drivers/power/supply/qcom/qpnp-smb5.c

/* Copyright (c) 2018 The Linux Foundation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/debugfs.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/power_supply.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/log2.h>
#include <linux/qpnp/qpnp-revid.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/of_regulator.h>
#include <linux/regulator/machine.h>
#include <linux/pmic-voter.h>
#include "smb5-reg.h"
#include "smb5-lib.h"

static struct smb_params smb5_params = {
	.fcc			= {
		.name   = "fast charge current",
		.reg    = CHGR_FAST_CHARGE_CURRENT_CFG_REG,
		.min_u  = 0,
		.max_u  = 8000000,
		.step_u = 25000,
	},
	.fv			= {
		.name   = "float voltage",
		.reg    = CHGR_FLOAT_VOLTAGE_CFG_REG,
		.min_u  = 3600000,
		.max_u  = 4790000,
		.step_u = 10000,
	},
	.usb_icl		= {
		.name   = "usb input current limit",
		.reg    = USBIN_CURRENT_LIMIT_CFG_REG,
		.min_u  = 0,
		.max_u  = 5000000,
		.step_u = 50000,
	},
	.icl_stat		= {
		.name   = "input current limit status",
		.reg    = AICL_ICL_STATUS_REG,
		.min_u  = 0,
		.max_u  = 5000000,
		.step_u = 50000,
	},
	.otg_cl			= {
		.name	= "usb otg current limit",
		.reg	= DCDC_OTG_CURRENT_LIMIT_CFG_REG,
		.min_u	= 500000,
		.max_u	= 3000000,
		.step_u	= 500000,
	},
	.jeita_cc_comp_hot	= {
		.name	= "jeita fcc reduction",
		.reg	= JEITA_CCCOMP_CFG_HOT_REG,
		.min_u	= 0,
		.max_u	= 8000000,
		.step_u	= 25000,
		.set_proc = NULL,
	},
	.jeita_cc_comp_cold	= {
		.name	= "jeita fcc reduction",
		.reg	= JEITA_CCCOMP_CFG_COLD_REG,
		.min_u	= 0,
		.max_u	= 8000000,
		.step_u	= 25000,
		.set_proc = NULL,
	},
	.freq_switcher		= {
		.name	= "switching frequency",
		.reg	= DCDC_FSW_SEL_REG,
		.min_u	= 1200,
		.max_u	= 2400,
		.step_u	= 400,
		.set_proc = NULL,
	},
};

struct smb_dt_props {
	int			usb_icl_ua;
	struct device_node	*revid_dev_node;
	enum float_options	float_option;
	int			chg_inhibit_thr_mv;
	bool			no_battery;
	bool			hvdcp_disable;
	bool			auto_recharge_soc;
	int			wd_bark_time;
	int			batt_profile_fcc_ua;
	int			batt_profile_fv_uv;
};

struct smb5 {
	struct smb_charger	chg;
	struct dentry		*dfs_root;
	struct smb_dt_props	dt;
};

static int __debug_mask;
module_param_named(
	debug_mask, __debug_mask, int, 0600
);

static int __weak_chg_icl_ua = 500000;
module_param_named(
	weak_chg_icl_ua, __weak_chg_icl_ua, int, 0600
);

#define MICRO_1P5A		1500000
#define MICRO_P1A		100000
#define OTG_DEFAULT_DEGLITCH_TIME_MS	50
#define MIN_WD_BARK_TIME		16
#define DEFAULT_WD_BARK_TIME		64
#define BITE_WDOG_TIMEOUT_8S		0x3
#define BARK_WDOG_TIMEOUT_MASK		GENMASK(3, 2)
#define BARK_WDOG_TIMEOUT_SHIFT		2
static int smb5_parse_dt(struct smb5 *chip)
{
	struct smb_charger *chg = &chip->chg;
	struct device_node *node = chg->dev->of_node;
	int rc, byte_len;

	if (!node) {
		pr_err("device tree node missing\n");
		return -EINVAL;
	}

	chg->step_chg_enabled = of_property_read_bool(node,
				"qcom,step-charging-enable");

	chg->sw_jeita_enabled = of_property_read_bool(node,
				"qcom,sw-jeita-enable");

	rc = of_property_read_u32(node, "qcom,wd-bark-time-secs",
					&chip->dt.wd_bark_time);
	if (rc < 0 || chip->dt.wd_bark_time < MIN_WD_BARK_TIME)
		chip->dt.wd_bark_time = DEFAULT_WD_BARK_TIME;

	chip->dt.no_battery = of_property_read_bool(node,
						"qcom,batteryless-platform");

	rc = of_property_read_u32(node,
			"qcom,fcc-max-ua", &chip->dt.batt_profile_fcc_ua);
	if (rc < 0)
		chip->dt.batt_profile_fcc_ua = -EINVAL;

	rc = of_property_read_u32(node,
				"qcom,fv-max-uv", &chip->dt.batt_profile_fv_uv);
	if (rc < 0)
		chip->dt.batt_profile_fv_uv = -EINVAL;

	rc = of_property_read_u32(node,
				"qcom,usb-icl-ua", &chip->dt.usb_icl_ua);
	if (rc < 0)
		chip->dt.usb_icl_ua = -EINVAL;

	rc = of_property_read_u32(node,
				"qcom,otg-cl-ua", &chg->otg_cl_ua);
	if (rc < 0)
		chg->otg_cl_ua = MICRO_1P5A;

	if (of_find_property(node, "qcom,thermal-mitigation", &byte_len)) {
		chg->thermal_mitigation = devm_kzalloc(chg->dev, byte_len,
			GFP_KERNEL);

		if (chg->thermal_mitigation == NULL)
			return -ENOMEM;

		chg->thermal_levels = byte_len / sizeof(u32);
		rc = of_property_read_u32_array(node,
				"qcom,thermal-mitigation",
				chg->thermal_mitigation,
				chg->thermal_levels);
		if (rc < 0) {
			dev_err(chg->dev,
				"Couldn't read threm limits rc = %d\n", rc);
			return rc;
		}
	}

	rc = of_property_read_u32(node, "qcom,float-option",
						&chip->dt.float_option);
	if (!rc && (chip->dt.float_option < 0 || chip->dt.float_option > 4)) {
		pr_err("qcom,float-option is out of range [0, 4]\n");
		return -EINVAL;
	}

	chip->dt.hvdcp_disable = of_property_read_bool(node,
						"qcom,hvdcp-disable");


	rc = of_property_read_u32(node, "qcom,chg-inhibit-threshold-mv",
				&chip->dt.chg_inhibit_thr_mv);
	if (!rc && (chip->dt.chg_inhibit_thr_mv < 0 ||
				chip->dt.chg_inhibit_thr_mv > 300)) {
		pr_err("qcom,chg-inhibit-threshold-mv is incorrect\n");
		return -EINVAL;
	}

	chip->dt.auto_recharge_soc = of_property_read_bool(node,
						"qcom,auto-recharge-soc");

	chg->micro_usb_mode = of_property_read_bool(node, "qcom,micro-usb");

	chg->dcp_icl_ua = chip->dt.usb_icl_ua;

	chg->suspend_input_on_debug_batt = of_property_read_bool(node,
					"qcom,suspend-input-on-debug-batt");

	rc = of_property_read_u32(node, "qcom,otg-deglitch-time-ms",
					&chg->otg_delay_ms);
	if (rc < 0)
		chg->otg_delay_ms = OTG_DEFAULT_DEGLITCH_TIME_MS;

	return 0;
}

/************************
 * USB PSY REGISTRATION *
 ************************/
static enum power_supply_property smb5_usb_props[] = {
	POWER_SUPPLY_PROP_PRESENT,
	POWER_SUPPLY_PROP_ONLINE,
	POWER_SUPPLY_PROP_PD_CURRENT_MAX,
	POWER_SUPPLY_PROP_CURRENT_MAX,
	POWER_SUPPLY_PROP_TYPE,
	POWER_SUPPLY_PROP_TYPEC_MODE,
	POWER_SUPPLY_PROP_TYPEC_POWER_ROLE,
	POWER_SUPPLY_PROP_TYPEC_CC_ORIENTATION,
	POWER_SUPPLY_PROP_PD_ALLOWED,
	POWER_SUPPLY_PROP_PD_ACTIVE,
	POWER_SUPPLY_PROP_INPUT_CURRENT_SETTLED,
	POWER_SUPPLY_PROP_INPUT_CURRENT_NOW,
	POWER_SUPPLY_PROP_BOOST_CURRENT,
	POWER_SUPPLY_PROP_PE_START,
	POWER_SUPPLY_PROP_CTM_CURRENT_MAX,
	POWER_SUPPLY_PROP_HW_CURRENT_MAX,
	POWER_SUPPLY_PROP_REAL_TYPE,
	POWER_SUPPLY_PROP_PR_SWAP,
	POWER_SUPPLY_PROP_PD_VOLTAGE_MAX,
	POWER_SUPPLY_PROP_PD_VOLTAGE_MIN,
	POWER_SUPPLY_PROP_SDP_CURRENT_MAX,
};

static int smb5_usb_get_prop(struct power_supply *psy,
		enum power_supply_property psp,
		union power_supply_propval *val)
{
	struct smb5 *chip = power_supply_get_drvdata(psy);
	struct smb_charger *chg = &chip->chg;
	int rc = 0;

	switch (psp) {
	case POWER_SUPPLY_PROP_PRESENT:
		rc = smblib_get_prop_usb_present(chg, val);
		break;
	case POWER_SUPPLY_PROP_ONLINE:
		rc = smblib_get_prop_usb_online(chg, val);
		if (!val->intval)
			break;

		if ((chg->typec_mode == POWER_SUPPLY_TYPEC_SOURCE_DEFAULT ||
			chg->micro_usb_mode) &&
			chg->real_charger_type == POWER_SUPPLY_TYPE_USB)
			val->intval = 0;
		else
			val->intval = 1;
		if (chg->real_charger_type == POWER_SUPPLY_TYPE_UNKNOWN)
			val->intval = 0;
		break;
	case POWER_SUPPLY_PROP_VOLTAGE_MAX:
		rc = smblib_get_prop_usb_voltage_max(chg, val);
		break;
	case POWER_SUPPLY_PROP_PD_CURRENT_MAX:
		val->intval = get_client_vote(chg->usb_icl_votable, PD_VOTER);
		break;
	case POWER_SUPPLY_PROP_CURRENT_MAX:
		rc = smblib_get_prop_input_current_settled(chg, val);
		break;
	case POWER_SUPPLY_PROP_TYPE:
		val->intval = POWER_SUPPLY_TYPE_USB_PD;
		break;
	case POWER_SUPPLY_PROP_REAL_TYPE:
		val->intval = chg->real_charger_type;
		break;
	case POWER_SUPPLY_PROP_TYPEC_MODE:
		if (chg->micro_usb_mode)
			val->intval = POWER_SUPPLY_TYPEC_NONE;
		else
			val->intval = chg->typec_mode;
		break;
	case POWER_SUPPLY_PROP_TYPEC_POWER_ROLE:
		if (chg->micro_usb_mode)
			val->intval = POWER_SUPPLY_TYPEC_PR_NONE;
		else
			rc = smblib_get_prop_typec_power_role(chg, val);
		break;
	case POWER_SUPPLY_PROP_TYPEC_CC_ORIENTATION:
		if (chg->micro_usb_mode)
			val->intval = 0;
		else
			rc = smblib_get_prop_typec_cc_orientation(chg, val);
		break;
	case POWER_SUPPLY_PROP_PD_ALLOWED:
		rc = smblib_get_prop_pd_allowed(chg, val);
		break;
	case POWER_SUPPLY_PROP_PD_ACTIVE:
		val->intval = chg->pd_active;
		break;
	case POWER_SUPPLY_PROP_INPUT_CURRENT_SETTLED:
		rc = smblib_get_prop_input_current_settled(chg, val);
		break;
	case POWER_SUPPLY_PROP_BOOST_CURRENT:
		val->intval = chg->boost_current_ua;
		break;
	case POWER_SUPPLY_PROP_PD_IN_HARD_RESET:
		rc = smblib_get_prop_pd_in_hard_reset(chg, val);
		break;
	case POWER_SUPPLY_PROP_PD_USB_SUSPEND_SUPPORTED:
		val->intval = chg->system_suspend_supported;
		break;
	case POWER_SUPPLY_PROP_PE_START:
		rc = smblib_get_pe_start(chg, val);
		break;
	case POWER_SUPPLY_PROP_CTM_CURRENT_MAX:
		val->intval = get_client_vote(chg->usb_icl_votable, CTM_VOTER);
		break;
	case POWER_SUPPLY_PROP_HW_CURRENT_MAX:
		rc = smblib_get_charge_current(chg, &val->intval);
		break;
	case POWER_SUPPLY_PROP_PR_SWAP:
		rc = smblib_get_prop_pr_swap_in_progress(chg, val);
		break;
	case POWER_SUPPLY_PROP_PD_VOLTAGE_MAX:
		val->intval = chg->voltage_max_uv;
		break;
	case POWER_SUPPLY_PROP_PD_VOLTAGE_MIN:
		val->intval = chg->voltage_min_uv;
		break;
	case POWER_SUPPLY_PROP_SDP_CURRENT_MAX:
		val->intval = get_client_vote(chg->usb_icl_votable,
					      USB_PSY_VOTER);
		break;
	default:
		pr_err("get prop %d is not supported in usb\n", psp);
		rc = -EINVAL;
		break;
	}

	if (rc < 0) {
		pr_debug("Couldn't get prop %d rc = %d\n", psp, rc);
		return -ENODATA;
	}

	return 0;
}

static int smb5_usb_set_prop(struct power_supply *psy,
		enum power_supply_property psp,
		const union power_supply_propval *val)
{
	struct smb5 *chip = power_supply_get_drvdata(psy);
	struct smb_charger *chg = &chip->chg;
	int rc = 0;

	mutex_lock(&chg->lock);
	if (!chg->typec_present) {
		rc = -EINVAL;
		goto unlock;
	}

	switch (psp) {
	case POWER_SUPPLY_PROP_PD_CURRENT_MAX:
		rc = smblib_set_prop_pd_current_max(chg, val);
		break;
	case POWER_SUPPLY_PROP_TYPEC_POWER_ROLE:
		rc = smblib_set_prop_typec_power_role(chg, val);
		break;
	case POWER_SUPPLY_PROP_PD_ACTIVE:
		rc = smblib_set_prop_pd_active(chg, val);
		break;
	case POWER_SUPPLY_PROP_PD_IN_HARD_RESET:
		rc = smblib_set_prop_pd_in_hard_reset(chg, val);
		break;
	case POWER_SUPPLY_PROP_PD_USB_SUSPEND_SUPPORTED:
		chg->system_suspend_supported = val->intval;
		break;
	case POWER_SUPPLY_PROP_BOOST_CURRENT:
		rc = smblib_set_prop_boost_current(chg, val);
		break;
	case POWER_SUPPLY_PROP_CTM_CURRENT_MAX:
		rc = vote(chg->usb_icl_votable, CTM_VOTER,
						val->intval >= 0, val->intval);
		break;
	case POWER_SUPPLY_PROP_PR_SWAP:
		rc = smblib_set_prop_pr_swap_in_progress(chg, val);
		break;
	case POWER_SUPPLY_PROP_PD_VOLTAGE_MAX:
		rc = smblib_set_prop_pd_voltage_max(chg, val);
		break;
	case POWER_SUPPLY_PROP_PD_VOLTAGE_MIN:
		rc = smblib_set_prop_pd_voltage_min(chg, val);
		break;
	case POWER_SUPPLY_PROP_SDP_CURRENT_MAX:
		rc = smblib_set_prop_sdp_current_max(chg, val);
		break;
	default:
		pr_err("set prop %d is not supported\n", psp);
		rc = -EINVAL;
		break;
	}

unlock:
	mutex_unlock(&chg->lock);
	return rc;
}

static int smb5_usb_prop_is_writeable(struct power_supply *psy,
		enum power_supply_property psp)
{
	switch (psp) {
	case POWER_SUPPLY_PROP_CTM_CURRENT_MAX:
		return 1;
	default:
		break;
	}

	return 0;
}

static const struct power_supply_desc usb_psy_desc = {
	.name = "usb",
	.type = POWER_SUPPLY_TYPE_USB_PD,
	.properties = smb5_usb_props,
	.num_properties = ARRAY_SIZE(smb5_usb_props),
	.get_property = smb5_usb_get_prop,
	.set_property = smb5_usb_set_prop,
	.property_is_writeable = smb5_usb_prop_is_writeable,
};

static int smb5_init_usb_psy(struct smb5 *chip)
{
	struct power_supply_config usb_cfg = {};
	struct smb_charger *chg = &chip->chg;

	usb_cfg.drv_data = chip;
	usb_cfg.of_node = chg->dev->of_node;
	chg->usb_psy = devm_power_supply_register(chg->dev,
						  &usb_psy_desc,
						  &usb_cfg);
	if (IS_ERR(chg->usb_psy)) {
		pr_err("Couldn't register USB power supply\n");
		return PTR_ERR(chg->usb_psy);
	}

	return 0;
}

/********************************
 * USB PC_PORT PSY REGISTRATION *
 ********************************/
static enum power_supply_property smb5_usb_port_props[] = {
	POWER_SUPPLY_PROP_TYPE,
	POWER_SUPPLY_PROP_ONLINE,
	POWER_SUPPLY_PROP_VOLTAGE_MAX,
	POWER_SUPPLY_PROP_CURRENT_MAX,
};

static int smb5_usb_port_get_prop(struct power_supply *psy,
		enum power_supply_property psp,
		union power_supply_propval *val)
{
	struct smb5 *chip = power_supply_get_drvdata(psy);
	struct smb_charger *chg = &chip->chg;
	int rc = 0;

	switch (psp) {
	case POWER_SUPPLY_PROP_TYPE:
		val->intval = POWER_SUPPLY_TYPE_USB;
		break;
	case POWER_SUPPLY_PROP_ONLINE:
		rc = smblib_get_prop_usb_online(chg, val);
		if (!val->intval)
			break;

		if ((chg->typec_mode == POWER_SUPPLY_TYPEC_SOURCE_DEFAULT ||
			chg->micro_usb_mode) &&
			chg->real_charger_type == POWER_SUPPLY_TYPE_USB)
			val->intval = 1;
		else
			val->intval = 0;
		break;
	case POWER_SUPPLY_PROP_VOLTAGE_MAX:
		val->intval = 5000000;
		break;
	case POWER_SUPPLY_PROP_CURRENT_MAX:
		rc = smblib_get_prop_input_current_settled(chg, val);
		break;
	default:
		pr_err_ratelimited("Get prop %d is not supported in pc_port\n",
				psp);
		return -EINVAL;
	}

	if (rc < 0) {
		pr_debug("Couldn't get prop %d rc = %d\n", psp, rc);
		return -ENODATA;
	}

	return 0;
}

static int smb5_usb_port_set_prop(struct power_supply *psy,
		enum power_supply_property psp,
		const union power_supply_propval *val)
{
	int rc = 0;

	switch (psp) {
	default:
		pr_err_ratelimited("Set prop %d is not supported in pc_port\n",
				psp);
		rc = -EINVAL;
		break;
	}

	return rc;
}

static const struct power_supply_desc usb_port_psy_desc = {
	.name		= "pc_port",
	.type		= POWER_SUPPLY_TYPE_USB,
	.properties	= smb5_usb_port_props,
	.num_properties	= ARRAY_SIZE(smb5_usb_port_props),
	.get_property	= smb5_usb_port_get_prop,
	.set_property	= smb5_usb_port_set_prop,
};

static int smb5_init_usb_port_psy(struct smb5 *chip)
{
	struct power_supply_config usb_port_cfg = {};
	struct smb_charger *chg = &chip->chg;

	usb_port_cfg.drv_data = chip;
	usb_port_cfg.of_node = chg->dev->of_node;
	chg->usb_port_psy = devm_power_supply_register(chg->dev,
						  &usb_port_psy_desc,
						  &usb_port_cfg);
	if (IS_ERR(chg->usb_port_psy)) {
		pr_err("Couldn't register USB pc_port power supply\n");
		return PTR_ERR(chg->usb_port_psy);
	}

	return 0;
}

/*****************************
 * USB MAIN PSY REGISTRATION *
 *****************************/

static enum power_supply_property smb5_usb_main_props[] = {
	POWER_SUPPLY_PROP_VOLTAGE_MAX,
	POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
	POWER_SUPPLY_PROP_TYPE,
	POWER_SUPPLY_PROP_INPUT_CURRENT_SETTLED,
	POWER_SUPPLY_PROP_INPUT_VOLTAGE_SETTLED,
	POWER_SUPPLY_PROP_FCC_DELTA,
	POWER_SUPPLY_PROP_CURRENT_MAX,
};

static int smb5_usb_main_get_prop(struct power_supply *psy,
		enum power_supply_property psp,
		union power_supply_propval *val)
{
	struct smb5 *chip = power_supply_get_drvdata(psy);
	struct smb_charger *chg = &chip->chg;
	int rc = 0;

	switch (psp) {
	case POWER_SUPPLY_PROP_VOLTAGE_MAX:
		rc = smblib_get_charge_param(chg, &chg->param.fv, &val->intval);
		break;
	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
		rc = smblib_get_charge_param(chg, &chg->param.fcc,
							&val->intval);
		break;
	case POWER_SUPPLY_PROP_TYPE:
		val->intval = POWER_SUPPLY_TYPE_MAIN;
		break;
	case POWER_SUPPLY_PROP_INPUT_CURRENT_SETTLED:
		rc = smblib_get_prop_input_current_settled(chg, val);
		break;
	case POWER_SUPPLY_PROP_INPUT_VOLTAGE_SETTLED:
		rc = smblib_get_prop_input_voltage_settled(chg, val);
		break;
	case POWER_SUPPLY_PROP_FCC_DELTA:
		rc = smblib_get_prop_fcc_delta(chg, val);
		break;
	case POWER_SUPPLY_PROP_CURRENT_MAX:
		rc = smblib_get_icl_current(chg, &val->intval);
		break;
	default:
		pr_debug("get prop %d is not supported in usb-main\n", psp);
		rc = -EINVAL;
		break;
	}
	if (rc < 0) {
		pr_debug("Couldn't get prop %d rc = %d\n", psp, rc);
		return -ENODATA;
	}

	return 0;
}

static int smb5_usb_main_set_prop(struct power_supply *psy,
		enum power_supply_property psp,
		const union power_supply_propval *val)
{
	struct smb5 *chip = power_supply_get_drvdata(psy);
	struct smb_charger *chg = &chip->chg;
	int rc = 0;

	switch (psp) {
	case POWER_SUPPLY_PROP_VOLTAGE_MAX:
		rc = smblib_set_charge_param(chg, &chg->param.fv, val->intval);
		break;
	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
		rc = smblib_set_charge_param(chg, &chg->param.fcc, val->intval);
		break;
	case POWER_SUPPLY_PROP_CURRENT_MAX:
		rc = smblib_set_icl_current(chg, val->intval);
		break;
	default:
		pr_err("set prop %d is not supported\n", psp);
		rc = -EINVAL;
		break;
	}

	return rc;
}

static const struct power_supply_desc usb_main_psy_desc = {
	.name		= "main",
	.type		= POWER_SUPPLY_TYPE_MAIN,
	.properties	= smb5_usb_main_props,
	.num_properties	= ARRAY_SIZE(smb5_usb_main_props),
	.get_property	= smb5_usb_main_get_prop,
	.set_property	= smb5_usb_main_set_prop,
};

static int smb5_init_usb_main_psy(struct smb5 *chip)
{
	struct power_supply_config usb_main_cfg = {};
	struct smb_charger *chg = &chip->chg;

	usb_main_cfg.drv_data = chip;
	usb_main_cfg.of_node = chg->dev->of_node;
	chg->usb_main_psy = devm_power_supply_register(chg->dev,
						  &usb_main_psy_desc,
						  &usb_main_cfg);
	if (IS_ERR(chg->usb_main_psy)) {
		pr_err("Couldn't register USB main power supply\n");
		return PTR_ERR(chg->usb_main_psy);
	}

	return 0;
}

/*************************
 * DC PSY REGISTRATION   *
 *************************/

static enum power_supply_property smb5_dc_props[] = {
	POWER_SUPPLY_PROP_INPUT_SUSPEND,
	POWER_SUPPLY_PROP_PRESENT,
	POWER_SUPPLY_PROP_ONLINE,
	POWER_SUPPLY_PROP_REAL_TYPE,
};

static int smb5_dc_get_prop(struct power_supply *psy,
		enum power_supply_property psp,
		union power_supply_propval *val)
{
	struct smb5 *chip = power_supply_get_drvdata(psy);
	struct smb_charger *chg = &chip->chg;
	int rc = 0;

	switch (psp) {
	case POWER_SUPPLY_PROP_INPUT_SUSPEND:
		val->intval = get_effective_result(chg->dc_suspend_votable);
		break;
	case POWER_SUPPLY_PROP_PRESENT:
		rc = smblib_get_prop_dc_present(chg, val);
		break;
	case POWER_SUPPLY_PROP_ONLINE:
		rc = smblib_get_prop_dc_online(chg, val);
		break;
	case POWER_SUPPLY_PROP_REAL_TYPE:
		val->intval = POWER_SUPPLY_TYPE_WIPOWER;
		break;
	default:
		return -EINVAL;
	}
	if (rc < 0) {
		pr_debug("Couldn't get prop %d rc = %d\n", psp, rc);
		return -ENODATA;
	}
	return 0;
}

static int smb5_dc_set_prop(struct power_supply *psy,
		enum power_supply_property psp,
		const union power_supply_propval *val)
{
	struct smb5 *chip = power_supply_get_drvdata(psy);
	struct smb_charger *chg = &chip->chg;
	int rc = 0;

	switch (psp) {
	case POWER_SUPPLY_PROP_INPUT_SUSPEND:
		rc = vote(chg->dc_suspend_votable, WBC_VOTER,
				(bool)val->intval, 0);
		break;
	default:
		return -EINVAL;
	}

	return rc;
}

static int smb5_dc_prop_is_writeable(struct power_supply *psy,
		enum power_supply_property psp)
{
	int rc;

	switch (psp) {
	default:
		rc = 0;
		break;
	}

	return rc;
}

static const struct power_supply_desc dc_psy_desc = {
	.name = "dc",
	.type = POWER_SUPPLY_TYPE_WIRELESS,
	.properties = smb5_dc_props,
	.num_properties = ARRAY_SIZE(smb5_dc_props),
	.get_property = smb5_dc_get_prop,
	.set_property = smb5_dc_set_prop,
	.property_is_writeable = smb5_dc_prop_is_writeable,
};

static int smb5_init_dc_psy(struct smb5 *chip)
{
	struct power_supply_config dc_cfg = {};
	struct smb_charger *chg = &chip->chg;

	dc_cfg.drv_data = chip;
	dc_cfg.of_node = chg->dev->of_node;
	chg->dc_psy = devm_power_supply_register(chg->dev,
						  &dc_psy_desc,
						  &dc_cfg);
	if (IS_ERR(chg->dc_psy)) {
		pr_err("Couldn't register USB power supply\n");
		return PTR_ERR(chg->dc_psy);
	}

	return 0;
}

/*************************
 * BATT PSY REGISTRATION *
 *************************/
static enum power_supply_property smb5_batt_props[] = {
	POWER_SUPPLY_PROP_INPUT_SUSPEND,
	POWER_SUPPLY_PROP_STATUS,
	POWER_SUPPLY_PROP_HEALTH,
	POWER_SUPPLY_PROP_PRESENT,
	POWER_SUPPLY_PROP_CHARGE_TYPE,
	POWER_SUPPLY_PROP_CAPACITY,
	POWER_SUPPLY_PROP_INPUT_CURRENT_LIMITED,
	POWER_SUPPLY_PROP_VOLTAGE_NOW,
	POWER_SUPPLY_PROP_VOLTAGE_MAX,
	POWER_SUPPLY_PROP_CURRENT_NOW,
	POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
	POWER_SUPPLY_PROP_TEMP,
	POWER_SUPPLY_PROP_TECHNOLOGY,
	POWER_SUPPLY_PROP_STEP_CHARGING_ENABLED,
	POWER_SUPPLY_PROP_SW_JEITA_ENABLED,
	POWER_SUPPLY_PROP_CHARGE_DONE,
	POWER_SUPPLY_PROP_PARALLEL_DISABLE,
	POWER_SUPPLY_PROP_SET_SHIP_MODE,
	POWER_SUPPLY_PROP_DIE_HEALTH,
	POWER_SUPPLY_PROP_RERUN_AICL,
	POWER_SUPPLY_PROP_DP_DM,
	POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX,
	POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT,
	POWER_SUPPLY_PROP_CHARGE_COUNTER,
};

static int smb5_batt_get_prop(struct power_supply *psy,
		enum power_supply_property psp,
		union power_supply_propval *val)
{
	struct smb_charger *chg = power_supply_get_drvdata(psy);
	int rc = 0;

	switch (psp) {
	case POWER_SUPPLY_PROP_STATUS:
		rc = smblib_get_prop_batt_status(chg, val);
		break;
	case POWER_SUPPLY_PROP_HEALTH:
		rc = smblib_get_prop_batt_health(chg, val);
		break;
	case POWER_SUPPLY_PROP_PRESENT:
		rc = smblib_get_prop_batt_present(chg, val);
		break;
	case POWER_SUPPLY_PROP_INPUT_SUSPEND:
		rc = smblib_get_prop_input_suspend(chg, val);
		break;
	case POWER_SUPPLY_PROP_CHARGE_TYPE:
		rc = smblib_get_prop_batt_charge_type(chg, val);
		break;
	case POWER_SUPPLY_PROP_CAPACITY:
		rc = smblib_get_prop_batt_capacity(chg, val);
		break;
	case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT:
		rc = smblib_get_prop_system_temp_level(chg, val);
		break;
	case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX:
		rc = smblib_get_prop_system_temp_level_max(chg, val);
		break;
	case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMITED:
		rc = smblib_get_prop_input_current_limited(chg, val);
		break;
	case POWER_SUPPLY_PROP_STEP_CHARGING_ENABLED:
		val->intval = chg->step_chg_enabled;
		break;
	case POWER_SUPPLY_PROP_SW_JEITA_ENABLED:
		val->intval = chg->sw_jeita_enabled;
		break;
	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
		rc = smblib_get_prop_batt_voltage_now(chg, val);
		break;
	case POWER_SUPPLY_PROP_VOLTAGE_MAX:
		val->intval = get_client_vote(chg->fv_votable,
				BATT_PROFILE_VOTER);
		break;
	case POWER_SUPPLY_PROP_CURRENT_NOW:
		rc = smblib_get_prop_batt_current_now(chg, val);
		break;
	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
		val->intval = get_client_vote(chg->fcc_votable,
					      BATT_PROFILE_VOTER);
		break;
	case POWER_SUPPLY_PROP_TEMP:
		rc = smblib_get_prop_batt_temp(chg, val);
		break;
	case POWER_SUPPLY_PROP_TECHNOLOGY:
		val->intval = POWER_SUPPLY_TECHNOLOGY_LION;
		break;
	case POWER_SUPPLY_PROP_CHARGE_DONE:
		rc = smblib_get_prop_batt_charge_done(chg, val);
		break;
	case POWER_SUPPLY_PROP_PARALLEL_DISABLE:
		val->intval = get_client_vote(chg->pl_disable_votable,
					      USER_VOTER);
		break;
	case POWER_SUPPLY_PROP_SET_SHIP_MODE:
		/* Not in ship mode as long as device is active */
		val->intval = 0;
		break;
	case POWER_SUPPLY_PROP_DIE_HEALTH:
		if (chg->die_health == -EINVAL)
			rc = smblib_get_prop_die_health(chg, val);
		else
			val->intval = chg->die_health;
		break;
	case POWER_SUPPLY_PROP_DP_DM:
		val->intval = chg->pulse_cnt;
		break;
	case POWER_SUPPLY_PROP_RERUN_AICL:
		val->intval = 0;
		break;
	case POWER_SUPPLY_PROP_CHARGE_COUNTER:
		rc = smblib_get_prop_batt_charge_counter(chg, val);
		break;
	default:
		pr_err("batt power supply prop %d not supported\n", psp);
		return -EINVAL;
	}

	if (rc < 0) {
		pr_debug("Couldn't get prop %d rc = %d\n", psp, rc);
		return -ENODATA;
	}

	return 0;
}

static int smb5_batt_set_prop(struct power_supply *psy,
		enum power_supply_property prop,
		const union power_supply_propval *val)
{
	int rc = 0;
	struct smb_charger *chg = power_supply_get_drvdata(psy);

	switch (prop) {
	case POWER_SUPPLY_PROP_STATUS:
		rc = smblib_set_prop_batt_status(chg, val);
		break;
	case POWER_SUPPLY_PROP_INPUT_SUSPEND:
		rc = smblib_set_prop_input_suspend(chg, val);
		break;
	case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT:
		rc = smblib_set_prop_system_temp_level(chg, val);
		break;
	case POWER_SUPPLY_PROP_CAPACITY:
		rc = smblib_set_prop_batt_capacity(chg, val);
		break;
	case POWER_SUPPLY_PROP_PARALLEL_DISABLE:
		vote(chg->pl_disable_votable, USER_VOTER, (bool)val->intval, 0);
		break;
	case POWER_SUPPLY_PROP_VOLTAGE_MAX:
		chg->batt_profile_fv_uv = val->intval;
		vote(chg->fv_votable, BATT_PROFILE_VOTER, true, val->intval);
		break;
	case POWER_SUPPLY_PROP_STEP_CHARGING_ENABLED:
		chg->step_chg_enabled = !!val->intval;
		break;
	case POWER_SUPPLY_PROP_SW_JEITA_ENABLED:
		if (chg->sw_jeita_enabled != (!!val->intval)) {
			rc = smblib_disable_hw_jeita(chg, !!val->intval);
			if (rc == 0)
				chg->sw_jeita_enabled = !!val->intval;
		}
		break;
	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
		chg->batt_profile_fcc_ua = val->intval;
		vote(chg->fcc_votable, BATT_PROFILE_VOTER, true, val->intval);
		break;
	case POWER_SUPPLY_PROP_SET_SHIP_MODE:
		/* Not in ship mode as long as the device is active */
		if (!val->intval)
			break;
		if (chg->pl.psy)
			power_supply_set_property(chg->pl.psy,
				POWER_SUPPLY_PROP_SET_SHIP_MODE, val);
		rc = smblib_set_prop_ship_mode(chg, val);
		break;
	case POWER_SUPPLY_PROP_RERUN_AICL:
		rc = smblib_rerun_aicl(chg);
		break;
	case POWER_SUPPLY_PROP_DP_DM:
		rc = smblib_dp_dm(chg, val->intval);
		break;
	case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMITED:
		rc = smblib_set_prop_input_current_limited(chg, val);
		break;
	case POWER_SUPPLY_PROP_DIE_HEALTH:
		chg->die_health = val->intval;
		power_supply_changed(chg->batt_psy);
		break;
	default:
		rc = -EINVAL;
	}

	return rc;
}

static int smb5_batt_prop_is_writeable(struct power_supply *psy,
		enum power_supply_property psp)
{
	switch (psp) {
	case POWER_SUPPLY_PROP_STATUS:
	case POWER_SUPPLY_PROP_INPUT_SUSPEND:
	case POWER_SUPPLY_PROP_SYSTEM_TEMP_LEVEL:
	case POWER_SUPPLY_PROP_CAPACITY:
	case POWER_SUPPLY_PROP_PARALLEL_DISABLE:
	case POWER_SUPPLY_PROP_DP_DM:
	case POWER_SUPPLY_PROP_RERUN_AICL:
	case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMITED:
	case POWER_SUPPLY_PROP_STEP_CHARGING_ENABLED:
	case POWER_SUPPLY_PROP_SW_JEITA_ENABLED:
	case POWER_SUPPLY_PROP_DIE_HEALTH:
		return 1;
	default:
		break;
	}

	return 0;
}

static const struct power_supply_desc batt_psy_desc = {
	.name = "battery",
	.type = POWER_SUPPLY_TYPE_BATTERY,
	.properties = smb5_batt_props,
	.num_properties = ARRAY_SIZE(smb5_batt_props),
	.get_property = smb5_batt_get_prop,
	.set_property = smb5_batt_set_prop,
	.property_is_writeable = smb5_batt_prop_is_writeable,
};

static int smb5_init_batt_psy(struct smb5 *chip)
{
	struct power_supply_config batt_cfg = {};
	struct smb_charger *chg = &chip->chg;
	int rc = 0;

	batt_cfg.drv_data = chg;
	batt_cfg.of_node = chg->dev->of_node;
	chg->batt_psy = devm_power_supply_register(chg->dev,
					   &batt_psy_desc,
					   &batt_cfg);
	if (IS_ERR(chg->batt_psy)) {
		pr_err("Couldn't register battery power supply\n");
		return PTR_ERR(chg->batt_psy);
	}

	return rc;
}

/******************************
 * VBUS REGULATOR REGISTRATION *
 ******************************/

static struct regulator_ops smb5_vbus_reg_ops = {
	.enable = smblib_vbus_regulator_enable,
	.disable = smblib_vbus_regulator_disable,
	.is_enabled = smblib_vbus_regulator_is_enabled,
};

static int smb5_init_vbus_regulator(struct smb5 *chip)
{
	struct smb_charger *chg = &chip->chg;
	struct regulator_config cfg = {};
	int rc = 0;

	chg->vbus_vreg = devm_kzalloc(chg->dev, sizeof(*chg->vbus_vreg),
				      GFP_KERNEL);
	if (!chg->vbus_vreg)
		return -ENOMEM;

	cfg.dev = chg->dev;
	cfg.driver_data = chip;

	chg->vbus_vreg->rdesc.owner = THIS_MODULE;
	chg->vbus_vreg->rdesc.type = REGULATOR_VOLTAGE;
	chg->vbus_vreg->rdesc.ops = &smb5_vbus_reg_ops;
	chg->vbus_vreg->rdesc.of_match = "qcom,smb5-vbus";
	chg->vbus_vreg->rdesc.name = "qcom,smb5-vbus";

	chg->vbus_vreg->rdev = devm_regulator_register(chg->dev,
						&chg->vbus_vreg->rdesc, &cfg);
	if (IS_ERR(chg->vbus_vreg->rdev)) {
		rc = PTR_ERR(chg->vbus_vreg->rdev);
		chg->vbus_vreg->rdev = NULL;
		if (rc != -EPROBE_DEFER)
			pr_err("Couldn't register VBUS regulator rc=%d\n", rc);
	}

	return rc;
}

/******************************
 * VCONN REGULATOR REGISTRATION *
 ******************************/

static struct regulator_ops smb5_vconn_reg_ops = {
	.enable = smblib_vconn_regulator_enable,
	.disable = smblib_vconn_regulator_disable,
	.is_enabled = smblib_vconn_regulator_is_enabled,
};

static int smb5_init_vconn_regulator(struct smb5 *chip)
{
	struct smb_charger *chg = &chip->chg;
	struct regulator_config cfg = {};
	int rc = 0;

	if (chg->micro_usb_mode)
		return 0;

	chg->vconn_vreg = devm_kzalloc(chg->dev, sizeof(*chg->vconn_vreg),
				      GFP_KERNEL);
	if (!chg->vconn_vreg)
		return -ENOMEM;

	cfg.dev = chg->dev;
	cfg.driver_data = chip;

	chg->vconn_vreg->rdesc.owner = THIS_MODULE;
	chg->vconn_vreg->rdesc.type = REGULATOR_VOLTAGE;
	chg->vconn_vreg->rdesc.ops = &smb5_vconn_reg_ops;
	chg->vconn_vreg->rdesc.of_match = "qcom,smb5-vconn";
	chg->vconn_vreg->rdesc.name = "qcom,smb5-vconn";

	chg->vconn_vreg->rdev = devm_regulator_register(chg->dev,
						&chg->vconn_vreg->rdesc, &cfg);
	if (IS_ERR(chg->vconn_vreg->rdev)) {
		rc = PTR_ERR(chg->vconn_vreg->rdev);
		chg->vconn_vreg->rdev = NULL;
		if (rc != -EPROBE_DEFER)
			pr_err("Couldn't register VCONN regulator rc=%d\n", rc);
	}

	return rc;
}

/***************************
 * HARDWARE INITIALIZATION *
 ***************************/
static int smb5_configure_typec(struct smb_charger *chg)
{
	int rc;

	rc = smblib_write(chg, TYPE_C_INTERRUPT_EN_CFG_1_REG,
				TYPEC_CCOUT_DETACH_INT_EN_BIT |
				TYPEC_CCOUT_ATTACH_INT_EN_BIT);
	if (rc < 0) {
		dev_err(chg->dev,
			"Couldn't configure Type-C interrupts rc=%d\n", rc);
		return rc;
	}

	rc = smblib_write(chg, TYPE_C_INTERRUPT_EN_CFG_2_REG,
				MICRO_USB_STATE_CHANGE_INT_EN_BIT |
				TYPEC_WATER_DETECTION_INT_EN_BIT);
	if (rc < 0) {
		dev_err(chg->dev,
			"Couldn't configure Type-C interrupts rc=%d\n", rc);
		return rc;
	}

	/* configure VCONN for software control */
	rc = smblib_masked_write(chg, TYPE_C_VCONN_CONTROL_REG,
				 VCONN_EN_SRC_BIT | VCONN_EN_VALUE_BIT,
				 VCONN_EN_SRC_BIT);
	if (rc < 0) {
		dev_err(chg->dev,
			"Couldn't configure VCONN for SW control rc=%d\n", rc);
		return rc;
	}

	return rc;
}

static int smb5_configure_micro_usb(struct smb_charger *chg)
{
	int rc;

	/* configure micro USB mode */
	rc = smblib_masked_write(chg, TYPEC_U_USB_CFG_REG,
			EN_MICRO_USB_MODE_BIT, EN_MICRO_USB_MODE_BIT);
	if (rc < 0) {
		dev_err(chg->dev, "Couldn't enable micro USB mode rc=%d\n", rc);
		return rc;
	}

	return rc;
}

static int smb5_init_hw(struct smb5 *chip)
{
	struct smb_charger *chg = &chip->chg;
	int rc;
	u8 val;

	if (chip->dt.no_battery)
		chg->fake_capacity = 50;

	if (chip->dt.batt_profile_fcc_ua < 0)
		smblib_get_charge_param(chg, &chg->param.fcc,
				&chg->batt_profile_fcc_ua);

	if (chip->dt.batt_profile_fv_uv < 0)
		smblib_get_charge_param(chg, &chg->param.fv,
				&chg->batt_profile_fv_uv);

	smblib_get_charge_param(chg, &chg->param.usb_icl,
				&chg->default_icl_ua);
	if (chip->dt.usb_icl_ua < 0)
		chip->dt.usb_icl_ua = chg->default_icl_ua;

	/* vote 0mA on usb_icl for non battery platforms */
	vote(chg->usb_icl_votable,
		DEFAULT_VOTER, chip->dt.no_battery, 0);
	vote(chg->dc_suspend_votable,
		DEFAULT_VOTER, chip->dt.no_battery, 0);
	vote(chg->fcc_votable, HW_LIMIT_VOTER,
		chip->dt.batt_profile_fcc_ua > 0, chip->dt.batt_profile_fcc_ua);
	vote(chg->fv_votable, HW_LIMIT_VOTER,
		chip->dt.batt_profile_fv_uv > 0, chip->dt.batt_profile_fv_uv);
	vote(chg->fcc_votable,
		BATT_PROFILE_VOTER, true, chg->batt_profile_fcc_ua);
	vote(chg->fv_votable,
		BATT_PROFILE_VOTER, true, chg->batt_profile_fv_uv);
	vote(chg->pd_disallowed_votable_indirect, CC_DETACHED_VOTER,
			true, 0);
	vote(chg->pd_disallowed_votable_indirect, APSD_VOTER,
			true, 0);
	vote(chg->pd_disallowed_votable_indirect, MICRO_USB_VOTER,
			chg->micro_usb_mode, 0);

	/*
	 * AICL configuration:
	 * start from min and AICL ADC disable
	 */
	rc = smblib_masked_write(chg, USBIN_AICL_OPTIONS_CFG_REG,
				USBIN_AICL_ADC_EN_BIT, 0);
	if (rc < 0) {
		dev_err(chg->dev, "Couldn't configure AICL rc=%d\n", rc);
		return rc;
	}

	/* enable the charging path */
	rc = vote(chg->chg_disable_votable, DEFAULT_VOTER, false, 0);
	if (rc < 0) {
		dev_err(chg->dev, "Couldn't enable charging rc=%d\n", rc);
		return rc;
	}

	if (chg->micro_usb_mode)
		rc = smb5_configure_micro_usb(chg);
	else
		rc = smb5_configure_typec(chg);
	if (rc < 0) {
		dev_err(chg->dev,
			"Couldn't configure TypeC/micro-USB mode rc=%d\n", rc);
		return rc;
	}

	/* configure VBUS for software control */
	rc = smblib_masked_write(chg, DCDC_OTG_CFG_REG, OTG_EN_SRC_CFG_BIT, 0);
	if (rc < 0) {
		dev_err(chg->dev,
			"Couldn't configure VBUS for SW control rc=%d\n", rc);
		return rc;
	}

	val = (ilog2(chip->dt.wd_bark_time / 16) << BARK_WDOG_TIMEOUT_SHIFT)
			& BARK_WDOG_TIMEOUT_MASK;
	val |= BITE_WDOG_TIMEOUT_8S;
	rc = smblib_masked_write(chg, SNARL_BARK_BITE_WD_CFG_REG,
			BITE_WDOG_DISABLE_CHARGING_CFG_BIT |
			BARK_WDOG_TIMEOUT_MASK | BITE_WDOG_TIMEOUT_MASK,
			val);
	if (rc < 0) {
		pr_err("Couldn't configue WD config rc=%d\n", rc);
		return rc;
	}

	/* enable WD BARK and enable it on plugin */
	rc = smblib_masked_write(chg, WD_CFG_REG,
			WATCHDOG_TRIGGER_AFP_EN_BIT |
			WDOG_TIMER_EN_ON_PLUGIN_BIT |
			BARK_WDOG_INT_EN_BIT,
			WDOG_TIMER_EN_ON_PLUGIN_BIT |
			BARK_WDOG_INT_EN_BIT);
	if (rc < 0) {
		pr_err("Couldn't configue WD config rc=%d\n", rc);
		return rc;
	}

	/* configure float charger options */
	switch (chip->dt.float_option) {
	case FLOAT_DCP:
		rc = smblib_masked_write(chg, USBIN_OPTIONS_2_CFG_REG,
				FLOAT_OPTIONS_MASK, 0);
		break;
	case FLOAT_SDP:
		rc = smblib_masked_write(chg, USBIN_OPTIONS_2_CFG_REG,
				FLOAT_OPTIONS_MASK, FORCE_FLOAT_SDP_CFG_BIT);
		break;
	case DISABLE_CHARGING:
		rc = smblib_masked_write(chg, USBIN_OPTIONS_2_CFG_REG,
				FLOAT_OPTIONS_MASK, FLOAT_DIS_CHGING_CFG_BIT);
		break;
	case SUSPEND_INPUT:
		rc = smblib_masked_write(chg, USBIN_OPTIONS_2_CFG_REG,
				FLOAT_OPTIONS_MASK, SUSPEND_FLOAT_CFG_BIT);
		break;
	default:
		rc = 0;
		break;
	}

	if (rc < 0) {
		dev_err(chg->dev, "Couldn't configure float charger options rc=%d\n",
			rc);
		return rc;
	}

	rc = smblib_read(chg, USBIN_OPTIONS_2_CFG_REG, &chg->float_cfg);
	if (rc < 0) {
		dev_err(chg->dev, "Couldn't read float charger options rc=%d\n",
			rc);
		return rc;
	}

	switch (chip->dt.chg_inhibit_thr_mv) {
	case 50:
		rc = smblib_masked_write(chg, CHARGE_INHIBIT_THRESHOLD_CFG_REG,
				CHARGE_INHIBIT_THRESHOLD_MASK,
				INHIBIT_ANALOG_VFLT_MINUS_50MV);
		break;
	case 100:
		rc = smblib_masked_write(chg, CHARGE_INHIBIT_THRESHOLD_CFG_REG,
				CHARGE_INHIBIT_THRESHOLD_MASK,
				INHIBIT_ANALOG_VFLT_MINUS_100MV);
		break;
	case 200:
		rc = smblib_masked_write(chg, CHARGE_INHIBIT_THRESHOLD_CFG_REG,
				CHARGE_INHIBIT_THRESHOLD_MASK,
				INHIBIT_ANALOG_VFLT_MINUS_200MV);
		break;
	case 300:
		rc = smblib_masked_write(chg, CHARGE_INHIBIT_THRESHOLD_CFG_REG,
				CHARGE_INHIBIT_THRESHOLD_MASK,
				INHIBIT_ANALOG_VFLT_MINUS_300MV);
		break;
	case 0:
		rc = smblib_masked_write(chg, CHGR_CFG2_REG,
				CHARGER_INHIBIT_BIT, 0);
	default:
		break;
	}

	if (rc < 0) {
		dev_err(chg->dev, "Couldn't configure charge inhibit threshold rc=%d\n",
			rc);
		return rc;
	}

	rc = smblib_masked_write(chg, CHGR_CFG2_REG,
			SOC_BASED_RECHG_BIT,
			chip->dt.auto_recharge_soc ? SOC_BASED_RECHG_BIT : 0);
	if (rc < 0) {
		dev_err(chg->dev, "Couldn't configure FG_UPDATE_CFG2_SEL_REG rc=%d\n",
			rc);
		return rc;
	}

	if (chg->sw_jeita_enabled) {
		rc = smblib_disable_hw_jeita(chg, true);
		if (rc < 0) {
			dev_err(chg->dev, "Couldn't set hw jeita rc=%d\n", rc);
			return rc;
		}
	}

	return rc;
}

static int smb5_post_init(struct smb5 *chip)
{
	struct smb_charger *chg = &chip->chg;
	union power_supply_propval pval;
	int rc;

	/*
	 * In case the usb path is suspended, we would have missed disabling
	 * the icl change interrupt because the interrupt could have been
	 * not requested
	 */
	rerun_election(chg->usb_icl_votable);

	/* configure power role for dual-role */
	pval.intval = POWER_SUPPLY_TYPEC_PR_DUAL;
	rc = smblib_set_prop_typec_power_role(chg, &pval);
	if (rc < 0) {
		dev_err(chg->dev,
			"Couldn't configure power role for DRP rc=%d\n", rc);
		return rc;
	}

	rerun_election(chg->usb_irq_enable_votable);

	return 0;
}

/****************************
 * DETERMINE INITIAL STATUS *
 ****************************/

static int smb5_determine_initial_status(struct smb5 *chip)
{
	struct smb_irq_data irq_data = {chip, "determine-initial-status"};
	struct smb_charger *chg = &chip->chg;

	if (chg->bms_psy)
		smblib_suspend_on_debug_battery(chg);
	usb_plugin_irq_handler(0, &irq_data);
	typec_state_change_irq_handler(0, &irq_data);
	usb_source_change_irq_handler(0, &irq_data);
	chg_state_change_irq_handler(0, &irq_data);
	icl_change_irq_handler(0, &irq_data);
	batt_temp_changed_irq_handler(0, &irq_data);
	wdog_bark_irq_handler(0, &irq_data);

	return 0;
}

/**************************
 * INTERRUPT REGISTRATION *
 **************************/

static struct smb_irq_info smb5_irqs[] = {
	/* CHARGER IRQs */
	[CHGR_ERROR_IRQ] = {
		.name		= "chgr-error",
		.handler	= default_irq_handler,
	},
	[CHG_STATE_CHANGE_IRQ] = {
		.name		= "chg-state-change",
		.handler	= chg_state_change_irq_handler,
	},
	[STEP_CHG_STATE_CHANGE_IRQ] = {
		.name		= "step-chg-state-change",
		.handler	= default_irq_handler,
	},
	[STEP_CHG_SOC_UPDATE_FAIL_IRQ] = {
		.name		= "step-chg-soc-update-fail",
		.handler	= default_irq_handler,
	},
	[STEP_CHG_SOC_UPDATE_REQ_IRQ] = {
		.name		= "step-chg-soc-update-req",
		.handler	= default_irq_handler,
	},
	[FG_FVCAL_QUALIFIED_IRQ] = {
		.name		= "fg-fvcal-qualified",
		.handler	= default_irq_handler,
	},
	[VPH_ALARM_IRQ] = {
		.name		= "vph-alarm",
		.handler	= default_irq_handler,
	},
	[VPH_DROP_PRECHG_IRQ] = {
		.name		= "vph-drop-prechg",
		.handler	= default_irq_handler,
	},
	/* DCDC IRQs */
	[OTG_FAIL_IRQ] = {
		.name		= "otg-fail",
		.handler	= default_irq_handler,
	},
	[OTG_OC_DISABLE_SW_IRQ] = {
		.name		= "otg-oc-disable-sw",
		.handler	= default_irq_handler,
	},
	[OTG_OC_HICCUP_IRQ] = {
		.name		= "otg-oc-hiccup",
		.handler	= default_irq_handler,
	},
	[BSM_ACTIVE_IRQ] = {
		.name		= "bsm-active",
		.handler	= default_irq_handler,
	},
	[HIGH_DUTY_CYCLE_IRQ] = {
		.name		= "high-duty-cycle",
		.handler	= high_duty_cycle_irq_handler,
	},
	[INPUT_CURRENT_LIMITING_IRQ] = {
		.name		= "input-current-limiting",
		.handler	= default_irq_handler,
	},
	[CONCURRENT_MODE_DISABLE_IRQ] = {
		.name		= "concurrent-mode-disable",
		.handler	= default_irq_handler,
	},
	[SWITCHER_POWER_OK_IRQ] = {
		.name		= "switcher-power-ok",
		.handler	= switcher_power_ok_irq_handler,
	},
	/* BATTERY IRQs */
	[BAT_TEMP_IRQ] = {
		.name		= "bat-temp",
		.handler	= batt_temp_changed_irq_handler,
	},
	[ALL_CHNL_CONV_DONE_IRQ] = {
		.name		= "all-chnl-conv-done",
		.handler	= default_irq_handler,
	},
	[BAT_OV_IRQ] = {
		.name		= "bat-ov",
		.handler	= batt_psy_changed_irq_handler,
	},
	[BAT_LOW_IRQ] = {
		.name		= "bat-low",
		.handler	= batt_psy_changed_irq_handler,
	},
	[BAT_THERM_OR_ID_MISSING_IRQ] = {
		.name		= "bat-therm-or-id-missing",
		.handler	= batt_psy_changed_irq_handler,
	},
	[BAT_TERMINAL_MISSING_IRQ] = {
		.name		= "bat-terminal-missing",
		.handler	= batt_psy_changed_irq_handler,
	},
	[BUCK_OC_IRQ] = {
		.name		= "buck-oc",
		.handler	= default_irq_handler,
	},
	[VPH_OV_IRQ] = {
		.name		= "vph-ov",
		.handler	= default_irq_handler,
	},
	/* USB INPUT IRQs */
	[USBIN_COLLAPSE_IRQ] = {
		.name		= "usbin-collapse",
		.handler	= default_irq_handler,
	},
	[USBIN_VASHDN_IRQ] = {
		.name		= "usbin-vashdn",
		.handler	= default_irq_handler,
	},
	[USBIN_UV_IRQ] = {
		.name		= "usbin-uv",
		.handler	= usbin_uv_irq_handler,
	},
	[USBIN_OV_IRQ] = {
		.name		= "usbin-ov",
		.handler	= default_irq_handler,
	},
	[USBIN_PLUGIN_IRQ] = {
		.name		= "usbin-plugin",
		.handler	= usb_plugin_irq_handler,
	},
	[USBIN_REVI_CHANGE_IRQ] = {
		.name		= "usbin-revi-change",
		.handler	= default_irq_handler,
	},
	[USBIN_SRC_CHANGE_IRQ] = {
		.name		= "usbin-src-change",
		.handler	= usb_source_change_irq_handler,
	},
	[USBIN_ICL_CHANGE_IRQ] = {
		.name		= "usbin-icl-change",
		.handler	= icl_change_irq_handler,
	},
	/* DC INPUT IRQs */
	[DCIN_VASHDN_IRQ] = {
		.name		= "dcin-vashdn",
		.handler	= default_irq_handler,
	},
	[DCIN_UV_IRQ] = {
		.name		= "dcin-uv",
		.handler	= default_irq_handler,
	},
	[DCIN_OV_IRQ] = {
		.name		= "dcin-ov",
		.handler	= default_irq_handler,
	},
	[DCIN_PLUGIN_IRQ] = {
		.name		= "dcin-plugin",
		.handler	= dc_plugin_irq_handler,
		.wake           = true,
	},
	[DCIN_REVI_IRQ] = {
		.name		= "dcin-revi",
		.handler	= default_irq_handler,
	},
	[DCIN_PON_IRQ] = {
		.name		= "dcin-pon",
		.handler	= default_irq_handler,
	},
	[DCIN_EN_IRQ] = {
		.name		= "dcin-en",
		.handler	= default_irq_handler,
	},
	/* TYPEC IRQs */
	[TYPEC_OR_RID_DETECTION_CHANGE_IRQ] = {
		.name		= "typec-or-rid-detect-change",
		.handler	= default_irq_handler,
	},
	[TYPEC_VPD_DETECT_IRQ] = {
		.name		= "typec-vpd-detect",
		.handler	= default_irq_handler,
	},
	[TYPEC_CC_STATE_CHANGE_IRQ] = {
		.name		= "typec-cc-state-change",
		.handler	= typec_state_change_irq_handler,
	},
	[TYPEC_VCONN_OC_IRQ] = {
		.name		= "typec-vconn-oc",
		.handler	= default_irq_handler,
	},
	[TYPEC_VBUS_CHANGE_IRQ] = {
		.name		= "typec-vbus-change",
		.handler	= default_irq_handler,
	},
	[TYPEC_ATTACH_DETACH_IRQ] = {
		.name		= "typec-attach-detach",
		.handler	= default_irq_handler,
	},
	[TYPEC_LEGACY_CABLE_DETECT_IRQ] = {
		.name		= "typec-legacy-cable-detect",
		.handler	= default_irq_handler,
	},
	[TYPEC_TRY_SNK_SRC_DETECT_IRQ] = {
		.name		= "typec-try-snk-src-detect",
		.handler	= default_irq_handler,
	},
	/* MISCELLANEOUS IRQs */
	[WDOG_SNARL_IRQ] = {
		.name		= "wdog-snarl",
		.handler	= NULL,
	},
	[WDOG_BARK_IRQ] = {
		.name		= "wdog-bark",
		.handler	= wdog_bark_irq_handler,
	},
	[AICL_FAIL_IRQ] = {
		.name		= "aicl-fail",
		.handler	= default_irq_handler,
	},
	[AICL_DONE_IRQ] = {
		.name		= "aicl-done",
		.handler	= default_irq_handler,
	},
	[SMB_EN_IRQ] = {
		.name		= "smb-en",
		.handler	= default_irq_handler,
	},
	[IMP_TRIGGER_IRQ] = {
		.name		= "imp-trigger",
		.handler	= default_irq_handler,
	},
	[TEMP_CHANGE_IRQ] = {
		.name		= "temp-change",
		.handler	= default_irq_handler,
	},
	[TEMP_CHANGE_SMB_IRQ] = {
		.name		= "temp-change-smb",
		.handler	= default_irq_handler,
	},
};

static int smb5_get_irq_index_byname(const char *irq_name)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(smb5_irqs); i++) {
		if (strcmp(smb5_irqs[i].name, irq_name) == 0)
			return i;
	}

	return -ENOENT;
}

static int smb5_request_interrupt(struct smb5 *chip,
				struct device_node *node, const char *irq_name)
{
	struct smb_charger *chg = &chip->chg;
	int rc, irq, irq_index;
	struct smb_irq_data *irq_data;

	irq = of_irq_get_byname(node, irq_name);
	if (irq < 0) {
		pr_err("Couldn't get irq %s byname\n", irq_name);
		return irq;
	}

	irq_index = smb5_get_irq_index_byname(irq_name);
	if (irq_index < 0) {
		pr_err("%s is not a defined irq\n", irq_name);
		return irq_index;
	}

	if (!smb5_irqs[irq_index].handler)
		return 0;

	irq_data = devm_kzalloc(chg->dev, sizeof(*irq_data), GFP_KERNEL);
	if (!irq_data)
		return -ENOMEM;

	irq_data->parent_data = chip;
	irq_data->name = irq_name;
	irq_data->storm_data = smb5_irqs[irq_index].storm_data;
	mutex_init(&irq_data->storm_data.storm_lock);

	rc = devm_request_threaded_irq(chg->dev, irq, NULL,
					smb5_irqs[irq_index].handler,
					IRQF_ONESHOT, irq_name, irq_data);
	if (rc < 0) {
		pr_err("Couldn't request irq %d\n", irq);
		return rc;
	}

	smb5_irqs[irq_index].irq = irq;
	smb5_irqs[irq_index].irq_data = irq_data;
	if (smb5_irqs[irq_index].wake)
		enable_irq_wake(irq);

	return rc;
}

static int smb5_request_interrupts(struct smb5 *chip)
{
	struct smb_charger *chg = &chip->chg;
	struct device_node *node = chg->dev->of_node;
	struct device_node *child;
	int rc = 0;
	const char *name;
	struct property *prop;

	for_each_available_child_of_node(node, child) {
		of_property_for_each_string(child, "interrupt-names",
					    prop, name) {
			rc = smb5_request_interrupt(chip, child, name);
			if (rc < 0)
				return rc;
		}
	}
	if (chg->irq_info[USBIN_ICL_CHANGE_IRQ].irq)
		chg->usb_icl_change_irq_enabled = true;

	return rc;
}

static void smb5_free_interrupts(struct smb_charger *chg)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(smb5_irqs); i++) {
		if (smb5_irqs[i].irq > 0) {
			if (smb5_irqs[i].wake)
				disable_irq_wake(smb5_irqs[i].irq);

			devm_free_irq(chg->dev, smb5_irqs[i].irq,
						smb5_irqs[i].irq_data);
		}
	}
}

static void smb5_disable_interrupts(struct smb_charger *chg)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(smb5_irqs); i++) {
		if (smb5_irqs[i].irq > 0)
			disable_irq(smb5_irqs[i].irq);
	}
}

#if defined(CONFIG_DEBUG_FS)

static int force_batt_psy_update_write(void *data, u64 val)
{
	struct smb_charger *chg = data;

	power_supply_changed(chg->batt_psy);
	return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(force_batt_psy_update_ops, NULL,
			force_batt_psy_update_write, "0x%02llx\n");

static int force_usb_psy_update_write(void *data, u64 val)
{
	struct smb_charger *chg = data;

	power_supply_changed(chg->usb_psy);
	return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(force_usb_psy_update_ops, NULL,
			force_usb_psy_update_write, "0x%02llx\n");

static int force_dc_psy_update_write(void *data, u64 val)
{
	struct smb_charger *chg = data;

	power_supply_changed(chg->dc_psy);
	return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(force_dc_psy_update_ops, NULL,
			force_dc_psy_update_write, "0x%02llx\n");

static void smb5_create_debugfs(struct smb5 *chip)
{
	struct dentry *file;

	chip->dfs_root = debugfs_create_dir("charger", NULL);
	if (IS_ERR_OR_NULL(chip->dfs_root)) {
		pr_err("Couldn't create charger debugfs rc=%ld\n",
			(long)chip->dfs_root);
		return;
	}

	file = debugfs_create_file("force_batt_psy_update", 0600,
			    chip->dfs_root, chip, &force_batt_psy_update_ops);
	if (IS_ERR_OR_NULL(file))
		pr_err("Couldn't create force_batt_psy_update file rc=%ld\n",
			(long)file);

	file = debugfs_create_file("force_usb_psy_update", 0600,
			    chip->dfs_root, chip, &force_usb_psy_update_ops);
	if (IS_ERR_OR_NULL(file))
		pr_err("Couldn't create force_usb_psy_update file rc=%ld\n",
			(long)file);

	file = debugfs_create_file("force_dc_psy_update", 0600,
			    chip->dfs_root, chip, &force_dc_psy_update_ops);
	if (IS_ERR_OR_NULL(file))
		pr_err("Couldn't create force_dc_psy_update file rc=%ld\n",
			(long)file);
}

#else

static void smb5_create_debugfs(struct smb5 *chip)
{}

#endif

static int smb5_show_charger_status(struct smb5 *chip)
{
	struct smb_charger *chg = &chip->chg;
	union power_supply_propval val;
	int usb_present, batt_present, batt_health, batt_charge_type;
	int rc;

	rc = smblib_get_prop_usb_present(chg, &val);
	if (rc < 0) {
		pr_err("Couldn't get usb present rc=%d\n", rc);
		return rc;
	}
	usb_present = val.intval;

	rc = smblib_get_prop_batt_present(chg, &val);
	if (rc < 0) {
		pr_err("Couldn't get batt present rc=%d\n", rc);
		return rc;
	}
	batt_present = val.intval;

	rc = smblib_get_prop_batt_health(chg, &val);
	if (rc < 0) {
		pr_err("Couldn't get batt health rc=%d\n", rc);
		val.intval = POWER_SUPPLY_HEALTH_UNKNOWN;
	}
	batt_health = val.intval;

	rc = smblib_get_prop_batt_charge_type(chg, &val);
	if (rc < 0) {
		pr_err("Couldn't get batt charge type rc=%d\n", rc);
		return rc;
	}
	batt_charge_type = val.intval;

	pr_info("SMB5 status - usb:present=%d type=%d batt:present = %d health = %d charge = %d\n",
		usb_present, chg->real_charger_type,
		batt_present, batt_health, batt_charge_type);
	return rc;
}

static int smb5_probe(struct platform_device *pdev)
{
	struct smb5 *chip;
	struct smb_charger *chg;
	int rc = 0;

	chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
	if (!chip)
		return -ENOMEM;

	chg = &chip->chg;
	chg->dev = &pdev->dev;
	chg->param = smb5_params;
	chg->debug_mask = &__debug_mask;
	chg->weak_chg_icl_ua = &__weak_chg_icl_ua;
	chg->mode = PARALLEL_MASTER;
	chg->irq_info = smb5_irqs;
	chg->die_health = -EINVAL;
	chg->name = "pm855b_charger";

	chg->regmap = dev_get_regmap(chg->dev->parent, NULL);
	if (!chg->regmap) {
		pr_err("parent regmap is missing\n");
		return -EINVAL;
	}

	rc = smb5_parse_dt(chip);
	if (rc < 0) {
		pr_err("Couldn't parse device tree rc=%d\n", rc);
		goto cleanup;
	}

	rc = smblib_init(chg);
	if (rc < 0) {
		pr_err("Smblib_init failed rc=%d\n", rc);
		goto cleanup;
	}

	/* set driver data before resources request it */
	platform_set_drvdata(pdev, chip);

	rc = smb5_init_vbus_regulator(chip);
	if (rc < 0) {
		pr_err("Couldn't initialize vbus regulator rc=%d\n",
			rc);
		goto cleanup;
	}

	rc = smb5_init_vconn_regulator(chip);
	if (rc < 0) {
		pr_err("Couldn't initialize vconn regulator rc=%d\n",
				rc);
		goto cleanup;
	}

	/* extcon registration */
	chg->extcon = devm_extcon_dev_allocate(chg->dev, smblib_extcon_cable);
	if (IS_ERR(chg->extcon)) {
		rc = PTR_ERR(chg->extcon);
		dev_err(chg->dev, "failed to allocate extcon device rc=%d\n",
				rc);
		goto cleanup;
	}

	rc = devm_extcon_dev_register(chg->dev, chg->extcon);
	if (rc < 0) {
		dev_err(chg->dev, "failed to register extcon device rc=%d\n",
				rc);
		goto cleanup;
	}

	rc = smb5_init_hw(chip);
	if (rc < 0) {
		pr_err("Couldn't initialize hardware rc=%d\n", rc);
		goto cleanup;
	}

	rc = smb5_init_dc_psy(chip);
	if (rc < 0) {
		pr_err("Couldn't initialize dc psy rc=%d\n", rc);
		goto cleanup;
	}

	rc = smb5_init_usb_psy(chip);
	if (rc < 0) {
		pr_err("Couldn't initialize usb psy rc=%d\n", rc);
		goto cleanup;
	}

	rc = smb5_init_usb_main_psy(chip);
	if (rc < 0) {
		pr_err("Couldn't initialize usb main psy rc=%d\n", rc);
		goto cleanup;
	}

	rc = smb5_init_usb_port_psy(chip);
	if (rc < 0) {
		pr_err("Couldn't initialize usb pc_port psy rc=%d\n", rc);
		goto cleanup;
	}

	rc = smb5_init_batt_psy(chip);
	if (rc < 0) {
		pr_err("Couldn't initialize batt psy rc=%d\n", rc);
		goto cleanup;
	}

	rc = smb5_determine_initial_status(chip);
	if (rc < 0) {
		pr_err("Couldn't determine initial status rc=%d\n",
			rc);
		goto cleanup;
	}

	rc = smb5_request_interrupts(chip);
	if (rc < 0) {
		pr_err("Couldn't request interrupts rc=%d\n", rc);
		goto cleanup;
	}

	rc = smb5_post_init(chip);
	if (rc < 0) {
		pr_err("Failed in post init rc=%d\n", rc);
		goto cleanup;
	}

	smb5_create_debugfs(chip);

	rc = smb5_show_charger_status(chip);
	if (rc < 0) {
		pr_err("Failed in getting charger status rc=%d\n", rc);
		goto cleanup;
	}

	device_init_wakeup(chg->dev, true);

	pr_info("QPNP SMB5 probed successfully\n");

	return rc;

cleanup:
	smb5_free_interrupts(chg);
	smblib_deinit(chg);
	platform_set_drvdata(pdev, NULL);

	return rc;
}

static int smb5_remove(struct platform_device *pdev)
{
	struct smb5 *chip = platform_get_drvdata(pdev);
	struct smb_charger *chg = &chip->chg;

	smb5_free_interrupts(chg);
	smblib_deinit(chg);
	platform_set_drvdata(pdev, NULL);
	return 0;
}

static void smb5_shutdown(struct platform_device *pdev)
{
	struct smb5 *chip = platform_get_drvdata(pdev);
	struct smb_charger *chg = &chip->chg;

	/* disable all interrupts */
	smb5_disable_interrupts(chg);

	/* configure power role for UFP */
	if (!chg->micro_usb_mode)
		smblib_masked_write(chg, TYPE_C_MODE_CFG_REG,
				TYPEC_POWER_ROLE_CMD_MASK, EN_SNK_ONLY_BIT);

	/* force HVDCP to 5V */
	smblib_masked_write(chg, USBIN_OPTIONS_1_CFG_REG,
				HVDCP_AUTONOMOUS_MODE_EN_CFG_BIT, 0);
	smblib_write(chg, CMD_HVDCP_2_REG, FORCE_5V_BIT);

	/* force enable APSD */
	smblib_masked_write(chg, USBIN_OPTIONS_1_CFG_REG,
				BC1P2_SRC_DETECT_BIT, BC1P2_SRC_DETECT_BIT);
}

static const struct of_device_id match_table[] = {
	{ .compatible = "qcom,qpnp-smb5", },
	{ },
};

static struct platform_driver smb5_driver = {
	.driver		= {
		.name		= "qcom,qpnp-smb5",
		.owner		= THIS_MODULE,
		.of_match_table	= match_table,
	},
	.probe		= smb5_probe,
	.remove		= smb5_remove,
	.shutdown	= smb5_shutdown,
};
module_platform_driver(smb5_driver);

MODULE_DESCRIPTION("QPNP SMB5 Charger Driver");
MODULE_LICENSE("GPL v2");