root/include/linux/clk/at91_pmc.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * include/linux/clk/at91_pmc.h
   4  *
   5  * Copyright (C) 2005 Ivan Kokshaysky
   6  * Copyright (C) SAN People
   7  *
   8  * Power Management Controller (PMC) - System peripherals registers.
   9  * Based on AT91RM9200 datasheet revision E.
  10  */
  11 
  12 #ifndef AT91_PMC_H
  13 #define AT91_PMC_H
  14 
  15 #define AT91_PMC_SCER           0x00                    /* System Clock Enable Register */
  16 #define AT91_PMC_SCDR           0x04                    /* System Clock Disable Register */
  17 
  18 #define AT91_PMC_SCSR           0x08                    /* System Clock Status Register */
  19 #define         AT91_PMC_PCK            (1 <<  0)               /* Processor Clock */
  20 #define         AT91RM9200_PMC_UDP      (1 <<  1)               /* USB Devcice Port Clock [AT91RM9200 only] */
  21 #define         AT91RM9200_PMC_MCKUDP   (1 <<  2)               /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */
  22 #define         AT91RM9200_PMC_UHP      (1 <<  4)               /* USB Host Port Clock [AT91RM9200 only] */
  23 #define         AT91SAM926x_PMC_UHP     (1 <<  6)               /* USB Host Port Clock [AT91SAM926x only] */
  24 #define         AT91SAM926x_PMC_UDP     (1 <<  7)               /* USB Devcice Port Clock [AT91SAM926x only] */
  25 #define         AT91_PMC_PCK0           (1 <<  8)               /* Programmable Clock 0 */
  26 #define         AT91_PMC_PCK1           (1 <<  9)               /* Programmable Clock 1 */
  27 #define         AT91_PMC_PCK2           (1 << 10)               /* Programmable Clock 2 */
  28 #define         AT91_PMC_PCK3           (1 << 11)               /* Programmable Clock 3 */
  29 #define         AT91_PMC_PCK4           (1 << 12)               /* Programmable Clock 4 [AT572D940HF only] */
  30 #define         AT91_PMC_HCK0           (1 << 16)               /* AHB Clock (USB host) [AT91SAM9261 only] */
  31 #define         AT91_PMC_HCK1           (1 << 17)               /* AHB Clock (LCD) [AT91SAM9261 only] */
  32 
  33 #define AT91_PMC_PCER           0x10                    /* Peripheral Clock Enable Register */
  34 #define AT91_PMC_PCDR           0x14                    /* Peripheral Clock Disable Register */
  35 #define AT91_PMC_PCSR           0x18                    /* Peripheral Clock Status Register */
  36 
  37 #define AT91_CKGR_UCKR          0x1C                    /* UTMI Clock Register [some SAM9] */
  38 #define         AT91_PMC_UPLLEN         (1   << 16)             /* UTMI PLL Enable */
  39 #define         AT91_PMC_UPLLCOUNT      (0xf << 20)             /* UTMI PLL Start-up Time */
  40 #define         AT91_PMC_BIASEN         (1   << 24)             /* UTMI BIAS Enable */
  41 #define         AT91_PMC_BIASCOUNT      (0xf << 28)             /* UTMI BIAS Start-up Time */
  42 
  43 #define AT91_CKGR_MOR           0x20                    /* Main Oscillator Register [not on SAM9RL] */
  44 #define         AT91_PMC_MOSCEN         (1    <<  0)            /* Main Oscillator Enable */
  45 #define         AT91_PMC_OSCBYPASS      (1    <<  1)            /* Oscillator Bypass */
  46 #define         AT91_PMC_WAITMODE       (1    <<  2)            /* Wait Mode Command */
  47 #define         AT91_PMC_MOSCRCEN       (1    <<  3)            /* Main On-Chip RC Oscillator Enable [some SAM9] */
  48 #define         AT91_PMC_OSCOUNT        (0xff <<  8)            /* Main Oscillator Start-up Time */
  49 #define         AT91_PMC_KEY_MASK       (0xff << 16)
  50 #define         AT91_PMC_KEY            (0x37 << 16)            /* MOR Writing Key */
  51 #define         AT91_PMC_MOSCSEL        (1    << 24)            /* Main Oscillator Selection [some SAM9] */
  52 #define         AT91_PMC_CFDEN          (1    << 25)            /* Clock Failure Detector Enable [some SAM9] */
  53 
  54 #define AT91_CKGR_MCFR          0x24                    /* Main Clock Frequency Register */
  55 #define         AT91_PMC_MAINF          (0xffff <<  0)          /* Main Clock Frequency */
  56 #define         AT91_PMC_MAINRDY        (1      << 16)          /* Main Clock Ready */
  57 
  58 #define AT91_CKGR_PLLAR         0x28                    /* PLL A Register */
  59 #define AT91_CKGR_PLLBR         0x2c                    /* PLL B Register */
  60 #define         AT91_PMC_DIV            (0xff  <<  0)           /* Divider */
  61 #define         AT91_PMC_PLLCOUNT       (0x3f  <<  8)           /* PLL Counter */
  62 #define         AT91_PMC_OUT            (3     << 14)           /* PLL Clock Frequency Range */
  63 #define         AT91_PMC_MUL            (0x7ff << 16)           /* PLL Multiplier */
  64 #define         AT91_PMC_MUL_GET(n)     ((n) >> 16 & 0x7ff)
  65 #define         AT91_PMC3_MUL           (0x7f  << 18)           /* PLL Multiplier [SAMA5 only] */
  66 #define         AT91_PMC3_MUL_GET(n)    ((n) >> 18 & 0x7f)
  67 #define         AT91_PMC_USBDIV         (3     << 28)           /* USB Divisor (PLLB only) */
  68 #define                 AT91_PMC_USBDIV_1               (0 << 28)
  69 #define                 AT91_PMC_USBDIV_2               (1 << 28)
  70 #define                 AT91_PMC_USBDIV_4               (2 << 28)
  71 #define         AT91_PMC_USB96M         (1     << 28)           /* Divider by 2 Enable (PLLB only) */
  72 
  73 #define AT91_PMC_CPU_CKR        0x28                    /* CPU Clock Register */
  74 
  75 #define AT91_PMC_MCKR           0x30                    /* Master Clock Register */
  76 #define         AT91_PMC_CSS            (3 <<  0)               /* Master Clock Selection */
  77 #define                 AT91_PMC_CSS_SLOW               (0 << 0)
  78 #define                 AT91_PMC_CSS_MAIN               (1 << 0)
  79 #define                 AT91_PMC_CSS_PLLA               (2 << 0)
  80 #define                 AT91_PMC_CSS_PLLB               (3 << 0)
  81 #define                 AT91_PMC_CSS_UPLL               (3 << 0)        /* [some SAM9 only] */
  82 #define         PMC_PRES_OFFSET         2
  83 #define         AT91_PMC_PRES           (7 <<  PMC_PRES_OFFSET)         /* Master Clock Prescaler */
  84 #define                 AT91_PMC_PRES_1                 (0 << PMC_PRES_OFFSET)
  85 #define                 AT91_PMC_PRES_2                 (1 << PMC_PRES_OFFSET)
  86 #define                 AT91_PMC_PRES_4                 (2 << PMC_PRES_OFFSET)
  87 #define                 AT91_PMC_PRES_8                 (3 << PMC_PRES_OFFSET)
  88 #define                 AT91_PMC_PRES_16                (4 << PMC_PRES_OFFSET)
  89 #define                 AT91_PMC_PRES_32                (5 << PMC_PRES_OFFSET)
  90 #define                 AT91_PMC_PRES_64                (6 << PMC_PRES_OFFSET)
  91 #define         PMC_ALT_PRES_OFFSET     4
  92 #define         AT91_PMC_ALT_PRES       (7 <<  PMC_ALT_PRES_OFFSET)             /* Master Clock Prescaler [alternate location] */
  93 #define                 AT91_PMC_ALT_PRES_1             (0 << PMC_ALT_PRES_OFFSET)
  94 #define                 AT91_PMC_ALT_PRES_2             (1 << PMC_ALT_PRES_OFFSET)
  95 #define                 AT91_PMC_ALT_PRES_4             (2 << PMC_ALT_PRES_OFFSET)
  96 #define                 AT91_PMC_ALT_PRES_8             (3 << PMC_ALT_PRES_OFFSET)
  97 #define                 AT91_PMC_ALT_PRES_16            (4 << PMC_ALT_PRES_OFFSET)
  98 #define                 AT91_PMC_ALT_PRES_32            (5 << PMC_ALT_PRES_OFFSET)
  99 #define                 AT91_PMC_ALT_PRES_64            (6 << PMC_ALT_PRES_OFFSET)
 100 #define         AT91_PMC_MDIV           (3 <<  8)               /* Master Clock Division */
 101 #define                 AT91RM9200_PMC_MDIV_1           (0 << 8)        /* [AT91RM9200 only] */
 102 #define                 AT91RM9200_PMC_MDIV_2           (1 << 8)
 103 #define                 AT91RM9200_PMC_MDIV_3           (2 << 8)
 104 #define                 AT91RM9200_PMC_MDIV_4           (3 << 8)
 105 #define                 AT91SAM9_PMC_MDIV_1             (0 << 8)        /* [SAM9 only] */
 106 #define                 AT91SAM9_PMC_MDIV_2             (1 << 8)
 107 #define                 AT91SAM9_PMC_MDIV_4             (2 << 8)
 108 #define                 AT91SAM9_PMC_MDIV_6             (3 << 8)        /* [some SAM9 only] */
 109 #define                 AT91SAM9_PMC_MDIV_3             (3 << 8)        /* [some SAM9 only] */
 110 #define         AT91_PMC_PDIV           (1 << 12)               /* Processor Clock Division [some SAM9 only] */
 111 #define                 AT91_PMC_PDIV_1                 (0 << 12)
 112 #define                 AT91_PMC_PDIV_2                 (1 << 12)
 113 #define         AT91_PMC_PLLADIV2       (1 << 12)               /* PLLA divisor by 2 [some SAM9 only] */
 114 #define                 AT91_PMC_PLLADIV2_OFF           (0 << 12)
 115 #define                 AT91_PMC_PLLADIV2_ON            (1 << 12)
 116 #define         AT91_PMC_H32MXDIV       BIT(24)
 117 
 118 #define AT91_PMC_USB            0x38                    /* USB Clock Register [some SAM9 only] */
 119 #define         AT91_PMC_USBS           (0x1 <<  0)             /* USB OHCI Input clock selection */
 120 #define                 AT91_PMC_USBS_PLLA              (0 << 0)
 121 #define                 AT91_PMC_USBS_UPLL              (1 << 0)
 122 #define                 AT91_PMC_USBS_PLLB              (1 << 0)        /* [AT91SAMN12 only] */
 123 #define         AT91_PMC_OHCIUSBDIV     (0xF <<  8)             /* Divider for USB OHCI Clock */
 124 #define                 AT91_PMC_OHCIUSBDIV_1   (0x0 <<  8)
 125 #define                 AT91_PMC_OHCIUSBDIV_2   (0x1 <<  8)
 126 
 127 #define AT91_PMC_SMD            0x3c                    /* Soft Modem Clock Register [some SAM9 only] */
 128 #define         AT91_PMC_SMDS           (0x1  <<  0)            /* SMD input clock selection */
 129 #define         AT91_PMC_SMD_DIV        (0x1f <<  8)            /* SMD input clock divider */
 130 #define         AT91_PMC_SMDDIV(n)      (((n) <<  8) & AT91_PMC_SMD_DIV)
 131 
 132 #define AT91_PMC_PCKR(n)        (0x40 + ((n) * 4))      /* Programmable Clock 0-N Registers */
 133 #define         AT91_PMC_ALT_PCKR_CSS   (0x7 <<  0)             /* Programmable Clock Source Selection [alternate length] */
 134 #define                 AT91_PMC_CSS_MASTER             (4 << 0)        /* [some SAM9 only] */
 135 #define         AT91_PMC_CSSMCK         (0x1 <<  8)             /* CSS or Master Clock Selection */
 136 #define                 AT91_PMC_CSSMCK_CSS             (0 << 8)
 137 #define                 AT91_PMC_CSSMCK_MCK             (1 << 8)
 138 
 139 #define AT91_PMC_IER            0x60                    /* Interrupt Enable Register */
 140 #define AT91_PMC_IDR            0x64                    /* Interrupt Disable Register */
 141 #define AT91_PMC_SR             0x68                    /* Status Register */
 142 #define         AT91_PMC_MOSCS          (1 <<  0)               /* MOSCS Flag */
 143 #define         AT91_PMC_LOCKA          (1 <<  1)               /* PLLA Lock */
 144 #define         AT91_PMC_LOCKB          (1 <<  2)               /* PLLB Lock */
 145 #define         AT91_PMC_MCKRDY         (1 <<  3)               /* Master Clock */
 146 #define         AT91_PMC_LOCKU          (1 <<  6)               /* UPLL Lock [some SAM9] */
 147 #define         AT91_PMC_OSCSEL         (1 <<  7)               /* Slow Oscillator Selection [some SAM9] */
 148 #define         AT91_PMC_PCK0RDY        (1 <<  8)               /* Programmable Clock 0 */
 149 #define         AT91_PMC_PCK1RDY        (1 <<  9)               /* Programmable Clock 1 */
 150 #define         AT91_PMC_PCK2RDY        (1 << 10)               /* Programmable Clock 2 */
 151 #define         AT91_PMC_PCK3RDY        (1 << 11)               /* Programmable Clock 3 */
 152 #define         AT91_PMC_MOSCSELS       (1 << 16)               /* Main Oscillator Selection [some SAM9] */
 153 #define         AT91_PMC_MOSCRCS        (1 << 17)               /* Main On-Chip RC [some SAM9] */
 154 #define         AT91_PMC_CFDEV          (1 << 18)               /* Clock Failure Detector Event [some SAM9] */
 155 #define         AT91_PMC_GCKRDY         (1 << 24)               /* Generated Clocks */
 156 #define AT91_PMC_IMR            0x6c                    /* Interrupt Mask Register */
 157 
 158 #define AT91_PMC_FSMR           0x70            /* Fast Startup Mode Register */
 159 #define AT91_PMC_FSTT(n)        BIT(n)
 160 #define AT91_PMC_RTTAL          BIT(16)
 161 #define AT91_PMC_RTCAL          BIT(17)         /* RTC Alarm Enable */
 162 #define AT91_PMC_USBAL          BIT(18)         /* USB Resume Enable */
 163 #define AT91_PMC_SDMMC_CD       BIT(19)         /* SDMMC Card Detect Enable */
 164 #define AT91_PMC_LPM            BIT(20)         /* Low-power Mode */
 165 #define AT91_PMC_RXLP_MCE       BIT(24)         /* Backup UART Receive Enable */
 166 #define AT91_PMC_ACC_CE         BIT(25)         /* ACC Enable */
 167 
 168 #define AT91_PMC_FSPR           0x74            /* Fast Startup Polarity Reg */
 169 
 170 #define AT91_PMC_FS_INPUT_MASK  0x7ff
 171 
 172 #define AT91_PMC_PLLICPR        0x80                    /* PLL Charge Pump Current Register */
 173 
 174 #define AT91_PMC_PROT           0xe4                    /* Write Protect Mode Register [some SAM9] */
 175 #define         AT91_PMC_WPEN           (0x1  <<  0)            /* Write Protect Enable */
 176 #define         AT91_PMC_WPKEY          (0xffffff << 8)         /* Write Protect Key */
 177 #define         AT91_PMC_PROTKEY        (0x504d43 << 8)         /* Activation Code */
 178 
 179 #define AT91_PMC_WPSR           0xe8                    /* Write Protect Status Register [some SAM9] */
 180 #define         AT91_PMC_WPVS           (0x1  <<  0)            /* Write Protect Violation Status */
 181 #define         AT91_PMC_WPVSRC         (0xffff  <<  8)         /* Write Protect Violation Source */
 182 
 183 #define AT91_PMC_PCER1          0x100                   /* Peripheral Clock Enable Register 1 [SAMA5 only]*/
 184 #define AT91_PMC_PCDR1          0x104                   /* Peripheral Clock Enable Register 1 */
 185 #define AT91_PMC_PCSR1          0x108                   /* Peripheral Clock Enable Register 1 */
 186 
 187 #define AT91_PMC_PCR            0x10c                   /* Peripheral Control Register [some SAM9 and SAMA5] */
 188 #define         AT91_PMC_PCR_PID_MASK           0x3f
 189 #define         AT91_PMC_PCR_CMD                (0x1  <<  12)                           /* Command (read=0, write=1) */
 190 #define         AT91_PMC_PCR_GCKDIV_MASK        GENMASK(27, 20)
 191 #define         AT91_PMC_PCR_EN                 (0x1  <<  28)                           /* Enable */
 192 #define         AT91_PMC_PCR_GCKEN              (0x1  <<  29)                           /* GCK Enable */
 193 
 194 #define AT91_PMC_AUDIO_PLL0     0x14c
 195 #define         AT91_PMC_AUDIO_PLL_PLLEN        (1  <<  0)
 196 #define         AT91_PMC_AUDIO_PLL_PADEN        (1  <<  1)
 197 #define         AT91_PMC_AUDIO_PLL_PMCEN        (1  <<  2)
 198 #define         AT91_PMC_AUDIO_PLL_RESETN       (1  <<  3)
 199 #define         AT91_PMC_AUDIO_PLL_ND_OFFSET    8
 200 #define         AT91_PMC_AUDIO_PLL_ND_MASK      (0x7f << AT91_PMC_AUDIO_PLL_ND_OFFSET)
 201 #define         AT91_PMC_AUDIO_PLL_ND(n)        ((n)  << AT91_PMC_AUDIO_PLL_ND_OFFSET)
 202 #define         AT91_PMC_AUDIO_PLL_QDPMC_OFFSET 16
 203 #define         AT91_PMC_AUDIO_PLL_QDPMC_MASK   (0x7f << AT91_PMC_AUDIO_PLL_QDPMC_OFFSET)
 204 #define         AT91_PMC_AUDIO_PLL_QDPMC(n)     ((n)  << AT91_PMC_AUDIO_PLL_QDPMC_OFFSET)
 205 
 206 #define AT91_PMC_AUDIO_PLL1     0x150
 207 #define         AT91_PMC_AUDIO_PLL_FRACR_MASK           0x3fffff
 208 #define         AT91_PMC_AUDIO_PLL_QDPAD_OFFSET         24
 209 #define         AT91_PMC_AUDIO_PLL_QDPAD_MASK           (0x7f << AT91_PMC_AUDIO_PLL_QDPAD_OFFSET)
 210 #define         AT91_PMC_AUDIO_PLL_QDPAD(n)             ((n)  << AT91_PMC_AUDIO_PLL_QDPAD_OFFSET)
 211 #define         AT91_PMC_AUDIO_PLL_QDPAD_DIV_OFFSET     AT91_PMC_AUDIO_PLL_QDPAD_OFFSET
 212 #define         AT91_PMC_AUDIO_PLL_QDPAD_DIV_MASK       (0x3  << AT91_PMC_AUDIO_PLL_QDPAD_DIV_OFFSET)
 213 #define         AT91_PMC_AUDIO_PLL_QDPAD_DIV(n)         ((n)  << AT91_PMC_AUDIO_PLL_QDPAD_DIV_OFFSET)
 214 #define         AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_OFFSET  26
 215 #define         AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_MAX     0x1f
 216 #define         AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_MASK    (AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_MAX << AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_OFFSET)
 217 #define         AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV(n)      ((n)  << AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_OFFSET)
 218 
 219 #endif