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linux/drivers/mfd/wm8350-regmap.c
Bo Liu 9261cd0473 mfd: wolfson: Convert to use maple tree register cache 
The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.

Signed-off-by: Bo Liu <liubo03@inspur.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20240206071314.8721-11-liubo03@inspur.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-02-23 14:58:04 +00:00

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* wm8350-regmap.c -- Wolfson Microelectronics WM8350 register map
*
* This file splits out the tables describing the defaults and access
* status of the WM8350 registers since they are rather large.
*
* Copyright 2007, 2008 Wolfson Microelectronics PLC.
*/
#include <linux/mfd/wm8350/core.h>
/*
* Access masks.
*/
static const struct wm8350_reg_access {
u16 readable; /* Mask of readable bits */
u16 writable; /* Mask of writable bits */
u16 vol; /* Mask of volatile bits */
} wm8350_reg_io_map[] = {
/* read write volatile */
{ 0xFFFF, 0xFFFF, 0x0000 }, /* R0 - Reset/ID */
{ 0x7CFF, 0x0C00, 0x0000 }, /* R1 - ID */
{ 0x007F, 0x0000, 0x0000 }, /* R2 - ROM Mask ID */
{ 0xBE3B, 0xBE3B, 0x8000 }, /* R3 - System Control 1 */
{ 0xFEF7, 0xFEF7, 0xF800 }, /* R4 - System Control 2 */
{ 0x80FF, 0x80FF, 0x8000 }, /* R5 - System Hibernate */
{ 0xFB0E, 0xFB0E, 0x0000 }, /* R6 - Interface Control */
{ 0x0000, 0x0000, 0x0000 }, /* R7 */
{ 0xE537, 0xE537, 0xFFFF }, /* R8 - Power mgmt (1) */
{ 0x0FF3, 0x0FF3, 0xFFFF }, /* R9 - Power mgmt (2) */
{ 0x008F, 0x008F, 0xFFFF }, /* R10 - Power mgmt (3) */
{ 0x6D3C, 0x6D3C, 0xFFFF }, /* R11 - Power mgmt (4) */
{ 0x1F8F, 0x1F8F, 0xFFFF }, /* R12 - Power mgmt (5) */
{ 0x8F3F, 0x8F3F, 0xFFFF }, /* R13 - Power mgmt (6) */
{ 0x0003, 0x0003, 0xFFFF }, /* R14 - Power mgmt (7) */
{ 0x0000, 0x0000, 0x0000 }, /* R15 */
{ 0x7F7F, 0x7F7F, 0xFFFF }, /* R16 - RTC Seconds/Minutes */
{ 0x073F, 0x073F, 0xFFFF }, /* R17 - RTC Hours/Day */
{ 0x1F3F, 0x1F3F, 0xFFFF }, /* R18 - RTC Date/Month */
{ 0x3FFF, 0x00FF, 0xFFFF }, /* R19 - RTC Year */
{ 0x7F7F, 0x7F7F, 0x0000 }, /* R20 - Alarm Seconds/Minutes */
{ 0x0F3F, 0x0F3F, 0x0000 }, /* R21 - Alarm Hours/Day */
{ 0x1F3F, 0x1F3F, 0x0000 }, /* R22 - Alarm Date/Month */
{ 0xEF7F, 0xEA7F, 0xFFFF }, /* R23 - RTC Time Control */
{ 0x3BFF, 0x0000, 0xFFFF }, /* R24 - System Interrupts */
{ 0xFEE7, 0x0000, 0xFFFF }, /* R25 - Interrupt Status 1 */
{ 0x35FF, 0x0000, 0xFFFF }, /* R26 - Interrupt Status 2 */
{ 0x0F3F, 0x0000, 0xFFFF }, /* R27 - Power Up Interrupt Status */
{ 0x0F3F, 0x0000, 0xFFFF }, /* R28 - Under Voltage Interrupt status */
{ 0x8000, 0x0000, 0xFFFF }, /* R29 - Over Current Interrupt status */
{ 0x1FFF, 0x0000, 0xFFFF }, /* R30 - GPIO Interrupt Status */
{ 0xEF7F, 0x0000, 0xFFFF }, /* R31 - Comparator Interrupt Status */
{ 0x3FFF, 0x3FFF, 0x0000 }, /* R32 - System Interrupts Mask */
{ 0xFEE7, 0xFEE7, 0x0000 }, /* R33 - Interrupt Status 1 Mask */
{ 0xF5FF, 0xF5FF, 0x0000 }, /* R34 - Interrupt Status 2 Mask */
{ 0x0F3F, 0x0F3F, 0x0000 }, /* R35 - Power Up Interrupt Status Mask */
{ 0x0F3F, 0x0F3F, 0x0000 }, /* R36 - Under Voltage Int status Mask */
{ 0x8000, 0x8000, 0x0000 }, /* R37 - Over Current Int status Mask */
{ 0x1FFF, 0x1FFF, 0x0000 }, /* R38 - GPIO Interrupt Status Mask */
{ 0xEF7F, 0xEF7F, 0x0000 }, /* R39 - Comparator IntStatus Mask */
{ 0xC9F7, 0xC9F7, 0xFFFF }, /* R40 - Clock Control 1 */
{ 0x8001, 0x8001, 0x0000 }, /* R41 - Clock Control 2 */
{ 0xFFF7, 0xFFF7, 0xFFFF }, /* R42 - FLL Control 1 */
{ 0xFBFF, 0xFBFF, 0x0000 }, /* R43 - FLL Control 2 */
{ 0xFFFF, 0xFFFF, 0x0000 }, /* R44 - FLL Control 3 */
{ 0x0033, 0x0033, 0x0000 }, /* R45 - FLL Control 4 */
{ 0x0000, 0x0000, 0x0000 }, /* R46 */
{ 0x0000, 0x0000, 0x0000 }, /* R47 */
{ 0x3033, 0x3033, 0x0000 }, /* R48 - DAC Control */
{ 0x0000, 0x0000, 0x0000 }, /* R49 */
{ 0x81FF, 0x81FF, 0xFFFF }, /* R50 - DAC Digital Volume L */
{ 0x81FF, 0x81FF, 0xFFFF }, /* R51 - DAC Digital Volume R */
{ 0x0000, 0x0000, 0x0000 }, /* R52 */
{ 0x0FFF, 0x0FFF, 0xFFFF }, /* R53 - DAC LR Rate */
{ 0x0017, 0x0017, 0x0000 }, /* R54 - DAC Clock Control */
{ 0x0000, 0x0000, 0x0000 }, /* R55 */
{ 0x0000, 0x0000, 0x0000 }, /* R56 */
{ 0x0000, 0x0000, 0x0000 }, /* R57 */
{ 0x4000, 0x4000, 0x0000 }, /* R58 - DAC Mute */
{ 0x7000, 0x7000, 0x0000 }, /* R59 - DAC Mute Volume */
{ 0x3C00, 0x3C00, 0x0000 }, /* R60 - DAC Side */
{ 0x0000, 0x0000, 0x0000 }, /* R61 */
{ 0x0000, 0x0000, 0x0000 }, /* R62 */
{ 0x0000, 0x0000, 0x0000 }, /* R63 */
{ 0x8303, 0x8303, 0xFFFF }, /* R64 - ADC Control */
{ 0x0000, 0x0000, 0x0000 }, /* R65 */
{ 0x81FF, 0x81FF, 0xFFFF }, /* R66 - ADC Digital Volume L */
{ 0x81FF, 0x81FF, 0xFFFF }, /* R67 - ADC Digital Volume R */
{ 0x0FFF, 0x0FFF, 0x0000 }, /* R68 - ADC Divider */
{ 0x0000, 0x0000, 0x0000 }, /* R69 */
{ 0x0FFF, 0x0FFF, 0xFFFF }, /* R70 - ADC LR Rate */
{ 0x0000, 0x0000, 0x0000 }, /* R71 */
{ 0x0707, 0x0707, 0xFFFF }, /* R72 - Input Control */
{ 0xC0C0, 0xC0C0, 0xFFFF }, /* R73 - IN3 Input Control */
{ 0xC09F, 0xC09F, 0xFFFF }, /* R74 - Mic Bias Control */
{ 0x0000, 0x0000, 0x0000 }, /* R75 */
{ 0x0F15, 0x0F15, 0xFFFF }, /* R76 - Output Control */
{ 0xC000, 0xC000, 0xFFFF }, /* R77 - Jack Detect */
{ 0x03FF, 0x03FF, 0x0000 }, /* R78 - Anti Pop Control */
{ 0x0000, 0x0000, 0x0000 }, /* R79 */
{ 0xE1FC, 0xE1FC, 0x8000 }, /* R80 - Left Input Volume */
{ 0xE1FC, 0xE1FC, 0x8000 }, /* R81 - Right Input Volume */
{ 0x0000, 0x0000, 0x0000 }, /* R82 */
{ 0x0000, 0x0000, 0x0000 }, /* R83 */
{ 0x0000, 0x0000, 0x0000 }, /* R84 */
{ 0x0000, 0x0000, 0x0000 }, /* R85 */
{ 0x0000, 0x0000, 0x0000 }, /* R86 */
{ 0x0000, 0x0000, 0x0000 }, /* R87 */
{ 0x9807, 0x9807, 0xFFFF }, /* R88 - Left Mixer Control */
{ 0x980B, 0x980B, 0xFFFF }, /* R89 - Right Mixer Control */
{ 0x0000, 0x0000, 0x0000 }, /* R90 */
{ 0x0000, 0x0000, 0x0000 }, /* R91 */
{ 0x8909, 0x8909, 0xFFFF }, /* R92 - OUT3 Mixer Control */
{ 0x9E07, 0x9E07, 0xFFFF }, /* R93 - OUT4 Mixer Control */
{ 0x0000, 0x0000, 0x0000 }, /* R94 */
{ 0x0000, 0x0000, 0x0000 }, /* R95 */
{ 0x0EEE, 0x0EEE, 0x0000 }, /* R96 - Output Left Mixer Volume */
{ 0xE0EE, 0xE0EE, 0x0000 }, /* R97 - Output Right Mixer Volume */
{ 0x0E0F, 0x0E0F, 0x0000 }, /* R98 - Input Mixer Volume L */
{ 0xE0E1, 0xE0E1, 0x0000 }, /* R99 - Input Mixer Volume R */
{ 0x800E, 0x800E, 0x0000 }, /* R100 - Input Mixer Volume */
{ 0x0000, 0x0000, 0x0000 }, /* R101 */
{ 0x0000, 0x0000, 0x0000 }, /* R102 */
{ 0x0000, 0x0000, 0x0000 }, /* R103 */
{ 0xE1FC, 0xE1FC, 0xFFFF }, /* R104 - LOUT1 Volume */
{ 0xE1FC, 0xE1FC, 0xFFFF }, /* R105 - ROUT1 Volume */
{ 0xE1FC, 0xE1FC, 0xFFFF }, /* R106 - LOUT2 Volume */
{ 0xE7FC, 0xE7FC, 0xFFFF }, /* R107 - ROUT2 Volume */
{ 0x0000, 0x0000, 0x0000 }, /* R108 */
{ 0x0000, 0x0000, 0x0000 }, /* R109 */
{ 0x0000, 0x0000, 0x0000 }, /* R110 */
{ 0x80E0, 0x80E0, 0xFFFF }, /* R111 - BEEP Volume */
{ 0xBF00, 0xBF00, 0x0000 }, /* R112 - AI Formating */
{ 0x00F1, 0x00F1, 0x0000 }, /* R113 - ADC DAC COMP */
{ 0x00F8, 0x00F8, 0x0000 }, /* R114 - AI ADC Control */
{ 0x40FB, 0x40FB, 0x0000 }, /* R115 - AI DAC Control */
{ 0x7C30, 0x7C30, 0x0000 }, /* R116 - AIF Test */
{ 0x0000, 0x0000, 0x0000 }, /* R117 */
{ 0x0000, 0x0000, 0x0000 }, /* R118 */
{ 0x0000, 0x0000, 0x0000 }, /* R119 */
{ 0x0000, 0x0000, 0x0000 }, /* R120 */
{ 0x0000, 0x0000, 0x0000 }, /* R121 */
{ 0x0000, 0x0000, 0x0000 }, /* R122 */
{ 0x0000, 0x0000, 0x0000 }, /* R123 */
{ 0x0000, 0x0000, 0x0000 }, /* R124 */
{ 0x0000, 0x0000, 0x0000 }, /* R125 */
{ 0x0000, 0x0000, 0x0000 }, /* R126 */
{ 0x0000, 0x0000, 0x0000 }, /* R127 */
{ 0x1FFF, 0x1FFF, 0x0000 }, /* R128 - GPIO Debounce */
{ 0x1FFF, 0x1FFF, 0x0000 }, /* R129 - GPIO Pin pull up Control */
{ 0x1FFF, 0x1FFF, 0x0000 }, /* R130 - GPIO Pull down Control */
{ 0x1FFF, 0x1FFF, 0x0000 }, /* R131 - GPIO Interrupt Mode */
{ 0x0000, 0x0000, 0x0000 }, /* R132 */
{ 0x00C0, 0x00C0, 0x0000 }, /* R133 - GPIO Control */
{ 0x1FFF, 0x1FFF, 0x0000 }, /* R134 - GPIO Configuration (i/o) */
{ 0x1FFF, 0x1FFF, 0x0000 }, /* R135 - GPIO Pin Polarity / Type */
{ 0x0000, 0x0000, 0x0000 }, /* R136 */
{ 0x0000, 0x0000, 0x0000 }, /* R137 */
{ 0x0000, 0x0000, 0x0000 }, /* R138 */
{ 0x0000, 0x0000, 0x0000 }, /* R139 */
{ 0xFFFF, 0xFFFF, 0x0000 }, /* R140 - GPIO Function Select 1 */
{ 0xFFFF, 0xFFFF, 0x0000 }, /* R141 - GPIO Function Select 2 */
{ 0xFFFF, 0xFFFF, 0x0000 }, /* R142 - GPIO Function Select 3 */
{ 0x000F, 0x000F, 0x0000 }, /* R143 - GPIO Function Select 4 */
{ 0xF0FF, 0xF0FF, 0xA000 }, /* R144 - Digitiser Control (1) */
{ 0x3707, 0x3707, 0x0000 }, /* R145 - Digitiser Control (2) */
{ 0x0000, 0x0000, 0x0000 }, /* R146 */
{ 0x0000, 0x0000, 0x0000 }, /* R147 */
{ 0x0000, 0x0000, 0x0000 }, /* R148 */
{ 0x0000, 0x0000, 0x0000 }, /* R149 */
{ 0x0000, 0x0000, 0x0000 }, /* R150 */
{ 0x0000, 0x0000, 0x0000 }, /* R151 */
{ 0x7FFF, 0x7000, 0xFFFF }, /* R152 - AUX1 Readback */
{ 0x7FFF, 0x7000, 0xFFFF }, /* R153 - AUX2 Readback */
{ 0x7FFF, 0x7000, 0xFFFF }, /* R154 - AUX3 Readback */
{ 0x7FFF, 0x7000, 0xFFFF }, /* R155 - AUX4 Readback */
{ 0x0FFF, 0x0000, 0xFFFF }, /* R156 - USB Voltage Readback */
{ 0x0FFF, 0x0000, 0xFFFF }, /* R157 - LINE Voltage Readback */
{ 0x0FFF, 0x0000, 0xFFFF }, /* R158 - BATT Voltage Readback */
{ 0x0FFF, 0x0000, 0xFFFF }, /* R159 - Chip Temp Readback */
{ 0x0000, 0x0000, 0x0000 }, /* R160 */
{ 0x0000, 0x0000, 0x0000 }, /* R161 */
{ 0x0000, 0x0000, 0x0000 }, /* R162 */
{ 0x000F, 0x000F, 0x0000 }, /* R163 - Generic Comparator Control */
{ 0xFFFF, 0xFFFF, 0x0000 }, /* R164 - Generic comparator 1 */
{ 0xFFFF, 0xFFFF, 0x0000 }, /* R165 - Generic comparator 2 */
{ 0xFFFF, 0xFFFF, 0x0000 }, /* R166 - Generic comparator 3 */
{ 0xFFFF, 0xFFFF, 0x0000 }, /* R167 - Generic comparator 4 */
{ 0xBFFF, 0xBFFF, 0x8000 }, /* R168 - Battery Charger Control 1 */
{ 0xFFFF, 0x4FFF, 0xB000 }, /* R169 - Battery Charger Control 2 */
{ 0x007F, 0x007F, 0x0000 }, /* R170 - Battery Charger Control 3 */
{ 0x0000, 0x0000, 0x0000 }, /* R171 */
{ 0x903F, 0x903F, 0xFFFF }, /* R172 - Current Sink Driver A */
{ 0xE333, 0xE333, 0xFFFF }, /* R173 - CSA Flash control */
{ 0x903F, 0x903F, 0xFFFF }, /* R174 - Current Sink Driver B */
{ 0xE333, 0xE333, 0xFFFF }, /* R175 - CSB Flash control */
{ 0x8F3F, 0x8F3F, 0xFFFF }, /* R176 - DCDC/LDO requested */
{ 0x332D, 0x332D, 0x0000 }, /* R177 - DCDC Active options */
{ 0x002D, 0x002D, 0x0000 }, /* R178 - DCDC Sleep options */
{ 0x5177, 0x5177, 0x8000 }, /* R179 - Power-check comparator */
{ 0x047F, 0x047F, 0x0000 }, /* R180 - DCDC1 Control */
{ 0xFFC0, 0xFFC0, 0x0000 }, /* R181 - DCDC1 Timeouts */
{ 0x737F, 0x737F, 0x0000 }, /* R182 - DCDC1 Low Power */
{ 0x535B, 0x535B, 0x0000 }, /* R183 - DCDC2 Control */
{ 0xFFC0, 0xFFC0, 0x0000 }, /* R184 - DCDC2 Timeouts */
{ 0x0000, 0x0000, 0x0000 }, /* R185 */
{ 0x047F, 0x047F, 0x0000 }, /* R186 - DCDC3 Control */
{ 0xFFC0, 0xFFC0, 0x0000 }, /* R187 - DCDC3 Timeouts */
{ 0x737F, 0x737F, 0x0000 }, /* R188 - DCDC3 Low Power */
{ 0x047F, 0x047F, 0x0000 }, /* R189 - DCDC4 Control */
{ 0xFFC0, 0xFFC0, 0x0000 }, /* R190 - DCDC4 Timeouts */
{ 0x737F, 0x737F, 0x0000 }, /* R191 - DCDC4 Low Power */
{ 0x535B, 0x535B, 0x0000 }, /* R192 - DCDC5 Control */
{ 0xFFC0, 0xFFC0, 0x0000 }, /* R193 - DCDC5 Timeouts */
{ 0x0000, 0x0000, 0x0000 }, /* R194 */
{ 0x047F, 0x047F, 0x0000 }, /* R195 - DCDC6 Control */
{ 0xFFC0, 0xFFC0, 0x0000 }, /* R196 - DCDC6 Timeouts */
{ 0x737F, 0x737F, 0x0000 }, /* R197 - DCDC6 Low Power */
{ 0x0000, 0x0000, 0x0000 }, /* R198 */
{ 0xFFD3, 0xFFD3, 0x0000 }, /* R199 - Limit Switch Control */
{ 0x441F, 0x441F, 0x0000 }, /* R200 - LDO1 Control */
{ 0xFFC0, 0xFFC0, 0x0000 }, /* R201 - LDO1 Timeouts */
{ 0x331F, 0x331F, 0x0000 }, /* R202 - LDO1 Low Power */
{ 0x441F, 0x441F, 0x0000 }, /* R203 - LDO2 Control */
{ 0xFFC0, 0xFFC0, 0x0000 }, /* R204 - LDO2 Timeouts */
{ 0x331F, 0x331F, 0x0000 }, /* R205 - LDO2 Low Power */
{ 0x441F, 0x441F, 0x0000 }, /* R206 - LDO3 Control */
{ 0xFFC0, 0xFFC0, 0x0000 }, /* R207 - LDO3 Timeouts */
{ 0x331F, 0x331F, 0x0000 }, /* R208 - LDO3 Low Power */
{ 0x441F, 0x441F, 0x0000 }, /* R209 - LDO4 Control */
{ 0xFFC0, 0xFFC0, 0x0000 }, /* R210 - LDO4 Timeouts */
{ 0x331F, 0x331F, 0x0000 }, /* R211 - LDO4 Low Power */
{ 0x0000, 0x0000, 0x0000 }, /* R212 */
{ 0x0000, 0x0000, 0x0000 }, /* R213 */
{ 0x0000, 0x0000, 0x0000 }, /* R214 */
{ 0x8F3F, 0x8F3F, 0x0000 }, /* R215 - VCC_FAULT Masks */
{ 0xFF3F, 0xE03F, 0x0000 }, /* R216 - Main Bandgap Control */
{ 0xEF2F, 0xE02F, 0x0000 }, /* R217 - OSC Control */
{ 0xF3FF, 0xB3FF, 0xc000 }, /* R218 - RTC Tick Control */
{ 0xFFFF, 0xFFFF, 0x0000 }, /* R219 - Security */
{ 0x09FF, 0x01FF, 0x0000 }, /* R220 - RAM BIST 1 */
{ 0x0000, 0x0000, 0x0000 }, /* R221 */
{ 0xFFFF, 0xFFFF, 0xFFFF }, /* R222 */
{ 0xFFFF, 0xFFFF, 0xFFFF }, /* R223 */
{ 0x0000, 0x0000, 0x0000 }, /* R224 */
{ 0x8F3F, 0x0000, 0xFFFF }, /* R225 - DCDC/LDO status */
{ 0x0000, 0x0000, 0xFFFF }, /* R226 - Charger status */
{ 0x34FE, 0x0000, 0xFFFF }, /* R227 */
{ 0x0000, 0x0000, 0x0000 }, /* R228 */
{ 0x0000, 0x0000, 0x0000 }, /* R229 */
{ 0xFFFF, 0x1FFF, 0xFFFF }, /* R230 - GPIO Pin Status */
{ 0xFFFF, 0x1FFF, 0xFFFF }, /* R231 */
{ 0xFFFF, 0x1FFF, 0xFFFF }, /* R232 */
{ 0xFFFF, 0x1FFF, 0xFFFF }, /* R233 */
{ 0x0000, 0x0000, 0x0000 }, /* R234 */
{ 0x0000, 0x0000, 0x0000 }, /* R235 */
{ 0x0000, 0x0000, 0x0000 }, /* R236 */
{ 0x0000, 0x0000, 0x0000 }, /* R237 */
{ 0x0000, 0x0000, 0x0000 }, /* R238 */
{ 0x0000, 0x0000, 0x0000 }, /* R239 */
{ 0x0000, 0x0000, 0x0000 }, /* R240 */
{ 0x0000, 0x0000, 0x0000 }, /* R241 */
{ 0x0000, 0x0000, 0x0000 }, /* R242 */
{ 0x0000, 0x0000, 0x0000 }, /* R243 */
{ 0x0000, 0x0000, 0x0000 }, /* R244 */
{ 0x0000, 0x0000, 0x0000 }, /* R245 */
{ 0x0000, 0x0000, 0x0000 }, /* R246 */
{ 0x0000, 0x0000, 0x0000 }, /* R247 */
{ 0xFFFF, 0x0010, 0xFFFF }, /* R248 */
{ 0x0000, 0x0000, 0x0000 }, /* R249 */
{ 0xFFFF, 0x0010, 0xFFFF }, /* R250 */
{ 0xFFFF, 0x0010, 0xFFFF }, /* R251 */
{ 0x0000, 0x0000, 0x0000 }, /* R252 */
{ 0xFFFF, 0x0010, 0xFFFF }, /* R253 */
{ 0x0000, 0x0000, 0x0000 }, /* R254 */
{ 0x0000, 0x0000, 0x0000 }, /* R255 */
};
static bool wm8350_readable(struct device *dev, unsigned int reg)
{
return wm8350_reg_io_map[reg].readable;
}
static bool wm8350_writeable(struct device *dev, unsigned int reg)
{
struct wm8350 *wm8350 = dev_get_drvdata(dev);
if (!wm8350->unlocked) {
if ((reg >= WM8350_GPIO_FUNCTION_SELECT_1 &&
reg <= WM8350_GPIO_FUNCTION_SELECT_4) ||
(reg >= WM8350_BATTERY_CHARGER_CONTROL_1 &&
reg <= WM8350_BATTERY_CHARGER_CONTROL_3))
return false;
}
return wm8350_reg_io_map[reg].writable;
}
static bool wm8350_volatile(struct device *dev, unsigned int reg)
{
return wm8350_reg_io_map[reg].vol;
}
static bool wm8350_precious(struct device *dev, unsigned int reg)
{
switch (reg) {
case WM8350_SYSTEM_INTERRUPTS:
case WM8350_INT_STATUS_1:
case WM8350_INT_STATUS_2:
case WM8350_POWER_UP_INT_STATUS:
case WM8350_UNDER_VOLTAGE_INT_STATUS:
case WM8350_OVER_CURRENT_INT_STATUS:
case WM8350_GPIO_INT_STATUS:
case WM8350_COMPARATOR_INT_STATUS:
return true;
default:
return false;
}
}
const struct regmap_config wm8350_regmap = {
.reg_bits = 8,
.val_bits = 16,
.cache_type = REGCACHE_MAPLE,
.max_register = WM8350_MAX_REGISTER,
.readable_reg = wm8350_readable,
.writeable_reg = wm8350_writeable,
.volatile_reg = wm8350_volatile,
.precious_reg = wm8350_precious,
};
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