Linux-libre 4.7.1-gnupck-4.7.1-gnu

1 files changed, 0 insertions, 337 deletions

diff --git a/drivers/regulator/max14577.c b/drivers/regulator/max14577.c
deleted file mode 100644
index b2daa6641..000000000
--- a/drivers/regulator/max14577.c
+++ /dev/null
@@ -1,337 +0,0 @@
-/*
- * max14577.c - Regulator driver for the Maxim 14577/77836
- *
- * Copyright (C) 2013,2014 Samsung Electronics
- * Krzysztof Kozlowski <k.kozlowski@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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/module.h>
-#include <linux/platform_device.h>
-#include <linux/regulator/driver.h>
-#include <linux/mfd/max14577.h>
-#include <linux/mfd/max14577-private.h>
-#include <linux/regulator/of_regulator.h>
-
-static int max14577_reg_is_enabled(struct regulator_dev *rdev)
-{
-	int rid = rdev_get_id(rdev);
-	struct regmap *rmap = rdev->regmap;
-	u8 reg_data;
-
-	switch (rid) {
-	case MAX14577_CHARGER:
-		max14577_read_reg(rmap, MAX14577_CHG_REG_CHG_CTRL2, &reg_data);
-		if ((reg_data & CHGCTRL2_MBCHOSTEN_MASK) == 0)
-			return 0;
-		max14577_read_reg(rmap, MAX14577_CHG_REG_STATUS3, &reg_data);
-		if ((reg_data & STATUS3_CGMBC_MASK) == 0)
-			return 0;
-		/* MBCHOSTEN and CGMBC are on */
-		return 1;
-	default:
-		return -EINVAL;
-	}
-}
-
-static int max14577_reg_get_current_limit(struct regulator_dev *rdev)
-{
-	u8 reg_data;
-	struct regmap *rmap = rdev->regmap;
-	struct max14577 *max14577 = rdev_get_drvdata(rdev);
-	const struct maxim_charger_current *limits =
-		&maxim_charger_currents[max14577->dev_type];
-
-	if (rdev_get_id(rdev) != MAX14577_CHARGER)
-		return -EINVAL;
-
-	max14577_read_reg(rmap, MAX14577_CHG_REG_CHG_CTRL4, &reg_data);
-
-	if ((reg_data & CHGCTRL4_MBCICHWRCL_MASK) == 0)
-		return limits->min;
-
-	reg_data = ((reg_data & CHGCTRL4_MBCICHWRCH_MASK) >>
-			CHGCTRL4_MBCICHWRCH_SHIFT);
-	return limits->high_start + reg_data * limits->high_step;
-}
-
-static int max14577_reg_set_current_limit(struct regulator_dev *rdev,
-		int min_uA, int max_uA)
-{
-	u8 reg_data;
-	int ret;
-	struct max14577 *max14577 = rdev_get_drvdata(rdev);
-	const struct maxim_charger_current *limits =
-		&maxim_charger_currents[max14577->dev_type];
-
-	if (rdev_get_id(rdev) != MAX14577_CHARGER)
-		return -EINVAL;
-
-	ret = maxim_charger_calc_reg_current(limits, min_uA, max_uA, &reg_data);
-	if (ret)
-		return ret;
-
-	return max14577_update_reg(rdev->regmap, MAX14577_CHG_REG_CHG_CTRL4,
-			CHGCTRL4_MBCICHWRCL_MASK | CHGCTRL4_MBCICHWRCH_MASK,
-			reg_data);
-}
-
-static struct regulator_ops max14577_safeout_ops = {
-	.is_enabled		= regulator_is_enabled_regmap,
-	.enable			= regulator_enable_regmap,
-	.disable		= regulator_disable_regmap,
-	.list_voltage		= regulator_list_voltage_linear,
-};
-
-static struct regulator_ops max14577_charger_ops = {
-	.is_enabled		= max14577_reg_is_enabled,
-	.enable			= regulator_enable_regmap,
-	.disable		= regulator_disable_regmap,
-	.get_current_limit	= max14577_reg_get_current_limit,
-	.set_current_limit	= max14577_reg_set_current_limit,
-};
-
-#define MAX14577_SAFEOUT_REG	{ \
-	.name		= "SAFEOUT", \
-	.of_match	= of_match_ptr("SAFEOUT"), \
-	.regulators_node = of_match_ptr("regulators"), \
-	.id		= MAX14577_SAFEOUT, \
-	.ops		= &max14577_safeout_ops, \
-	.type		= REGULATOR_VOLTAGE, \
-	.owner		= THIS_MODULE, \
-	.n_voltages	= 1, \
-	.min_uV		= MAX14577_REGULATOR_SAFEOUT_VOLTAGE, \
-	.enable_reg	= MAX14577_REG_CONTROL2, \
-	.enable_mask	= CTRL2_SFOUTORD_MASK, \
-}
-#define MAX14577_CHARGER_REG	{ \
-	.name		= "CHARGER", \
-	.of_match	= of_match_ptr("CHARGER"), \
-	.regulators_node = of_match_ptr("regulators"), \
-	.id		= MAX14577_CHARGER, \
-	.ops		= &max14577_charger_ops, \
-	.type		= REGULATOR_CURRENT, \
-	.owner		= THIS_MODULE, \
-	.enable_reg	= MAX14577_CHG_REG_CHG_CTRL2, \
-	.enable_mask	= CHGCTRL2_MBCHOSTEN_MASK, \
-}
-
-static const struct regulator_desc max14577_supported_regulators[] = {
-	[MAX14577_SAFEOUT] = MAX14577_SAFEOUT_REG,
-	[MAX14577_CHARGER] = MAX14577_CHARGER_REG,
-};
-
-static struct regulator_ops max77836_ldo_ops = {
-	.is_enabled		= regulator_is_enabled_regmap,
-	.enable			= regulator_enable_regmap,
-	.disable		= regulator_disable_regmap,
-	.list_voltage		= regulator_list_voltage_linear,
-	.map_voltage		= regulator_map_voltage_linear,
-	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
-	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
-	/* TODO: add .set_suspend_mode */
-};
-
-#define MAX77836_LDO_REG(num)	{ \
-	.name		= "LDO" # num, \
-	.of_match	= of_match_ptr("LDO" # num), \
-	.regulators_node = of_match_ptr("regulators"), \
-	.id		= MAX77836_LDO ## num, \
-	.ops		= &max77836_ldo_ops, \
-	.type		= REGULATOR_VOLTAGE, \
-	.owner		= THIS_MODULE, \
-	.n_voltages	= MAX77836_REGULATOR_LDO_VOLTAGE_STEPS_NUM, \
-	.min_uV		= MAX77836_REGULATOR_LDO_VOLTAGE_MIN, \
-	.uV_step	= MAX77836_REGULATOR_LDO_VOLTAGE_STEP, \
-	.enable_reg	= MAX77836_LDO_REG_CNFG1_LDO ## num, \
-	.enable_mask	= MAX77836_CNFG1_LDO_PWRMD_MASK, \
-	.vsel_reg	= MAX77836_LDO_REG_CNFG1_LDO ## num, \
-	.vsel_mask	= MAX77836_CNFG1_LDO_TV_MASK, \
-}
-
-static const struct regulator_desc max77836_supported_regulators[] = {
-	[MAX14577_SAFEOUT] = MAX14577_SAFEOUT_REG,
-	[MAX14577_CHARGER] = MAX14577_CHARGER_REG,
-	[MAX77836_LDO1] = MAX77836_LDO_REG(1),
-	[MAX77836_LDO2] = MAX77836_LDO_REG(2),
-};
-
-#ifdef CONFIG_OF
-static struct of_regulator_match max14577_regulator_matches[] = {
-	{ .name	= "SAFEOUT", },
-	{ .name = "CHARGER", },
-};
-
-static struct of_regulator_match max77836_regulator_matches[] = {
-	{ .name	= "SAFEOUT", },
-	{ .name = "CHARGER", },
-	{ .name = "LDO1", },
-	{ .name = "LDO2", },
-};
-
-static inline struct regulator_init_data *match_init_data(int index,
-		enum maxim_device_type dev_type)
-{
-	switch (dev_type) {
-	case MAXIM_DEVICE_TYPE_MAX77836:
-		return max77836_regulator_matches[index].init_data;
-
-	case MAXIM_DEVICE_TYPE_MAX14577:
-	default:
-		return max14577_regulator_matches[index].init_data;
-	}
-}
-
-static inline struct device_node *match_of_node(int index,
-		enum maxim_device_type dev_type)
-{
-	switch (dev_type) {
-	case MAXIM_DEVICE_TYPE_MAX77836:
-		return max77836_regulator_matches[index].of_node;
-
-	case MAXIM_DEVICE_TYPE_MAX14577:
-	default:
-		return max14577_regulator_matches[index].of_node;
-	}
-}
-#else /* CONFIG_OF */
-static inline struct regulator_init_data *match_init_data(int index,
-		enum maxim_device_type dev_type)
-{
-	return NULL;
-}
-
-static inline struct device_node *match_of_node(int index,
-		enum maxim_device_type dev_type)
-{
-	return NULL;
-}
-#endif /* CONFIG_OF */
-
-/**
- * Registers for regulators of max77836 use different I2C slave addresses so
- * different regmaps must be used for them.
- *
- * Returns proper regmap for accessing regulator passed by id.
- */
-static struct regmap *max14577_get_regmap(struct max14577 *max14577,
-		int reg_id)
-{
-	switch (max14577->dev_type) {
-	case MAXIM_DEVICE_TYPE_MAX77836:
-		switch (reg_id) {
-		case MAX77836_SAFEOUT ... MAX77836_CHARGER:
-			return max14577->regmap;
-		default:
-			/* MAX77836_LDO1 ... MAX77836_LDO2 */
-			return max14577->regmap_pmic;
-		}
-
-	case MAXIM_DEVICE_TYPE_MAX14577:
-	default:
-		return max14577->regmap;
-	}
-}
-
-static int max14577_regulator_probe(struct platform_device *pdev)
-{
-	struct max14577 *max14577 = dev_get_drvdata(pdev->dev.parent);
-	struct max14577_platform_data *pdata = dev_get_platdata(max14577->dev);
-	int i, ret = 0;
-	struct regulator_config config = {};
-	const struct regulator_desc *supported_regulators;
-	unsigned int supported_regulators_size;
-	enum maxim_device_type dev_type = max14577->dev_type;
-
-	switch (dev_type) {
-	case MAXIM_DEVICE_TYPE_MAX77836:
-		supported_regulators = max77836_supported_regulators;
-		supported_regulators_size = ARRAY_SIZE(max77836_supported_regulators);
-		break;
-	case MAXIM_DEVICE_TYPE_MAX14577:
-	default:
-		supported_regulators = max14577_supported_regulators;
-		supported_regulators_size = ARRAY_SIZE(max14577_supported_regulators);
-	}
-
-	config.dev = max14577->dev;
-	config.driver_data = max14577;
-
-	for (i = 0; i < supported_regulators_size; i++) {
-		struct regulator_dev *regulator;
-		/*
-		 * Index of supported_regulators[] is also the id and must
-		 * match index of pdata->regulators[].
-		 */
-		if (pdata && pdata->regulators) {
-			config.init_data = pdata->regulators[i].initdata;
-			config.of_node = pdata->regulators[i].of_node;
-		} else {
-			config.init_data = match_init_data(i, dev_type);
-			config.of_node = match_of_node(i, dev_type);
-		}
-		config.regmap = max14577_get_regmap(max14577,
-				supported_regulators[i].id);
-
-		regulator = devm_regulator_register(&pdev->dev,
-				&supported_regulators[i], &config);
-		if (IS_ERR(regulator)) {
-			ret = PTR_ERR(regulator);
-			dev_err(&pdev->dev,
-					"Regulator init failed for %d/%s with error: %d\n",
-					i, supported_regulators[i].name, ret);
-			return ret;
-		}
-	}
-
-	return ret;
-}
-
-static const struct platform_device_id max14577_regulator_id[] = {
-	{ "max14577-regulator", MAXIM_DEVICE_TYPE_MAX14577, },
-	{ "max77836-regulator", MAXIM_DEVICE_TYPE_MAX77836, },
-	{ }
-};
-MODULE_DEVICE_TABLE(platform, max14577_regulator_id);
-
-static struct platform_driver max14577_regulator_driver = {
-	.driver = {
-		   .name = "max14577-regulator",
-		   },
-	.probe		= max14577_regulator_probe,
-	.id_table	= max14577_regulator_id,
-};
-
-static int __init max14577_regulator_init(void)
-{
-	BUILD_BUG_ON(ARRAY_SIZE(max14577_supported_regulators) != MAX14577_REGULATOR_NUM);
-	BUILD_BUG_ON(ARRAY_SIZE(max77836_supported_regulators) != MAX77836_REGULATOR_NUM);
-
-	BUILD_BUG_ON(MAX77836_REGULATOR_LDO_VOLTAGE_MIN +
-			(MAX77836_REGULATOR_LDO_VOLTAGE_STEP *
-			  (MAX77836_REGULATOR_LDO_VOLTAGE_STEPS_NUM - 1)) !=
-			MAX77836_REGULATOR_LDO_VOLTAGE_MAX);
-
-	return platform_driver_register(&max14577_regulator_driver);
-}
-subsys_initcall(max14577_regulator_init);
-
-static void __exit max14577_regulator_exit(void)
-{
-	platform_driver_unregister(&max14577_regulator_driver);
-}
-module_exit(max14577_regulator_exit);
-
-MODULE_AUTHOR("Krzysztof Kozlowski <k.kozlowski@samsung.com>");
-MODULE_DESCRIPTION("Maxim 14577/77836 regulator driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:max14577-regulator");