| /* |
| * wm831x-core.c -- Device access for Wolfson WM831x PMICs |
| * |
| * Copyright 2009 Wolfson Microelectronics PLC. |
| * |
| * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| * |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/export.h> |
| #include <linux/bcd.h> |
| #include <linux/delay.h> |
| #include <linux/mfd/core.h> |
| #include <linux/slab.h> |
| #include <linux/err.h> |
| #include <linux/of.h> |
| #include <linux/of_device.h> |
| |
| #include <linux/mfd/wm831x/core.h> |
| #include <linux/mfd/wm831x/pdata.h> |
| #include <linux/mfd/wm831x/irq.h> |
| #include <linux/mfd/wm831x/auxadc.h> |
| #include <linux/mfd/wm831x/otp.h> |
| #include <linux/mfd/wm831x/pmu.h> |
| #include <linux/mfd/wm831x/regulator.h> |
| |
| /* Current settings - values are 2*2^(reg_val/4) microamps. These are |
| * exported since they are used by multiple drivers. |
| */ |
| const unsigned int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1] = { |
| 2, |
| 2, |
| 3, |
| 3, |
| 4, |
| 5, |
| 6, |
| 7, |
| 8, |
| 10, |
| 11, |
| 13, |
| 16, |
| 19, |
| 23, |
| 27, |
| 32, |
| 38, |
| 45, |
| 54, |
| 64, |
| 76, |
| 91, |
| 108, |
| 128, |
| 152, |
| 181, |
| 215, |
| 256, |
| 304, |
| 362, |
| 431, |
| 512, |
| 609, |
| 724, |
| 861, |
| 1024, |
| 1218, |
| 1448, |
| 1722, |
| 2048, |
| 2435, |
| 2896, |
| 3444, |
| 4096, |
| 4871, |
| 5793, |
| 6889, |
| 8192, |
| 9742, |
| 11585, |
| 13777, |
| 16384, |
| 19484, |
| 23170, |
| 27554, |
| }; |
| EXPORT_SYMBOL_GPL(wm831x_isinkv_values); |
| |
| static int wm831x_reg_locked(struct wm831x *wm831x, unsigned short reg) |
| { |
| if (!wm831x->locked) |
| return 0; |
| |
| switch (reg) { |
| case WM831X_WATCHDOG: |
| case WM831X_DC4_CONTROL: |
| case WM831X_ON_PIN_CONTROL: |
| case WM831X_BACKUP_CHARGER_CONTROL: |
| case WM831X_CHARGER_CONTROL_1: |
| case WM831X_CHARGER_CONTROL_2: |
| return 1; |
| |
| default: |
| return 0; |
| } |
| } |
| |
| /** |
| * wm831x_reg_unlock: Unlock user keyed registers |
| * |
| * The WM831x has a user key preventing writes to particularly |
| * critical registers. This function locks those registers, |
| * allowing writes to them. |
| */ |
| void wm831x_reg_lock(struct wm831x *wm831x) |
| { |
| int ret; |
| |
| ret = wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0); |
| if (ret == 0) { |
| dev_vdbg(wm831x->dev, "Registers locked\n"); |
| |
| mutex_lock(&wm831x->io_lock); |
| WARN_ON(wm831x->locked); |
| wm831x->locked = 1; |
| mutex_unlock(&wm831x->io_lock); |
| } else { |
| dev_err(wm831x->dev, "Failed to lock registers: %d\n", ret); |
| } |
| |
| } |
| EXPORT_SYMBOL_GPL(wm831x_reg_lock); |
| |
| /** |
| * wm831x_reg_unlock: Unlock user keyed registers |
| * |
| * The WM831x has a user key preventing writes to particularly |
| * critical registers. This function locks those registers, |
| * preventing spurious writes. |
| */ |
| int wm831x_reg_unlock(struct wm831x *wm831x) |
| { |
| int ret; |
| |
| /* 0x9716 is the value required to unlock the registers */ |
| ret = wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0x9716); |
| if (ret == 0) { |
| dev_vdbg(wm831x->dev, "Registers unlocked\n"); |
| |
| mutex_lock(&wm831x->io_lock); |
| WARN_ON(!wm831x->locked); |
| wm831x->locked = 0; |
| mutex_unlock(&wm831x->io_lock); |
| } |
| |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(wm831x_reg_unlock); |
| |
| static bool wm831x_reg_readable(struct device *dev, unsigned int reg) |
| { |
| switch (reg) { |
| case WM831X_RESET_ID: |
| case WM831X_REVISION: |
| case WM831X_PARENT_ID: |
| case WM831X_SYSVDD_CONTROL: |
| case WM831X_THERMAL_MONITORING: |
| case WM831X_POWER_STATE: |
| case WM831X_WATCHDOG: |
| case WM831X_ON_PIN_CONTROL: |
| case WM831X_RESET_CONTROL: |
| case WM831X_CONTROL_INTERFACE: |
| case WM831X_SECURITY_KEY: |
| case WM831X_SOFTWARE_SCRATCH: |
| case WM831X_OTP_CONTROL: |
| case WM831X_GPIO_LEVEL: |
| case WM831X_SYSTEM_STATUS: |
| case WM831X_ON_SOURCE: |
| case WM831X_OFF_SOURCE: |
| case WM831X_SYSTEM_INTERRUPTS: |
| case WM831X_INTERRUPT_STATUS_1: |
| case WM831X_INTERRUPT_STATUS_2: |
| case WM831X_INTERRUPT_STATUS_3: |
| case WM831X_INTERRUPT_STATUS_4: |
| case WM831X_INTERRUPT_STATUS_5: |
| case WM831X_IRQ_CONFIG: |
| case WM831X_SYSTEM_INTERRUPTS_MASK: |
| case WM831X_INTERRUPT_STATUS_1_MASK: |
| case WM831X_INTERRUPT_STATUS_2_MASK: |
| case WM831X_INTERRUPT_STATUS_3_MASK: |
| case WM831X_INTERRUPT_STATUS_4_MASK: |
| case WM831X_INTERRUPT_STATUS_5_MASK: |
| case WM831X_RTC_WRITE_COUNTER: |
| case WM831X_RTC_TIME_1: |
| case WM831X_RTC_TIME_2: |
| case WM831X_RTC_ALARM_1: |
| case WM831X_RTC_ALARM_2: |
| case WM831X_RTC_CONTROL: |
| case WM831X_RTC_TRIM: |
| case WM831X_TOUCH_CONTROL_1: |
| case WM831X_TOUCH_CONTROL_2: |
| case WM831X_TOUCH_DATA_X: |
| case WM831X_TOUCH_DATA_Y: |
| case WM831X_TOUCH_DATA_Z: |
| case WM831X_AUXADC_DATA: |
| case WM831X_AUXADC_CONTROL: |
| case WM831X_AUXADC_SOURCE: |
| case WM831X_COMPARATOR_CONTROL: |
| case WM831X_COMPARATOR_1: |
| case WM831X_COMPARATOR_2: |
| case WM831X_COMPARATOR_3: |
| case WM831X_COMPARATOR_4: |
| case WM831X_GPIO1_CONTROL: |
| case WM831X_GPIO2_CONTROL: |
| case WM831X_GPIO3_CONTROL: |
| case WM831X_GPIO4_CONTROL: |
| case WM831X_GPIO5_CONTROL: |
| case WM831X_GPIO6_CONTROL: |
| case WM831X_GPIO7_CONTROL: |
| case WM831X_GPIO8_CONTROL: |
| case WM831X_GPIO9_CONTROL: |
| case WM831X_GPIO10_CONTROL: |
| case WM831X_GPIO11_CONTROL: |
| case WM831X_GPIO12_CONTROL: |
| case WM831X_GPIO13_CONTROL: |
| case WM831X_GPIO14_CONTROL: |
| case WM831X_GPIO15_CONTROL: |
| case WM831X_GPIO16_CONTROL: |
| case WM831X_CHARGER_CONTROL_1: |
| case WM831X_CHARGER_CONTROL_2: |
| case WM831X_CHARGER_STATUS: |
| case WM831X_BACKUP_CHARGER_CONTROL: |
| case WM831X_STATUS_LED_1: |
| case WM831X_STATUS_LED_2: |
| case WM831X_CURRENT_SINK_1: |
| case WM831X_CURRENT_SINK_2: |
| case WM831X_DCDC_ENABLE: |
| case WM831X_LDO_ENABLE: |
| case WM831X_DCDC_STATUS: |
| case WM831X_LDO_STATUS: |
| case WM831X_DCDC_UV_STATUS: |
| case WM831X_LDO_UV_STATUS: |
| case WM831X_DC1_CONTROL_1: |
| case WM831X_DC1_CONTROL_2: |
| case WM831X_DC1_ON_CONFIG: |
| case WM831X_DC1_SLEEP_CONTROL: |
| case WM831X_DC1_DVS_CONTROL: |
| case WM831X_DC2_CONTROL_1: |
| case WM831X_DC2_CONTROL_2: |
| case WM831X_DC2_ON_CONFIG: |
| case WM831X_DC2_SLEEP_CONTROL: |
| case WM831X_DC2_DVS_CONTROL: |
| case WM831X_DC3_CONTROL_1: |
| case WM831X_DC3_CONTROL_2: |
| case WM831X_DC3_ON_CONFIG: |
| case WM831X_DC3_SLEEP_CONTROL: |
| case WM831X_DC4_CONTROL: |
| case WM831X_DC4_SLEEP_CONTROL: |
| case WM831X_EPE1_CONTROL: |
| case WM831X_EPE2_CONTROL: |
| case WM831X_LDO1_CONTROL: |
| case WM831X_LDO1_ON_CONTROL: |
| case WM831X_LDO1_SLEEP_CONTROL: |
| case WM831X_LDO2_CONTROL: |
| case WM831X_LDO2_ON_CONTROL: |
| case WM831X_LDO2_SLEEP_CONTROL: |
| case WM831X_LDO3_CONTROL: |
| case WM831X_LDO3_ON_CONTROL: |
| case WM831X_LDO3_SLEEP_CONTROL: |
| case WM831X_LDO4_CONTROL: |
| case WM831X_LDO4_ON_CONTROL: |
| case WM831X_LDO4_SLEEP_CONTROL: |
| case WM831X_LDO5_CONTROL: |
| case WM831X_LDO5_ON_CONTROL: |
| case WM831X_LDO5_SLEEP_CONTROL: |
| case WM831X_LDO6_CONTROL: |
| case WM831X_LDO6_ON_CONTROL: |
| case WM831X_LDO6_SLEEP_CONTROL: |
| case WM831X_LDO7_CONTROL: |
| case WM831X_LDO7_ON_CONTROL: |
| case WM831X_LDO7_SLEEP_CONTROL: |
| case WM831X_LDO8_CONTROL: |
| case WM831X_LDO8_ON_CONTROL: |
| case WM831X_LDO8_SLEEP_CONTROL: |
| case WM831X_LDO9_CONTROL: |
| case WM831X_LDO9_ON_CONTROL: |
| case WM831X_LDO9_SLEEP_CONTROL: |
| case WM831X_LDO10_CONTROL: |
| case WM831X_LDO10_ON_CONTROL: |
| case WM831X_LDO10_SLEEP_CONTROL: |
| case WM831X_LDO11_ON_CONTROL: |
| case WM831X_LDO11_SLEEP_CONTROL: |
| case WM831X_POWER_GOOD_SOURCE_1: |
| case WM831X_POWER_GOOD_SOURCE_2: |
| case WM831X_CLOCK_CONTROL_1: |
| case WM831X_CLOCK_CONTROL_2: |
| case WM831X_FLL_CONTROL_1: |
| case WM831X_FLL_CONTROL_2: |
| case WM831X_FLL_CONTROL_3: |
| case WM831X_FLL_CONTROL_4: |
| case WM831X_FLL_CONTROL_5: |
| case WM831X_UNIQUE_ID_1: |
| case WM831X_UNIQUE_ID_2: |
| case WM831X_UNIQUE_ID_3: |
| case WM831X_UNIQUE_ID_4: |
| case WM831X_UNIQUE_ID_5: |
| case WM831X_UNIQUE_ID_6: |
| case WM831X_UNIQUE_ID_7: |
| case WM831X_UNIQUE_ID_8: |
| case WM831X_FACTORY_OTP_ID: |
| case WM831X_FACTORY_OTP_1: |
| case WM831X_FACTORY_OTP_2: |
| case WM831X_FACTORY_OTP_3: |
| case WM831X_FACTORY_OTP_4: |
| case WM831X_FACTORY_OTP_5: |
| case WM831X_CUSTOMER_OTP_ID: |
| case WM831X_DC1_OTP_CONTROL: |
| case WM831X_DC2_OTP_CONTROL: |
| case WM831X_DC3_OTP_CONTROL: |
| case WM831X_LDO1_2_OTP_CONTROL: |
| case WM831X_LDO3_4_OTP_CONTROL: |
| case WM831X_LDO5_6_OTP_CONTROL: |
| case WM831X_LDO7_8_OTP_CONTROL: |
| case WM831X_LDO9_10_OTP_CONTROL: |
| case WM831X_LDO11_EPE_CONTROL: |
| case WM831X_GPIO1_OTP_CONTROL: |
| case WM831X_GPIO2_OTP_CONTROL: |
| case WM831X_GPIO3_OTP_CONTROL: |
| case WM831X_GPIO4_OTP_CONTROL: |
| case WM831X_GPIO5_OTP_CONTROL: |
| case WM831X_GPIO6_OTP_CONTROL: |
| case WM831X_DBE_CHECK_DATA: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| static bool wm831x_reg_writeable(struct device *dev, unsigned int reg) |
| { |
| struct wm831x *wm831x = dev_get_drvdata(dev); |
| |
| if (wm831x_reg_locked(wm831x, reg)) |
| return false; |
| |
| switch (reg) { |
| case WM831X_SYSVDD_CONTROL: |
| case WM831X_THERMAL_MONITORING: |
| case WM831X_POWER_STATE: |
| case WM831X_WATCHDOG: |
| case WM831X_ON_PIN_CONTROL: |
| case WM831X_RESET_CONTROL: |
| case WM831X_CONTROL_INTERFACE: |
| case WM831X_SECURITY_KEY: |
| case WM831X_SOFTWARE_SCRATCH: |
| case WM831X_OTP_CONTROL: |
| case WM831X_GPIO_LEVEL: |
| case WM831X_INTERRUPT_STATUS_1: |
| case WM831X_INTERRUPT_STATUS_2: |
| case WM831X_INTERRUPT_STATUS_3: |
| case WM831X_INTERRUPT_STATUS_4: |
| case WM831X_INTERRUPT_STATUS_5: |
| case WM831X_IRQ_CONFIG: |
| case WM831X_SYSTEM_INTERRUPTS_MASK: |
| case WM831X_INTERRUPT_STATUS_1_MASK: |
| case WM831X_INTERRUPT_STATUS_2_MASK: |
| case WM831X_INTERRUPT_STATUS_3_MASK: |
| case WM831X_INTERRUPT_STATUS_4_MASK: |
| case WM831X_INTERRUPT_STATUS_5_MASK: |
| case WM831X_RTC_TIME_1: |
| case WM831X_RTC_TIME_2: |
| case WM831X_RTC_ALARM_1: |
| case WM831X_RTC_ALARM_2: |
| case WM831X_RTC_CONTROL: |
| case WM831X_RTC_TRIM: |
| case WM831X_TOUCH_CONTROL_1: |
| case WM831X_TOUCH_CONTROL_2: |
| case WM831X_AUXADC_CONTROL: |
| case WM831X_AUXADC_SOURCE: |
| case WM831X_COMPARATOR_CONTROL: |
| case WM831X_COMPARATOR_1: |
| case WM831X_COMPARATOR_2: |
| case WM831X_COMPARATOR_3: |
| case WM831X_COMPARATOR_4: |
| case WM831X_GPIO1_CONTROL: |
| case WM831X_GPIO2_CONTROL: |
| case WM831X_GPIO3_CONTROL: |
| case WM831X_GPIO4_CONTROL: |
| case WM831X_GPIO5_CONTROL: |
| case WM831X_GPIO6_CONTROL: |
| case WM831X_GPIO7_CONTROL: |
| case WM831X_GPIO8_CONTROL: |
| case WM831X_GPIO9_CONTROL: |
| case WM831X_GPIO10_CONTROL: |
| case WM831X_GPIO11_CONTROL: |
| case WM831X_GPIO12_CONTROL: |
| case WM831X_GPIO13_CONTROL: |
| case WM831X_GPIO14_CONTROL: |
| case WM831X_GPIO15_CONTROL: |
| case WM831X_GPIO16_CONTROL: |
| case WM831X_CHARGER_CONTROL_1: |
| case WM831X_CHARGER_CONTROL_2: |
| case WM831X_CHARGER_STATUS: |
| case WM831X_BACKUP_CHARGER_CONTROL: |
| case WM831X_STATUS_LED_1: |
| case WM831X_STATUS_LED_2: |
| case WM831X_CURRENT_SINK_1: |
| case WM831X_CURRENT_SINK_2: |
| case WM831X_DCDC_ENABLE: |
| case WM831X_LDO_ENABLE: |
| case WM831X_DC1_CONTROL_1: |
| case WM831X_DC1_CONTROL_2: |
| case WM831X_DC1_ON_CONFIG: |
| case WM831X_DC1_SLEEP_CONTROL: |
| case WM831X_DC1_DVS_CONTROL: |
| case WM831X_DC2_CONTROL_1: |
| case WM831X_DC2_CONTROL_2: |
| case WM831X_DC2_ON_CONFIG: |
| case WM831X_DC2_SLEEP_CONTROL: |
| case WM831X_DC2_DVS_CONTROL: |
| case WM831X_DC3_CONTROL_1: |
| case WM831X_DC3_CONTROL_2: |
| case WM831X_DC3_ON_CONFIG: |
| case WM831X_DC3_SLEEP_CONTROL: |
| case WM831X_DC4_CONTROL: |
| case WM831X_DC4_SLEEP_CONTROL: |
| case WM831X_EPE1_CONTROL: |
| case WM831X_EPE2_CONTROL: |
| case WM831X_LDO1_CONTROL: |
| case WM831X_LDO1_ON_CONTROL: |
| case WM831X_LDO1_SLEEP_CONTROL: |
| case WM831X_LDO2_CONTROL: |
| case WM831X_LDO2_ON_CONTROL: |
| case WM831X_LDO2_SLEEP_CONTROL: |
| case WM831X_LDO3_CONTROL: |
| case WM831X_LDO3_ON_CONTROL: |
| case WM831X_LDO3_SLEEP_CONTROL: |
| case WM831X_LDO4_CONTROL: |
| case WM831X_LDO4_ON_CONTROL: |
| case WM831X_LDO4_SLEEP_CONTROL: |
| case WM831X_LDO5_CONTROL: |
| case WM831X_LDO5_ON_CONTROL: |
| case WM831X_LDO5_SLEEP_CONTROL: |
| case WM831X_LDO6_CONTROL: |
| case WM831X_LDO6_ON_CONTROL: |
| case WM831X_LDO6_SLEEP_CONTROL: |
| case WM831X_LDO7_CONTROL: |
| case WM831X_LDO7_ON_CONTROL: |
| case WM831X_LDO7_SLEEP_CONTROL: |
| case WM831X_LDO8_CONTROL: |
| case WM831X_LDO8_ON_CONTROL: |
| case WM831X_LDO8_SLEEP_CONTROL: |
| case WM831X_LDO9_CONTROL: |
| case WM831X_LDO9_ON_CONTROL: |
| case WM831X_LDO9_SLEEP_CONTROL: |
| case WM831X_LDO10_CONTROL: |
| case WM831X_LDO10_ON_CONTROL: |
| case WM831X_LDO10_SLEEP_CONTROL: |
| case WM831X_LDO11_ON_CONTROL: |
| case WM831X_LDO11_SLEEP_CONTROL: |
| case WM831X_POWER_GOOD_SOURCE_1: |
| case WM831X_POWER_GOOD_SOURCE_2: |
| case WM831X_CLOCK_CONTROL_1: |
| case WM831X_CLOCK_CONTROL_2: |
| case WM831X_FLL_CONTROL_1: |
| case WM831X_FLL_CONTROL_2: |
| case WM831X_FLL_CONTROL_3: |
| case WM831X_FLL_CONTROL_4: |
| case WM831X_FLL_CONTROL_5: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| static bool wm831x_reg_volatile(struct device *dev, unsigned int reg) |
| { |
| switch (reg) { |
| case WM831X_SYSTEM_STATUS: |
| case WM831X_ON_SOURCE: |
| case WM831X_OFF_SOURCE: |
| case WM831X_GPIO_LEVEL: |
| case WM831X_SYSTEM_INTERRUPTS: |
| case WM831X_INTERRUPT_STATUS_1: |
| case WM831X_INTERRUPT_STATUS_2: |
| case WM831X_INTERRUPT_STATUS_3: |
| case WM831X_INTERRUPT_STATUS_4: |
| case WM831X_INTERRUPT_STATUS_5: |
| case WM831X_RTC_TIME_1: |
| case WM831X_RTC_TIME_2: |
| case WM831X_TOUCH_DATA_X: |
| case WM831X_TOUCH_DATA_Y: |
| case WM831X_TOUCH_DATA_Z: |
| case WM831X_AUXADC_DATA: |
| case WM831X_CHARGER_STATUS: |
| case WM831X_DCDC_STATUS: |
| case WM831X_LDO_STATUS: |
| case WM831X_DCDC_UV_STATUS: |
| case WM831X_LDO_UV_STATUS: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| /** |
| * wm831x_reg_read: Read a single WM831x register. |
| * |
| * @wm831x: Device to read from. |
| * @reg: Register to read. |
| */ |
| int wm831x_reg_read(struct wm831x *wm831x, unsigned short reg) |
| { |
| unsigned int val; |
| int ret; |
| |
| ret = regmap_read(wm831x->regmap, reg, &val); |
| |
| if (ret < 0) |
| return ret; |
| else |
| return val; |
| } |
| EXPORT_SYMBOL_GPL(wm831x_reg_read); |
| |
| /** |
| * wm831x_bulk_read: Read multiple WM831x registers |
| * |
| * @wm831x: Device to read from |
| * @reg: First register |
| * @count: Number of registers |
| * @buf: Buffer to fill. |
| */ |
| int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg, |
| int count, u16 *buf) |
| { |
| return regmap_bulk_read(wm831x->regmap, reg, buf, count); |
| } |
| EXPORT_SYMBOL_GPL(wm831x_bulk_read); |
| |
| static int wm831x_write(struct wm831x *wm831x, unsigned short reg, |
| int bytes, void *src) |
| { |
| u16 *buf = src; |
| int i, ret; |
| |
| BUG_ON(bytes % 2); |
| BUG_ON(bytes <= 0); |
| |
| for (i = 0; i < bytes / 2; i++) { |
| if (wm831x_reg_locked(wm831x, reg)) |
| return -EPERM; |
| |
| dev_vdbg(wm831x->dev, "Write %04x to R%d(0x%x)\n", |
| buf[i], reg + i, reg + i); |
| ret = regmap_write(wm831x->regmap, reg + i, buf[i]); |
| if (ret != 0) |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * wm831x_reg_write: Write a single WM831x register. |
| * |
| * @wm831x: Device to write to. |
| * @reg: Register to write to. |
| * @val: Value to write. |
| */ |
| int wm831x_reg_write(struct wm831x *wm831x, unsigned short reg, |
| unsigned short val) |
| { |
| int ret; |
| |
| mutex_lock(&wm831x->io_lock); |
| |
| ret = wm831x_write(wm831x, reg, 2, &val); |
| |
| mutex_unlock(&wm831x->io_lock); |
| |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(wm831x_reg_write); |
| |
| /** |
| * wm831x_set_bits: Set the value of a bitfield in a WM831x register |
| * |
| * @wm831x: Device to write to. |
| * @reg: Register to write to. |
| * @mask: Mask of bits to set. |
| * @val: Value to set (unshifted) |
| */ |
| int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg, |
| unsigned short mask, unsigned short val) |
| { |
| int ret; |
| |
| mutex_lock(&wm831x->io_lock); |
| |
| if (!wm831x_reg_locked(wm831x, reg)) |
| ret = regmap_update_bits(wm831x->regmap, reg, mask, val); |
| else |
| ret = -EPERM; |
| |
| mutex_unlock(&wm831x->io_lock); |
| |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(wm831x_set_bits); |
| |
| static struct resource wm831x_dcdc1_resources[] = { |
| { |
| .start = WM831X_DC1_CONTROL_1, |
| .end = WM831X_DC1_DVS_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .name = "UV", |
| .start = WM831X_IRQ_UV_DC1, |
| .end = WM831X_IRQ_UV_DC1, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .name = "HC", |
| .start = WM831X_IRQ_HC_DC1, |
| .end = WM831X_IRQ_HC_DC1, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| |
| static struct resource wm831x_dcdc2_resources[] = { |
| { |
| .start = WM831X_DC2_CONTROL_1, |
| .end = WM831X_DC2_DVS_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .name = "UV", |
| .start = WM831X_IRQ_UV_DC2, |
| .end = WM831X_IRQ_UV_DC2, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .name = "HC", |
| .start = WM831X_IRQ_HC_DC2, |
| .end = WM831X_IRQ_HC_DC2, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_dcdc3_resources[] = { |
| { |
| .start = WM831X_DC3_CONTROL_1, |
| .end = WM831X_DC3_SLEEP_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .name = "UV", |
| .start = WM831X_IRQ_UV_DC3, |
| .end = WM831X_IRQ_UV_DC3, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_dcdc4_resources[] = { |
| { |
| .start = WM831X_DC4_CONTROL, |
| .end = WM831X_DC4_SLEEP_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .name = "UV", |
| .start = WM831X_IRQ_UV_DC4, |
| .end = WM831X_IRQ_UV_DC4, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm8320_dcdc4_buck_resources[] = { |
| { |
| .start = WM831X_DC4_CONTROL, |
| .end = WM832X_DC4_SLEEP_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .name = "UV", |
| .start = WM831X_IRQ_UV_DC4, |
| .end = WM831X_IRQ_UV_DC4, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_gpio_resources[] = { |
| { |
| .start = WM831X_IRQ_GPIO_1, |
| .end = WM831X_IRQ_GPIO_16, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_isink1_resources[] = { |
| { |
| .start = WM831X_CURRENT_SINK_1, |
| .end = WM831X_CURRENT_SINK_1, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .start = WM831X_IRQ_CS1, |
| .end = WM831X_IRQ_CS1, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_isink2_resources[] = { |
| { |
| .start = WM831X_CURRENT_SINK_2, |
| .end = WM831X_CURRENT_SINK_2, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .start = WM831X_IRQ_CS2, |
| .end = WM831X_IRQ_CS2, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_ldo1_resources[] = { |
| { |
| .start = WM831X_LDO1_CONTROL, |
| .end = WM831X_LDO1_SLEEP_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .name = "UV", |
| .start = WM831X_IRQ_UV_LDO1, |
| .end = WM831X_IRQ_UV_LDO1, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_ldo2_resources[] = { |
| { |
| .start = WM831X_LDO2_CONTROL, |
| .end = WM831X_LDO2_SLEEP_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .name = "UV", |
| .start = WM831X_IRQ_UV_LDO2, |
| .end = WM831X_IRQ_UV_LDO2, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_ldo3_resources[] = { |
| { |
| .start = WM831X_LDO3_CONTROL, |
| .end = WM831X_LDO3_SLEEP_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .name = "UV", |
| .start = WM831X_IRQ_UV_LDO3, |
| .end = WM831X_IRQ_UV_LDO3, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_ldo4_resources[] = { |
| { |
| .start = WM831X_LDO4_CONTROL, |
| .end = WM831X_LDO4_SLEEP_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .name = "UV", |
| .start = WM831X_IRQ_UV_LDO4, |
| .end = WM831X_IRQ_UV_LDO4, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_ldo5_resources[] = { |
| { |
| .start = WM831X_LDO5_CONTROL, |
| .end = WM831X_LDO5_SLEEP_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .name = "UV", |
| .start = WM831X_IRQ_UV_LDO5, |
| .end = WM831X_IRQ_UV_LDO5, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_ldo6_resources[] = { |
| { |
| .start = WM831X_LDO6_CONTROL, |
| .end = WM831X_LDO6_SLEEP_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .name = "UV", |
| .start = WM831X_IRQ_UV_LDO6, |
| .end = WM831X_IRQ_UV_LDO6, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_ldo7_resources[] = { |
| { |
| .start = WM831X_LDO7_CONTROL, |
| .end = WM831X_LDO7_SLEEP_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .name = "UV", |
| .start = WM831X_IRQ_UV_LDO7, |
| .end = WM831X_IRQ_UV_LDO7, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_ldo8_resources[] = { |
| { |
| .start = WM831X_LDO8_CONTROL, |
| .end = WM831X_LDO8_SLEEP_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .name = "UV", |
| .start = WM831X_IRQ_UV_LDO8, |
| .end = WM831X_IRQ_UV_LDO8, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_ldo9_resources[] = { |
| { |
| .start = WM831X_LDO9_CONTROL, |
| .end = WM831X_LDO9_SLEEP_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .name = "UV", |
| .start = WM831X_IRQ_UV_LDO9, |
| .end = WM831X_IRQ_UV_LDO9, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_ldo10_resources[] = { |
| { |
| .start = WM831X_LDO10_CONTROL, |
| .end = WM831X_LDO10_SLEEP_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| { |
| .name = "UV", |
| .start = WM831X_IRQ_UV_LDO10, |
| .end = WM831X_IRQ_UV_LDO10, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_ldo11_resources[] = { |
| { |
| .start = WM831X_LDO11_ON_CONTROL, |
| .end = WM831X_LDO11_SLEEP_CONTROL, |
| .flags = IORESOURCE_REG, |
| }, |
| }; |
| |
| static struct resource wm831x_on_resources[] = { |
| { |
| .start = WM831X_IRQ_ON, |
| .end = WM831X_IRQ_ON, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| |
| static struct resource wm831x_power_resources[] = { |
| { |
| .name = "SYSLO", |
| .start = WM831X_IRQ_PPM_SYSLO, |
| .end = WM831X_IRQ_PPM_SYSLO, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .name = "PWR SRC", |
| .start = WM831X_IRQ_PPM_PWR_SRC, |
| .end = WM831X_IRQ_PPM_PWR_SRC, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .name = "USB CURR", |
| .start = WM831X_IRQ_PPM_USB_CURR, |
| .end = WM831X_IRQ_PPM_USB_CURR, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .name = "BATT HOT", |
| .start = WM831X_IRQ_CHG_BATT_HOT, |
| .end = WM831X_IRQ_CHG_BATT_HOT, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .name = "BATT COLD", |
| .start = WM831X_IRQ_CHG_BATT_COLD, |
| .end = WM831X_IRQ_CHG_BATT_COLD, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .name = "BATT FAIL", |
| .start = WM831X_IRQ_CHG_BATT_FAIL, |
| .end = WM831X_IRQ_CHG_BATT_FAIL, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .name = "OV", |
| .start = WM831X_IRQ_CHG_OV, |
| .end = WM831X_IRQ_CHG_OV, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .name = "END", |
| .start = WM831X_IRQ_CHG_END, |
| .end = WM831X_IRQ_CHG_END, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .name = "TO", |
| .start = WM831X_IRQ_CHG_TO, |
| .end = WM831X_IRQ_CHG_TO, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .name = "MODE", |
| .start = WM831X_IRQ_CHG_MODE, |
| .end = WM831X_IRQ_CHG_MODE, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .name = "START", |
| .start = WM831X_IRQ_CHG_START, |
| .end = WM831X_IRQ_CHG_START, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_rtc_resources[] = { |
| { |
| .name = "PER", |
| .start = WM831X_IRQ_RTC_PER, |
| .end = WM831X_IRQ_RTC_PER, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .name = "ALM", |
| .start = WM831X_IRQ_RTC_ALM, |
| .end = WM831X_IRQ_RTC_ALM, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_status1_resources[] = { |
| { |
| .start = WM831X_STATUS_LED_1, |
| .end = WM831X_STATUS_LED_1, |
| .flags = IORESOURCE_REG, |
| }, |
| }; |
| |
| static struct resource wm831x_status2_resources[] = { |
| { |
| .start = WM831X_STATUS_LED_2, |
| .end = WM831X_STATUS_LED_2, |
| .flags = IORESOURCE_REG, |
| }, |
| }; |
| |
| static struct resource wm831x_touch_resources[] = { |
| { |
| .name = "TCHPD", |
| .start = WM831X_IRQ_TCHPD, |
| .end = WM831X_IRQ_TCHPD, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .name = "TCHDATA", |
| .start = WM831X_IRQ_TCHDATA, |
| .end = WM831X_IRQ_TCHDATA, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct resource wm831x_wdt_resources[] = { |
| { |
| .start = WM831X_IRQ_WDOG_TO, |
| .end = WM831X_IRQ_WDOG_TO, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static const struct mfd_cell wm8310_devs[] = { |
| { |
| .name = "wm831x-backup", |
| }, |
| { |
| .name = "wm831x-buckv", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources), |
| .resources = wm831x_dcdc1_resources, |
| }, |
| { |
| .name = "wm831x-buckv", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources), |
| .resources = wm831x_dcdc2_resources, |
| }, |
| { |
| .name = "wm831x-buckp", |
| .id = 3, |
| .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources), |
| .resources = wm831x_dcdc3_resources, |
| }, |
| { |
| .name = "wm831x-boostp", |
| .id = 4, |
| .num_resources = ARRAY_SIZE(wm831x_dcdc4_resources), |
| .resources = wm831x_dcdc4_resources, |
| }, |
| { |
| .name = "wm831x-clk", |
| }, |
| { |
| .name = "wm831x-epe", |
| .id = 1, |
| }, |
| { |
| .name = "wm831x-epe", |
| .id = 2, |
| }, |
| { |
| .name = "wm831x-gpio", |
| .num_resources = ARRAY_SIZE(wm831x_gpio_resources), |
| .resources = wm831x_gpio_resources, |
| }, |
| { |
| .name = "wm831x-hwmon", |
| }, |
| { |
| .name = "wm831x-isink", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(wm831x_isink1_resources), |
| .resources = wm831x_isink1_resources, |
| }, |
| { |
| .name = "wm831x-isink", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(wm831x_isink2_resources), |
| .resources = wm831x_isink2_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(wm831x_ldo1_resources), |
| .resources = wm831x_ldo1_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(wm831x_ldo2_resources), |
| .resources = wm831x_ldo2_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 3, |
| .num_resources = ARRAY_SIZE(wm831x_ldo3_resources), |
| .resources = wm831x_ldo3_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 4, |
| .num_resources = ARRAY_SIZE(wm831x_ldo4_resources), |
| .resources = wm831x_ldo4_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 5, |
| .num_resources = ARRAY_SIZE(wm831x_ldo5_resources), |
| .resources = wm831x_ldo5_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 6, |
| .num_resources = ARRAY_SIZE(wm831x_ldo6_resources), |
| .resources = wm831x_ldo6_resources, |
| }, |
| { |
| .name = "wm831x-aldo", |
| .id = 7, |
| .num_resources = ARRAY_SIZE(wm831x_ldo7_resources), |
| .resources = wm831x_ldo7_resources, |
| }, |
| { |
| .name = "wm831x-aldo", |
| .id = 8, |
| .num_resources = ARRAY_SIZE(wm831x_ldo8_resources), |
| .resources = wm831x_ldo8_resources, |
| }, |
| { |
| .name = "wm831x-aldo", |
| .id = 9, |
| .num_resources = ARRAY_SIZE(wm831x_ldo9_resources), |
| .resources = wm831x_ldo9_resources, |
| }, |
| { |
| .name = "wm831x-aldo", |
| .id = 10, |
| .num_resources = ARRAY_SIZE(wm831x_ldo10_resources), |
| .resources = wm831x_ldo10_resources, |
| }, |
| { |
| .name = "wm831x-alive-ldo", |
| .id = 11, |
| .num_resources = ARRAY_SIZE(wm831x_ldo11_resources), |
| .resources = wm831x_ldo11_resources, |
| }, |
| { |
| .name = "wm831x-on", |
| .num_resources = ARRAY_SIZE(wm831x_on_resources), |
| .resources = wm831x_on_resources, |
| }, |
| { |
| .name = "wm831x-power", |
| .num_resources = ARRAY_SIZE(wm831x_power_resources), |
| .resources = wm831x_power_resources, |
| }, |
| { |
| .name = "wm831x-status", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(wm831x_status1_resources), |
| .resources = wm831x_status1_resources, |
| }, |
| { |
| .name = "wm831x-status", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(wm831x_status2_resources), |
| .resources = wm831x_status2_resources, |
| }, |
| { |
| .name = "wm831x-watchdog", |
| .num_resources = ARRAY_SIZE(wm831x_wdt_resources), |
| .resources = wm831x_wdt_resources, |
| }, |
| }; |
| |
| static const struct mfd_cell wm8311_devs[] = { |
| { |
| .name = "wm831x-backup", |
| }, |
| { |
| .name = "wm831x-buckv", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources), |
| .resources = wm831x_dcdc1_resources, |
| }, |
| { |
| .name = "wm831x-buckv", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources), |
| .resources = wm831x_dcdc2_resources, |
| }, |
| { |
| .name = "wm831x-buckp", |
| .id = 3, |
| .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources), |
| .resources = wm831x_dcdc3_resources, |
| }, |
| { |
| .name = "wm831x-boostp", |
| .id = 4, |
| .num_resources = ARRAY_SIZE(wm831x_dcdc4_resources), |
| .resources = wm831x_dcdc4_resources, |
| }, |
| { |
| .name = "wm831x-clk", |
| }, |
| { |
| .name = "wm831x-epe", |
| .id = 1, |
| }, |
| { |
| .name = "wm831x-epe", |
| .id = 2, |
| }, |
| { |
| .name = "wm831x-gpio", |
| .num_resources = ARRAY_SIZE(wm831x_gpio_resources), |
| .resources = wm831x_gpio_resources, |
| }, |
| { |
| .name = "wm831x-hwmon", |
| }, |
| { |
| .name = "wm831x-isink", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(wm831x_isink1_resources), |
| .resources = wm831x_isink1_resources, |
| }, |
| { |
| .name = "wm831x-isink", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(wm831x_isink2_resources), |
| .resources = wm831x_isink2_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(wm831x_ldo1_resources), |
| .resources = wm831x_ldo1_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(wm831x_ldo2_resources), |
| .resources = wm831x_ldo2_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 3, |
| .num_resources = ARRAY_SIZE(wm831x_ldo3_resources), |
| .resources = wm831x_ldo3_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 4, |
| .num_resources = ARRAY_SIZE(wm831x_ldo4_resources), |
| .resources = wm831x_ldo4_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 5, |
| .num_resources = ARRAY_SIZE(wm831x_ldo5_resources), |
| .resources = wm831x_ldo5_resources, |
| }, |
| { |
| .name = "wm831x-aldo", |
| .id = 7, |
| .num_resources = ARRAY_SIZE(wm831x_ldo7_resources), |
| .resources = wm831x_ldo7_resources, |
| }, |
| { |
| .name = "wm831x-alive-ldo", |
| .id = 11, |
| .num_resources = ARRAY_SIZE(wm831x_ldo11_resources), |
| .resources = wm831x_ldo11_resources, |
| }, |
| { |
| .name = "wm831x-on", |
| .num_resources = ARRAY_SIZE(wm831x_on_resources), |
| .resources = wm831x_on_resources, |
| }, |
| { |
| .name = "wm831x-power", |
| .num_resources = ARRAY_SIZE(wm831x_power_resources), |
| .resources = wm831x_power_resources, |
| }, |
| { |
| .name = "wm831x-status", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(wm831x_status1_resources), |
| .resources = wm831x_status1_resources, |
| }, |
| { |
| .name = "wm831x-status", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(wm831x_status2_resources), |
| .resources = wm831x_status2_resources, |
| }, |
| { |
| .name = "wm831x-watchdog", |
| .num_resources = ARRAY_SIZE(wm831x_wdt_resources), |
| .resources = wm831x_wdt_resources, |
| }, |
| }; |
| |
| static const struct mfd_cell wm8312_devs[] = { |
| { |
| .name = "wm831x-backup", |
| }, |
| { |
| .name = "wm831x-buckv", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources), |
| .resources = wm831x_dcdc1_resources, |
| }, |
| { |
| .name = "wm831x-buckv", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources), |
| .resources = wm831x_dcdc2_resources, |
| }, |
| { |
| .name = "wm831x-buckp", |
| .id = 3, |
| .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources), |
| .resources = wm831x_dcdc3_resources, |
| }, |
| { |
| .name = "wm831x-boostp", |
| .id = 4, |
| .num_resources = ARRAY_SIZE(wm831x_dcdc4_resources), |
| .resources = wm831x_dcdc4_resources, |
| }, |
| { |
| .name = "wm831x-clk", |
| }, |
| { |
| .name = "wm831x-epe", |
| .id = 1, |
| }, |
| { |
| .name = "wm831x-epe", |
| .id = 2, |
| }, |
| { |
| .name = "wm831x-gpio", |
| .num_resources = ARRAY_SIZE(wm831x_gpio_resources), |
| .resources = wm831x_gpio_resources, |
| }, |
| { |
| .name = "wm831x-hwmon", |
| }, |
| { |
| .name = "wm831x-isink", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(wm831x_isink1_resources), |
| .resources = wm831x_isink1_resources, |
| }, |
| { |
| .name = "wm831x-isink", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(wm831x_isink2_resources), |
| .resources = wm831x_isink2_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(wm831x_ldo1_resources), |
| .resources = wm831x_ldo1_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(wm831x_ldo2_resources), |
| .resources = wm831x_ldo2_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 3, |
| .num_resources = ARRAY_SIZE(wm831x_ldo3_resources), |
| .resources = wm831x_ldo3_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 4, |
| .num_resources = ARRAY_SIZE(wm831x_ldo4_resources), |
| .resources = wm831x_ldo4_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 5, |
| .num_resources = ARRAY_SIZE(wm831x_ldo5_resources), |
| .resources = wm831x_ldo5_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 6, |
| .num_resources = ARRAY_SIZE(wm831x_ldo6_resources), |
| .resources = wm831x_ldo6_resources, |
| }, |
| { |
| .name = "wm831x-aldo", |
| .id = 7, |
| .num_resources = ARRAY_SIZE(wm831x_ldo7_resources), |
| .resources = wm831x_ldo7_resources, |
| }, |
| { |
| .name = "wm831x-aldo", |
| .id = 8, |
| .num_resources = ARRAY_SIZE(wm831x_ldo8_resources), |
| .resources = wm831x_ldo8_resources, |
| }, |
| { |
| .name = "wm831x-aldo", |
| .id = 9, |
| .num_resources = ARRAY_SIZE(wm831x_ldo9_resources), |
| .resources = wm831x_ldo9_resources, |
| }, |
| { |
| .name = "wm831x-aldo", |
| .id = 10, |
| .num_resources = ARRAY_SIZE(wm831x_ldo10_resources), |
| .resources = wm831x_ldo10_resources, |
| }, |
| { |
| .name = "wm831x-alive-ldo", |
| .id = 11, |
| .num_resources = ARRAY_SIZE(wm831x_ldo11_resources), |
| .resources = wm831x_ldo11_resources, |
| }, |
| { |
| .name = "wm831x-on", |
| .num_resources = ARRAY_SIZE(wm831x_on_resources), |
| .resources = wm831x_on_resources, |
| }, |
| { |
| .name = "wm831x-power", |
| .num_resources = ARRAY_SIZE(wm831x_power_resources), |
| .resources = wm831x_power_resources, |
| }, |
| { |
| .name = "wm831x-status", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(wm831x_status1_resources), |
| .resources = wm831x_status1_resources, |
| }, |
| { |
| .name = "wm831x-status", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(wm831x_status2_resources), |
| .resources = wm831x_status2_resources, |
| }, |
| { |
| .name = "wm831x-watchdog", |
| .num_resources = ARRAY_SIZE(wm831x_wdt_resources), |
| .resources = wm831x_wdt_resources, |
| }, |
| }; |
| |
| static const struct mfd_cell wm8320_devs[] = { |
| { |
| .name = "wm831x-backup", |
| }, |
| { |
| .name = "wm831x-buckv", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources), |
| .resources = wm831x_dcdc1_resources, |
| }, |
| { |
| .name = "wm831x-buckv", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources), |
| .resources = wm831x_dcdc2_resources, |
| }, |
| { |
| .name = "wm831x-buckp", |
| .id = 3, |
| .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources), |
| .resources = wm831x_dcdc3_resources, |
| }, |
| { |
| .name = "wm831x-buckp", |
| .id = 4, |
| .num_resources = ARRAY_SIZE(wm8320_dcdc4_buck_resources), |
| .resources = wm8320_dcdc4_buck_resources, |
| }, |
| { |
| .name = "wm831x-clk", |
| }, |
| { |
| .name = "wm831x-gpio", |
| .num_resources = ARRAY_SIZE(wm831x_gpio_resources), |
| .resources = wm831x_gpio_resources, |
| }, |
| { |
| .name = "wm831x-hwmon", |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(wm831x_ldo1_resources), |
| .resources = wm831x_ldo1_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(wm831x_ldo2_resources), |
| .resources = wm831x_ldo2_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 3, |
| .num_resources = ARRAY_SIZE(wm831x_ldo3_resources), |
| .resources = wm831x_ldo3_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 4, |
| .num_resources = ARRAY_SIZE(wm831x_ldo4_resources), |
| .resources = wm831x_ldo4_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 5, |
| .num_resources = ARRAY_SIZE(wm831x_ldo5_resources), |
| .resources = wm831x_ldo5_resources, |
| }, |
| { |
| .name = "wm831x-ldo", |
| .id = 6, |
| .num_resources = ARRAY_SIZE(wm831x_ldo6_resources), |
| .resources = wm831x_ldo6_resources, |
| }, |
| { |
| .name = "wm831x-aldo", |
| .id = 7, |
| .num_resources = ARRAY_SIZE(wm831x_ldo7_resources), |
| .resources = wm831x_ldo7_resources, |
| }, |
| { |
| .name = "wm831x-aldo", |
| .id = 8, |
| .num_resources = ARRAY_SIZE(wm831x_ldo8_resources), |
| .resources = wm831x_ldo8_resources, |
| }, |
| { |
| .name = "wm831x-aldo", |
| .id = 9, |
| .num_resources = ARRAY_SIZE(wm831x_ldo9_resources), |
| .resources = wm831x_ldo9_resources, |
| }, |
| { |
| .name = "wm831x-aldo", |
| .id = 10, |
| .num_resources = ARRAY_SIZE(wm831x_ldo10_resources), |
| .resources = wm831x_ldo10_resources, |
| }, |
| { |
| .name = "wm831x-alive-ldo", |
| .id = 11, |
| .num_resources = ARRAY_SIZE(wm831x_ldo11_resources), |
| .resources = wm831x_ldo11_resources, |
| }, |
| { |
| .name = "wm831x-on", |
| .num_resources = ARRAY_SIZE(wm831x_on_resources), |
| .resources = wm831x_on_resources, |
| }, |
| { |
| .name = "wm831x-status", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(wm831x_status1_resources), |
| .resources = wm831x_status1_resources, |
| }, |
| { |
| .name = "wm831x-status", |
| .id = 2, |
| .num_resources = ARRAY_SIZE(wm831x_status2_resources), |
| .resources = wm831x_status2_resources, |
| }, |
| { |
| .name = "wm831x-watchdog", |
| .num_resources = ARRAY_SIZE(wm831x_wdt_resources), |
| .resources = wm831x_wdt_resources, |
| }, |
| }; |
| |
| static const struct mfd_cell touch_devs[] = { |
| { |
| .name = "wm831x-touch", |
| .num_resources = ARRAY_SIZE(wm831x_touch_resources), |
| .resources = wm831x_touch_resources, |
| }, |
| }; |
| |
| static const struct mfd_cell rtc_devs[] = { |
| { |
| .name = "wm831x-rtc", |
| .num_resources = ARRAY_SIZE(wm831x_rtc_resources), |
| .resources = wm831x_rtc_resources, |
| }, |
| }; |
| |
| static const struct mfd_cell backlight_devs[] = { |
| { |
| .name = "wm831x-backlight", |
| }, |
| }; |
| |
| struct regmap_config wm831x_regmap_config = { |
| .reg_bits = 16, |
| .val_bits = 16, |
| |
| .cache_type = REGCACHE_RBTREE, |
| |
| .max_register = WM831X_DBE_CHECK_DATA, |
| .readable_reg = wm831x_reg_readable, |
| .writeable_reg = wm831x_reg_writeable, |
| .volatile_reg = wm831x_reg_volatile, |
| }; |
| EXPORT_SYMBOL_GPL(wm831x_regmap_config); |
| |
| const struct of_device_id wm831x_of_match[] = { |
| { .compatible = "wlf,wm8310", .data = (void *)WM8310 }, |
| { .compatible = "wlf,wm8311", .data = (void *)WM8311 }, |
| { .compatible = "wlf,wm8312", .data = (void *)WM8312 }, |
| { .compatible = "wlf,wm8320", .data = (void *)WM8320 }, |
| { .compatible = "wlf,wm8321", .data = (void *)WM8321 }, |
| { .compatible = "wlf,wm8325", .data = (void *)WM8325 }, |
| { .compatible = "wlf,wm8326", .data = (void *)WM8326 }, |
| { }, |
| }; |
| EXPORT_SYMBOL_GPL(wm831x_of_match); |
| |
| /* |
| * Instantiate the generic non-control parts of the device. |
| */ |
| int wm831x_device_init(struct wm831x *wm831x, int irq) |
| { |
| struct wm831x_pdata *pdata = &wm831x->pdata; |
| int rev, wm831x_num; |
| enum wm831x_parent parent; |
| int ret, i; |
| |
| mutex_init(&wm831x->io_lock); |
| mutex_init(&wm831x->key_lock); |
| dev_set_drvdata(wm831x->dev, wm831x); |
| |
| wm831x->soft_shutdown = pdata->soft_shutdown; |
| |
| ret = wm831x_reg_read(wm831x, WM831X_PARENT_ID); |
| if (ret < 0) { |
| dev_err(wm831x->dev, "Failed to read parent ID: %d\n", ret); |
| goto err; |
| } |
| switch (ret) { |
| case 0x6204: |
| case 0x6246: |
| break; |
| default: |
| dev_err(wm831x->dev, "Device is not a WM831x: ID %x\n", ret); |
| ret = -EINVAL; |
| goto err; |
| } |
| |
| ret = wm831x_reg_read(wm831x, WM831X_REVISION); |
| if (ret < 0) { |
| dev_err(wm831x->dev, "Failed to read revision: %d\n", ret); |
| goto err; |
| } |
| rev = (ret & WM831X_PARENT_REV_MASK) >> WM831X_PARENT_REV_SHIFT; |
| |
| ret = wm831x_reg_read(wm831x, WM831X_RESET_ID); |
| if (ret < 0) { |
| dev_err(wm831x->dev, "Failed to read device ID: %d\n", ret); |
| goto err; |
| } |
| |
| /* Some engineering samples do not have the ID set, rely on |
| * the device being registered correctly. |
| */ |
| if (ret == 0) { |
| dev_info(wm831x->dev, "Device is an engineering sample\n"); |
| ret = wm831x->type; |
| } |
| |
| switch (ret) { |
| case WM8310: |
| parent = WM8310; |
| wm831x->num_gpio = 16; |
| wm831x->charger_irq_wake = 1; |
| if (rev > 0) { |
| wm831x->has_gpio_ena = 1; |
| wm831x->has_cs_sts = 1; |
| } |
| |
| dev_info(wm831x->dev, "WM8310 revision %c\n", 'A' + rev); |
| break; |
| |
| case WM8311: |
| parent = WM8311; |
| wm831x->num_gpio = 16; |
| wm831x->charger_irq_wake = 1; |
| if (rev > 0) { |
| wm831x->has_gpio_ena = 1; |
| wm831x->has_cs_sts = 1; |
| } |
| |
| dev_info(wm831x->dev, "WM8311 revision %c\n", 'A' + rev); |
| break; |
| |
| case WM8312: |
| parent = WM8312; |
| wm831x->num_gpio = 16; |
| wm831x->charger_irq_wake = 1; |
| if (rev > 0) { |
| wm831x->has_gpio_ena = 1; |
| wm831x->has_cs_sts = 1; |
| } |
| |
| dev_info(wm831x->dev, "WM8312 revision %c\n", 'A' + rev); |
| break; |
| |
| case WM8320: |
| parent = WM8320; |
| wm831x->num_gpio = 12; |
| dev_info(wm831x->dev, "WM8320 revision %c\n", 'A' + rev); |
| break; |
| |
| case WM8321: |
| parent = WM8321; |
| wm831x->num_gpio = 12; |
| dev_info(wm831x->dev, "WM8321 revision %c\n", 'A' + rev); |
| break; |
| |
| case WM8325: |
| parent = WM8325; |
| wm831x->num_gpio = 12; |
| dev_info(wm831x->dev, "WM8325 revision %c\n", 'A' + rev); |
| break; |
| |
| case WM8326: |
| parent = WM8326; |
| wm831x->num_gpio = 12; |
| dev_info(wm831x->dev, "WM8326 revision %c\n", 'A' + rev); |
| break; |
| |
| default: |
| dev_err(wm831x->dev, "Unknown WM831x device %04x\n", ret); |
| ret = -EINVAL; |
| goto err; |
| } |
| |
| /* This will need revisiting in future but is OK for all |
| * current parts. |
| */ |
| if (parent != wm831x->type) |
| dev_warn(wm831x->dev, "Device was registered as a WM%x\n", |
| wm831x->type); |
| |
| /* Bootstrap the user key */ |
| ret = wm831x_reg_read(wm831x, WM831X_SECURITY_KEY); |
| if (ret < 0) { |
| dev_err(wm831x->dev, "Failed to read security key: %d\n", ret); |
| goto err; |
| } |
| if (ret != 0) { |
| dev_warn(wm831x->dev, "Security key had non-zero value %x\n", |
| ret); |
| wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0); |
| } |
| wm831x->locked = 1; |
| |
| if (pdata->pre_init) { |
| ret = pdata->pre_init(wm831x); |
| if (ret != 0) { |
| dev_err(wm831x->dev, "pre_init() failed: %d\n", ret); |
| goto err; |
| } |
| } |
| |
| for (i = 0; i < ARRAY_SIZE(pdata->gpio_defaults); i++) { |
| if (!pdata->gpio_defaults[i]) |
| continue; |
| |
| wm831x_reg_write(wm831x, |
| WM831X_GPIO1_CONTROL + i, |
| pdata->gpio_defaults[i] & 0xffff); |
| } |
| |
| /* Multiply by 10 as we have many subdevices of the same type */ |
| if (pdata->wm831x_num) |
| wm831x_num = pdata->wm831x_num * 10; |
| else |
| wm831x_num = -1; |
| |
| ret = wm831x_irq_init(wm831x, irq); |
| if (ret != 0) |
| goto err; |
| |
| wm831x_auxadc_init(wm831x); |
| |
| /* The core device is up, instantiate the subdevices. */ |
| switch (parent) { |
| case WM8310: |
| ret = mfd_add_devices(wm831x->dev, wm831x_num, |
| wm8310_devs, ARRAY_SIZE(wm8310_devs), |
| NULL, 0, NULL); |
| break; |
| |
| case WM8311: |
| ret = mfd_add_devices(wm831x->dev, wm831x_num, |
| wm8311_devs, ARRAY_SIZE(wm8311_devs), |
| NULL, 0, NULL); |
| if (!pdata->disable_touch) |
| mfd_add_devices(wm831x->dev, wm831x_num, |
| touch_devs, ARRAY_SIZE(touch_devs), |
| NULL, 0, NULL); |
| break; |
| |
| case WM8312: |
| ret = mfd_add_devices(wm831x->dev, wm831x_num, |
| wm8312_devs, ARRAY_SIZE(wm8312_devs), |
| NULL, 0, NULL); |
| if (!pdata->disable_touch) |
| mfd_add_devices(wm831x->dev, wm831x_num, |
| touch_devs, ARRAY_SIZE(touch_devs), |
| NULL, 0, NULL); |
| break; |
| |
| case WM8320: |
| case WM8321: |
| case WM8325: |
| case WM8326: |
| ret = mfd_add_devices(wm831x->dev, wm831x_num, |
| wm8320_devs, ARRAY_SIZE(wm8320_devs), |
| NULL, 0, NULL); |
| break; |
| |
| default: |
| /* If this happens the bus probe function is buggy */ |
| BUG(); |
| } |
| |
| if (ret != 0) { |
| dev_err(wm831x->dev, "Failed to add children\n"); |
| goto err_irq; |
| } |
| |
| /* The RTC can only be used if the 32.768kHz crystal is |
| * enabled; this can't be controlled by software at runtime. |
| */ |
| ret = wm831x_reg_read(wm831x, WM831X_CLOCK_CONTROL_2); |
| if (ret < 0) { |
| dev_err(wm831x->dev, "Failed to read clock status: %d\n", ret); |
| goto err_irq; |
| } |
| |
| if (ret & WM831X_XTAL_ENA) { |
| ret = mfd_add_devices(wm831x->dev, wm831x_num, |
| rtc_devs, ARRAY_SIZE(rtc_devs), |
| NULL, 0, NULL); |
| if (ret != 0) { |
| dev_err(wm831x->dev, "Failed to add RTC: %d\n", ret); |
| goto err_irq; |
| } |
| } else { |
| dev_info(wm831x->dev, "32.768kHz clock disabled, no RTC\n"); |
| } |
| |
| if (pdata->backlight) { |
| /* Treat errors as non-critical */ |
| ret = mfd_add_devices(wm831x->dev, wm831x_num, backlight_devs, |
| ARRAY_SIZE(backlight_devs), NULL, |
| 0, NULL); |
| if (ret < 0) |
| dev_err(wm831x->dev, "Failed to add backlight: %d\n", |
| ret); |
| } |
| |
| wm831x_otp_init(wm831x); |
| |
| if (pdata->post_init) { |
| ret = pdata->post_init(wm831x); |
| if (ret != 0) { |
| dev_err(wm831x->dev, "post_init() failed: %d\n", ret); |
| goto err_irq; |
| } |
| } |
| |
| return 0; |
| |
| err_irq: |
| wm831x_irq_exit(wm831x); |
| err: |
| mfd_remove_devices(wm831x->dev); |
| return ret; |
| } |
| |
| int wm831x_device_suspend(struct wm831x *wm831x) |
| { |
| int reg, mask; |
| |
| /* If the charger IRQs are a wake source then make sure we ack |
| * them even if they're not actively being used (eg, no power |
| * driver or no IRQ line wired up) then acknowledge the |
| * interrupts otherwise suspend won't last very long. |
| */ |
| if (wm831x->charger_irq_wake) { |
| reg = wm831x_reg_read(wm831x, WM831X_INTERRUPT_STATUS_2_MASK); |
| |
| mask = WM831X_CHG_BATT_HOT_EINT | |
| WM831X_CHG_BATT_COLD_EINT | |
| WM831X_CHG_BATT_FAIL_EINT | |
| WM831X_CHG_OV_EINT | WM831X_CHG_END_EINT | |
| WM831X_CHG_TO_EINT | WM831X_CHG_MODE_EINT | |
| WM831X_CHG_START_EINT; |
| |
| /* If any of the interrupts are masked read the statuses */ |
| if (reg & mask) |
| reg = wm831x_reg_read(wm831x, |
| WM831X_INTERRUPT_STATUS_2); |
| |
| if (reg & mask) { |
| dev_info(wm831x->dev, |
| "Acknowledging masked charger IRQs: %x\n", |
| reg & mask); |
| wm831x_reg_write(wm831x, WM831X_INTERRUPT_STATUS_2, |
| reg & mask); |
| } |
| } |
| |
| return 0; |
| } |
| |
| void wm831x_device_shutdown(struct wm831x *wm831x) |
| { |
| if (wm831x->soft_shutdown) { |
| dev_info(wm831x->dev, "Initiating shutdown...\n"); |
| wm831x_set_bits(wm831x, WM831X_POWER_STATE, WM831X_CHIP_ON, 0); |
| } |
| } |
| EXPORT_SYMBOL_GPL(wm831x_device_shutdown); |