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/*
* Device access for Dialog DA9055 PMICs.
*
* Copyright(c) 2012 Dialog Semiconductor Ltd.
*
* Author: David Dajun Chen <dchen@diasemi.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/module.h>
#include <linux/device.h>
#include <linux/input.h>
#include <linux/irq.h>
#include <linux/mutex.h>
#include <linux/mfd/core.h>
#include <linux/mfd/da9055/core.h>
#include <linux/mfd/da9055/pdata.h>
#include <linux/mfd/da9055/reg.h>
#define DA9055_IRQ_NONKEY_MASK 0x01
#define DA9055_IRQ_ALM_MASK 0x02
#define DA9055_IRQ_TICK_MASK 0x04
#define DA9055_IRQ_ADC_MASK 0x08
#define DA9055_IRQ_BUCK_ILIM_MASK 0x08
static bool da9055_register_readable(struct device *dev, unsigned int reg)
{
switch (reg) {
case DA9055_REG_STATUS_A:
case DA9055_REG_STATUS_B:
case DA9055_REG_EVENT_A:
case DA9055_REG_EVENT_B:
case DA9055_REG_EVENT_C:
case DA9055_REG_IRQ_MASK_A:
case DA9055_REG_IRQ_MASK_B:
case DA9055_REG_IRQ_MASK_C:
case DA9055_REG_CONTROL_A:
case DA9055_REG_CONTROL_B:
case DA9055_REG_CONTROL_C:
case DA9055_REG_CONTROL_D:
case DA9055_REG_CONTROL_E:
case DA9055_REG_ADC_MAN:
case DA9055_REG_ADC_CONT:
case DA9055_REG_VSYS_MON:
case DA9055_REG_ADC_RES_L:
case DA9055_REG_ADC_RES_H:
case DA9055_REG_VSYS_RES:
case DA9055_REG_ADCIN1_RES:
case DA9055_REG_ADCIN2_RES:
case DA9055_REG_ADCIN3_RES:
case DA9055_REG_COUNT_S:
case DA9055_REG_COUNT_MI:
case DA9055_REG_COUNT_H:
case DA9055_REG_COUNT_D:
case DA9055_REG_COUNT_MO:
case DA9055_REG_COUNT_Y:
case DA9055_REG_ALARM_H:
case DA9055_REG_ALARM_D:
case DA9055_REG_ALARM_MI:
case DA9055_REG_ALARM_MO:
case DA9055_REG_ALARM_Y:
case DA9055_REG_GPIO0_1:
case DA9055_REG_GPIO2:
case DA9055_REG_GPIO_MODE0_2:
case DA9055_REG_BCORE_CONT:
case DA9055_REG_BMEM_CONT:
case DA9055_REG_LDO1_CONT:
case DA9055_REG_LDO2_CONT:
case DA9055_REG_LDO3_CONT:
case DA9055_REG_LDO4_CONT:
case DA9055_REG_LDO5_CONT:
case DA9055_REG_LDO6_CONT:
case DA9055_REG_BUCK_LIM:
case DA9055_REG_BCORE_MODE:
case DA9055_REG_VBCORE_A:
case DA9055_REG_VBMEM_A:
case DA9055_REG_VLDO1_A:
case DA9055_REG_VLDO2_A:
case DA9055_REG_VLDO3_A:
case DA9055_REG_VLDO4_A:
case DA9055_REG_VLDO5_A:
case DA9055_REG_VLDO6_A:
case DA9055_REG_VBCORE_B:
case DA9055_REG_VBMEM_B:
case DA9055_REG_VLDO1_B:
case DA9055_REG_VLDO2_B:
case DA9055_REG_VLDO3_B:
case DA9055_REG_VLDO4_B:
case DA9055_REG_VLDO5_B:
case DA9055_REG_VLDO6_B:
return true;
default:
return false;
}
}
static bool da9055_register_writeable(struct device *dev, unsigned int reg)
{
switch (reg) {
case DA9055_REG_STATUS_A:
case DA9055_REG_STATUS_B:
case DA9055_REG_EVENT_A:
case DA9055_REG_EVENT_B:
case DA9055_REG_EVENT_C:
case DA9055_REG_IRQ_MASK_A:
case DA9055_REG_IRQ_MASK_B:
case DA9055_REG_IRQ_MASK_C:
case DA9055_REG_CONTROL_A:
case DA9055_REG_CONTROL_B:
case DA9055_REG_CONTROL_C:
case DA9055_REG_CONTROL_D:
case DA9055_REG_CONTROL_E:
case DA9055_REG_ADC_MAN:
case DA9055_REG_ADC_CONT:
case DA9055_REG_VSYS_MON:
case DA9055_REG_ADC_RES_L:
case DA9055_REG_ADC_RES_H:
case DA9055_REG_VSYS_RES:
case DA9055_REG_ADCIN1_RES:
case DA9055_REG_ADCIN2_RES:
case DA9055_REG_ADCIN3_RES:
case DA9055_REG_COUNT_S:
case DA9055_REG_COUNT_MI:
case DA9055_REG_COUNT_H:
case DA9055_REG_COUNT_D:
case DA9055_REG_COUNT_MO:
case DA9055_REG_COUNT_Y:
case DA9055_REG_ALARM_H:
case DA9055_REG_ALARM_D:
case DA9055_REG_ALARM_MI:
case DA9055_REG_ALARM_MO:
case DA9055_REG_ALARM_Y:
case DA9055_REG_GPIO0_1:
case DA9055_REG_GPIO2:
case DA9055_REG_GPIO_MODE0_2:
case DA9055_REG_BCORE_CONT:
case DA9055_REG_BMEM_CONT:
case DA9055_REG_LDO1_CONT:
case DA9055_REG_LDO2_CONT:
case DA9055_REG_LDO3_CONT:
case DA9055_REG_LDO4_CONT:
case DA9055_REG_LDO5_CONT:
case DA9055_REG_LDO6_CONT:
case DA9055_REG_BUCK_LIM:
case DA9055_REG_BCORE_MODE:
case DA9055_REG_VBCORE_A:
case DA9055_REG_VBMEM_A:
case DA9055_REG_VLDO1_A:
case DA9055_REG_VLDO2_A:
case DA9055_REG_VLDO3_A:
case DA9055_REG_VLDO4_A:
case DA9055_REG_VLDO5_A:
case DA9055_REG_VLDO6_A:
case DA9055_REG_VBCORE_B:
case DA9055_REG_VBMEM_B:
case DA9055_REG_VLDO1_B:
case DA9055_REG_VLDO2_B:
case DA9055_REG_VLDO3_B:
case DA9055_REG_VLDO4_B:
case DA9055_REG_VLDO5_B:
case DA9055_REG_VLDO6_B:
return true;
default:
return false;
}
}
static bool da9055_register_volatile(struct device *dev, unsigned int reg)
{
switch (reg) {
case DA9055_REG_STATUS_A:
case DA9055_REG_STATUS_B:
case DA9055_REG_EVENT_A:
case DA9055_REG_EVENT_B:
case DA9055_REG_EVENT_C:
case DA9055_REG_CONTROL_A:
case DA9055_REG_CONTROL_E:
case DA9055_REG_ADC_MAN:
case DA9055_REG_ADC_RES_L:
case DA9055_REG_ADC_RES_H:
case DA9055_REG_VSYS_RES:
case DA9055_REG_ADCIN1_RES:
case DA9055_REG_ADCIN2_RES:
case DA9055_REG_ADCIN3_RES:
case DA9055_REG_COUNT_S:
case DA9055_REG_COUNT_MI:
case DA9055_REG_COUNT_H:
case DA9055_REG_COUNT_D:
case DA9055_REG_COUNT_MO:
case DA9055_REG_COUNT_Y:
case DA9055_REG_ALARM_MI:
case DA9055_REG_BCORE_CONT:
case DA9055_REG_BMEM_CONT:
case DA9055_REG_LDO1_CONT:
case DA9055_REG_LDO2_CONT:
case DA9055_REG_LDO3_CONT:
case DA9055_REG_LDO4_CONT:
case DA9055_REG_LDO5_CONT:
case DA9055_REG_LDO6_CONT:
return true;
default:
return false;
}
}
static struct regmap_irq da9055_irqs[] = {
[DA9055_IRQ_NONKEY] = {
.reg_offset = 0,
.mask = DA9055_IRQ_NONKEY_MASK,
},
[DA9055_IRQ_ALARM] = {
.reg_offset = 0,
.mask = DA9055_IRQ_ALM_MASK,
},
[DA9055_IRQ_TICK] = {
.reg_offset = 0,
.mask = DA9055_IRQ_TICK_MASK,
},
[DA9055_IRQ_HWMON] = {
.reg_offset = 0,
.mask = DA9055_IRQ_ADC_MASK,
},
[DA9055_IRQ_REGULATOR] = {
.reg_offset = 1,
.mask = DA9055_IRQ_BUCK_ILIM_MASK,
},
};
struct regmap_config da9055_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.cache_type = REGCACHE_RBTREE,
.max_register = DA9055_MAX_REGISTER_CNT,
.readable_reg = da9055_register_readable,
.writeable_reg = da9055_register_writeable,
.volatile_reg = da9055_register_volatile,
};
EXPORT_SYMBOL_GPL(da9055_regmap_config);
static struct resource da9055_onkey_resource = {
.name = "ONKEY",
.start = DA9055_IRQ_NONKEY,
.end = DA9055_IRQ_NONKEY,
.flags = IORESOURCE_IRQ,
};
static struct resource da9055_rtc_resource[] = {
{
.name = "ALM",
.start = DA9055_IRQ_ALARM,
.end = DA9055_IRQ_ALARM,
.flags = IORESOURCE_IRQ,
},
{
.name = "TICK",
.start = DA9055_IRQ_TICK,
.end = DA9055_IRQ_TICK,
.flags = IORESOURCE_IRQ,
},
};
static struct resource da9055_hwmon_resource = {
.name = "HWMON",
.start = DA9055_IRQ_HWMON,
.end = DA9055_IRQ_HWMON,
.flags = IORESOURCE_IRQ,
};
static struct resource da9055_ld05_6_resource = {
.name = "REGULATOR",
.start = DA9055_IRQ_REGULATOR,
.end = DA9055_IRQ_REGULATOR,
.flags = IORESOURCE_IRQ,
};
static const struct mfd_cell da9055_devs[] = {
{
.of_compatible = "dialog,da9055-gpio",
.name = "da9055-gpio",
},
{
.of_compatible = "dialog,da9055-regulator",
.name = "da9055-regulator",
.id = 1,
},
{
.of_compatible = "dialog,da9055-regulator",
.name = "da9055-regulator",
.id = 2,
},
{
.of_compatible = "dialog,da9055-regulator",
.name = "da9055-regulator",
.id = 3,
},
{
.of_compatible = "dialog,da9055-regulator",
.name
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