drivers/mfd/wm8350-regmap.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * wm8350-regmap.c  --  Wolfson Microelectronics WM8350 register map
   4  *
   5  * This file splits out the tables describing the defaults and access
   6  * status of the WM8350 registers since they are rather large.
   7  *
   8  * Copyright 2007, 2008 Wolfson Microelectronics PLC.
   9  */
  10
  11 #include <linux/mfd/wm8350/core.h>
  12
  13 /*
  14  * Access masks.
  15  */
  16
  17 static const struct wm8350_reg_access {
  18         u16 readable;           /* Mask of readable bits */
  19         u16 writable;           /* Mask of writable bits */
  20         u16 vol;                /* Mask of volatile bits */
  21 } wm8350_reg_io_map[] = {
  22         /*  read    write volatile */
  23         { 0xFFFF, 0xFFFF, 0x0000 }, /* R0   - Reset/ID */
  24         { 0x7CFF, 0x0C00, 0x0000 }, /* R1   - ID */
  25         { 0x007F, 0x0000, 0x0000 }, /* R2   - ROM Mask ID */
  26         { 0xBE3B, 0xBE3B, 0x8000 }, /* R3   - System Control 1 */
  27         { 0xFEF7, 0xFEF7, 0xF800 }, /* R4   - System Control 2 */
  28         { 0x80FF, 0x80FF, 0x8000 }, /* R5   - System Hibernate */
  29         { 0xFB0E, 0xFB0E, 0x0000 }, /* R6   - Interface Control */
  30         { 0x0000, 0x0000, 0x0000 }, /* R7 */
  31         { 0xE537, 0xE537, 0xFFFF }, /* R8   - Power mgmt (1) */
  32         { 0x0FF3, 0x0FF3, 0xFFFF }, /* R9   - Power mgmt (2) */
  33         { 0x008F, 0x008F, 0xFFFF }, /* R10  - Power mgmt (3) */
  34         { 0x6D3C, 0x6D3C, 0xFFFF }, /* R11  - Power mgmt (4) */
  35         { 0x1F8F, 0x1F8F, 0xFFFF }, /* R12  - Power mgmt (5) */
  36         { 0x8F3F, 0x8F3F, 0xFFFF }, /* R13  - Power mgmt (6) */
  37         { 0x0003, 0x0003, 0xFFFF }, /* R14  - Power mgmt (7) */
  38         { 0x0000, 0x0000, 0x0000 }, /* R15 */
  39         { 0x7F7F, 0x7F7F, 0xFFFF }, /* R16  - RTC Seconds/Minutes */
  40         { 0x073F, 0x073F, 0xFFFF }, /* R17  - RTC Hours/Day */
  41         { 0x1F3F, 0x1F3F, 0xFFFF }, /* R18  - RTC Date/Month */
  42         { 0x3FFF, 0x00FF, 0xFFFF }, /* R19  - RTC Year */
  43         { 0x7F7F, 0x7F7F, 0x0000 }, /* R20  - Alarm Seconds/Minutes */
  44         { 0x0F3F, 0x0F3F, 0x0000 }, /* R21  - Alarm Hours/Day */
  45         { 0x1F3F, 0x1F3F, 0x0000 }, /* R22  - Alarm Date/Month */
  46         { 0xEF7F, 0xEA7F, 0xFFFF }, /* R23  - RTC Time Control */
  47         { 0x3BFF, 0x0000, 0xFFFF }, /* R24  - System Interrupts */
  48         { 0xFEE7, 0x0000, 0xFFFF }, /* R25  - Interrupt Status 1 */
  49         { 0x35FF, 0x0000, 0xFFFF }, /* R26  - Interrupt Status 2 */
  50         { 0x0F3F, 0x0000, 0xFFFF }, /* R27  - Power Up Interrupt Status */
  51         { 0x0F3F, 0x0000, 0xFFFF }, /* R28  - Under Voltage Interrupt status */
  52         { 0x8000, 0x0000, 0xFFFF }, /* R29  - Over Current Interrupt status */
  53         { 0x1FFF, 0x0000, 0xFFFF }, /* R30  - GPIO Interrupt Status */
  54         { 0xEF7F, 0x0000, 0xFFFF }, /* R31  - Comparator Interrupt Status */
  55         { 0x3FFF, 0x3FFF, 0x0000 }, /* R32  - System Interrupts Mask */
  56         { 0xFEE7, 0xFEE7, 0x0000 }, /* R33  - Interrupt Status 1 Mask */
  57         { 0xF5FF, 0xF5FF, 0x0000 }, /* R34  - Interrupt Status 2 Mask */
  58         { 0x0F3F, 0x0F3F, 0x0000 }, /* R35  - Power Up Interrupt Status Mask */
  59         { 0x0F3F, 0x0F3F, 0x0000 }, /* R36  - Under Voltage Int status Mask */
  60         { 0x8000, 0x8000, 0x0000 }, /* R37  - Over Current Int status Mask */
  61         { 0x1FFF, 0x1FFF, 0x0000 }, /* R38  - GPIO Interrupt Status Mask */
  62         { 0xEF7F, 0xEF7F, 0x0000 }, /* R39  - Comparator IntStatus Mask */
  63         { 0xC9F7, 0xC9F7, 0xFFFF }, /* R40  - Clock Control 1 */
  64         { 0x8001, 0x8001, 0x0000 }, /* R41  - Clock Control 2 */
  65         { 0xFFF7, 0xFFF7, 0xFFFF }, /* R42  - FLL Control 1 */
  66         { 0xFBFF, 0xFBFF, 0x0000 }, /* R43  - FLL Control 2 */
  67         { 0xFFFF, 0xFFFF, 0x0000 }, /* R44  - FLL Control 3 */
  68         { 0x0033, 0x0033, 0x0000 }, /* R45  - FLL Control 4 */
  69         { 0x0000, 0x0000, 0x0000 }, /* R46 */
  70         { 0x0000, 0x0000, 0x0000 }, /* R47 */
  71         { 0x3033, 0x3033, 0x0000 }, /* R48  - DAC Control */
  72         { 0x0000, 0x0000, 0x0000 }, /* R49 */
  73         { 0x81FF, 0x81FF, 0xFFFF }, /* R50  - DAC Digital Volume L */
  74         { 0x81FF, 0x81FF, 0xFFFF }, /* R51  - DAC Digital Volume R */
  75         { 0x0000, 0x0000, 0x0000 }, /* R52 */
  76         { 0x0FFF, 0x0FFF, 0xFFFF }, /* R53  - DAC LR Rate */
  77         { 0x0017, 0x0017, 0x0000 }, /* R54  - DAC Clock Control */
  78         { 0x0000, 0x0000, 0x0000 }, /* R55 */
  79         { 0x0000, 0x0000, 0x0000 }, /* R56 */
  80         { 0x0000, 0x0000, 0x0000 }, /* R57 */
  81         { 0x4000, 0x4000, 0x0000 }, /* R58  - DAC Mute */
  82         { 0x7000, 0x7000, 0x0000 }, /* R59  - DAC Mute Volume */
  83         { 0x3C00, 0x3C00, 0x0000 }, /* R60  - DAC Side */
  84         { 0x0000, 0x0000, 0x0000 }, /* R61 */
  85         { 0x0000, 0x0000, 0x0000 }, /* R62 */
  86         { 0x0000, 0x0000, 0x0000 }, /* R63 */
  87         { 0x8303, 0x8303, 0xFFFF }, /* R64  - ADC Control */
  88         { 0x0000, 0x0000, 0x0000 }, /* R65 */
  89         { 0x81FF, 0x81FF, 0xFFFF }, /* R66  - ADC Digital Volume L */
  90         { 0x81FF, 0x81FF, 0xFFFF }, /* R67  - ADC Digital Volume R */
  91         { 0x0FFF, 0x0FFF, 0x0000 }, /* R68  - ADC Divider */
  92         { 0x0000, 0x0000, 0x0000 }, /* R69 */
  93         { 0x0FFF, 0x0FFF, 0xFFFF }, /* R70  - ADC LR Rate */
  94         { 0x0000, 0x0000, 0x0000 }, /* R71 */
  95         { 0x0707, 0x0707, 0xFFFF }, /* R72  - Input Control */
  96         { 0xC0C0, 0xC0C0, 0xFFFF }, /* R73  - IN3 Input Control */
  97         { 0xC09F, 0xC09F, 0xFFFF }, /* R74  - Mic Bias Control */
  98         { 0x0000, 0x0000, 0x0000 }, /* R75 */
  99         { 0x0F15, 0x0F15, 0xFFFF }, /* R76  - Output Control */
 100         { 0xC000, 0xC000, 0xFFFF }, /* R77  - Jack Detect */
 101         { 0x03FF, 0x03FF, 0x0000 }, /* R78  - Anti Pop Control */
 102         { 0x0000, 0x0000, 0x0000 }, /* R79 */
 103         { 0xE1FC, 0xE1FC, 0x8000 }, /* R80  - Left Input Volume */
 104         { 0xE1FC, 0xE1FC, 0x8000 }, /* R81  - Right Input Volume */
 105         { 0x0000, 0x0000, 0x0000 }, /* R82 */
 106         { 0x0000, 0x0000, 0x0000 }, /* R83 */
 107         { 0x0000, 0x0000, 0x0000 }, /* R84 */
 108         { 0x0000, 0x0000, 0x0000 }, /* R85 */
 109         { 0x0000, 0x0000, 0x0000 }, /* R86 */
 110         { 0x0000, 0x0000, 0x0000 }, /* R87 */
 111         { 0x9807, 0x9807, 0xFFFF }, /* R88  - Left Mixer Control */
 112         { 0x980B, 0x980B, 0xFFFF }, /* R89  - Right Mixer Control */
 113         { 0x0000, 0x0000, 0x0000 }, /* R90 */
 114         { 0x0000, 0x0000, 0x0000 }, /* R91 */
 115         { 0x8909, 0x8909, 0xFFFF }, /* R92  - OUT3 Mixer Control */
 116         { 0x9E07, 0x9E07, 0xFFFF }, /* R93  - OUT4 Mixer Control */
 117         { 0x0000, 0x0000, 0x0000 }, /* R94 */
 118         { 0x0000, 0x0000, 0x0000 }, /* R95 */
 119         { 0x0EEE, 0x0EEE, 0x0000 }, /* R96  - Output Left Mixer Volume */
 120         { 0xE0EE, 0xE0EE, 0x0000 }, /* R97  - Output Right Mixer Volume */
 121         { 0x0E0F, 0x0E0F, 0x0000 }, /* R98  - Input Mixer Volume L */
 122         { 0xE0E1, 0xE0E1, 0x0000 }, /* R99  - Input Mixer Volume R */
 123         { 0x800E, 0x800E, 0x0000 }, /* R100 - Input Mixer Volume */
 124         { 0x0000, 0x0000, 0x0000 }, /* R101 */
 125         { 0x0000, 0x0000, 0x0000 }, /* R102 */
 126         { 0x0000, 0x0000, 0x0000 }, /* R103 */
 127         { 0xE1FC, 0xE1FC, 0xFFFF }, /* R104 - LOUT1 Volume */
 128         { 0xE1FC, 0xE1FC, 0xFFFF }, /* R105 - ROUT1 Volume */
 129         { 0xE1FC, 0xE1FC, 0xFFFF }, /* R106 - LOUT2 Volume */
 130         { 0xE7FC, 0xE7FC, 0xFFFF }, /* R107 - ROUT2 Volume */
 131         { 0x0000, 0x0000, 0x0000 }, /* R108 */
 132         { 0x0000, 0x0000, 0x0000 }, /* R109 */
 133         { 0x0000, 0x0000, 0x0000 }, /* R110 */
 134         { 0x80E0, 0x80E0, 0xFFFF }, /* R111 - BEEP Volume */
 135         { 0xBF00, 0xBF00, 0x0000 }, /* R112 - AI Formating */
 136         { 0x00F1, 0x00F1, 0x0000 }, /* R113 - ADC DAC COMP */
 137         { 0x00F8, 0x00F8, 0x0000 }, /* R114 - AI ADC Control */
 138         { 0x40FB, 0x40FB, 0x0000 }, /* R115 - AI DAC Control */
 139         { 0x7C30, 0x7C30, 0x0000 }, /* R116 - AIF Test */
 140         { 0x0000, 0x0000, 0x0000 }, /* R117 */
 141         { 0x0000, 0x0000, 0x0000 }, /* R118 */
 142         { 0x0000, 0x0000, 0x0000 }, /* R119 */
 143         { 0x0000, 0x0000, 0x0000 }, /* R120 */
 144         { 0x0000, 0x0000, 0x0000 }, /* R121 */
 145         { 0x0000, 0x0000, 0x0000 }, /* R122 */
 146         { 0x0000, 0x0000, 0x0000 }, /* R123 */
 147         { 0x0000, 0x0000, 0x0000 }, /* R124 */
 148         { 0x0000, 0x0000, 0x0000 }, /* R125 */
 149         { 0x0000, 0x0000, 0x0000 }, /* R126 */
 150         { 0x0000, 0x0000, 0x0000 }, /* R127 */
 151         { 0x1FFF, 0x1FFF, 0x0000 }, /* R128 - GPIO Debounce */
 152         { 0x1FFF, 0x1FFF, 0x0000 }, /* R129 - GPIO Pin pull up Control */
 153         { 0x1FFF, 0x1FFF, 0x0000 }, /* R130 - GPIO Pull down Control */
 154         { 0x1FFF, 0x1FFF, 0x0000 }, /* R131 - GPIO Interrupt Mode */
 155         { 0x0000, 0x0000, 0x0000 }, /* R132 */
 156         { 0x00C0, 0x00C0, 0x0000 }, /* R133 - GPIO Control */
 157         { 0x1FFF, 0x1FFF, 0x0000 }, /* R134 - GPIO Configuration (i/o) */
 158         { 0x1FFF, 0x1FFF, 0x0000 }, /* R135 - GPIO Pin Polarity / Type */
 159         { 0x0000, 0x0000, 0x0000 }, /* R136 */
 160         { 0x0000, 0x0000, 0x0000 }, /* R137 */
 161         { 0x0000, 0x0000, 0x0000 }, /* R138 */
 162         { 0x0000, 0x0000, 0x0000 }, /* R139 */
 163         { 0xFFFF, 0xFFFF, 0x0000 }, /* R140 - GPIO Function Select 1 */
 164         { 0xFFFF, 0xFFFF, 0x0000 }, /* R141 - GPIO Function Select 2 */
 165         { 0xFFFF, 0xFFFF, 0x0000 }, /* R142 - GPIO Function Select 3 */
 166         { 0x000F, 0x000F, 0x0000 }, /* R143 - GPIO Function Select 4 */
 167         { 0xF0FF, 0xF0FF, 0xA000 }, /* R144 - Digitiser Control (1) */
 168         { 0x3707, 0x3707, 0x0000 }, /* R145 - Digitiser Control (2) */
 169         { 0x0000, 0x0000, 0x0000 }, /* R146 */
 170         { 0x0000, 0x0000, 0x0000 }, /* R147 */
 171         { 0x0000, 0x0000, 0x0000 }, /* R148 */
 172         { 0x0000, 0x0000, 0x0000 }, /* R149 */
 173         { 0x0000, 0x0000, 0x0000 }, /* R150 */
 174         { 0x0000, 0x0000, 0x0000 }, /* R151 */
 175         { 0x7FFF, 0x7000, 0xFFFF }, /* R152 - AUX1 Readback */
 176         { 0x7FFF, 0x7000, 0xFFFF }, /* R153 - AUX2 Readback */
 177         { 0x7FFF, 0x7000, 0xFFFF }, /* R154 - AUX3 Readback */
 178         { 0x7FFF, 0x7000, 0xFFFF }, /* R155 - AUX4 Readback */
 179         { 0x0FFF, 0x0000, 0xFFFF }, /* R156 - USB Voltage Readback */
 180         { 0x0FFF, 0x0000, 0xFFFF }, /* R157 - LINE Voltage Readback */
 181         { 0x0FFF, 0x0000, 0xFFFF }, /* R158 - BATT Voltage Readback */
 182         { 0x0FFF, 0x0000, 0xFFFF }, /* R159 - Chip Temp Readback */
 183         { 0x0000, 0x0000, 0x0000 }, /* R160 */
 184         { 0x0000, 0x0000, 0x0000 }, /* R161 */
 185         { 0x0000, 0x0000, 0x0000 }, /* R162 */
 186         { 0x000F, 0x000F, 0x0000 }, /* R163 - Generic Comparator Control */
 187         { 0xFFFF, 0xFFFF, 0x0000 }, /* R164 - Generic comparator 1 */
 188         { 0xFFFF, 0xFFFF, 0x0000 }, /* R165 - Generic comparator 2 */
 189         { 0xFFFF, 0xFFFF, 0x0000 }, /* R166 - Generic comparator 3 */
 190         { 0xFFFF, 0xFFFF, 0x0000 }, /* R167 - Generic comparator 4 */
 191         { 0xBFFF, 0xBFFF, 0x8000 }, /* R168 - Battery Charger Control 1 */
 192         { 0xFFFF, 0x4FFF, 0xB000 }, /* R169 - Battery Charger Control 2 */
 193         { 0x007F, 0x007F, 0x0000 }, /* R170 - Battery Charger Control 3 */
 194         { 0x0000, 0x0000, 0x0000 }, /* R171 */
 195         { 0x903F, 0x903F, 0xFFFF }, /* R172 - Current Sink Driver A */
 196         { 0xE333, 0xE333, 0xFFFF }, /* R173 - CSA Flash control */
 197         { 0x903F, 0x903F, 0xFFFF }, /* R174 - Current Sink Driver B */
 198         { 0xE333, 0xE333, 0xFFFF }, /* R175 - CSB Flash control */
 199         { 0x8F3F, 0x8F3F, 0xFFFF }, /* R176 - DCDC/LDO requested */
 200         { 0x332D, 0x332D, 0x0000 }, /* R177 - DCDC Active options */
 201         { 0x002D, 0x002D, 0x0000 }, /* R178 - DCDC Sleep options */
 202         { 0x5177, 0x5177, 0x8000 }, /* R179 - Power-check comparator */
 203         { 0x047F, 0x047F, 0x0000 }, /* R180 - DCDC1 Control */
 204         { 0xFFC0, 0xFFC0, 0x0000 }, /* R181 - DCDC1 Timeouts */
 205         { 0x737F, 0x737F, 0x0000 }, /* R182 - DCDC1 Low Power */
 206         { 0x535B, 0x535B, 0x0000 }, /* R183 - DCDC2 Control */
 207         { 0xFFC0, 0xFFC0, 0x0000 }, /* R184 - DCDC2 Timeouts */
 208         { 0x0000, 0x0000, 0x0000 }, /* R185 */
 209         { 0x047F, 0x047F, 0x0000 }, /* R186 - DCDC3 Control */
 210         { 0xFFC0, 0xFFC0, 0x0000 }, /* R187 - DCDC3 Timeouts */
 211         { 0x737F, 0x737F, 0x0000 }, /* R188 - DCDC3 Low Power */
 212         { 0x047F, 0x047F, 0x0000 }, /* R189 - DCDC4 Control */
 213         { 0xFFC0, 0xFFC0, 0x0000 }, /* R190 - DCDC4 Timeouts */
 214         { 0x737F, 0x737F, 0x0000 }, /* R191 - DCDC4 Low Power */
 215         { 0x535B, 0x535B, 0x0000 }, /* R192 - DCDC5 Control */
 216         { 0xFFC0, 0xFFC0, 0x0000 }, /* R193 - DCDC5 Timeouts */
 217         { 0x0000, 0x0000, 0x0000 }, /* R194 */
 218         { 0x047F, 0x047F, 0x0000 }, /* R195 - DCDC6 Control */
 219         { 0xFFC0, 0xFFC0, 0x0000 }, /* R196 - DCDC6 Timeouts */
 220         { 0x737F, 0x737F, 0x0000 }, /* R197 - DCDC6 Low Power */
 221         { 0x0000, 0x0000, 0x0000 }, /* R198 */
 222         { 0xFFD3, 0xFFD3, 0x0000 }, /* R199 - Limit Switch Control */
 223         { 0x441F, 0x441F, 0x0000 }, /* R200 - LDO1 Control */
 224         { 0xFFC0, 0xFFC0, 0x0000 }, /* R201 - LDO1 Timeouts */
 225         { 0x331F, 0x331F, 0x0000 }, /* R202 - LDO1 Low Power */
 226         { 0x441F, 0x441F, 0x0000 }, /* R203 - LDO2 Control */
 227         { 0xFFC0, 0xFFC0, 0x0000 }, /* R204 - LDO2 Timeouts */
 228         { 0x331F, 0x331F, 0x0000 }, /* R205 - LDO2 Low Power */
 229         { 0x441F, 0x441F, 0x0000 }, /* R206 - LDO3 Control */
 230         { 0xFFC0, 0xFFC0, 0x0000 }, /* R207 - LDO3 Timeouts */
 231         { 0x331F, 0x331F, 0x0000 }, /* R208 - LDO3 Low Power */
 232         { 0x441F, 0x441F, 0x0000 }, /* R209 - LDO4 Control */
 233         { 0xFFC0, 0xFFC0, 0x0000 }, /* R210 - LDO4 Timeouts */
 234         { 0x331F, 0x331F, 0x0000 }, /* R211 - LDO4 Low Power */
 235         { 0x0000, 0x0000, 0x0000 }, /* R212 */
 236         { 0x0000, 0x0000, 0x0000 }, /* R213 */
 237         { 0x0000, 0x0000, 0x0000 }, /* R214 */
 238         { 0x8F3F, 0x8F3F, 0x0000 }, /* R215 - VCC_FAULT Masks */
 239         { 0xFF3F, 0xE03F, 0x0000 }, /* R216 - Main Bandgap Control */
 240         { 0xEF2F, 0xE02F, 0x0000 }, /* R217 - OSC Control */
 241         { 0xF3FF, 0xB3FF, 0xc000 }, /* R218 - RTC Tick Control */
 242         { 0xFFFF, 0xFFFF, 0x0000 }, /* R219 - Security */
 243         { 0x09FF, 0x01FF, 0x0000 }, /* R220 - RAM BIST 1 */
 244         { 0x0000, 0x0000, 0x0000 }, /* R221 */
 245         { 0xFFFF, 0xFFFF, 0xFFFF }, /* R222 */
 246         { 0xFFFF, 0xFFFF, 0xFFFF }, /* R223 */
 247         { 0x0000, 0x0000, 0x0000 }, /* R224 */
 248         { 0x8F3F, 0x0000, 0xFFFF }, /* R225 - DCDC/LDO status */
 249         { 0x0000, 0x0000, 0xFFFF }, /* R226 - Charger status */
 250         { 0x34FE, 0x0000, 0xFFFF }, /* R227 */
 251         { 0x0000, 0x0000, 0x0000 }, /* R228 */
 252         { 0x0000, 0x0000, 0x0000 }, /* R229 */
 253         { 0xFFFF, 0x1FFF, 0xFFFF }, /* R230 - GPIO Pin Status */
 254         { 0xFFFF, 0x1FFF, 0xFFFF }, /* R231 */
 255         { 0xFFFF, 0x1FFF, 0xFFFF }, /* R232 */
 256         { 0xFFFF, 0x1FFF, 0xFFFF }, /* R233 */
 257         { 0x0000, 0x0000, 0x0000 }, /* R234 */
 258         { 0x0000, 0x0000, 0x0000 }, /* R235 */
 259         { 0x0000, 0x0000, 0x0000 }, /* R236 */
 260         { 0x0000, 0x0000, 0x0000 }, /* R237 */
 261         { 0x0000, 0x0000, 0x0000 }, /* R238 */
 262         { 0x0000, 0x0000, 0x0000 }, /* R239 */
 263         { 0x0000, 0x0000, 0x0000 }, /* R240 */
 264         { 0x0000, 0x0000, 0x0000 }, /* R241 */
 265         { 0x0000, 0x0000, 0x0000 }, /* R242 */
 266         { 0x0000, 0x0000, 0x0000 }, /* R243 */
 267         { 0x0000, 0x0000, 0x0000 }, /* R244 */
 268         { 0x0000, 0x0000, 0x0000 }, /* R245 */
 269         { 0x0000, 0x0000, 0x0000 }, /* R246 */
 270         { 0x0000, 0x0000, 0x0000 }, /* R247 */
 271         { 0xFFFF, 0x0010, 0xFFFF }, /* R248 */
 272         { 0x0000, 0x0000, 0x0000 }, /* R249 */
 273         { 0xFFFF, 0x0010, 0xFFFF }, /* R250 */
 274         { 0xFFFF, 0x0010, 0xFFFF }, /* R251 */
 275         { 0x0000, 0x0000, 0x0000 }, /* R252 */
 276         { 0xFFFF, 0x0010, 0xFFFF }, /* R253 */
 277         { 0x0000, 0x0000, 0x0000 }, /* R254 */
 278         { 0x0000, 0x0000, 0x0000 }, /* R255 */
 279 };
 280
 281 static bool wm8350_readable(struct device *dev, unsigned int reg)
 282 {
 283         return wm8350_reg_io_map[reg].readable;
 284 }
 285
 286 static bool wm8350_writeable(struct device *dev, unsigned int reg)
 287 {
 288         struct wm8350 *wm8350 = dev_get_drvdata(dev);
 289
 290         if (!wm8350->unlocked) {
 291                 if ((reg >= WM8350_GPIO_FUNCTION_SELECT_1 &&
 292                      reg <= WM8350_GPIO_FUNCTION_SELECT_4) ||
 293                     (reg >= WM8350_BATTERY_CHARGER_CONTROL_1 &&
 294                      reg <= WM8350_BATTERY_CHARGER_CONTROL_3))
 295                         return false;
 296         }
 297
 298         return wm8350_reg_io_map[reg].writable;
 299 }
 300
 301 static bool wm8350_volatile(struct device *dev, unsigned int reg)
 302 {
 303         return wm8350_reg_io_map[reg].vol;
 304 }
 305
 306 static bool wm8350_precious(struct device *dev, unsigned int reg)
 307 {
 308         switch (reg) {
 309         case WM8350_SYSTEM_INTERRUPTS:
 310         case WM8350_INT_STATUS_1:
 311         case WM8350_INT_STATUS_2:
 312         case WM8350_POWER_UP_INT_STATUS:
 313         case WM8350_UNDER_VOLTAGE_INT_STATUS:
 314         case WM8350_OVER_CURRENT_INT_STATUS:
 315         case WM8350_GPIO_INT_STATUS:
 316         case WM8350_COMPARATOR_INT_STATUS:
 317                 return true;
 318
 319         default:
 320                 return false;
 321         }
 322 }
 323
 324 const struct regmap_config wm8350_regmap = {
 325         .reg_bits = 8,
 326         .val_bits = 16,
 327
 328         .cache_type = REGCACHE_RBTREE,
 329
 330         .max_register = WM8350_MAX_REGISTER,
 331         .readable_reg = wm8350_readable,
 332         .writeable_reg = wm8350_writeable,
 333         .volatile_reg = wm8350_volatile,
 334         .precious_reg = wm8350_precious,
 335 };