linux/drivers/mfd/wm8350-regmap.c
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   1/*
   2 * wm8350-regmap.c  --  Wolfson Microelectronics WM8350 register map
   3 *
   4 * This file splits out the tables describing the defaults and access
   5 * status of the WM8350 registers since they are rather large.
   6 *
   7 * Copyright 2007, 2008 Wolfson Microelectronics PLC.
   8 *
   9 *  This program is free software; you can redistribute  it and/or modify it
  10 *  under  the terms of  the GNU General  Public License as published by the
  11 *  Free Software Foundation;  either version 2 of the  License, or (at your
  12 *  option) any later version.
  13 */
  14
  15#include <linux/mfd/wm8350/core.h>
  16
  17/*
  18 * Access masks.
  19 */
  20
  21static const struct wm8350_reg_access {
  22        u16 readable;           /* Mask of readable bits */
  23        u16 writable;           /* Mask of writable bits */
  24        u16 vol;                /* Mask of volatile bits */
  25} wm8350_reg_io_map[] = {
  26        /*  read    write volatile */
  27        { 0xFFFF, 0xFFFF, 0x0000 }, /* R0   - Reset/ID */
  28        { 0x7CFF, 0x0C00, 0x0000 }, /* R1   - ID */
  29        { 0x007F, 0x0000, 0x0000 }, /* R2   - ROM Mask ID */
  30        { 0xBE3B, 0xBE3B, 0x8000 }, /* R3   - System Control 1 */
  31        { 0xFEF7, 0xFEF7, 0xF800 }, /* R4   - System Control 2 */
  32        { 0x80FF, 0x80FF, 0x8000 }, /* R5   - System Hibernate */
  33        { 0xFB0E, 0xFB0E, 0x0000 }, /* R6   - Interface Control */
  34        { 0x0000, 0x0000, 0x0000 }, /* R7 */
  35        { 0xE537, 0xE537, 0xFFFF }, /* R8   - Power mgmt (1) */
  36        { 0x0FF3, 0x0FF3, 0xFFFF }, /* R9   - Power mgmt (2) */
  37        { 0x008F, 0x008F, 0xFFFF }, /* R10  - Power mgmt (3) */
  38        { 0x6D3C, 0x6D3C, 0xFFFF }, /* R11  - Power mgmt (4) */
  39        { 0x1F8F, 0x1F8F, 0xFFFF }, /* R12  - Power mgmt (5) */
  40        { 0x8F3F, 0x8F3F, 0xFFFF }, /* R13  - Power mgmt (6) */
  41        { 0x0003, 0x0003, 0xFFFF }, /* R14  - Power mgmt (7) */
  42        { 0x0000, 0x0000, 0x0000 }, /* R15 */
  43        { 0x7F7F, 0x7F7F, 0xFFFF }, /* R16  - RTC Seconds/Minutes */
  44        { 0x073F, 0x073F, 0xFFFF }, /* R17  - RTC Hours/Day */
  45        { 0x1F3F, 0x1F3F, 0xFFFF }, /* R18  - RTC Date/Month */
  46        { 0x3FFF, 0x00FF, 0xFFFF }, /* R19  - RTC Year */
  47        { 0x7F7F, 0x7F7F, 0x0000 }, /* R20  - Alarm Seconds/Minutes */
  48        { 0x0F3F, 0x0F3F, 0x0000 }, /* R21  - Alarm Hours/Day */
  49        { 0x1F3F, 0x1F3F, 0x0000 }, /* R22  - Alarm Date/Month */
  50        { 0xEF7F, 0xEA7F, 0xFFFF }, /* R23  - RTC Time Control */
  51        { 0x3BFF, 0x0000, 0xFFFF }, /* R24  - System Interrupts */
  52        { 0xFEE7, 0x0000, 0xFFFF }, /* R25  - Interrupt Status 1 */
  53        { 0x35FF, 0x0000, 0xFFFF }, /* R26  - Interrupt Status 2 */
  54        { 0x0F3F, 0x0000, 0xFFFF }, /* R27  - Power Up Interrupt Status */
  55        { 0x0F3F, 0x0000, 0xFFFF }, /* R28  - Under Voltage Interrupt status */
  56        { 0x8000, 0x0000, 0xFFFF }, /* R29  - Over Current Interrupt status */
  57        { 0x1FFF, 0x0000, 0xFFFF }, /* R30  - GPIO Interrupt Status */
  58        { 0xEF7F, 0x0000, 0xFFFF }, /* R31  - Comparator Interrupt Status */
  59        { 0x3FFF, 0x3FFF, 0x0000 }, /* R32  - System Interrupts Mask */
  60        { 0xFEE7, 0xFEE7, 0x0000 }, /* R33  - Interrupt Status 1 Mask */
  61        { 0xF5FF, 0xF5FF, 0x0000 }, /* R34  - Interrupt Status 2 Mask */
  62        { 0x0F3F, 0x0F3F, 0x0000 }, /* R35  - Power Up Interrupt Status Mask */
  63        { 0x0F3F, 0x0F3F, 0x0000 }, /* R36  - Under Voltage Int status Mask */
  64        { 0x8000, 0x8000, 0x0000 }, /* R37  - Over Current Int status Mask */
  65        { 0x1FFF, 0x1FFF, 0x0000 }, /* R38  - GPIO Interrupt Status Mask */
  66        { 0xEF7F, 0xEF7F, 0x0000 }, /* R39  - Comparator IntStatus Mask */
  67        { 0xC9F7, 0xC9F7, 0xFFFF }, /* R40  - Clock Control 1 */
  68        { 0x8001, 0x8001, 0x0000 }, /* R41  - Clock Control 2 */
  69        { 0xFFF7, 0xFFF7, 0xFFFF }, /* R42  - FLL Control 1 */
  70        { 0xFBFF, 0xFBFF, 0x0000 }, /* R43  - FLL Control 2 */
  71        { 0xFFFF, 0xFFFF, 0x0000 }, /* R44  - FLL Control 3 */
  72        { 0x0033, 0x0033, 0x0000 }, /* R45  - FLL Control 4 */
  73        { 0x0000, 0x0000, 0x0000 }, /* R46 */
  74        { 0x0000, 0x0000, 0x0000 }, /* R47 */
  75        { 0x3033, 0x3033, 0x0000 }, /* R48  - DAC Control */
  76        { 0x0000, 0x0000, 0x0000 }, /* R49 */
  77        { 0x81FF, 0x81FF, 0xFFFF }, /* R50  - DAC Digital Volume L */
  78        { 0x81FF, 0x81FF, 0xFFFF }, /* R51  - DAC Digital Volume R */
  79        { 0x0000, 0x0000, 0x0000 }, /* R52 */
  80        { 0x0FFF, 0x0FFF, 0xFFFF }, /* R53  - DAC LR Rate */
  81        { 0x0017, 0x0017, 0x0000 }, /* R54  - DAC Clock Control */
  82        { 0x0000, 0x0000, 0x0000 }, /* R55 */
  83        { 0x0000, 0x0000, 0x0000 }, /* R56 */
  84        { 0x0000, 0x0000, 0x0000 }, /* R57 */
  85        { 0x4000, 0x4000, 0x0000 }, /* R58  - DAC Mute */
  86        { 0x7000, 0x7000, 0x0000 }, /* R59  - DAC Mute Volume */
  87        { 0x3C00, 0x3C00, 0x0000 }, /* R60  - DAC Side */
  88        { 0x0000, 0x0000, 0x0000 }, /* R61 */
  89        { 0x0000, 0x0000, 0x0000 }, /* R62 */
  90        { 0x0000, 0x0000, 0x0000 }, /* R63 */
  91        { 0x8303, 0x8303, 0xFFFF }, /* R64  - ADC Control */
  92        { 0x0000, 0x0000, 0x0000 }, /* R65 */
  93        { 0x81FF, 0x81FF, 0xFFFF }, /* R66  - ADC Digital Volume L */
  94        { 0x81FF, 0x81FF, 0xFFFF }, /* R67  - ADC Digital Volume R */
  95        { 0x0FFF, 0x0FFF, 0x0000 }, /* R68  - ADC Divider */
  96        { 0x0000, 0x0000, 0x0000 }, /* R69 */
  97        { 0x0FFF, 0x0FFF, 0xFFFF }, /* R70  - ADC LR Rate */
  98        { 0x0000, 0x0000, 0x0000 }, /* R71 */
  99        { 0x0707, 0x0707, 0xFFFF }, /* R72  - Input Control */
 100        { 0xC0C0, 0xC0C0, 0xFFFF }, /* R73  - IN3 Input Control */
 101        { 0xC09F, 0xC09F, 0xFFFF }, /* R74  - Mic Bias Control */
 102        { 0x0000, 0x0000, 0x0000 }, /* R75 */
 103        { 0x0F15, 0x0F15, 0xFFFF }, /* R76  - Output Control */
 104        { 0xC000, 0xC000, 0xFFFF }, /* R77  - Jack Detect */
 105        { 0x03FF, 0x03FF, 0x0000 }, /* R78  - Anti Pop Control */
 106        { 0x0000, 0x0000, 0x0000 }, /* R79 */
 107        { 0xE1FC, 0xE1FC, 0x8000 }, /* R80  - Left Input Volume */
 108        { 0xE1FC, 0xE1FC, 0x8000 }, /* R81  - Right Input Volume */
 109        { 0x0000, 0x0000, 0x0000 }, /* R82 */
 110        { 0x0000, 0x0000, 0x0000 }, /* R83 */
 111        { 0x0000, 0x0000, 0x0000 }, /* R84 */
 112        { 0x0000, 0x0000, 0x0000 }, /* R85 */
 113        { 0x0000, 0x0000, 0x0000 }, /* R86 */
 114        { 0x0000, 0x0000, 0x0000 }, /* R87 */
 115        { 0x9807, 0x9807, 0xFFFF }, /* R88  - Left Mixer Control */
 116        { 0x980B, 0x980B, 0xFFFF }, /* R89  - Right Mixer Control */
 117        { 0x0000, 0x0000, 0x0000 }, /* R90 */
 118        { 0x0000, 0x0000, 0x0000 }, /* R91 */
 119        { 0x8909, 0x8909, 0xFFFF }, /* R92  - OUT3 Mixer Control */
 120        { 0x9E07, 0x9E07, 0xFFFF }, /* R93  - OUT4 Mixer Control */
 121        { 0x0000, 0x0000, 0x0000 }, /* R94 */
 122        { 0x0000, 0x0000, 0x0000 }, /* R95 */
 123        { 0x0EEE, 0x0EEE, 0x0000 }, /* R96  - Output Left Mixer Volume */
 124        { 0xE0EE, 0xE0EE, 0x0000 }, /* R97  - Output Right Mixer Volume */
 125        { 0x0E0F, 0x0E0F, 0x0000 }, /* R98  - Input Mixer Volume L */
 126        { 0xE0E1, 0xE0E1, 0x0000 }, /* R99  - Input Mixer Volume R */
 127        { 0x800E, 0x800E, 0x0000 }, /* R100 - Input Mixer Volume */
 128        { 0x0000, 0x0000, 0x0000 }, /* R101 */
 129        { 0x0000, 0x0000, 0x0000 }, /* R102 */
 130        { 0x0000, 0x0000, 0x0000 }, /* R103 */
 131        { 0xE1FC, 0xE1FC, 0xFFFF }, /* R104 - LOUT1 Volume */
 132        { 0xE1FC, 0xE1FC, 0xFFFF }, /* R105 - ROUT1 Volume */
 133        { 0xE1FC, 0xE1FC, 0xFFFF }, /* R106 - LOUT2 Volume */
 134        { 0xE7FC, 0xE7FC, 0xFFFF }, /* R107 - ROUT2 Volume */
 135        { 0x0000, 0x0000, 0x0000 }, /* R108 */
 136        { 0x0000, 0x0000, 0x0000 }, /* R109 */
 137        { 0x0000, 0x0000, 0x0000 }, /* R110 */
 138        { 0x80E0, 0x80E0, 0xFFFF }, /* R111 - BEEP Volume */
 139        { 0xBF00, 0xBF00, 0x0000 }, /* R112 - AI Formating */
 140        { 0x00F1, 0x00F1, 0x0000 }, /* R113 - ADC DAC COMP */
 141        { 0x00F8, 0x00F8, 0x0000 }, /* R114 - AI ADC Control */
 142        { 0x40FB, 0x40FB, 0x0000 }, /* R115 - AI DAC Control */
 143        { 0x7C30, 0x7C30, 0x0000 }, /* R116 - AIF Test */
 144        { 0x0000, 0x0000, 0x0000 }, /* R117 */
 145        { 0x0000, 0x0000, 0x0000 }, /* R118 */
 146        { 0x0000, 0x0000, 0x0000 }, /* R119 */
 147        { 0x0000, 0x0000, 0x0000 }, /* R120 */
 148        { 0x0000, 0x0000, 0x0000 }, /* R121 */
 149        { 0x0000, 0x0000, 0x0000 }, /* R122 */
 150        { 0x0000, 0x0000, 0x0000 }, /* R123 */
 151        { 0x0000, 0x0000, 0x0000 }, /* R124 */
 152        { 0x0000, 0x0000, 0x0000 }, /* R125 */
 153        { 0x0000, 0x0000, 0x0000 }, /* R126 */
 154        { 0x0000, 0x0000, 0x0000 }, /* R127 */
 155        { 0x1FFF, 0x1FFF, 0x0000 }, /* R128 - GPIO Debounce */
 156        { 0x1FFF, 0x1FFF, 0x0000 }, /* R129 - GPIO Pin pull up Control */
 157        { 0x1FFF, 0x1FFF, 0x0000 }, /* R130 - GPIO Pull down Control */
 158        { 0x1FFF, 0x1FFF, 0x0000 }, /* R131 - GPIO Interrupt Mode */
 159        { 0x0000, 0x0000, 0x0000 }, /* R132 */
 160        { 0x00C0, 0x00C0, 0x0000 }, /* R133 - GPIO Control */
 161        { 0x1FFF, 0x1FFF, 0x0000 }, /* R134 - GPIO Configuration (i/o) */
 162        { 0x1FFF, 0x1FFF, 0x0000 }, /* R135 - GPIO Pin Polarity / Type */
 163        { 0x0000, 0x0000, 0x0000 }, /* R136 */
 164        { 0x0000, 0x0000, 0x0000 }, /* R137 */
 165        { 0x0000, 0x0000, 0x0000 }, /* R138 */
 166        { 0x0000, 0x0000, 0x0000 }, /* R139 */
 167        { 0xFFFF, 0xFFFF, 0x0000 }, /* R140 - GPIO Function Select 1 */
 168        { 0xFFFF, 0xFFFF, 0x0000 }, /* R141 - GPIO Function Select 2 */
 169        { 0xFFFF, 0xFFFF, 0x0000 }, /* R142 - GPIO Function Select 3 */
 170        { 0x000F, 0x000F, 0x0000 }, /* R143 - GPIO Function Select 4 */
 171        { 0xF0FF, 0xF0FF, 0xA000 }, /* R144 - Digitiser Control (1) */
 172        { 0x3707, 0x3707, 0x0000 }, /* R145 - Digitiser Control (2) */
 173        { 0x0000, 0x0000, 0x0000 }, /* R146 */
 174        { 0x0000, 0x0000, 0x0000 }, /* R147 */
 175        { 0x0000, 0x0000, 0x0000 }, /* R148 */
 176        { 0x0000, 0x0000, 0x0000 }, /* R149 */
 177        { 0x0000, 0x0000, 0x0000 }, /* R150 */
 178        { 0x0000, 0x0000, 0x0000 }, /* R151 */
 179        { 0x7FFF, 0x7000, 0xFFFF }, /* R152 - AUX1 Readback */
 180        { 0x7FFF, 0x7000, 0xFFFF }, /* R153 - AUX2 Readback */
 181        { 0x7FFF, 0x7000, 0xFFFF }, /* R154 - AUX3 Readback */
 182        { 0x7FFF, 0x7000, 0xFFFF }, /* R155 - AUX4 Readback */
 183        { 0x0FFF, 0x0000, 0xFFFF }, /* R156 - USB Voltage Readback */
 184        { 0x0FFF, 0x0000, 0xFFFF }, /* R157 - LINE Voltage Readback */
 185        { 0x0FFF, 0x0000, 0xFFFF }, /* R158 - BATT Voltage Readback */
 186        { 0x0FFF, 0x0000, 0xFFFF }, /* R159 - Chip Temp Readback */
 187        { 0x0000, 0x0000, 0x0000 }, /* R160 */
 188        { 0x0000, 0x0000, 0x0000 }, /* R161 */
 189        { 0x0000, 0x0000, 0x0000 }, /* R162 */
 190        { 0x000F, 0x000F, 0x0000 }, /* R163 - Generic Comparator Control */
 191        { 0xFFFF, 0xFFFF, 0x0000 }, /* R164 - Generic comparator 1 */
 192        { 0xFFFF, 0xFFFF, 0x0000 }, /* R165 - Generic comparator 2 */
 193        { 0xFFFF, 0xFFFF, 0x0000 }, /* R166 - Generic comparator 3 */
 194        { 0xFFFF, 0xFFFF, 0x0000 }, /* R167 - Generic comparator 4 */
 195        { 0xBFFF, 0xBFFF, 0x8000 }, /* R168 - Battery Charger Control 1 */
 196        { 0xFFFF, 0x4FFF, 0xB000 }, /* R169 - Battery Charger Control 2 */
 197        { 0x007F, 0x007F, 0x0000 }, /* R170 - Battery Charger Control 3 */
 198        { 0x0000, 0x0000, 0x0000 }, /* R171 */
 199        { 0x903F, 0x903F, 0xFFFF }, /* R172 - Current Sink Driver A */
 200        { 0xE333, 0xE333, 0xFFFF }, /* R173 - CSA Flash control */
 201        { 0x903F, 0x903F, 0xFFFF }, /* R174 - Current Sink Driver B */
 202        { 0xE333, 0xE333, 0xFFFF }, /* R175 - CSB Flash control */
 203        { 0x8F3F, 0x8F3F, 0xFFFF }, /* R176 - DCDC/LDO requested */
 204        { 0x332D, 0x332D, 0x0000 }, /* R177 - DCDC Active options */
 205        { 0x002D, 0x002D, 0x0000 }, /* R178 - DCDC Sleep options */
 206        { 0x5177, 0x5177, 0x8000 }, /* R179 - Power-check comparator */
 207        { 0x047F, 0x047F, 0x0000 }, /* R180 - DCDC1 Control */
 208        { 0xFFC0, 0xFFC0, 0x0000 }, /* R181 - DCDC1 Timeouts */
 209        { 0x737F, 0x737F, 0x0000 }, /* R182 - DCDC1 Low Power */
 210        { 0x535B, 0x535B, 0x0000 }, /* R183 - DCDC2 Control */
 211        { 0xFFC0, 0xFFC0, 0x0000 }, /* R184 - DCDC2 Timeouts */
 212        { 0x0000, 0x0000, 0x0000 }, /* R185 */
 213        { 0x047F, 0x047F, 0x0000 }, /* R186 - DCDC3 Control */
 214        { 0xFFC0, 0xFFC0, 0x0000 }, /* R187 - DCDC3 Timeouts */
 215        { 0x737F, 0x737F, 0x0000 }, /* R188 - DCDC3 Low Power */
 216        { 0x047F, 0x047F, 0x0000 }, /* R189 - DCDC4 Control */
 217        { 0xFFC0, 0xFFC0, 0x0000 }, /* R190 - DCDC4 Timeouts */
 218        { 0x737F, 0x737F, 0x0000 }, /* R191 - DCDC4 Low Power */
 219        { 0x535B, 0x535B, 0x0000 }, /* R192 - DCDC5 Control */
 220        { 0xFFC0, 0xFFC0, 0x0000 }, /* R193 - DCDC5 Timeouts */
 221        { 0x0000, 0x0000, 0x0000 }, /* R194 */
 222        { 0x047F, 0x047F, 0x0000 }, /* R195 - DCDC6 Control */
 223        { 0xFFC0, 0xFFC0, 0x0000 }, /* R196 - DCDC6 Timeouts */
 224        { 0x737F, 0x737F, 0x0000 }, /* R197 - DCDC6 Low Power */
 225        { 0x0000, 0x0000, 0x0000 }, /* R198 */
 226        { 0xFFD3, 0xFFD3, 0x0000 }, /* R199 - Limit Switch Control */
 227        { 0x441F, 0x441F, 0x0000 }, /* R200 - LDO1 Control */
 228        { 0xFFC0, 0xFFC0, 0x0000 }, /* R201 - LDO1 Timeouts */
 229        { 0x331F, 0x331F, 0x0000 }, /* R202 - LDO1 Low Power */
 230        { 0x441F, 0x441F, 0x0000 }, /* R203 - LDO2 Control */
 231        { 0xFFC0, 0xFFC0, 0x0000 }, /* R204 - LDO2 Timeouts */
 232        { 0x331F, 0x331F, 0x0000 }, /* R205 - LDO2 Low Power */
 233        { 0x441F, 0x441F, 0x0000 }, /* R206 - LDO3 Control */
 234        { 0xFFC0, 0xFFC0, 0x0000 }, /* R207 - LDO3 Timeouts */
 235        { 0x331F, 0x331F, 0x0000 }, /* R208 - LDO3 Low Power */
 236        { 0x441F, 0x441F, 0x0000 }, /* R209 - LDO4 Control */
 237        { 0xFFC0, 0xFFC0, 0x0000 }, /* R210 - LDO4 Timeouts */
 238        { 0x331F, 0x331F, 0x0000 }, /* R211 - LDO4 Low Power */
 239        { 0x0000, 0x0000, 0x0000 }, /* R212 */
 240        { 0x0000, 0x0000, 0x0000 }, /* R213 */
 241        { 0x0000, 0x0000, 0x0000 }, /* R214 */
 242        { 0x8F3F, 0x8F3F, 0x0000 }, /* R215 - VCC_FAULT Masks */
 243        { 0xFF3F, 0xE03F, 0x0000 }, /* R216 - Main Bandgap Control */
 244        { 0xEF2F, 0xE02F, 0x0000 }, /* R217 - OSC Control */
 245        { 0xF3FF, 0xB3FF, 0xc000 }, /* R218 - RTC Tick Control */
 246        { 0xFFFF, 0xFFFF, 0x0000 }, /* R219 - Security */
 247        { 0x09FF, 0x01FF, 0x0000 }, /* R220 - RAM BIST 1 */
 248        { 0x0000, 0x0000, 0x0000 }, /* R221 */
 249        { 0xFFFF, 0xFFFF, 0xFFFF }, /* R222 */
 250        { 0xFFFF, 0xFFFF, 0xFFFF }, /* R223 */
 251        { 0x0000, 0x0000, 0x0000 }, /* R224 */
 252        { 0x8F3F, 0x0000, 0xFFFF }, /* R225 - DCDC/LDO status */
 253        { 0x0000, 0x0000, 0xFFFF }, /* R226 - Charger status */
 254        { 0x34FE, 0x0000, 0xFFFF }, /* R227 */
 255        { 0x0000, 0x0000, 0x0000 }, /* R228 */
 256        { 0x0000, 0x0000, 0x0000 }, /* R229 */
 257        { 0xFFFF, 0x1FFF, 0xFFFF }, /* R230 - GPIO Pin Status */
 258        { 0xFFFF, 0x1FFF, 0xFFFF }, /* R231 */
 259        { 0xFFFF, 0x1FFF, 0xFFFF }, /* R232 */
 260        { 0xFFFF, 0x1FFF, 0xFFFF }, /* R233 */
 261        { 0x0000, 0x0000, 0x0000 }, /* R234 */
 262        { 0x0000, 0x0000, 0x0000 }, /* R235 */
 263        { 0x0000, 0x0000, 0x0000 }, /* R236 */
 264        { 0x0000, 0x0000, 0x0000 }, /* R237 */
 265        { 0x0000, 0x0000, 0x0000 }, /* R238 */
 266        { 0x0000, 0x0000, 0x0000 }, /* R239 */
 267        { 0x0000, 0x0000, 0x0000 }, /* R240 */
 268        { 0x0000, 0x0000, 0x0000 }, /* R241 */
 269        { 0x0000, 0x0000, 0x0000 }, /* R242 */
 270        { 0x0000, 0x0000, 0x0000 }, /* R243 */
 271        { 0x0000, 0x0000, 0x0000 }, /* R244 */
 272        { 0x0000, 0x0000, 0x0000 }, /* R245 */
 273        { 0x0000, 0x0000, 0x0000 }, /* R246 */
 274        { 0x0000, 0x0000, 0x0000 }, /* R247 */
 275        { 0xFFFF, 0x0010, 0xFFFF }, /* R248 */
 276        { 0x0000, 0x0000, 0x0000 }, /* R249 */
 277        { 0xFFFF, 0x0010, 0xFFFF }, /* R250 */
 278        { 0xFFFF, 0x0010, 0xFFFF }, /* R251 */
 279        { 0x0000, 0x0000, 0x0000 }, /* R252 */
 280        { 0xFFFF, 0x0010, 0xFFFF }, /* R253 */
 281        { 0x0000, 0x0000, 0x0000 }, /* R254 */
 282        { 0x0000, 0x0000, 0x0000 }, /* R255 */
 283};
 284
 285static bool wm8350_readable(struct device *dev, unsigned int reg)
 286{
 287        return wm8350_reg_io_map[reg].readable;
 288}
 289
 290static bool wm8350_writeable(struct device *dev, unsigned int reg)
 291{
 292        struct wm8350 *wm8350 = dev_get_drvdata(dev);
 293
 294        if (!wm8350->unlocked) {
 295                if ((reg >= WM8350_GPIO_FUNCTION_SELECT_1 &&
 296                     reg <= WM8350_GPIO_FUNCTION_SELECT_4) ||
 297                    (reg >= WM8350_BATTERY_CHARGER_CONTROL_1 &&
 298                     reg <= WM8350_BATTERY_CHARGER_CONTROL_3))
 299                        return false;
 300        }
 301
 302        return wm8350_reg_io_map[reg].writable;
 303}
 304
 305static bool wm8350_volatile(struct device *dev, unsigned int reg)
 306{
 307        return wm8350_reg_io_map[reg].vol;
 308}
 309
 310static bool wm8350_precious(struct device *dev, unsigned int reg)
 311{
 312        switch (reg) {
 313        case WM8350_SYSTEM_INTERRUPTS:
 314        case WM8350_INT_STATUS_1:
 315        case WM8350_INT_STATUS_2:
 316        case WM8350_POWER_UP_INT_STATUS:
 317        case WM8350_UNDER_VOLTAGE_INT_STATUS:
 318        case WM8350_OVER_CURRENT_INT_STATUS:
 319        case WM8350_GPIO_INT_STATUS:
 320        case WM8350_COMPARATOR_INT_STATUS:
 321                return true;
 322
 323        default:
 324                return false;
 325        }
 326}
 327
 328const struct regmap_config wm8350_regmap = {
 329        .reg_bits = 8,
 330        .val_bits = 16,
 331
 332        .cache_type = REGCACHE_RBTREE,
 333
 334        .max_register = WM8350_MAX_REGISTER,
 335        .readable_reg = wm8350_readable,
 336        .writeable_reg = wm8350_writeable,
 337        .volatile_reg = wm8350_volatile,
 338        .precious_reg = wm8350_precious,
 339};
 340
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