[PATCH 03/88] power: Drop fg_max77693

Jaehoon Chung jh80.chung at gmail.com
Tue Jan 31 13:51:23 CET 2023



On 1/24/23 06:59, Simon Glass wrote:
> This is not used in U-Boot. Drop it.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>

Reviewed-by: Jaehoon Chung <jh80.chung at samsung.com>

Best Regards,
Jaehoon Chung

> ---
> 
>  drivers/power/mfd/Makefile      |   1 -
>  drivers/power/mfd/fg_max77693.c | 137 --------------------------------
>  2 files changed, 138 deletions(-)
>  delete mode 100644 drivers/power/mfd/fg_max77693.c
> 
> diff --git a/drivers/power/mfd/Makefile b/drivers/power/mfd/Makefile
> index a8eb7f81e72..5dfbdbd1b0f 100644
> --- a/drivers/power/mfd/Makefile
> +++ b/drivers/power/mfd/Makefile
> @@ -5,4 +5,3 @@
>  
>  obj-$(CONFIG_POWER_PMIC_MAX77693) += pmic_max77693.o
>  obj-$(CONFIG_POWER_MUIC_MAX77693) += muic_max77693.o
> -obj-$(CONFIG_POWER_FG_MAX77693) += fg_max77693.o
> diff --git a/drivers/power/mfd/fg_max77693.c b/drivers/power/mfd/fg_max77693.c
> deleted file mode 100644
> index 983a6d4a2bd..00000000000
> --- a/drivers/power/mfd/fg_max77693.c
> +++ /dev/null
> @@ -1,137 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0+
> -/*
> - * Copyright (C) 2013 Samsung Electronics
> - * Piotr Wilczek <p.wilczek at samsung.com>
> - */
> -
> -#include <common.h>
> -#include <log.h>
> -#include <power/pmic.h>
> -#include <power/max77693_fg.h>
> -#include <i2c.h>
> -#include <power/power_chrg.h>
> -#include <power/battery.h>
> -#include <power/fg_battery_cell_params.h>
> -#include <errno.h>
> -
> -static int max77693_get_vcell(u32 *vcell)
> -{
> -	u16 value;
> -	u8 ret;
> -
> -	ret = i2c_read(MAX77693_FUEL_I2C_ADDR, MAX77693_VCELL, 1,
> -		       (u8 *)&value, 2);
> -	if (ret)
> -		return ret;
> -
> -	*vcell = (u32)(value >> 3);
> -	*vcell = *vcell * 625;
> -
> -	return 0;
> -}
> -
> -static int max77693_get_soc(u32 *soc)
> -{
> -	u16 value;
> -	u8 ret;
> -
> -	ret = i2c_read(MAX77693_FUEL_I2C_ADDR, MAX77693_VFSOC, 1,
> -		       (u8 *)&value, 2);
> -	if (ret)
> -		return ret;
> -
> -	*soc = (u32)(value >> 8);
> -
> -	return 0;
> -}
> -
> -static int power_update_battery(struct pmic *p, struct pmic *bat)
> -{
> -	struct power_battery *pb = bat->pbat;
> -	int ret;
> -
> -	if (pmic_probe(p)) {
> -		puts("Can't find max77693 fuel gauge\n");
> -		return -ENODEV;
> -	}
> -
> -	ret = max77693_get_soc(&pb->bat->state_of_chrg);
> -	if (ret)
> -		return ret;
> -
> -	max77693_get_vcell(&pb->bat->voltage_uV);
> -
> -	return 0;
> -}
> -
> -static int power_check_battery(struct pmic *p, struct pmic *bat)
> -{
> -	struct power_battery *pb = bat->pbat;
> -	unsigned int val;
> -	int ret = 0;
> -
> -	if (pmic_probe(p)) {
> -		puts("Can't find max77693 fuel gauge\n");
> -		return -ENODEV;
> -	}
> -
> -	ret = pmic_reg_read(p, MAX77693_STATUS, &val);
> -	if (ret)
> -		return ret;
> -	debug("fg status: 0x%x\n", val);
> -
> -	ret = pmic_reg_read(p, MAX77693_VERSION, &pb->bat->version);
> -	if (ret)
> -		return ret;
> -
> -	ret = power_update_battery(p, bat);
> -	if (ret)
> -		return ret;
> -	debug("fg ver: 0x%x\n", pb->bat->version);
> -	printf("BAT: state_of_charge(SOC):%d%%\n",
> -	       pb->bat->state_of_chrg);
> -
> -	printf("     voltage: %d.%6.6d [V] (expected to be %d [mAh])\n",
> -	       pb->bat->voltage_uV / 1000000,
> -	       pb->bat->voltage_uV % 1000000,
> -	       pb->bat->capacity);
> -
> -	if (pb->bat->voltage_uV > 3850000)
> -		pb->bat->state = EXT_SOURCE;
> -	else if (pb->bat->voltage_uV < 3600000 || pb->bat->state_of_chrg < 5)
> -		pb->bat->state = CHARGE;
> -	else
> -		pb->bat->state = NORMAL;
> -
> -	return 0;
> -}
> -
> -static struct power_fg power_fg_ops = {
> -	.fg_battery_check = power_check_battery,
> -	.fg_battery_update = power_update_battery,
> -};
> -
> -int power_fg_init(unsigned char bus)
> -{
> -	static const char name[] = "MAX77693_FG";
> -	struct pmic *p = pmic_alloc();
> -
> -	if (!p) {
> -		printf("%s: POWER allocation error!\n", __func__);
> -		return -ENOMEM;
> -	}
> -
> -	debug("Board Fuel Gauge init\n");
> -
> -	p->name = name;
> -	p->interface = PMIC_I2C;
> -	p->number_of_regs = FG_NUM_OF_REGS;
> -	p->hw.i2c.addr = MAX77693_FUEL_I2C_ADDR;
> -	p->hw.i2c.tx_num = 2;
> -	p->sensor_byte_order = PMIC_SENSOR_BYTE_ORDER_BIG;
> -	p->bus = bus;
> -
> -	p->fg = &power_fg_ops;
> -
> -	return 0;
> -}


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