0) /* SMD input clock selection */185#define AT91_PMC_SMD_DIV (0x1f << 8) /* SMD input clock divider */186#define AT91_PMC_SMDDIV(n) (((n) << 8) & AT91_PMC_SMD_DIV)187 188#define AT91_PMC_PCKR(n) (0x40 + ((n) * 4)) /* Programmable Clock 0-N Registers */189#define AT91_PMC_ALT_PCKR_CSS (0x7 << 0) /* Programmable Clock Source Selection [alternate length] */190#define AT91_PMC_CSS_MASTER (4 << 0) /* [some SAM9 only] */191#define AT91_PMC_CSSMCK (0x1 << 8) /* CSS or Master Clock Selection */192#define AT91_PMC_CSSMCK_CSS (0 << 8)193#define AT91_PMC_CSSMCK_MCK (1 << 8)194 195#define AT91_PMC_IER 0x60 /* Interrupt Enable Register */196#define AT91_PMC_IDR 0x64 /* Interrupt Disable Register */197#define AT91_PMC_SR 0x68 /* Status Register */198#define AT91_PMC_MOSCS (1 << 0) /* MOSCS Flag */199#define AT91_PMC_LOCKA (1 << 1) /* PLLA Lock */200#define AT91_PMC_LOCKB (1 << 2) /* PLLB Lock */201#define AT91_PMC_MCKRDY (1 << 3) /* Master Clock */202#define AT91_PMC_LOCKU (1 << 6) /* UPLL Lock [some SAM9] */203#define AT91_PMC_OSCSEL (1 << 7) /* Slow Oscillator Selection [some SAM9] */204#define AT91_PMC_PCK0RDY (1 << 8) /* Programmable Clock 0 */205#define AT91_PMC_PCK1RDY (1 << 9) /* Programmable Clock 1 */206#define AT91_PMC_PCK2RDY (1 << 10) /* Programmable Clock 2 */207#define AT91_PMC_PCK3RDY (1 << 11) /* Programmable Clock 3 */208#define AT91_PMC_MOSCSELS (1 << 16) /* Main Oscillator Selection [some SAM9] */209#define AT91_PMC_MOSCRCS (1 << 17) /* Main On-Chip RC [some SAM9] */210#define AT91_PMC_CFDEV (1 << 18) /* Clock Failure Detector Event [some SAM9] */211#define AT91_PMC_GCKRDY (1 << 24) /* Generated Clocks */212#define AT91_PMC_MCKXRDY (1 << 26) /* Master Clock x [x=1..4] Ready Status */213#define AT91_PMC_IMR 0x6c /* Interrupt Mask Register */214 215#define AT91_PMC_FSMR 0x70 /* Fast Startup Mode Register */216#define AT91_PMC_FSTT(n) BIT(n)217#define AT91_PMC_RTTAL BIT(16)218#define AT91_PMC_RTCAL BIT(17) /* RTC Alarm Enable */219#define AT91_PMC_USBAL BIT(18) /* USB Resume Enable */220#define AT91_PMC_SDMMC_CD BIT(19) /* SDMMC Card Detect Enable */221#define AT91_PMC_LPM BIT(20) /* Low-power Mode */222#define AT91_PMC_RXLP_MCE BIT(24) /* Backup UART Receive Enable */223#define AT91_PMC_ACC_CE BIT(25) /* ACC Enable */224 225#define AT91_PMC_FSPR 0x74 /* Fast Startup Polarity Reg */226 227#define AT91_PMC_FS_INPUT_MASK 0x7ff228 229#define AT91_PMC_PLLICPR 0x80 /* PLL Charge Pump Current Register */230 231#define AT91_PMC_PROT 0xe4 /* Write Protect Mode Register [some SAM9] */232#define AT91_PMC_WPEN (0x1 << 0) /* Write Protect Enable */233#define AT91_PMC_WPKEY (0xffffff << 8) /* Write Protect Key */234#define AT91_PMC_PROTKEY (0x504d43 << 8) /* Activation Code */235 236#define AT91_PMC_WPSR 0xe8 /* Write Protect Status Register [some SAM9] */237#define AT91_PMC_WPVS (0x1 << 0) /* Write Protect Violation Status */238#define AT91_PMC_WPVSRC (0xffff << 8) /* Write Protect Violation Source */239 240#define AT91_PMC_PLL_ISR0 0xEC /* PLL Interrupt Status Register 0 [SAM9X60 only] */241 242#define AT91_PMC_PCER1 0x100 /* Peripheral Clock Enable Register 1 [SAMA5 only]*/243#define AT91_PMC_PCDR1 0x104 /* Peripheral Clock Enable Register 1 */244#define AT91_PMC_PCSR1 0x108 /* Peripheral Clock Enable Register 1 */245 246#define AT91_PMC_PCR 0x10c /* Peripheral Control Register [some SAM9 and SAMA5] */247#define AT91_PMC_PCR_PID_MASK 0x3f248#define AT91_PMC_PCR_CMD (0x1 << 12) /* Command (read=0, write=1) */249#define AT91_PMC_PCR_GCKDIV_MASK GENMASK(27, 20)250#define AT91_PMC_PCR_EN (0x1 << 28) /* Enable */251#define AT91_PMC_PCR_GCKEN (0x1 << 29) /* GCK Enable */252 253#define AT91_PMC_AUDIO_PLL0 0x14c254#define AT91_PMC_AUDIO_PLL_PLLEN (1 << 0)255#define AT91_PMC_AUDIO_PLL_PADEN (1 << 1)256#define AT91_PMC_AUDIO_PLL_PMCEN (1 << 2)257#define AT91_PMC_AUDIO_PLL_RESETN (1 << 3)258#define AT91_PMC_AUDIO_PLL_ND_OFFSET 8259#define AT91_PMC_AUDIO_PLL_ND_MASK (0x7f << AT91_PMC_AUDIO_PLL_ND_OFFSET)260#define AT91_PMC_AUDIO_PLL_ND(n) ((n) << AT91_PMC_AUDIO_PLL_ND_OFFSET)261#define AT91_PMC_AUDIO_PLL_QDPMC_OFFSET 16262#define AT91_PMC_AUDIO_PLL_QDPMC_MASK (0x7f << AT91_PMC_AUDIO_PLL_QDPMC_OFFSET)263#define AT91_PMC_AUDIO_PLL_QDPMC(n) ((n) << AT91_PMC_AUDIO_PLL_QDPMC_OFFSET)264 265#define AT91_PMC_AUDIO_PLL1 0x150266#define AT91_PMC_AUDIO_PLL_FRACR_MASK 0x3fffff267#define AT91_PMC_AUDIO_PLL_QDPAD_OFFSET 24268#define AT91_PMC_AUDIO_PLL_QDPAD_MASK (0x7f << AT91_PMC_AUDIO_PLL_QDPAD_OFFSET)269#define AT91_PMC_AUDIO_PLL_QDPAD(n) ((n) << AT91_PMC_AUDIO_PLL_QDPAD_OFFSET)270#define AT91_PMC_AUDIO_PLL_QDPAD_DIV_OFFSET AT91_PMC_AUDIO_PLL_QDPAD_OFFSET271#define AT91_PMC_AUDIO_PLL_QDPAD_DIV_MASK (0x3 << AT91_PMC_AUDIO_PLL_QDPAD_DIV_OFFSET)272#define AT91_PMC_AUDIO_PLL_QDPAD_DIV(n) ((n) << AT91_PMC_AUDIO_PLL_QDPAD_DIV_OFFSET)273#define AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_OFFSET 26274#define AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_MAX 0x1f275#define AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_MASK (AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_MAX << AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_OFFSET)276#define AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV(n) ((n) << AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_OFFSET)277 278#endif279