609 lines
16 KiB
C
609 lines
16 KiB
C
/*
|
|
* max77854.c - mfd core driver for the Maxim 77854
|
|
*
|
|
* Copyright (C) 2011 Samsung Electronics
|
|
* SeoYoung Jeong <seo0.jeong@samsung.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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* This driver is based on max8997.c
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/mfd/core.h>
|
|
#include <linux/mfd/max77854.h>
|
|
#include <linux/mfd/max77854-private.h>
|
|
#include <linux/regulator/machine.h>
|
|
|
|
#include <linux/muic/muic.h>
|
|
#include <linux/muic/max77854-muic-hv-typedef.h>
|
|
#include <linux/muic/max77854-muic.h>
|
|
|
|
#if defined (CONFIG_OF)
|
|
#include <linux/of_device.h>
|
|
#include <linux/of_gpio.h>
|
|
#include <linux/pinctrl/consumer.h>
|
|
#endif /* CONFIG_OF */
|
|
|
|
#define I2C_ADDR_PMIC (0x92 >> 1) /* Top sys, Haptic */
|
|
#define I2C_ADDR_MUIC (0x4A >> 1)
|
|
#define I2C_ADDR_CHG (0xD2 >> 1)
|
|
#define I2C_ADDR_FG (0x6C >> 1)
|
|
|
|
static struct mfd_cell max77854_devs[] = {
|
|
#if defined(CONFIG_MUIC_UNIVERSAL)
|
|
{ .name = "muic-universal", },
|
|
#endif /* CONFIG_MUIC_UNIVERSAL */
|
|
#if defined(CONFIG_MUIC_MAX77854)
|
|
{ .name = MUIC_DEV_NAME, },
|
|
#endif /* CONFIG_MUIC_MAX77854 */
|
|
#if defined(CONFIG_REGULATOR_MAX77854)
|
|
{ .name = "max77854-safeout", },
|
|
#endif /* CONFIG_REGULATOR_MAX77854 */
|
|
#if defined(CONFIG_FUELGAUGE_MAX77854)
|
|
{ .name = "max77854-fuelgauge", },
|
|
#endif
|
|
#if defined(CONFIG_CHARGER_MAX77854)
|
|
{ .name = "max77854-charger", },
|
|
#endif
|
|
#if defined(CONFIG_MOTOR_DRV_MAX77854)
|
|
{ .name = "max77854-haptic", },
|
|
#endif /* CONFIG_MAX77854_HAPTIC */
|
|
#if defined(CONFIG_LEDS_MAX77854_RGB)
|
|
{ .name = "leds-max77854-rgb", },
|
|
#endif /* CONFIG_LEDS_MAX77854_RGB */
|
|
#if defined(CONFIG_LEDS_MAX77854_FLASH)
|
|
{ .name = "max77854-flash", },
|
|
#endif
|
|
};
|
|
|
|
int max77854_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest)
|
|
{
|
|
struct max77854_dev *max77854 = i2c_get_clientdata(i2c);
|
|
int ret;
|
|
|
|
mutex_lock(&max77854->i2c_lock);
|
|
ret = i2c_smbus_read_byte_data(i2c, reg);
|
|
mutex_unlock(&max77854->i2c_lock);
|
|
if (ret < 0) {
|
|
pr_info("%s:%s reg(0x%x), ret(%d)\n", MFD_DEV_NAME, __func__, reg, ret);
|
|
return ret;
|
|
}
|
|
|
|
ret &= 0xff;
|
|
*dest = ret;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(max77854_read_reg);
|
|
|
|
int max77854_bulk_read(struct i2c_client *i2c, u8 reg, int count, u8 *buf)
|
|
{
|
|
struct max77854_dev *max77854 = i2c_get_clientdata(i2c);
|
|
int ret;
|
|
|
|
mutex_lock(&max77854->i2c_lock);
|
|
ret = i2c_smbus_read_i2c_block_data(i2c, reg, count, buf);
|
|
mutex_unlock(&max77854->i2c_lock);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(max77854_bulk_read);
|
|
|
|
int max77854_read_word(struct i2c_client *i2c, u8 reg)
|
|
{
|
|
struct max77854_dev *max77854 = i2c_get_clientdata(i2c);
|
|
int ret;
|
|
|
|
mutex_lock(&max77854->i2c_lock);
|
|
ret = i2c_smbus_read_word_data(i2c, reg);
|
|
mutex_unlock(&max77854->i2c_lock);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL_GPL(max77854_read_word);
|
|
|
|
int max77854_write_reg(struct i2c_client *i2c, u8 reg, u8 value)
|
|
{
|
|
struct max77854_dev *max77854 = i2c_get_clientdata(i2c);
|
|
int ret;
|
|
|
|
mutex_lock(&max77854->i2c_lock);
|
|
ret = i2c_smbus_write_byte_data(i2c, reg, value);
|
|
mutex_unlock(&max77854->i2c_lock);
|
|
if (ret < 0)
|
|
pr_info("%s:%s reg(0x%x), ret(%d)\n",
|
|
MFD_DEV_NAME, __func__, reg, ret);
|
|
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL_GPL(max77854_write_reg);
|
|
|
|
int max77854_bulk_write(struct i2c_client *i2c, u8 reg, int count, u8 *buf)
|
|
{
|
|
struct max77854_dev *max77854 = i2c_get_clientdata(i2c);
|
|
int ret;
|
|
|
|
mutex_lock(&max77854->i2c_lock);
|
|
ret = i2c_smbus_write_i2c_block_data(i2c, reg, count, buf);
|
|
mutex_unlock(&max77854->i2c_lock);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(max77854_bulk_write);
|
|
|
|
int max77854_write_word(struct i2c_client *i2c, u8 reg, u16 value)
|
|
{
|
|
struct max77854_dev *max77854 = i2c_get_clientdata(i2c);
|
|
int ret;
|
|
|
|
mutex_lock(&max77854->i2c_lock);
|
|
ret = i2c_smbus_write_word_data(i2c, reg, value);
|
|
mutex_unlock(&max77854->i2c_lock);
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(max77854_write_word);
|
|
|
|
int max77854_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask)
|
|
{
|
|
struct max77854_dev *max77854 = i2c_get_clientdata(i2c);
|
|
int ret;
|
|
|
|
mutex_lock(&max77854->i2c_lock);
|
|
ret = i2c_smbus_read_byte_data(i2c, reg);
|
|
if (ret >= 0) {
|
|
u8 old_val = ret & 0xff;
|
|
u8 new_val = (val & mask) | (old_val & (~mask));
|
|
ret = i2c_smbus_write_byte_data(i2c, reg, new_val);
|
|
}
|
|
mutex_unlock(&max77854->i2c_lock);
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL_GPL(max77854_update_reg);
|
|
|
|
#if defined(CONFIG_OF)
|
|
static int of_max77854_dt(struct device *dev, struct max77854_platform_data *pdata)
|
|
{
|
|
struct device_node *np_max77854 = dev->of_node;
|
|
|
|
if(!np_max77854)
|
|
return -EINVAL;
|
|
|
|
pdata->irq_gpio = of_get_named_gpio(np_max77854, "max77854,irq-gpio", 0);
|
|
pdata->wakeup = of_property_read_bool(np_max77854, "max77854,wakeup");
|
|
|
|
pr_info("%s: irq-gpio: %u \n", __func__, pdata->irq_gpio);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int max77854_pinctrl_select(struct max77854_dev *max77854, bool on) {
|
|
struct pinctrl_state *pins_i2c_state;
|
|
int ret;
|
|
|
|
pins_i2c_state = on ? max77854->i2c_gpio_state_active
|
|
: max77854->i2c_gpio_state_suspend;
|
|
|
|
if (!IS_ERR_OR_NULL(pins_i2c_state)) {
|
|
ret = pinctrl_select_state(max77854->i2c_pinctrl, pins_i2c_state);
|
|
if(ret) {
|
|
dev_err(max77854->dev, "%s: Failed to set max77854 i2c pin state.\n", __func__);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int max77854_i2c_pinctrl_init(struct max77854_dev *max77854) {
|
|
int ret = 0;
|
|
struct pinctrl *i2c_pinctrl;
|
|
|
|
max77854->i2c_pinctrl = devm_pinctrl_get(&max77854->i2c->dev);
|
|
if (IS_ERR_OR_NULL(max77854->i2c_pinctrl)) {
|
|
dev_err(max77854->dev, "%s: Failed to alloc mem for max77854 i2c pinctrl.\n", __func__);
|
|
ret = PTR_ERR(max77854->i2c_pinctrl);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
i2c_pinctrl = max77854->i2c_pinctrl;
|
|
|
|
max77854->i2c_gpio_state_active = pinctrl_lookup_state(i2c_pinctrl, "max77854_active");
|
|
if (IS_ERR_OR_NULL(max77854->i2c_gpio_state_active)) {
|
|
dev_err(max77854->dev, "%s: Failed to set active state for max77854 i2c\n", __func__);
|
|
ret = PTR_ERR(max77854->i2c_gpio_state_active);
|
|
goto err_i2c_active_state;
|
|
}
|
|
|
|
max77854->i2c_gpio_state_suspend = pinctrl_lookup_state(i2c_pinctrl, "max77854_suspend");
|
|
if (IS_ERR_OR_NULL(max77854->i2c_gpio_state_suspend)) {
|
|
dev_err(max77854->dev, "%s: Failed to set suspend state for max77854 i2c\n", __func__);
|
|
ret = PTR_ERR(max77854->i2c_gpio_state_suspend);
|
|
goto err_i2c_suspend_state;
|
|
}
|
|
|
|
#if defined(CONFIG_OF)
|
|
max77854_pinctrl_select(max77854, true);
|
|
#endif
|
|
return ret;
|
|
|
|
err_i2c_suspend_state:
|
|
max77854->i2c_gpio_state_suspend = 0;
|
|
err_i2c_active_state:
|
|
max77854->i2c_gpio_state_active = 0;
|
|
return ret;
|
|
}
|
|
#else
|
|
static int of_max77854_dt(struct device *dev, struct max77854_platform_data *pdata)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_OF */
|
|
|
|
static int max77854_i2c_probe(struct i2c_client *i2c,
|
|
const struct i2c_device_id *dev_id)
|
|
{
|
|
struct max77854_dev *max77854;
|
|
struct max77854_platform_data *pdata = i2c->dev.platform_data;
|
|
|
|
u8 reg_data;
|
|
int ret = 0;
|
|
|
|
pr_info("%s:%s\n", MFD_DEV_NAME, __func__);
|
|
|
|
max77854 = kzalloc(sizeof(struct max77854_dev), GFP_KERNEL);
|
|
if (!max77854) {
|
|
dev_err(&i2c->dev, "%s: Failed to alloc mem for max77854\n", __func__);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
if (i2c->dev.of_node) {
|
|
pdata = devm_kzalloc(&i2c->dev, sizeof(struct max77854_platform_data),
|
|
GFP_KERNEL);
|
|
if (!pdata) {
|
|
dev_err(&i2c->dev, "Failed to allocate memory \n");
|
|
ret = -ENOMEM;
|
|
goto err;
|
|
}
|
|
|
|
ret = of_max77854_dt(&i2c->dev, pdata);
|
|
if (ret < 0){
|
|
dev_err(&i2c->dev, "Failed to get device of_node \n");
|
|
goto err;
|
|
}
|
|
|
|
i2c->dev.platform_data = pdata;
|
|
} else
|
|
pdata = i2c->dev.platform_data;
|
|
|
|
max77854->dev = &i2c->dev;
|
|
max77854->i2c = i2c;
|
|
max77854->irq = i2c->irq;
|
|
if (pdata) {
|
|
max77854->pdata = pdata;
|
|
|
|
pdata->irq_base = irq_alloc_descs(-1, 0, MAX77854_IRQ_NR, -1);
|
|
if (pdata->irq_base < 0) {
|
|
pr_err("%s:%s irq_alloc_descs Fail! ret(%d)\n",
|
|
MFD_DEV_NAME, __func__, pdata->irq_base);
|
|
ret = -EINVAL;
|
|
goto err;
|
|
} else
|
|
max77854->irq_base = pdata->irq_base;
|
|
|
|
max77854->irq_gpio = pdata->irq_gpio;
|
|
max77854->wakeup = pdata->wakeup;
|
|
} else {
|
|
ret = -EINVAL;
|
|
goto err;
|
|
}
|
|
mutex_init(&max77854->i2c_lock);
|
|
|
|
i2c_set_clientdata(i2c, max77854);
|
|
|
|
if (max77854_read_reg(i2c, MAX77854_PMIC_REG_PMICREV, ®_data) < 0) {
|
|
dev_err(max77854->dev,
|
|
"device not found on this channel (this is not an error)\n");
|
|
ret = -ENODEV;
|
|
goto err_w_lock;
|
|
} else {
|
|
/* print rev */
|
|
max77854->pmic_rev = (reg_data & 0x7);
|
|
max77854->pmic_ver = ((reg_data & 0xF8) >> 0x3);
|
|
pr_info("%s:%s device found: rev.0x%x, ver.0x%x\n",
|
|
MFD_DEV_NAME, __func__,
|
|
max77854->pmic_rev, max77854->pmic_ver);
|
|
}
|
|
|
|
#if defined(CONFIG_OF)
|
|
/* Initialize pinctrl for i2c & irq */
|
|
ret = max77854_i2c_pinctrl_init(max77854);
|
|
if(ret) {
|
|
dev_err(max77854->dev,
|
|
"device not found on this channel (this is not an error)\n");
|
|
/* if pnictrl is not supported, -EINVAL is returned*/
|
|
if(ret == -EINVAL)
|
|
ret = 0;
|
|
} else {
|
|
pr_info("%s:%s max77854 pinctrl is succeed.\n", MFD_DEV_NAME, __func__);
|
|
}
|
|
#endif
|
|
|
|
/* No active discharge on safeout ldo 1,2 */
|
|
max77854_update_reg(i2c, MAX77854_PMIC_REG_SAFEOUT_CTRL, 0x00, 0x30);
|
|
|
|
max77854->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
|
|
i2c_set_clientdata(max77854->muic, max77854);
|
|
|
|
max77854->charger = i2c_new_dummy(i2c->adapter, I2C_ADDR_CHG);
|
|
i2c_set_clientdata(max77854->charger, max77854);
|
|
|
|
max77854->fuelgauge = i2c_new_dummy(i2c->adapter, I2C_ADDR_FG);
|
|
i2c_set_clientdata(max77854->fuelgauge, max77854);
|
|
|
|
ret = max77854_irq_init(max77854);
|
|
|
|
if (ret < 0)
|
|
goto err_irq_init;
|
|
|
|
ret = mfd_add_devices(max77854->dev, -1, max77854_devs,
|
|
ARRAY_SIZE(max77854_devs), NULL, 0, NULL);
|
|
if (ret < 0)
|
|
goto err_mfd;
|
|
|
|
device_init_wakeup(max77854->dev, pdata->wakeup);
|
|
|
|
return ret;
|
|
|
|
err_mfd:
|
|
mfd_remove_devices(max77854->dev);
|
|
err_irq_init:
|
|
i2c_unregister_device(max77854->muic);
|
|
err_w_lock:
|
|
mutex_destroy(&max77854->i2c_lock);
|
|
err:
|
|
kfree(max77854);
|
|
return ret;
|
|
}
|
|
|
|
static int max77854_i2c_remove(struct i2c_client *i2c)
|
|
{
|
|
struct max77854_dev *max77854 = i2c_get_clientdata(i2c);
|
|
|
|
mfd_remove_devices(max77854->dev);
|
|
i2c_unregister_device(max77854->muic);
|
|
kfree(max77854);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id max77854_i2c_id[] = {
|
|
{ MFD_DEV_NAME, TYPE_MAX77854 },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, max77854_i2c_id);
|
|
|
|
#if defined(CONFIG_OF)
|
|
static struct of_device_id max77854_i2c_dt_ids[] = {
|
|
{ .compatible = "maxim,max77854" },
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE(of, max77854_i2c_dt_ids);
|
|
#endif /* CONFIG_OF */
|
|
|
|
#if defined(CONFIG_PM)
|
|
static int max77854_suspend(struct device *dev)
|
|
{
|
|
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
|
|
struct max77854_dev *max77854 = i2c_get_clientdata(i2c);
|
|
|
|
if (device_may_wakeup(dev))
|
|
enable_irq_wake(max77854->irq);
|
|
|
|
disable_irq(max77854->irq);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int max77854_resume(struct device *dev)
|
|
{
|
|
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
|
|
struct max77854_dev *max77854 = i2c_get_clientdata(i2c);
|
|
|
|
#if !defined(CONFIG_SAMSUNG_PRODUCT_SHIP)
|
|
pr_info("%s:%s\n", MFD_DEV_NAME, __func__);
|
|
#endif /* CONFIG_SAMSUNG_PRODUCT_SHIP */
|
|
|
|
if (device_may_wakeup(dev))
|
|
disable_irq_wake(max77854->irq);
|
|
|
|
enable_irq(max77854->irq);
|
|
|
|
return 0;
|
|
}
|
|
#else
|
|
#define max77854_suspend NULL
|
|
#define max77854_resume NULL
|
|
#endif /* CONFIG_PM */
|
|
|
|
#ifdef CONFIG_HIBERNATION
|
|
|
|
/*
|
|
u8 max77854_dumpaddr_pmic[] = {
|
|
#if 0
|
|
MAX77854_LED_REG_IFLASH,
|
|
MAX77854_LED_REG_IFLASH1,
|
|
MAX77854_LED_REG_IFLASH2,
|
|
MAX77854_LED_REG_ITORCH,
|
|
MAX77854_LED_REG_ITORCHTORCHTIMER,
|
|
MAX77854_LED_REG_FLASH_TIMER,
|
|
MAX77854_LED_REG_FLASH_EN,
|
|
MAX77854_LED_REG_MAX_FLASH1,
|
|
MAX77854_LED_REG_MAX_FLASH2,
|
|
MAX77854_LED_REG_VOUT_CNTL,
|
|
MAX77854_LED_REG_VOUT_FLASH,
|
|
MAX77854_LED_REG_VOUT_FLASH1,
|
|
MAX77854_LED_REG_FLASH_INT_STATUS,
|
|
#endif
|
|
MAX77854_PMIC_REG_PMICID1,
|
|
MAX77854_PMIC_REG_PMICREV,
|
|
MAX77854_PMIC_REG_MAINCTRL1,
|
|
MAX77854_PMIC_REG_MCONFIG,
|
|
};
|
|
*/
|
|
|
|
u8 max77854_dumpaddr_muic[] = {
|
|
MAX77854_MUIC_REG_INTMASK1,
|
|
MAX77854_MUIC_REG_INTMASK2,
|
|
MAX77854_MUIC_REG_INTMASK3,
|
|
MAX77854_MUIC_REG_CDETCTRL1,
|
|
MAX77854_MUIC_REG_CDETCTRL2,
|
|
MAX77854_MUIC_REG_CTRL1,
|
|
MAX77854_MUIC_REG_CTRL2,
|
|
MAX77854_MUIC_REG_CTRL3,
|
|
};
|
|
|
|
/*
|
|
u8 max77854_dumpaddr_haptic[] = {
|
|
MAX77854_HAPTIC_REG_CONFIG1,
|
|
MAX77854_HAPTIC_REG_CONFIG2,
|
|
MAX77854_HAPTIC_REG_CONFIG_CHNL,
|
|
MAX77854_HAPTIC_REG_CONFG_CYC1,
|
|
MAX77854_HAPTIC_REG_CONFG_CYC2,
|
|
MAX77854_HAPTIC_REG_CONFIG_PER1,
|
|
MAX77854_HAPTIC_REG_CONFIG_PER2,
|
|
MAX77854_HAPTIC_REG_CONFIG_PER3,
|
|
MAX77854_HAPTIC_REG_CONFIG_PER4,
|
|
MAX77854_HAPTIC_REG_CONFIG_DUTY1,
|
|
MAX77854_HAPTIC_REG_CONFIG_DUTY2,
|
|
MAX77854_HAPTIC_REG_CONFIG_PWM1,
|
|
MAX77854_HAPTIC_REG_CONFIG_PWM2,
|
|
MAX77854_HAPTIC_REG_CONFIG_PWM3,
|
|
MAX77854_HAPTIC_REG_CONFIG_PWM4,
|
|
};
|
|
*/
|
|
|
|
u8 max77854_dumpaddr_led[] = {
|
|
MAX77854_RGBLED_REG_LEDEN,
|
|
MAX77854_RGBLED_REG_LED0BRT,
|
|
MAX77854_RGBLED_REG_LED1BRT,
|
|
MAX77854_RGBLED_REG_LED2BRT,
|
|
MAX77854_RGBLED_REG_LED3BRT,
|
|
MAX77854_RGBLED_REG_LEDBLNK,
|
|
MAX77854_RGBLED_REG_LEDRMP,
|
|
};
|
|
|
|
static int max77854_freeze(struct device *dev)
|
|
{
|
|
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
|
|
struct max77854_dev *max77854 = i2c_get_clientdata(i2c);
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(max77854_dumpaddr_pmic); i++)
|
|
max77854_read_reg(i2c, max77854_dumpaddr_pmic[i],
|
|
&max77854->reg_pmic_dump[i]);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(max77854_dumpaddr_muic); i++)
|
|
max77854_read_reg(i2c, max77854_dumpaddr_muic[i],
|
|
&max77854->reg_muic_dump[i]);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(max77854_dumpaddr_led); i++)
|
|
max77854_read_reg(i2c, max77854_dumpaddr_led[i],
|
|
&max77854->reg_led_dump[i]);
|
|
|
|
disable_irq(max77854->irq);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int max77854_restore(struct device *dev)
|
|
{
|
|
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
|
|
struct max77854_dev *max77854 = i2c_get_clientdata(i2c);
|
|
int i;
|
|
|
|
enable_irq(max77854->irq);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(max77854_dumpaddr_pmic); i++)
|
|
max77854_write_reg(i2c, max77854_dumpaddr_pmic[i],
|
|
max77854->reg_pmic_dump[i]);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(max77854_dumpaddr_muic); i++)
|
|
max77854_write_reg(i2c, max77854_dumpaddr_muic[i],
|
|
max77854->reg_muic_dump[i]);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(max77854_dumpaddr_led); i++)
|
|
max77854_write_reg(i2c, max77854_dumpaddr_led[i],
|
|
max77854->reg_led_dump[i]);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
const struct dev_pm_ops max77854_pm = {
|
|
.suspend = max77854_suspend,
|
|
.resume = max77854_resume,
|
|
#ifdef CONFIG_HIBERNATION
|
|
.freeze = max77854_freeze,
|
|
.thaw = max77854_restore,
|
|
.restore = max77854_restore,
|
|
#endif
|
|
};
|
|
|
|
static struct i2c_driver max77854_i2c_driver = {
|
|
.driver = {
|
|
.name = MFD_DEV_NAME,
|
|
.owner = THIS_MODULE,
|
|
#if defined(CONFIG_PM)
|
|
.pm = &max77854_pm,
|
|
#endif /* CONFIG_PM */
|
|
#if defined(CONFIG_OF)
|
|
.of_match_table = max77854_i2c_dt_ids,
|
|
#endif /* CONFIG_OF */
|
|
},
|
|
.probe = max77854_i2c_probe,
|
|
.remove = max77854_i2c_remove,
|
|
.id_table = max77854_i2c_id,
|
|
};
|
|
|
|
static int __init max77854_i2c_init(void)
|
|
{
|
|
pr_info("%s:%s\n", MFD_DEV_NAME, __func__);
|
|
return i2c_add_driver(&max77854_i2c_driver);
|
|
}
|
|
/* init early so consumer devices can complete system boot */
|
|
subsys_initcall(max77854_i2c_init);
|
|
|
|
static void __exit max77854_i2c_exit(void)
|
|
{
|
|
i2c_del_driver(&max77854_i2c_driver);
|
|
}
|
|
module_exit(max77854_i2c_exit);
|
|
|
|
MODULE_DESCRIPTION("MAXIM 77843 multi-function core driver");
|
|
MODULE_AUTHOR("SeoYoung Jeong <seo0.jeong@samsung.com>");
|
|
MODULE_LICENSE("GPL");
|