Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2)  * Battery power supply driver for X-Powers AXP20X and AXP22X PMICs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Copyright 2016 Free Electrons NextThing Co.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *	Quentin Schulz <quentin.schulz@free-electrons.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * This driver is based on a previous upstreaming attempt by:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *	Bruno Prémont <bonbons@linux-vserver.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * This file is subject to the terms and conditions of the GNU General
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  * Public License. See the file "COPYING" in the main directory of this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * archive for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  * This program is distributed in the hope that it will be useful,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * but WITHOUT ANY WARRANTY; without even the implied warranty of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  * GNU General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <linux/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include <linux/of_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #include <linux/power_supply.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #include <linux/time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #include <linux/iio/iio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #include <linux/iio/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) #include <linux/mfd/axp20x.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #define AXP20X_PWR_STATUS_BAT_CHARGING	BIT(2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) #define AXP20X_PWR_OP_BATT_PRESENT	BIT(5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) #define AXP20X_PWR_OP_BATT_ACTIVATED	BIT(3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) #define AXP209_FG_PERCENT		GENMASK(6, 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) #define AXP22X_FG_VALID			BIT(7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) #define AXP20X_CHRG_CTRL1_TGT_VOLT	GENMASK(6, 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) #define AXP20X_CHRG_CTRL1_TGT_4_1V	(0 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) #define AXP20X_CHRG_CTRL1_TGT_4_15V	(1 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) #define AXP20X_CHRG_CTRL1_TGT_4_2V	(2 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) #define AXP20X_CHRG_CTRL1_TGT_4_36V	(3 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) #define AXP22X_CHRG_CTRL1_TGT_4_22V	(1 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) #define AXP22X_CHRG_CTRL1_TGT_4_24V	(3 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) #define AXP813_CHRG_CTRL1_TGT_4_35V	(3 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) #define AXP20X_CHRG_CTRL1_TGT_CURR	GENMASK(3, 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) #define AXP20X_V_OFF_MASK		GENMASK(2, 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) struct axp20x_batt_ps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) struct axp_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	int	ccc_scale;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	int	ccc_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	bool	has_fg_valid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	int	(*get_max_voltage)(struct axp20x_batt_ps *batt, int *val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	int	(*set_max_voltage)(struct axp20x_batt_ps *batt, int val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) struct axp20x_batt_ps {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	struct regmap *regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	struct power_supply *batt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	struct iio_channel *batt_chrg_i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	struct iio_channel *batt_dischrg_i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	struct iio_channel *batt_v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	/* Maximum constant charge current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	unsigned int max_ccc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	const struct axp_data	*data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) static int axp20x_battery_get_max_voltage(struct axp20x_batt_ps *axp20x_batt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 					  int *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	int ret, reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	ret = regmap_read(axp20x_batt->regmap, AXP20X_CHRG_CTRL1, &reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	switch (reg & AXP20X_CHRG_CTRL1_TGT_VOLT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	case AXP20X_CHRG_CTRL1_TGT_4_1V:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 		*val = 4100000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	case AXP20X_CHRG_CTRL1_TGT_4_15V:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		*val = 4150000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	case AXP20X_CHRG_CTRL1_TGT_4_2V:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		*val = 4200000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	case AXP20X_CHRG_CTRL1_TGT_4_36V:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		*val = 4360000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) static int axp22x_battery_get_max_voltage(struct axp20x_batt_ps *axp20x_batt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 					  int *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	int ret, reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	ret = regmap_read(axp20x_batt->regmap, AXP20X_CHRG_CTRL1, &reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	switch (reg & AXP20X_CHRG_CTRL1_TGT_VOLT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	case AXP20X_CHRG_CTRL1_TGT_4_1V:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 		*val = 4100000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	case AXP20X_CHRG_CTRL1_TGT_4_2V:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 		*val = 4200000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	case AXP22X_CHRG_CTRL1_TGT_4_22V:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 		*val = 4220000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	case AXP22X_CHRG_CTRL1_TGT_4_24V:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 		*val = 4240000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) static int axp813_battery_get_max_voltage(struct axp20x_batt_ps *axp20x_batt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 					  int *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	int ret, reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	ret = regmap_read(axp20x_batt->regmap, AXP20X_CHRG_CTRL1, &reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	switch (reg & AXP20X_CHRG_CTRL1_TGT_VOLT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	case AXP20X_CHRG_CTRL1_TGT_4_1V:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		*val = 4100000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	case AXP20X_CHRG_CTRL1_TGT_4_15V:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 		*val = 4150000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	case AXP20X_CHRG_CTRL1_TGT_4_2V:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		*val = 4200000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	case AXP813_CHRG_CTRL1_TGT_4_35V:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		*val = 4350000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) static int axp20x_get_constant_charge_current(struct axp20x_batt_ps *axp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 					      int *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	ret = regmap_read(axp->regmap, AXP20X_CHRG_CTRL1, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	*val &= AXP20X_CHRG_CTRL1_TGT_CURR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	*val = *val * axp->data->ccc_scale + axp->data->ccc_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) static int axp20x_battery_get_prop(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 				   enum power_supply_property psp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 				   union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	struct axp20x_batt_ps *axp20x_batt = power_supply_get_drvdata(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	struct iio_channel *chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	int ret = 0, reg, val1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	case POWER_SUPPLY_PROP_PRESENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	case POWER_SUPPLY_PROP_ONLINE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		ret = regmap_read(axp20x_batt->regmap, AXP20X_PWR_OP_MODE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 				  &reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		val->intval = !!(reg & AXP20X_PWR_OP_BATT_PRESENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	case POWER_SUPPLY_PROP_STATUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		ret = regmap_read(axp20x_batt->regmap, AXP20X_PWR_INPUT_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 				  &reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 		if (reg & AXP20X_PWR_STATUS_BAT_CHARGING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 			val->intval = POWER_SUPPLY_STATUS_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 		ret = iio_read_channel_processed(axp20x_batt->batt_dischrg_i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 						 &val1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		if (val1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 			val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		ret = regmap_read(axp20x_batt->regmap, AXP20X_FG_RES, &val1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		 * Fuel Gauge data takes 7 bits but the stored value seems to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		 * directly the raw percentage without any scaling to 7 bits.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		if ((val1 & AXP209_FG_PERCENT) == 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 			val->intval = POWER_SUPPLY_STATUS_FULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 			val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	case POWER_SUPPLY_PROP_HEALTH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 		ret = regmap_read(axp20x_batt->regmap, AXP20X_PWR_OP_MODE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 				  &val1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 		if (val1 & AXP20X_PWR_OP_BATT_ACTIVATED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 			val->intval = POWER_SUPPLY_HEALTH_DEAD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 		val->intval = POWER_SUPPLY_HEALTH_GOOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 		ret = axp20x_get_constant_charge_current(axp20x_batt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 							 &val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 		val->intval = axp20x_batt->max_ccc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	case POWER_SUPPLY_PROP_CURRENT_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 		ret = regmap_read(axp20x_batt->regmap, AXP20X_PWR_INPUT_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 				  &reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 		if (reg & AXP20X_PWR_STATUS_BAT_CHARGING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 			chan = axp20x_batt->batt_chrg_i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 			chan = axp20x_batt->batt_dischrg_i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 		ret = iio_read_channel_processed(chan, &val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 		/* IIO framework gives mA but Power Supply framework gives uA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 		val->intval *= 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	case POWER_SUPPLY_PROP_CAPACITY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 		/* When no battery is present, return capacity is 100% */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 		ret = regmap_read(axp20x_batt->regmap, AXP20X_PWR_OP_MODE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 				  &reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 		if (!(reg & AXP20X_PWR_OP_BATT_PRESENT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 			val->intval = 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 		ret = regmap_read(axp20x_batt->regmap, AXP20X_FG_RES, &reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 		if (axp20x_batt->data->has_fg_valid && !(reg & AXP22X_FG_VALID))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 		 * Fuel Gauge data takes 7 bits but the stored value seems to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 		 * directly the raw percentage without any scaling to 7 bits.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 		val->intval = reg & AXP209_FG_PERCENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 		return axp20x_batt->data->get_max_voltage(axp20x_batt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 							  &val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 		ret = regmap_read(axp20x_batt->regmap, AXP20X_V_OFF, &reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 		val->intval = 2600000 + 100000 * (reg & AXP20X_V_OFF_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 		ret = iio_read_channel_processed(axp20x_batt->batt_v,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 						 &val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 		/* IIO framework gives mV but Power Supply framework gives uV */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 		val->intval *= 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) static int axp22x_battery_set_max_voltage(struct axp20x_batt_ps *axp20x_batt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 					  int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	switch (val) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	case 4100000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 		val = AXP20X_CHRG_CTRL1_TGT_4_1V;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	case 4200000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 		val = AXP20X_CHRG_CTRL1_TGT_4_2V;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 		 * AXP20x max voltage can be set to 4.36V and AXP22X max voltage
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 		 * can be set to 4.22V and 4.24V, but these voltages are too
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 		 * high for Lithium based batteries (AXP PMICs are supposed to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 		 * be used with these kinds of battery).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	return regmap_update_bits(axp20x_batt->regmap, AXP20X_CHRG_CTRL1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 				  AXP20X_CHRG_CTRL1_TGT_VOLT, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) static int axp20x_battery_set_max_voltage(struct axp20x_batt_ps *axp20x_batt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 					  int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	switch (val) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 	case 4100000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 		val = AXP20X_CHRG_CTRL1_TGT_4_1V;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 	case 4150000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 		val = AXP20X_CHRG_CTRL1_TGT_4_15V;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	case 4200000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 		val = AXP20X_CHRG_CTRL1_TGT_4_2V;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 		 * AXP20x max voltage can be set to 4.36V and AXP22X max voltage
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 		 * can be set to 4.22V and 4.24V, but these voltages are too
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 		 * high for Lithium based batteries (AXP PMICs are supposed to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 		 * be used with these kinds of battery).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	return regmap_update_bits(axp20x_batt->regmap, AXP20X_CHRG_CTRL1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 				  AXP20X_CHRG_CTRL1_TGT_VOLT, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) static int axp20x_set_constant_charge_current(struct axp20x_batt_ps *axp_batt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 					      int charge_current)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 	if (charge_current > axp_batt->max_ccc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	charge_current = (charge_current - axp_batt->data->ccc_offset) /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 		axp_batt->data->ccc_scale;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 	if (charge_current > AXP20X_CHRG_CTRL1_TGT_CURR || charge_current < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 	return regmap_update_bits(axp_batt->regmap, AXP20X_CHRG_CTRL1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 				  AXP20X_CHRG_CTRL1_TGT_CURR, charge_current);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) static int axp20x_set_max_constant_charge_current(struct axp20x_batt_ps *axp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 						  int charge_current)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 	bool lower_max = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 	charge_current = (charge_current - axp->data->ccc_offset) /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 		axp->data->ccc_scale;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 	if (charge_current > AXP20X_CHRG_CTRL1_TGT_CURR || charge_current < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 	charge_current = charge_current * axp->data->ccc_scale +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 		axp->data->ccc_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	if (charge_current > axp->max_ccc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 		dev_warn(axp->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 			 "Setting max constant charge current higher than previously defined. Note that increasing the constant charge current may damage your battery.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 		lower_max = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 	axp->max_ccc = charge_current;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 	if (lower_max) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 		int current_cc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 		axp20x_get_constant_charge_current(axp, &current_cc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 		if (current_cc > charge_current)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 			axp20x_set_constant_charge_current(axp, charge_current);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) static int axp20x_set_voltage_min_design(struct axp20x_batt_ps *axp_batt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 					 int min_voltage)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 	int val1 = (min_voltage - 2600000) / 100000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 	if (val1 < 0 || val1 > AXP20X_V_OFF_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 	return regmap_update_bits(axp_batt->regmap, AXP20X_V_OFF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 				  AXP20X_V_OFF_MASK, val1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) static int axp20x_battery_set_prop(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) 				   enum power_supply_property psp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 				   const union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 	struct axp20x_batt_ps *axp20x_batt = power_supply_get_drvdata(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) 	switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 	case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) 		return axp20x_set_voltage_min_design(axp20x_batt, val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 	case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 		return axp20x_batt->data->set_max_voltage(axp20x_batt, val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) 		return axp20x_set_constant_charge_current(axp20x_batt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 							  val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 		return axp20x_set_max_constant_charge_current(axp20x_batt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) 							      val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) static enum power_supply_property axp20x_battery_props[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) 	POWER_SUPPLY_PROP_PRESENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) 	POWER_SUPPLY_PROP_ONLINE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) 	POWER_SUPPLY_PROP_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) 	POWER_SUPPLY_PROP_VOLTAGE_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) 	POWER_SUPPLY_PROP_CURRENT_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) 	POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) 	POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) 	POWER_SUPPLY_PROP_HEALTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) 	POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) 	POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) 	POWER_SUPPLY_PROP_CAPACITY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) static int axp20x_battery_prop_writeable(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) 					 enum power_supply_property psp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) 	return psp == POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) 	       psp == POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) 	       psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) 	       psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) static const struct power_supply_desc axp20x_batt_ps_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) 	.name = "axp20x-battery",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) 	.type = POWER_SUPPLY_TYPE_BATTERY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) 	.properties = axp20x_battery_props,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) 	.num_properties = ARRAY_SIZE(axp20x_battery_props),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) 	.property_is_writeable = axp20x_battery_prop_writeable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) 	.get_property = axp20x_battery_get_prop,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) 	.set_property = axp20x_battery_set_prop,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) static const struct axp_data axp209_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) 	.ccc_scale = 100000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) 	.ccc_offset = 300000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) 	.get_max_voltage = axp20x_battery_get_max_voltage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) 	.set_max_voltage = axp20x_battery_set_max_voltage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) static const struct axp_data axp221_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) 	.ccc_scale = 150000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) 	.ccc_offset = 300000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) 	.has_fg_valid = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) 	.get_max_voltage = axp22x_battery_get_max_voltage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) 	.set_max_voltage = axp22x_battery_set_max_voltage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) static const struct axp_data axp813_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) 	.ccc_scale = 200000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) 	.ccc_offset = 200000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) 	.has_fg_valid = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) 	.get_max_voltage = axp813_battery_get_max_voltage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) 	.set_max_voltage = axp20x_battery_set_max_voltage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) static const struct of_device_id axp20x_battery_ps_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) 		.compatible = "x-powers,axp209-battery-power-supply",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) 		.data = (void *)&axp209_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) 		.compatible = "x-powers,axp221-battery-power-supply",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) 		.data = (void *)&axp221_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) 		.compatible = "x-powers,axp813-battery-power-supply",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) 		.data = (void *)&axp813_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) 	}, { /* sentinel */ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) MODULE_DEVICE_TABLE(of, axp20x_battery_ps_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) static int axp20x_power_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) 	struct axp20x_batt_ps *axp20x_batt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) 	struct power_supply_config psy_cfg = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) 	struct power_supply_battery_info info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) 	struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) 	if (!of_device_is_available(pdev->dev.of_node))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) 	axp20x_batt = devm_kzalloc(&pdev->dev, sizeof(*axp20x_batt),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) 				   GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) 	if (!axp20x_batt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) 	axp20x_batt->dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) 	axp20x_batt->batt_v = devm_iio_channel_get(&pdev->dev, "batt_v");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) 	if (IS_ERR(axp20x_batt->batt_v)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) 		if (PTR_ERR(axp20x_batt->batt_v) == -ENODEV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) 			return -EPROBE_DEFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) 		return PTR_ERR(axp20x_batt->batt_v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) 	axp20x_batt->batt_chrg_i = devm_iio_channel_get(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) 							"batt_chrg_i");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) 	if (IS_ERR(axp20x_batt->batt_chrg_i)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) 		if (PTR_ERR(axp20x_batt->batt_chrg_i) == -ENODEV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) 			return -EPROBE_DEFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) 		return PTR_ERR(axp20x_batt->batt_chrg_i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) 	axp20x_batt->batt_dischrg_i = devm_iio_channel_get(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) 							   "batt_dischrg_i");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) 	if (IS_ERR(axp20x_batt->batt_dischrg_i)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) 		if (PTR_ERR(axp20x_batt->batt_dischrg_i) == -ENODEV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) 			return -EPROBE_DEFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) 		return PTR_ERR(axp20x_batt->batt_dischrg_i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) 	axp20x_batt->regmap = dev_get_regmap(pdev->dev.parent, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) 	platform_set_drvdata(pdev, axp20x_batt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) 	psy_cfg.drv_data = axp20x_batt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) 	psy_cfg.of_node = pdev->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) 	axp20x_batt->data = (struct axp_data *)of_device_get_match_data(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) 	axp20x_batt->batt = devm_power_supply_register(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) 						       &axp20x_batt_ps_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) 						       &psy_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) 	if (IS_ERR(axp20x_batt->batt)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) 		dev_err(&pdev->dev, "failed to register power supply: %ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) 			PTR_ERR(axp20x_batt->batt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) 		return PTR_ERR(axp20x_batt->batt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) 	if (!power_supply_get_battery_info(axp20x_batt->batt, &info)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) 		int vmin = info.voltage_min_design_uv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) 		int ccc = info.constant_charge_current_max_ua;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) 		if (vmin > 0 && axp20x_set_voltage_min_design(axp20x_batt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) 							      vmin))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) 			dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) 				"couldn't set voltage_min_design\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) 		/* Set max to unverified value to be able to set CCC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) 		axp20x_batt->max_ccc = ccc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) 		if (ccc <= 0 || axp20x_set_constant_charge_current(axp20x_batt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) 								   ccc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) 			dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) 				"couldn't set constant charge current from DT: fallback to minimum value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) 			ccc = 300000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) 			axp20x_batt->max_ccc = ccc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) 			axp20x_set_constant_charge_current(axp20x_batt, ccc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) 	 * Update max CCC to a valid value if battery info is present or set it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) 	 * to current register value by default.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) 	axp20x_get_constant_charge_current(axp20x_batt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) 					   &axp20x_batt->max_ccc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) static struct platform_driver axp20x_batt_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) 	.probe    = axp20x_power_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) 	.driver   = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) 		.name  = "axp20x-battery-power-supply",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) 		.of_match_table = axp20x_battery_ps_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) module_platform_driver(axp20x_batt_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) MODULE_DESCRIPTION("Battery power supply driver for AXP20X and AXP22X PMICs");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) MODULE_AUTHOR("Quentin Schulz <quentin.schulz@free-electrons.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) MODULE_LICENSE("GPL");