power: move power supply drivers to power/supply

This moves all power supply drivers from drivers/power/
to drivers/power/supply/. The intention is a cleaner
source tree, since drivers/power/ also contains frameworks
unrelated to power supply, like adaptive voltage scaling.

Signed-off-by: Sebastian Reichel <sre@kernel.org>

1 files changed, 0 insertions, 359 deletions

diff --git a/drivers/power/act8945a_charger.c b/drivers/power/act8945a_charger.c
deleted file mode 100644
index b5c00e45741e..000000000000
--- a/drivers/power/act8945a_charger.c
+++ /dev/null
@@ -1,359 +0,0 @@
-/*
- * Power supply driver for the Active-semi ACT8945A PMIC
- *
- * Copyright (C) 2015 Atmel Corporation
- *
- * Author: Wenyou Yang <wenyou.yang@atmel.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_gpio.h>
-#include <linux/platform_device.h>
-#include <linux/power_supply.h>
-#include <linux/regmap.h>
-
-static const char *act8945a_charger_model = "ACT8945A";
-static const char *act8945a_charger_manufacturer = "Active-semi";
-
-/**
- * ACT8945A Charger Register Map
- */
-
-/* 0x70: Reserved */
-#define ACT8945A_APCH_CFG		0x71
-#define ACT8945A_APCH_STATUS		0x78
-#define ACT8945A_APCH_CTRL		0x79
-#define ACT8945A_APCH_STATE		0x7A
-
-/* ACT8945A_APCH_CFG */
-#define APCH_CFG_OVPSET			(0x3 << 0)
-#define APCH_CFG_OVPSET_6V6		(0x0 << 0)
-#define APCH_CFG_OVPSET_7V		(0x1 << 0)
-#define APCH_CFG_OVPSET_7V5		(0x2 << 0)
-#define APCH_CFG_OVPSET_8V		(0x3 << 0)
-#define APCH_CFG_PRETIMO		(0x3 << 2)
-#define APCH_CFG_PRETIMO_40_MIN		(0x0 << 2)
-#define APCH_CFG_PRETIMO_60_MIN		(0x1 << 2)
-#define APCH_CFG_PRETIMO_80_MIN		(0x2 << 2)
-#define APCH_CFG_PRETIMO_DISABLED	(0x3 << 2)
-#define APCH_CFG_TOTTIMO		(0x3 << 4)
-#define APCH_CFG_TOTTIMO_3_HOUR		(0x0 << 4)
-#define APCH_CFG_TOTTIMO_4_HOUR		(0x1 << 4)
-#define APCH_CFG_TOTTIMO_5_HOUR		(0x2 << 4)
-#define APCH_CFG_TOTTIMO_DISABLED	(0x3 << 4)
-#define APCH_CFG_SUSCHG			(0x1 << 7)
-
-#define APCH_STATUS_CHGDAT		BIT(0)
-#define APCH_STATUS_INDAT		BIT(1)
-#define APCH_STATUS_TEMPDAT		BIT(2)
-#define APCH_STATUS_TIMRDAT		BIT(3)
-#define APCH_STATUS_CHGSTAT		BIT(4)
-#define APCH_STATUS_INSTAT		BIT(5)
-#define APCH_STATUS_TEMPSTAT		BIT(6)
-#define APCH_STATUS_TIMRSTAT		BIT(7)
-
-#define APCH_CTRL_CHGEOCOUT		BIT(0)
-#define APCH_CTRL_INDIS			BIT(1)
-#define APCH_CTRL_TEMPOUT		BIT(2)
-#define APCH_CTRL_TIMRPRE		BIT(3)
-#define APCH_CTRL_CHGEOCIN		BIT(4)
-#define APCH_CTRL_INCON			BIT(5)
-#define APCH_CTRL_TEMPIN		BIT(6)
-#define APCH_CTRL_TIMRTOT		BIT(7)
-
-#define APCH_STATE_ACINSTAT		(0x1 << 1)
-#define APCH_STATE_CSTATE		(0x3 << 4)
-#define APCH_STATE_CSTATE_SHIFT		4
-#define APCH_STATE_CSTATE_DISABLED	0x00
-#define APCH_STATE_CSTATE_EOC		0x01
-#define APCH_STATE_CSTATE_FAST		0x02
-#define APCH_STATE_CSTATE_PRE		0x03
-
-struct act8945a_charger {
-	struct regmap *regmap;
-	bool battery_temperature;
-};
-
-static int act8945a_get_charger_state(struct regmap *regmap, int *val)
-{
-	int ret;
-	unsigned int status, state;
-
-	ret = regmap_read(regmap, ACT8945A_APCH_STATUS, &status);
-	if (ret < 0)
-		return ret;
-
-	ret = regmap_read(regmap, ACT8945A_APCH_STATE, &state);
-	if (ret < 0)
-		return ret;
-
-	state &= APCH_STATE_CSTATE;
-	state >>= APCH_STATE_CSTATE_SHIFT;
-
-	if (state == APCH_STATE_CSTATE_EOC) {
-		if (status & APCH_STATUS_CHGDAT)
-			*val = POWER_SUPPLY_STATUS_FULL;
-		else
-			*val = POWER_SUPPLY_STATUS_NOT_CHARGING;
-	} else if ((state == APCH_STATE_CSTATE_FAST) ||
-		   (state == APCH_STATE_CSTATE_PRE)) {
-		*val = POWER_SUPPLY_STATUS_CHARGING;
-	} else {
-		*val = POWER_SUPPLY_STATUS_NOT_CHARGING;
-	}
-
-	return 0;
-}
-
-static int act8945a_get_charge_type(struct regmap *regmap, int *val)
-{
-	int ret;
-	unsigned int state;
-
-	ret = regmap_read(regmap, ACT8945A_APCH_STATE, &state);
-	if (ret < 0)
-		return ret;
-
-	state &= APCH_STATE_CSTATE;
-	state >>= APCH_STATE_CSTATE_SHIFT;
-
-	switch (state) {
-	case APCH_STATE_CSTATE_PRE:
-		*val = POWER_SUPPLY_CHARGE_TYPE_TRICKLE;
-		break;
-	case APCH_STATE_CSTATE_FAST:
-		*val = POWER_SUPPLY_CHARGE_TYPE_FAST;
-		break;
-	case APCH_STATE_CSTATE_EOC:
-	case APCH_STATE_CSTATE_DISABLED:
-	default:
-		*val = POWER_SUPPLY_CHARGE_TYPE_NONE;
-	}
-
-	return 0;
-}
-
-static int act8945a_get_battery_health(struct act8945a_charger *charger,
-				       struct regmap *regmap, int *val)
-{
-	int ret;
-	unsigned int status;
-
-	ret = regmap_read(regmap, ACT8945A_APCH_STATUS, &status);
-	if (ret < 0)
-		return ret;
-
-	if (charger->battery_temperature && !(status & APCH_STATUS_TEMPDAT))
-		*val = POWER_SUPPLY_HEALTH_OVERHEAT;
-	else if (!(status & APCH_STATUS_INDAT))
-		*val = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
-	else if (status & APCH_STATUS_TIMRDAT)
-		*val = POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE;
-	else
-		*val = POWER_SUPPLY_HEALTH_GOOD;
-
-	return 0;
-}
-
-static enum power_supply_property act8945a_charger_props[] = {
-	POWER_SUPPLY_PROP_STATUS,
-	POWER_SUPPLY_PROP_CHARGE_TYPE,
-	POWER_SUPPLY_PROP_TECHNOLOGY,
-	POWER_SUPPLY_PROP_HEALTH,
-	POWER_SUPPLY_PROP_MODEL_NAME,
-	POWER_SUPPLY_PROP_MANUFACTURER
-};
-
-static int act8945a_charger_get_property(struct power_supply *psy,
-					 enum power_supply_property prop,
-					 union power_supply_propval *val)
-{
-	struct act8945a_charger *charger = power_supply_get_drvdata(psy);
-	struct regmap *regmap = charger->regmap;
-	int ret = 0;
-
-	switch (prop) {
-	case POWER_SUPPLY_PROP_STATUS:
-		ret = act8945a_get_charger_state(regmap, &val->intval);
-		break;
-	case POWER_SUPPLY_PROP_CHARGE_TYPE:
-		ret = act8945a_get_charge_type(regmap, &val->intval);
-		break;
-	case POWER_SUPPLY_PROP_TECHNOLOGY:
-		val->intval = POWER_SUPPLY_TECHNOLOGY_LION;
-		break;
-	case POWER_SUPPLY_PROP_HEALTH:
-		ret = act8945a_get_battery_health(charger,
-						  regmap, &val->intval);
-		break;
-	case POWER_SUPPLY_PROP_MODEL_NAME:
-		val->strval = act8945a_charger_model;
-		break;
-	case POWER_SUPPLY_PROP_MANUFACTURER:
-		val->strval = act8945a_charger_manufacturer;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	return ret;
-}
-
-static const struct power_supply_desc act8945a_charger_desc = {
-	.name		= "act8945a-charger",
-	.type		= POWER_SUPPLY_TYPE_BATTERY,
-	.get_property	= act8945a_charger_get_property,
-	.properties	= act8945a_charger_props,
-	.num_properties	= ARRAY_SIZE(act8945a_charger_props),
-};
-
-#define DEFAULT_TOTAL_TIME_OUT		3
-#define DEFAULT_PRE_TIME_OUT		40
-#define DEFAULT_INPUT_OVP_THRESHOLD	6600
-
-static int act8945a_charger_config(struct device *dev,
-				   struct act8945a_charger *charger)
-{
-	struct device_node *np = dev->of_node;
-	enum of_gpio_flags flags;
-	struct regmap *regmap = charger->regmap;
-
-	u32 total_time_out;
-	u32 pre_time_out;
-	u32 input_voltage_threshold;
-	int chglev_pin;
-
-	unsigned int value = 0;
-
-	if (!np) {
-		dev_err(dev, "no charger of node\n");
-		return -EINVAL;
-	}
-
-	charger->battery_temperature = of_property_read_bool(np,
-				"active-semi,check-battery-temperature");
-
-	chglev_pin = of_get_named_gpio_flags(np,
-				"active-semi,chglev-gpios", 0, &flags);
-
-	if (gpio_is_valid(chglev_pin)) {
-		gpio_set_value(chglev_pin,
-			       ((flags == OF_GPIO_ACTIVE_LOW) ? 0 : 1));
-	}
-
-	if (of_property_read_u32(np,
-				 "active-semi,input-voltage-threshold-microvolt",
-				 &input_voltage_threshold))
-		input_voltage_threshold = DEFAULT_INPUT_OVP_THRESHOLD;
-
-	if (of_property_read_u32(np,
-				 "active-semi,precondition-timeout",
-				 &pre_time_out))
-		pre_time_out = DEFAULT_PRE_TIME_OUT;
-
-	if (of_property_read_u32(np, "active-semi,total-timeout",
-				 &total_time_out))
-		total_time_out = DEFAULT_TOTAL_TIME_OUT;
-
-	switch (input_voltage_threshold) {
-	case 8000:
-		value |= APCH_CFG_OVPSET_8V;
-		break;
-	case 7500:
-		value |= APCH_CFG_OVPSET_7V5;
-		break;
-	case 7000:
-		value |= APCH_CFG_OVPSET_7V;
-		break;
-	case 6600:
-	default:
-		value |= APCH_CFG_OVPSET_6V6;
-		break;
-	}
-
-	switch (pre_time_out) {
-	case 60:
-		value |= APCH_CFG_PRETIMO_60_MIN;
-		break;
-	case 80:
-		value |= APCH_CFG_PRETIMO_80_MIN;
-		break;
-	case 0:
-		value |= APCH_CFG_PRETIMO_DISABLED;
-		break;
-	case 40:
-	default:
-		value |= APCH_CFG_PRETIMO_40_MIN;
-		break;
-	}
-
-	switch (total_time_out) {
-	case 4:
-		value |= APCH_CFG_TOTTIMO_4_HOUR;
-		break;
-	case 5:
-		value |= APCH_CFG_TOTTIMO_5_HOUR;
-		break;
-	case 0:
-		value |= APCH_CFG_TOTTIMO_DISABLED;
-		break;
-	case 3:
-	default:
-		value |= APCH_CFG_TOTTIMO_3_HOUR;
-		break;
-	}
-
-	return regmap_write(regmap, ACT8945A_APCH_CFG, value);
-}
-
-static int act8945a_charger_probe(struct platform_device *pdev)
-{
-	struct act8945a_charger *charger;
-	struct power_supply *psy;
-	struct power_supply_config psy_cfg = {};
-	int ret;
-
-	charger = devm_kzalloc(&pdev->dev, sizeof(*charger), GFP_KERNEL);
-	if (!charger)
-		return -ENOMEM;
-
-	charger->regmap = dev_get_regmap(pdev->dev.parent, NULL);
-	if (!charger->regmap) {
-		dev_err(&pdev->dev, "Parent did not provide regmap\n");
-		return -EINVAL;
-	}
-
-	ret = act8945a_charger_config(pdev->dev.parent, charger);
-	if (ret)
-		return ret;
-
-	psy_cfg.of_node	= pdev->dev.parent->of_node;
-	psy_cfg.drv_data = charger;
-
-	psy = devm_power_supply_register(&pdev->dev,
-					 &act8945a_charger_desc,
-					 &psy_cfg);
-	if (IS_ERR(psy)) {
-		dev_err(&pdev->dev, "failed to register power supply\n");
-		return PTR_ERR(psy);
-	}
-
-	return 0;
-}
-
-static struct platform_driver act8945a_charger_driver = {
-	.driver	= {
-		.name = "act8945a-charger",
-	},
-	.probe	= act8945a_charger_probe,
-};
-module_platform_driver(act8945a_charger_driver);
-
-MODULE_DESCRIPTION("Active-semi ACT8945A ActivePath charger driver");
-MODULE_AUTHOR("Wenyou Yang <wenyou.yang@atmel.com>");
-MODULE_LICENSE("GPL");