Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) // max14577_charger.c - Battery charger driver for the Maxim 14577/77836
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) // Copyright (C) 2013,2014 Samsung Electronics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) // Krzysztof Kozlowski <krzk@kernel.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/power_supply.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/mfd/max14577-private.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/mfd/max14577.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) struct max14577_charger {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) 	struct device		*dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 	struct max14577		*max14577;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 	struct power_supply	*charger;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 	struct max14577_charger_platform_data	*pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23)  * Helper function for mapping values of STATUS2/CHGTYP register on max14577
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  * and max77836 chipsets to enum maxim_muic_charger_type.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) static enum max14577_muic_charger_type maxim_get_charger_type(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 		enum maxim_device_type dev_type, u8 val) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	switch (val) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	case MAX14577_CHARGER_TYPE_NONE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	case MAX14577_CHARGER_TYPE_USB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	case MAX14577_CHARGER_TYPE_DOWNSTREAM_PORT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	case MAX14577_CHARGER_TYPE_DEDICATED_CHG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	case MAX14577_CHARGER_TYPE_SPECIAL_500MA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	case MAX14577_CHARGER_TYPE_SPECIAL_1A:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 		return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	case MAX14577_CHARGER_TYPE_DEAD_BATTERY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	case MAX14577_CHARGER_TYPE_RESERVED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 		if (dev_type == MAXIM_DEVICE_TYPE_MAX77836)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 			val |= 0x8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 		return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 		WARN_ONCE(1, "max14577: Unsupported chgtyp register value 0x%02x", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 		return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) static int max14577_get_charger_state(struct max14577_charger *chg, int *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	struct regmap *rmap = chg->max14577->regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	u8 reg_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	 * Charging occurs only if:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	 *  - CHGCTRL2/MBCHOSTEN == 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	 *  - STATUS2/CGMBC == 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	 * TODO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	 *  - handle FULL after Top-off timer (EOC register may be off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	 *    and the charger won't be charging although MBCHOSTEN is on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	 *  - handle properly dead-battery charging (respect timer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	 *  - handle timers (fast-charge and prequal) /MBCCHGERR/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	ret = max14577_read_reg(rmap, MAX14577_CHG_REG_CHG_CTRL2, &reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	if ((reg_data & CHGCTRL2_MBCHOSTEN_MASK) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 		*val = POWER_SUPPLY_STATUS_DISCHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	ret = max14577_read_reg(rmap, MAX14577_CHG_REG_STATUS3, &reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	if (reg_data & STATUS3_CGMBC_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		/* Charger or USB-cable is connected */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		if (reg_data & STATUS3_EOC_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 			*val = POWER_SUPPLY_STATUS_FULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 			*val = POWER_SUPPLY_STATUS_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	*val = POWER_SUPPLY_STATUS_DISCHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93)  * Supported charge types:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94)  *  - POWER_SUPPLY_CHARGE_TYPE_NONE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95)  *  - POWER_SUPPLY_CHARGE_TYPE_FAST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) static int max14577_get_charge_type(struct max14577_charger *chg, int *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	int ret, charging;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	 * TODO: CHARGE_TYPE_TRICKLE (VCHGR_RC or EOC)?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	 * As spec says:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	 * [after reaching EOC interrupt]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	 * "When the battery is fully charged, the 30-minute (typ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	 *  top-off timer starts. The device continues to trickle
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	 *  charge the battery until the top-off timer runs out."
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	ret = max14577_get_charger_state(chg, &charging);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	if (charging == POWER_SUPPLY_STATUS_CHARGING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		*val = POWER_SUPPLY_CHARGE_TYPE_FAST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		*val = POWER_SUPPLY_CHARGE_TYPE_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) static int max14577_get_online(struct max14577_charger *chg, int *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	struct regmap *rmap = chg->max14577->regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	u8 reg_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	enum max14577_muic_charger_type chg_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	ret = max14577_read_reg(rmap, MAX14577_MUIC_REG_STATUS2, &reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	reg_data = ((reg_data & STATUS2_CHGTYP_MASK) >> STATUS2_CHGTYP_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	chg_type = maxim_get_charger_type(chg->max14577->dev_type, reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	switch (chg_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	case MAX14577_CHARGER_TYPE_USB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	case MAX14577_CHARGER_TYPE_DEDICATED_CHG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	case MAX14577_CHARGER_TYPE_SPECIAL_500MA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	case MAX14577_CHARGER_TYPE_SPECIAL_1A:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	case MAX14577_CHARGER_TYPE_DEAD_BATTERY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	case MAX77836_CHARGER_TYPE_SPECIAL_BIAS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		*val = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	case MAX14577_CHARGER_TYPE_NONE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	case MAX14577_CHARGER_TYPE_DOWNSTREAM_PORT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	case MAX14577_CHARGER_TYPE_RESERVED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	case MAX77836_CHARGER_TYPE_RESERVED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		*val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)  * Supported health statuses:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)  *  - POWER_SUPPLY_HEALTH_DEAD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)  *  - POWER_SUPPLY_HEALTH_OVERVOLTAGE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)  *  - POWER_SUPPLY_HEALTH_GOOD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) static int max14577_get_battery_health(struct max14577_charger *chg, int *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	struct regmap *rmap = chg->max14577->regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	u8 reg_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	enum max14577_muic_charger_type chg_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	ret = max14577_read_reg(rmap, MAX14577_MUIC_REG_STATUS2, &reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	reg_data = ((reg_data & STATUS2_CHGTYP_MASK) >> STATUS2_CHGTYP_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	chg_type = maxim_get_charger_type(chg->max14577->dev_type, reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	if (chg_type == MAX14577_CHARGER_TYPE_DEAD_BATTERY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 		*val = POWER_SUPPLY_HEALTH_DEAD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	ret = max14577_read_reg(rmap, MAX14577_CHG_REG_STATUS3, &reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	if (reg_data & STATUS3_OVP_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		*val = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	/* Not dead, not overvoltage */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	*val = POWER_SUPPLY_HEALTH_GOOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)  * Always returns 1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)  * The max14577 chip doesn't report any status of battery presence.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)  * Lets assume that it will always be used with some battery.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) static int max14577_get_present(struct max14577_charger *chg, int *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	*val = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) static int max14577_set_fast_charge_timer(struct max14577_charger *chg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 		unsigned long hours)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	u8 reg_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	switch (hours) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	case 5 ... 7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 		reg_data = hours - 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 		/* Disable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 		reg_data = 0x7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		dev_err(chg->dev, "Wrong value for Fast-Charge Timer: %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 				hours);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	reg_data <<= CHGCTRL1_TCHW_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	return max14577_update_reg(chg->max14577->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 			MAX14577_REG_CHGCTRL1, CHGCTRL1_TCHW_MASK, reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) static int max14577_init_constant_voltage(struct max14577_charger *chg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		unsigned int uvolt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	u8 reg_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	if (uvolt < MAXIM_CHARGER_CONSTANT_VOLTAGE_MIN ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 			uvolt > MAXIM_CHARGER_CONSTANT_VOLTAGE_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	if (uvolt == 4200000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 		reg_data = 0x0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	else if (uvolt == MAXIM_CHARGER_CONSTANT_VOLTAGE_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 		reg_data = 0x1f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	else if (uvolt <= 4280000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 		unsigned int val = uvolt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 		val -= MAXIM_CHARGER_CONSTANT_VOLTAGE_MIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 		val /= MAXIM_CHARGER_CONSTANT_VOLTAGE_STEP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 		if (uvolt <= 4180000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 			reg_data = 0x1 + val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 			reg_data = val; /* Fix for gap between 4.18V and 4.22V */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	reg_data <<= CHGCTRL3_MBCCVWRC_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	return max14577_write_reg(chg->max14577->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 			MAX14577_CHG_REG_CHG_CTRL3, reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) static int max14577_init_eoc(struct max14577_charger *chg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 		unsigned int uamp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	unsigned int current_bits = 0xf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	u8 reg_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	switch (chg->max14577->dev_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	case MAXIM_DEVICE_TYPE_MAX77836:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 		if (uamp < 5000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 			return -EINVAL; /* Requested current is too low */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 		if (uamp >= 7500 && uamp < 10000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 			current_bits = 0x0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 		else if (uamp <= 50000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 			/* <5000, 7499> and <10000, 50000> */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 			current_bits = uamp / 5000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 			uamp = min(uamp, 100000U) - 50000U;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 			current_bits = 0xa + uamp / 10000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	case MAXIM_DEVICE_TYPE_MAX14577:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 		if (uamp < MAX14577_CHARGER_EOC_CURRENT_LIMIT_MIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 			return -EINVAL; /* Requested current is too low */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 		uamp = min(uamp, MAX14577_CHARGER_EOC_CURRENT_LIMIT_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 		uamp -= MAX14577_CHARGER_EOC_CURRENT_LIMIT_MIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 		current_bits = uamp / MAX14577_CHARGER_EOC_CURRENT_LIMIT_STEP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	reg_data = current_bits << CHGCTRL5_EOCS_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	return max14577_update_reg(chg->max14577->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 			MAX14577_CHG_REG_CHG_CTRL5, CHGCTRL5_EOCS_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 			reg_data);
^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) static int max14577_init_fast_charge(struct max14577_charger *chg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 		unsigned int uamp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	u8 reg_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	const struct maxim_charger_current *limits =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 		&maxim_charger_currents[chg->max14577->dev_type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	ret = maxim_charger_calc_reg_current(limits, uamp, uamp, &reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 		dev_err(chg->dev, "Wrong value for fast charge: %u\n", uamp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	return max14577_update_reg(chg->max14577->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 			MAX14577_CHG_REG_CHG_CTRL4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 			CHGCTRL4_MBCICHWRCL_MASK | CHGCTRL4_MBCICHWRCH_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 			reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)  * Sets charger registers to proper and safe default values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)  * Some of these values are equal to defaults in MAX14577E
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)  * data sheet but there are minor differences.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) static int max14577_charger_reg_init(struct max14577_charger *chg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	struct regmap *rmap = chg->max14577->regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	u8 reg_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	int ret;
^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) 	 * Charger-Type Manual Detection, default off (set CHGTYPMAN to 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	 * Charger-Detection Enable, default on (set CHGDETEN to 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	 * Combined mask of CHGDETEN and CHGTYPMAN will zero the CHGTYPMAN bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 	reg_data = 0x1 << CDETCTRL1_CHGDETEN_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	max14577_update_reg(rmap, MAX14577_REG_CDETCTRL1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 			CDETCTRL1_CHGDETEN_MASK | CDETCTRL1_CHGTYPMAN_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 			reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	 * Wall-Adapter Rapid Charge, default on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	 * Battery-Charger, default on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	reg_data = 0x1 << CHGCTRL2_VCHGR_RC_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	reg_data |= 0x1 << CHGCTRL2_MBCHOSTEN_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	max14577_write_reg(rmap, MAX14577_REG_CHGCTRL2, reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	/* Auto Charging Stop, default off */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 	reg_data = 0x0 << CHGCTRL6_AUTOSTOP_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	max14577_write_reg(rmap, MAX14577_REG_CHGCTRL6, reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 	ret = max14577_init_constant_voltage(chg, chg->pdata->constant_uvolt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	ret = max14577_init_eoc(chg, chg->pdata->eoc_uamp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	ret = max14577_init_fast_charge(chg, chg->pdata->fast_charge_uamp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 	ret = max14577_set_fast_charge_timer(chg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 			MAXIM_CHARGER_FAST_CHARGE_TIMER_DEFAULT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	/* Initialize Overvoltage-Protection Threshold */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	switch (chg->pdata->ovp_uvolt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	case 7500000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 		reg_data = 0x0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	case 6000000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 	case 6500000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 	case 7000000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 		reg_data = 0x1 + (chg->pdata->ovp_uvolt - 6000000) / 500000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 		dev_err(chg->dev, "Wrong value for OVP: %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 				chg->pdata->ovp_uvolt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	reg_data <<= CHGCTRL7_OTPCGHCVS_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	max14577_write_reg(rmap, MAX14577_REG_CHGCTRL7, reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 	return 0;
^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) /* Support property from charger */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) static enum power_supply_property max14577_charger_props[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 	POWER_SUPPLY_PROP_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 	POWER_SUPPLY_PROP_CHARGE_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 	POWER_SUPPLY_PROP_HEALTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 	POWER_SUPPLY_PROP_PRESENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	POWER_SUPPLY_PROP_ONLINE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 	POWER_SUPPLY_PROP_MODEL_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	POWER_SUPPLY_PROP_MANUFACTURER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) static const char * const model_names[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 	[MAXIM_DEVICE_TYPE_UNKNOWN]	= "MAX14577-like",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 	[MAXIM_DEVICE_TYPE_MAX14577]	= "MAX14577",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 	[MAXIM_DEVICE_TYPE_MAX77836]	= "MAX77836",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) static const char *manufacturer = "Maxim Integrated";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) static int max14577_charger_get_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 			    enum power_supply_property psp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 			    union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 	struct max14577_charger *chg = power_supply_get_drvdata(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 	switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 	case POWER_SUPPLY_PROP_STATUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 		ret = max14577_get_charger_state(chg, &val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 	case POWER_SUPPLY_PROP_CHARGE_TYPE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 		ret = max14577_get_charge_type(chg, &val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 	case POWER_SUPPLY_PROP_HEALTH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 		ret = max14577_get_battery_health(chg, &val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 	case POWER_SUPPLY_PROP_PRESENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 		ret = max14577_get_present(chg, &val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 	case POWER_SUPPLY_PROP_ONLINE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 		ret = max14577_get_online(chg, &val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 	case POWER_SUPPLY_PROP_MODEL_NAME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 		BUILD_BUG_ON(ARRAY_SIZE(model_names) != MAXIM_DEVICE_TYPE_NUM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 		val->strval = model_names[chg->max14577->dev_type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 	case POWER_SUPPLY_PROP_MANUFACTURER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 		val->strval = manufacturer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) static const struct power_supply_desc max14577_charger_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 	.name = "max14577-charger",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 	.type = POWER_SUPPLY_TYPE_BATTERY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 	.properties = max14577_charger_props,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 	.num_properties = ARRAY_SIZE(max14577_charger_props),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 	.get_property = max14577_charger_get_property,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) #ifdef CONFIG_OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) static struct max14577_charger_platform_data *max14577_charger_dt_init(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 		struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 	struct max14577_charger_platform_data *pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) 	struct device_node *np = pdev->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 	if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 		dev_err(&pdev->dev, "No charger OF node\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 		return ERR_PTR(-EINVAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 	if (!pdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) 		return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 	ret = of_property_read_u32(np, "maxim,constant-uvolt",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 			&pdata->constant_uvolt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) 		dev_err(&pdev->dev, "Cannot parse maxim,constant-uvolt field from DT\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) 		return ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) 	ret = of_property_read_u32(np, "maxim,fast-charge-uamp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) 			&pdata->fast_charge_uamp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) 		dev_err(&pdev->dev, "Cannot parse maxim,fast-charge-uamp field from DT\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) 		return ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) 	ret = of_property_read_u32(np, "maxim,eoc-uamp", &pdata->eoc_uamp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) 		dev_err(&pdev->dev, "Cannot parse maxim,eoc-uamp field from DT\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) 		return ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) 	ret = of_property_read_u32(np, "maxim,ovp-uvolt", &pdata->ovp_uvolt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) 		dev_err(&pdev->dev, "Cannot parse maxim,ovp-uvolt field from DT\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) 		return ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) 	return pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) #else /* CONFIG_OF */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) static struct max14577_charger_platform_data *max14577_charger_dt_init(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) 		struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) #endif /* CONFIG_OF */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) static ssize_t show_fast_charge_timer(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) 		struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) 	struct max14577_charger *chg = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) 	u8 reg_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) 	unsigned int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) 	ret = max14577_read_reg(chg->max14577->regmap, MAX14577_REG_CHGCTRL1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) 			&reg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) 	reg_data &= CHGCTRL1_TCHW_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) 	reg_data >>= CHGCTRL1_TCHW_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) 	switch (reg_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) 	case 0x2 ... 0x4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) 		val = reg_data + 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) 	case 0x7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) 		val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) 		val = 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) 	return scnprintf(buf, PAGE_SIZE, "%u\n", val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) static ssize_t store_fast_charge_timer(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) 		struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) 	struct max14577_charger *chg = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) 	unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) 	ret = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) 	ret = max14577_set_fast_charge_timer(chg, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) static DEVICE_ATTR(fast_charge_timer, S_IRUGO | S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) 		show_fast_charge_timer, store_fast_charge_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) static int max14577_charger_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) 	struct max14577_charger *chg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) 	struct power_supply_config psy_cfg = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) 	struct max14577 *max14577 = dev_get_drvdata(pdev->dev.parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) 	chg = devm_kzalloc(&pdev->dev, sizeof(*chg), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) 	if (!chg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) 	platform_set_drvdata(pdev, chg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) 	chg->dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) 	chg->max14577 = max14577;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) 	chg->pdata = max14577_charger_dt_init(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) 	if (IS_ERR_OR_NULL(chg->pdata))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) 		return PTR_ERR(chg->pdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) 	ret = max14577_charger_reg_init(chg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) 	ret = device_create_file(&pdev->dev, &dev_attr_fast_charge_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) 		dev_err(&pdev->dev, "failed: create sysfs entry\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) 	psy_cfg.drv_data = chg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) 	chg->charger = power_supply_register(&pdev->dev, &max14577_charger_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) 						&psy_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) 	if (IS_ERR(chg->charger)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) 		dev_err(&pdev->dev, "failed: power supply register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) 		ret = PTR_ERR(chg->charger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) 	/* Check for valid values for charger */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) 	BUILD_BUG_ON(MAX14577_CHARGER_EOC_CURRENT_LIMIT_MIN +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) 			MAX14577_CHARGER_EOC_CURRENT_LIMIT_STEP * 0xf !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) 			MAX14577_CHARGER_EOC_CURRENT_LIMIT_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) 	device_remove_file(&pdev->dev, &dev_attr_fast_charge_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) static int max14577_charger_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) 	struct max14577_charger *chg = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) 	device_remove_file(&pdev->dev, &dev_attr_fast_charge_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) 	power_supply_unregister(chg->charger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) static const struct platform_device_id max14577_charger_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) 	{ "max14577-charger", MAXIM_DEVICE_TYPE_MAX14577, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) 	{ "max77836-charger", MAXIM_DEVICE_TYPE_MAX77836, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) MODULE_DEVICE_TABLE(platform, max14577_charger_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) static const struct of_device_id of_max14577_charger_dt_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) 	{ .compatible = "maxim,max14577-charger",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) 	  .data = (void *)MAXIM_DEVICE_TYPE_MAX14577, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) 	{ .compatible = "maxim,max77836-charger",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) 	  .data = (void *)MAXIM_DEVICE_TYPE_MAX77836, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) 	{ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) MODULE_DEVICE_TABLE(of, of_max14577_charger_dt_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) static struct platform_driver max14577_charger_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) 		.name	= "max14577-charger",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) 		.of_match_table = of_max14577_charger_dt_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) 	.probe		= max14577_charger_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) 	.remove		= max14577_charger_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) 	.id_table	= max14577_charger_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) module_platform_driver(max14577_charger_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) MODULE_AUTHOR("Krzysztof Kozlowski <krzk@kernel.org>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) MODULE_DESCRIPTION("Maxim 14577/77836 charger driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) MODULE_LICENSE("GPL");