717 lines
18 KiB
C
717 lines
18 KiB
C
/*
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* max77833.c - mfd core driver for the Maxim 77833
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*
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* Copyright (C) 2011 Samsung Electronics
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* SeoYoung Jeong <seo0.jeong@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* This driver is based on max8997.c
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*/
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/i2c.h>
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#include <linux/irq.h>
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#include <linux/interrupt.h>
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#include <linux/mutex.h>
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#include <linux/mfd/core.h>
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#include <linux/mfd/max77833.h>
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#include <linux/mfd/max77833-private.h>
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#include <linux/regulator/machine.h>
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#include <linux/muic/muic.h>
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#include <linux/muic/max77833-muic.h>
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#if defined (CONFIG_OF)
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#include <linux/of_device.h>
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#include <linux/of_gpio.h>
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#include <linux/pinctrl/consumer.h>
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#endif /* CONFIG_OF */
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#define I2C_ADDR_PMIC (0x92 >> 1) /* Top sys, Haptic */
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#define I2C_ADDR_MUIC (0x4A >> 1)
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#define I2C_ADDR_FG (0x6C >> 1)
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static struct mfd_cell max77833_devs[] = {
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#if defined(CONFIG_MUIC_MAX77833)
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{ .name = MUIC_DEV_NAME, },
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#endif /* CONFIG_MUIC_MAX77833 */
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#if defined(CONFIG_REGULATOR_MAX77833)
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{ .name = "max77833-safeout", },
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#endif /* CONFIG_REGULATOR_MAX77833 */
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#if defined(CONFIG_FUELGAUGE_MAX77833)
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{ .name = "max77833-fuelgauge", },
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#endif
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#if defined(CONFIG_CHARGER_MAX77833)
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{ .name = "max77833-charger", },
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#endif
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#if defined(CONFIG_MOTOR_DRV_MAX77833)
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{ .name = "max77833-haptic", },
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#endif /* CONFIG_MAX77833_HAPTIC */
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#if defined(CONFIG_LEDS_MAX77833_RGB)
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{ .name = "leds-max77833-rgb", },
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#endif /* CONFIG_LEDS_MAX77833_RGB */
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#if defined(CONFIG_LEDS_MAX77833_FLASH)
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{ .name = "max77833-flash", },
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#endif
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};
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#if defined(CONFIG_WIRELESS_FIRMWARE_UPDATE)
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extern int p9220_otp_update;
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#endif
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int max77833_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest)
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{
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struct max77833_dev *max77833 = i2c_get_clientdata(i2c);
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int ret;
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#if defined(CONFIG_WIRELESS_FIRMWARE_UPDATE)
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if(p9220_otp_update) {
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pr_info("%s:%s i2c fail dueto opt update\n", MFD_DEV_NAME, __func__);
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return -1;
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}
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#endif
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mutex_lock(&max77833->i2c_lock);
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ret = i2c_smbus_read_byte_data(i2c, reg);
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mutex_unlock(&max77833->i2c_lock);
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if (ret < 0) {
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pr_info("%s:%s reg(0x%x), ret(%d)\n", MFD_DEV_NAME, __func__, reg, ret);
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return ret;
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}
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ret &= 0xff;
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*dest = ret;
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return 0;
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}
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EXPORT_SYMBOL_GPL(max77833_read_reg);
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int max77833_bulk_read(struct i2c_client *i2c, u8 reg, int count, u8 *buf)
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{
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struct max77833_dev *max77833 = i2c_get_clientdata(i2c);
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int ret;
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#if defined(CONFIG_WIRELESS_FIRMWARE_UPDATE)
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if(p9220_otp_update) {
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pr_info("%s:%s i2c fail dueto opt update\n", MFD_DEV_NAME, __func__);
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return -1;
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}
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#endif
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mutex_lock(&max77833->i2c_lock);
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ret = i2c_smbus_read_i2c_block_data(i2c, reg, count, buf);
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mutex_unlock(&max77833->i2c_lock);
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if (ret < 0)
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return ret;
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return 0;
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}
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EXPORT_SYMBOL_GPL(max77833_bulk_read);
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int max77833_read_word(struct i2c_client *i2c, u8 reg)
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{
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struct max77833_dev *max77833 = i2c_get_clientdata(i2c);
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int ret;
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#if defined(CONFIG_WIRELESS_FIRMWARE_UPDATE)
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if(p9220_otp_update) {
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pr_info("%s:%s i2c fail dueto opt update\n", MFD_DEV_NAME, __func__);
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return -1;
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}
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#endif
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mutex_lock(&max77833->i2c_lock);
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ret = i2c_smbus_read_word_data(i2c, reg);
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mutex_unlock(&max77833->i2c_lock);
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if (ret < 0)
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return ret;
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return ret;
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}
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EXPORT_SYMBOL_GPL(max77833_read_word);
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int max77833_write_reg(struct i2c_client *i2c, u8 reg, u8 value)
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{
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struct max77833_dev *max77833 = i2c_get_clientdata(i2c);
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int ret;
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#if defined(CONFIG_WIRELESS_FIRMWARE_UPDATE)
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if(p9220_otp_update) {
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pr_info("%s:%s i2c fail dueto opt update\n", MFD_DEV_NAME, __func__);
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return -1;
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}
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#endif
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mutex_lock(&max77833->i2c_lock);
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ret = i2c_smbus_write_byte_data(i2c, reg, value);
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mutex_unlock(&max77833->i2c_lock);
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if (ret < 0)
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pr_info("%s:%s reg(0x%x), ret(%d)\n",
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MFD_DEV_NAME, __func__, reg, ret);
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return ret;
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}
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EXPORT_SYMBOL_GPL(max77833_write_reg);
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int max77833_bulk_write(struct i2c_client *i2c, u8 reg, int count, u8 *buf)
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{
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struct max77833_dev *max77833 = i2c_get_clientdata(i2c);
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int ret;
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#if defined(CONFIG_WIRELESS_FIRMWARE_UPDATE)
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if(p9220_otp_update) {
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pr_info("%s:%s i2c fail dueto opt update\n", MFD_DEV_NAME, __func__);
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return -1;
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}
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#endif
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mutex_lock(&max77833->i2c_lock);
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ret = i2c_smbus_write_i2c_block_data(i2c, reg, count, buf);
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mutex_unlock(&max77833->i2c_lock);
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if (ret < 0)
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return ret;
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return 0;
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}
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EXPORT_SYMBOL_GPL(max77833_bulk_write);
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int max77833_write_word(struct i2c_client *i2c, u8 reg, u16 value)
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{
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struct max77833_dev *max77833 = i2c_get_clientdata(i2c);
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int ret;
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#if defined(CONFIG_WIRELESS_FIRMWARE_UPDATE)
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if(p9220_otp_update) {
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pr_info("%s:%s i2c fail dueto opt update\n", MFD_DEV_NAME, __func__);
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return -1;
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}
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#endif
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mutex_lock(&max77833->i2c_lock);
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ret = i2c_smbus_write_word_data(i2c, reg, value);
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mutex_unlock(&max77833->i2c_lock);
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if (ret < 0)
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return ret;
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return 0;
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}
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EXPORT_SYMBOL_GPL(max77833_write_word);
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int max77833_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask)
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{
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struct max77833_dev *max77833 = i2c_get_clientdata(i2c);
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int ret;
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#if defined(CONFIG_WIRELESS_FIRMWARE_UPDATE)
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if(p9220_otp_update) {
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pr_info("%s:%s i2c fail dueto opt update\n", MFD_DEV_NAME, __func__);
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return -1;
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}
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#endif
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mutex_lock(&max77833->i2c_lock);
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ret = i2c_smbus_read_byte_data(i2c, reg);
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if (ret >= 0) {
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u8 old_val = ret & 0xff;
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u8 new_val = (val & mask) | (old_val & (~mask));
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ret = i2c_smbus_write_byte_data(i2c, reg, new_val);
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}
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mutex_unlock(&max77833->i2c_lock);
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return ret;
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}
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EXPORT_SYMBOL_GPL(max77833_update_reg);
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int max77833_read_fg(struct i2c_client *i2c, u16 reg, u16 *dest)
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{
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int ret;
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struct i2c_msg msg[2];
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u8 wbuf[2], rbuf[2];
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if (!i2c->adapter) {
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pr_err("%s: Could not find adapter!\n", __func__);
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return -ENODEV;
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}
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msg[0].addr = i2c->addr;
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msg[0].flags = i2c->flags & I2C_M_TEN;
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msg[0].len = 2;
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msg[0].buf = wbuf;
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wbuf[1] = (reg & 0xFF00) >> 8;
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wbuf[0] = (reg & 0xFF);
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msg[1].addr = i2c->addr;
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msg[1].flags = I2C_M_RD;
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msg[1].len = 2;
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msg[1].buf = rbuf;
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ret = i2c_transfer(i2c->adapter, msg, 2);
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if (ret < 0)
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pr_err("%s: i2c treansfer fail", __func__);
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*dest = ((rbuf[1] << 8) | rbuf[0]);
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return ret;
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}
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EXPORT_SYMBOL_GPL(max77833_read_fg);
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int max77833_write_fg(struct i2c_client *i2c, u16 reg, u16 val)
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{
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int ret = 0;
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struct i2c_msg msg[1];
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u8 wbuf[4];
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if (!i2c->adapter) {
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pr_err("%s: Could not find adapter!\n", __func__);
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return -ENODEV;
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}
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#if defined(CONFIG_WIRELESS_FIRMWARE_UPDATE)
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if(p9220_otp_update) {
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pr_info("%s:%s i2c fail dueto opt update\n", MFD_DEV_NAME, __func__);
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return -1;
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}
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#endif
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msg->addr = i2c->addr;
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msg->flags = 0;
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msg->len = 4;
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msg->buf = wbuf;
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wbuf[1] = (reg & 0xFF00) >> 8;
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wbuf[0] = (reg & 0xFF);
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wbuf[3] = (val & 0xFF00) >> 8;
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wbuf[2] = (val & 0xFF);
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ret = i2c_transfer(i2c->adapter, msg, 1);
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if (ret < 0)
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pr_err("%s: i2c treansfer fail(%d)", __func__, ret);
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return ret;
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}
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EXPORT_SYMBOL_GPL(max77833_write_fg);
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#if defined(CONFIG_OF)
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static int of_max77833_dt(struct device *dev, struct max77833_platform_data *pdata)
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{
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struct device_node *np = dev->of_node;
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if(!np)
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return -EINVAL;
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pdata->irq_gpio = of_get_named_gpio(np, "max77833,irq-gpio", 0);
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pdata->wakeup = of_property_read_bool(np, "max77833,wakeup");
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pr_info("%s: irq-gpio: %u \n", __func__, pdata->irq_gpio);
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return 0;
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}
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static int max77833_pinctrl_select(struct max77833_dev *max77833, bool on) {
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struct pinctrl_state *pins_i2c_state;
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int ret;
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pins_i2c_state = on ? max77833->i2c_gpio_state_active
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: max77833->i2c_gpio_state_suspend;
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if (!IS_ERR_OR_NULL(pins_i2c_state)) {
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ret = pinctrl_select_state(max77833->i2c_pinctrl, pins_i2c_state);
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if(ret) {
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dev_err(max77833->dev, "%s: Failed to set max77833 i2c pin state.\n", __func__);
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return ret;
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}
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}
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return 0;
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}
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static int max77833_i2c_pinctrl_init(struct max77833_dev *max77833) {
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int ret;
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struct pinctrl *i2c_pinctrl;
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max77833->i2c_pinctrl = devm_pinctrl_get(&max77833->i2c->dev);
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if (IS_ERR_OR_NULL(max77833->i2c_pinctrl)) {
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dev_err(max77833->dev, "%s: Failed to alloc mem for max77833 i2c pinctrl.\n", __func__);
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ret = PTR_ERR(max77833->i2c_pinctrl);
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return -ENOMEM;
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}
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i2c_pinctrl = max77833->i2c_pinctrl;
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max77833->i2c_gpio_state_active = pinctrl_lookup_state(i2c_pinctrl, "max77833_active");
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if (IS_ERR_OR_NULL(max77833->i2c_gpio_state_active)) {
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dev_err(max77833->dev, "%s: Failed to set active state for max77833 i2c\n", __func__);
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ret = PTR_ERR(max77833->i2c_gpio_state_active);
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goto err_i2c_active_state;
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}
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max77833->i2c_gpio_state_suspend = pinctrl_lookup_state(i2c_pinctrl, "max77833_suspend");
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if (IS_ERR_OR_NULL(max77833->i2c_gpio_state_suspend)) {
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dev_err(max77833->dev, "%s: Failed to set suspend state for max77833 i2c\n", __func__);
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ret = PTR_ERR(max77833->i2c_gpio_state_suspend);
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goto err_i2c_suspend_state;
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}
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#if defined(CONFIG_OF)
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max77833_pinctrl_select(max77833, true);
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#endif
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return ret;
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err_i2c_suspend_state:
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max77833->i2c_gpio_state_suspend = 0;
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err_i2c_active_state:
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max77833->i2c_gpio_state_active = 0;
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return ret;
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}
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#else
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static int of_max77833_dt(struct device *dev, struct max77833_platform_data *pdata)
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{
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return 0;
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}
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#endif /* CONFIG_OF */
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static int max77833_i2c_probe(struct i2c_client *i2c,
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const struct i2c_device_id *dev_id)
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{
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struct max77833_dev *max77833;
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struct max77833_platform_data *pdata = i2c->dev.platform_data;
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u8 reg_data;
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int ret = 0;
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pr_info("%s:%s\n", MFD_DEV_NAME, __func__);
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max77833 = kzalloc(sizeof(struct max77833_dev), GFP_KERNEL);
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if (!max77833) {
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dev_err(&i2c->dev, "%s: Failed to alloc mem for max77833\n", __func__);
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return -ENOMEM;
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}
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if (i2c->dev.of_node) {
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pdata = devm_kzalloc(&i2c->dev, sizeof(struct max77833_platform_data),
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GFP_KERNEL);
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if (!pdata) {
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dev_err(&i2c->dev, "Failed to allocate memory \n");
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ret = -ENOMEM;
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goto err;
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}
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ret = of_max77833_dt(&i2c->dev, pdata);
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if (ret < 0){
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dev_err(&i2c->dev, "Failed to get device of_node \n");
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goto err;
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}
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i2c->dev.platform_data = pdata;
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} else
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pdata = i2c->dev.platform_data;
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max77833->dev = &i2c->dev;
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max77833->i2c = i2c;
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max77833->irq = i2c->irq;
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if (pdata) {
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max77833->pdata = pdata;
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pdata->irq_base = irq_alloc_descs(-1, 0, MAX77833_IRQ_NR, -1);
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if (pdata->irq_base < 0) {
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pr_err("%s:%s irq_alloc_descs Fail! ret(%d)\n",
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MFD_DEV_NAME, __func__, pdata->irq_base);
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ret = -EINVAL;
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goto err;
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} else
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max77833->irq_base = pdata->irq_base;
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max77833->irq_gpio = pdata->irq_gpio;
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max77833->wakeup = pdata->wakeup;
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} else {
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ret = -EINVAL;
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goto err;
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}
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mutex_init(&max77833->i2c_lock);
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i2c_set_clientdata(i2c, max77833);
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if (max77833_read_reg(i2c, MAX77833_PMIC_REG_PMICREV, ®_data) < 0) {
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dev_err(max77833->dev,
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"device not found on this channel (this is not an error)\n");
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ret = -ENODEV;
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goto err_w_lock;
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} else {
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/* print rev */
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max77833->pmic_rev = (reg_data & 0x7);
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max77833->pmic_ver = ((reg_data & 0xF8) >> 0x3);
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pr_info("%s:%s device found: rev.0x%x, ver.0x%x\n",
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MFD_DEV_NAME, __func__,
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max77833->pmic_rev, max77833->pmic_ver);
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}
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#if defined(CONFIG_OF)
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/* Initialize pinctrl for i2c & irq */
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ret = max77833_i2c_pinctrl_init(max77833);
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if(ret) {
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dev_err(max77833->dev,
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"device not found on this channel (this is not an error)\n");
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/* if pnictrl is not supported, -EINVAL is returned*/
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if(ret == -EINVAL)
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ret = 0;
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} else {
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pr_info("%s:%s max77833 pinctrl is succeed.\n", MFD_DEV_NAME, __func__);
|
|
}
|
|
#endif
|
|
|
|
/* No active discharge on safeout ldo 1,2 */
|
|
max77833_update_reg(i2c, MAX77833_PMIC_REG_SAFEOUT_CTRL, 0x00, 0x30);
|
|
|
|
max77833->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
|
|
i2c_set_clientdata(max77833->muic, max77833);
|
|
|
|
max77833->fuelgauge = i2c_new_dummy(i2c->adapter, I2C_ADDR_FG);
|
|
i2c_set_clientdata(max77833->fuelgauge, max77833);
|
|
|
|
ret = max77833_irq_init(max77833);
|
|
|
|
if (ret < 0)
|
|
goto err_irq_init;
|
|
|
|
ret = mfd_add_devices(max77833->dev, -1, max77833_devs,
|
|
ARRAY_SIZE(max77833_devs), NULL, 0, NULL);
|
|
if (ret < 0)
|
|
goto err_mfd;
|
|
|
|
device_init_wakeup(max77833->dev, pdata->wakeup);
|
|
|
|
return ret;
|
|
|
|
err_mfd:
|
|
mfd_remove_devices(max77833->dev);
|
|
err_irq_init:
|
|
i2c_unregister_device(max77833->muic);
|
|
err_w_lock:
|
|
mutex_destroy(&max77833->i2c_lock);
|
|
err:
|
|
kfree(max77833);
|
|
return ret;
|
|
}
|
|
|
|
static int max77833_i2c_remove(struct i2c_client *i2c)
|
|
{
|
|
struct max77833_dev *max77833 = i2c_get_clientdata(i2c);
|
|
|
|
mfd_remove_devices(max77833->dev);
|
|
i2c_unregister_device(max77833->muic);
|
|
kfree(max77833);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id max77833_i2c_id[] = {
|
|
{ MFD_DEV_NAME, TYPE_MAX77833 },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, max77833_i2c_id);
|
|
|
|
#if defined(CONFIG_OF)
|
|
static struct of_device_id max77833_i2c_dt_ids[] = {
|
|
{ .compatible = "maxim,max77833" },
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE(of, max77833_i2c_dt_ids);
|
|
#endif /* CONFIG_OF */
|
|
|
|
#if defined(CONFIG_PM)
|
|
static int max77833_suspend(struct device *dev)
|
|
{
|
|
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
|
|
struct max77833_dev *max77833 = i2c_get_clientdata(i2c);
|
|
|
|
if (device_may_wakeup(dev))
|
|
enable_irq_wake(max77833->irq);
|
|
|
|
#if defined(CONFIG_OF)
|
|
max77833_pinctrl_select(max77833, false);
|
|
#endif
|
|
disable_irq(max77833->irq);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int max77833_resume(struct device *dev)
|
|
{
|
|
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
|
|
struct max77833_dev *max77833 = 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(max77833->irq);
|
|
|
|
#if defined(CONFIG_OF)
|
|
max77833_pinctrl_select(max77833, true);
|
|
#endif
|
|
|
|
enable_irq(max77833->irq);
|
|
|
|
return 0;
|
|
}
|
|
#else
|
|
#define max77833_suspend NULL
|
|
#define max77833_resume NULL
|
|
#endif /* CONFIG_PM */
|
|
|
|
#ifdef CONFIG_HIBERNATION
|
|
|
|
/*
|
|
u8 max77833_dumpaddr_pmic[] = {
|
|
#if 0
|
|
MAX77833_LED_REG_IFLASH,
|
|
MAX77833_LED_REG_IFLASH1,
|
|
MAX77833_LED_REG_IFLASH2,
|
|
MAX77833_LED_REG_ITORCH,
|
|
MAX77833_LED_REG_ITORCHTORCHTIMER,
|
|
MAX77833_LED_REG_FLASH_TIMER,
|
|
MAX77833_LED_REG_FLASH_EN,
|
|
MAX77833_LED_REG_MAX_FLASH1,
|
|
MAX77833_LED_REG_MAX_FLASH2,
|
|
MAX77833_LED_REG_VOUT_CNTL,
|
|
MAX77833_LED_REG_VOUT_FLASH,
|
|
MAX77833_LED_REG_VOUT_FLASH1,
|
|
MAX77833_LED_REG_FLASH_INT_STATUS,
|
|
#endif
|
|
MAX77833_PMIC_REG_PMICID1,
|
|
MAX77833_PMIC_REG_PMICREV,
|
|
MAX77833_PMIC_REG_MAINCTRL1,
|
|
MAX77833_PMIC_REG_MCONFIG,
|
|
};
|
|
|
|
u8 max77833_dumpaddr_muic[] = {
|
|
MAX77833_MUIC_REG_INTMASK1,
|
|
MAX77833_MUIC_REG_INTMASK2,
|
|
MAX77833_MUIC_REG_INTMASK3,
|
|
MAX77833_MUIC_REG_CDETCTRL1,
|
|
MAX77833_MUIC_REG_CDETCTRL2,
|
|
MAX77833_MUIC_REG_CTRL1,
|
|
MAX77833_MUIC_REG_CTRL2,
|
|
MAX77833_MUIC_REG_CTRL3,
|
|
};
|
|
|
|
u8 max77833_dumpaddr_haptic[] = {
|
|
MAX77833_HAPTIC_REG_CONFIG1,
|
|
MAX77833_HAPTIC_REG_CONFIG2,
|
|
MAX77833_HAPTIC_REG_CONFIG_CHNL,
|
|
MAX77833_HAPTIC_REG_CONFG_CYC1,
|
|
MAX77833_HAPTIC_REG_CONFG_CYC2,
|
|
MAX77833_HAPTIC_REG_CONFIG_PER1,
|
|
MAX77833_HAPTIC_REG_CONFIG_PER2,
|
|
MAX77833_HAPTIC_REG_CONFIG_PER3,
|
|
MAX77833_HAPTIC_REG_CONFIG_PER4,
|
|
MAX77833_HAPTIC_REG_CONFIG_DUTY1,
|
|
MAX77833_HAPTIC_REG_CONFIG_DUTY2,
|
|
MAX77833_HAPTIC_REG_CONFIG_PWM1,
|
|
MAX77833_HAPTIC_REG_CONFIG_PWM2,
|
|
MAX77833_HAPTIC_REG_CONFIG_PWM3,
|
|
MAX77833_HAPTIC_REG_CONFIG_PWM4,
|
|
};
|
|
*/
|
|
|
|
u8 max77833_dumpaddr_led[] = {
|
|
MAX77833_RGBLED_REG_LEDEN,
|
|
MAX77833_RGBLED_REG_LED0BRT,
|
|
MAX77833_RGBLED_REG_LED1BRT,
|
|
MAX77833_RGBLED_REG_LED2BRT,
|
|
MAX77833_RGBLED_REG_LED3BRT,
|
|
MAX77833_RGBLED_REG_LEDBLNK,
|
|
MAX77833_RGBLED_REG_LEDRMP,
|
|
};
|
|
|
|
static int max77833_freeze(struct device *dev)
|
|
{
|
|
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
|
|
struct max77833_dev *max77833 = i2c_get_clientdata(i2c);
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(max77833_dumpaddr_pmic); i++)
|
|
max77833_read_reg(i2c, max77833_dumpaddr_pmic[i],
|
|
&max77833->reg_pmic_dump[i]);
|
|
#if 0
|
|
for (i = 0; i < ARRAY_SIZE(max77833_dumpaddr_muic); i++)
|
|
max77833_read_reg(i2c, max77833_dumpaddr_muic[i],
|
|
&max77833->reg_muic_dump[i]);
|
|
#endif
|
|
for (i = 0; i < ARRAY_SIZE(max77833_dumpaddr_led); i++)
|
|
max77833_read_reg(i2c, max77833_dumpaddr_led[i],
|
|
&max77833->reg_led_dump[i]);
|
|
|
|
disable_irq(max77833->irq);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int max77833_restore(struct device *dev)
|
|
{
|
|
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
|
|
struct max77833_dev *max77833 = i2c_get_clientdata(i2c);
|
|
int i;
|
|
|
|
enable_irq(max77833->irq);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(max77833_dumpaddr_pmic); i++)
|
|
max77833_write_reg(i2c, max77833_dumpaddr_pmic[i],
|
|
max77833->reg_pmic_dump[i]);
|
|
#if 0
|
|
for (i = 0; i < ARRAY_SIZE(max77833_dumpaddr_muic); i++)
|
|
max77833_write_reg(i2c, max77833_dumpaddr_muic[i],
|
|
max77833->reg_muic_dump[i]);
|
|
#endif
|
|
for (i = 0; i < ARRAY_SIZE(max77833_dumpaddr_led); i++)
|
|
max77833_write_reg(i2c, max77833_dumpaddr_led[i],
|
|
max77833->reg_led_dump[i]);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
const struct dev_pm_ops max77833_pm = {
|
|
.suspend = max77833_suspend,
|
|
.resume = max77833_resume,
|
|
#ifdef CONFIG_HIBERNATION
|
|
.freeze = max77833_freeze,
|
|
.thaw = max77833_restore,
|
|
.restore = max77833_restore,
|
|
#endif
|
|
};
|
|
|
|
static struct i2c_driver max77833_i2c_driver = {
|
|
.driver = {
|
|
.name = MFD_DEV_NAME,
|
|
.owner = THIS_MODULE,
|
|
#if defined(CONFIG_PM)
|
|
.pm = &max77833_pm,
|
|
#endif /* CONFIG_PM */
|
|
#if defined(CONFIG_OF)
|
|
.of_match_table = max77833_i2c_dt_ids,
|
|
#endif /* CONFIG_OF */
|
|
},
|
|
.probe = max77833_i2c_probe,
|
|
.remove = max77833_i2c_remove,
|
|
.id_table = max77833_i2c_id,
|
|
};
|
|
|
|
static int __init max77833_i2c_init(void)
|
|
{
|
|
pr_info("%s:%s\n", MFD_DEV_NAME, __func__);
|
|
return i2c_add_driver(&max77833_i2c_driver);
|
|
}
|
|
/* init early so consumer devices can complete system boot */
|
|
subsys_initcall(max77833_i2c_init);
|
|
|
|
static void __exit max77833_i2c_exit(void)
|
|
{
|
|
i2c_del_driver(&max77833_i2c_driver);
|
|
}
|
|
module_exit(max77833_i2c_exit);
|
|
|
|
MODULE_DESCRIPTION("MAXIM 77833 multi-function core driver");
|
|
MODULE_AUTHOR("SeoYoung Jeong <seo0.jeong@samsung.com>");
|
|
MODULE_LICENSE("GPL");
|