Linux-libre 4.7.1-gnupck-4.7.1-gnu

1 files changed, 0 insertions, 318 deletions

diff --git a/drivers/regulator/max77693.c b/drivers/regulator/max77693.c
deleted file mode 100644
index de730fd3f..000000000
--- a/drivers/regulator/max77693.c
+++ /dev/null
@@ -1,318 +0,0 @@
-/*
- * max77693.c - Regulator driver for the Maxim 77693 and 77843
- *
- * Copyright (C) 2013-2015 Samsung Electronics
- * Jonghwa Lee <jonghwa3.lee@samsung.com>
- * Krzysztof Kozlowski <k.kozlowski.k@gmail.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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- * This driver is based on max77686.c
- */
-
-#include <linux/err.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-#include <linux/module.h>
-#include <linux/export.h>
-#include <linux/regulator/driver.h>
-#include <linux/regulator/machine.h>
-#include <linux/mfd/max77693.h>
-#include <linux/mfd/max77693-common.h>
-#include <linux/mfd/max77693-private.h>
-#include <linux/mfd/max77843-private.h>
-#include <linux/regulator/of_regulator.h>
-#include <linux/regmap.h>
-
-/*
- * ID for MAX77843 regulators.
- * There is no need for such for MAX77693.
- */
-enum max77843_regulator_type {
-	MAX77843_SAFEOUT1 = 0,
-	MAX77843_SAFEOUT2,
-	MAX77843_CHARGER,
-
-	MAX77843_NUM,
-};
-
-/* Register differences between chargers: MAX77693 and MAX77843 */
-struct chg_reg_data {
-	unsigned int linear_reg;
-	unsigned int linear_mask;
-	unsigned int uA_step;
-	unsigned int min_sel;
-};
-
-/*
- * MAX77693 CHARGER regulator - Min : 20mA, Max : 2580mA, step : 20mA
- * 0x00, 0x01, 0x2, 0x03	= 60 mA
- * 0x04 ~ 0x7E			= (60 + (X - 3) * 20) mA
- * Actually for MAX77693 the driver manipulates the maximum input current,
- * not the fast charge current (output). This should be fixed.
- *
- * On MAX77843 the calculation formula is the same (except values).
- * Fortunately it properly manipulates the fast charge current.
- */
-static int max77693_chg_get_current_limit(struct regulator_dev *rdev)
-{
-	const struct chg_reg_data *reg_data = rdev_get_drvdata(rdev);
-	unsigned int chg_min_uA = rdev->constraints->min_uA;
-	unsigned int chg_max_uA = rdev->constraints->max_uA;
-	unsigned int reg, sel;
-	unsigned int val;
-	int ret;
-
-	ret = regmap_read(rdev->regmap, reg_data->linear_reg, &reg);
-	if (ret < 0)
-		return ret;
-
-	sel = reg & reg_data->linear_mask;
-
-	/* the first four codes for charger current are all 60mA */
-	if (sel <= reg_data->min_sel)
-		sel = 0;
-	else
-		sel -= reg_data->min_sel;
-
-	val = chg_min_uA + reg_data->uA_step * sel;
-	if (val > chg_max_uA)
-		return -EINVAL;
-
-	return val;
-}
-
-static int max77693_chg_set_current_limit(struct regulator_dev *rdev,
-						int min_uA, int max_uA)
-{
-	const struct chg_reg_data *reg_data = rdev_get_drvdata(rdev);
-	unsigned int chg_min_uA = rdev->constraints->min_uA;
-	int sel = 0;
-
-	while (chg_min_uA + reg_data->uA_step * sel < min_uA)
-		sel++;
-
-	if (chg_min_uA + reg_data->uA_step * sel > max_uA)
-		return -EINVAL;
-
-	/* the first four codes for charger current are all 60mA */
-	sel += reg_data->min_sel;
-
-	return regmap_write(rdev->regmap, reg_data->linear_reg, sel);
-}
-/* end of CHARGER regulator ops */
-
-/* Returns regmap suitable for given regulator on chosen device */
-static struct regmap *max77693_get_regmap(enum max77693_types type,
-					  struct max77693_dev *max77693,
-					  int reg_id)
-{
-	if (type == TYPE_MAX77693)
-		return max77693->regmap;
-
-	/* Else: TYPE_MAX77843 */
-	switch (reg_id) {
-	case MAX77843_SAFEOUT1:
-	case MAX77843_SAFEOUT2:
-		return max77693->regmap;
-	case MAX77843_CHARGER:
-		return max77693->regmap_chg;
-	default:
-		return max77693->regmap;
-	}
-}
-
-static const unsigned int max77693_safeout_table[] = {
-	4850000,
-	4900000,
-	4950000,
-	3300000,
-};
-
-static struct regulator_ops max77693_safeout_ops = {
-	.list_voltage		= regulator_list_voltage_table,
-	.is_enabled		= regulator_is_enabled_regmap,
-	.enable			= regulator_enable_regmap,
-	.disable		= regulator_disable_regmap,
-	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
-	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
-};
-
-static struct regulator_ops max77693_charger_ops = {
-	.is_enabled		= regulator_is_enabled_regmap,
-	.enable			= regulator_enable_regmap,
-	.disable		= regulator_disable_regmap,
-	.get_current_limit	= max77693_chg_get_current_limit,
-	.set_current_limit	= max77693_chg_set_current_limit,
-};
-
-#define max77693_regulator_desc_esafeout(_num)	{		\
-	.name		= "ESAFEOUT"#_num,			\
-	.id		= MAX77693_ESAFEOUT##_num,		\
-	.of_match	= of_match_ptr("ESAFEOUT"#_num),	\
-	.regulators_node	= of_match_ptr("regulators"),	\
-	.n_voltages	= 4,					\
-	.ops		= &max77693_safeout_ops,		\
-	.type		= REGULATOR_VOLTAGE,			\
-	.owner		= THIS_MODULE,				\
-	.volt_table	= max77693_safeout_table,		\
-	.vsel_reg	= MAX77693_CHG_REG_SAFEOUT_CTRL,	\
-	.vsel_mask	= SAFEOUT_CTRL_SAFEOUT##_num##_MASK,	\
-	.enable_reg	= MAX77693_CHG_REG_SAFEOUT_CTRL,	\
-	.enable_mask	= SAFEOUT_CTRL_ENSAFEOUT##_num##_MASK ,	\
-}
-
-static const struct regulator_desc max77693_supported_regulators[] = {
-	max77693_regulator_desc_esafeout(1),
-	max77693_regulator_desc_esafeout(2),
-	{
-		.name = "CHARGER",
-		.id = MAX77693_CHARGER,
-		.of_match = of_match_ptr("CHARGER"),
-		.regulators_node = of_match_ptr("regulators"),
-		.ops = &max77693_charger_ops,
-		.type = REGULATOR_CURRENT,
-		.owner = THIS_MODULE,
-		.enable_reg = MAX77693_CHG_REG_CHG_CNFG_00,
-		.enable_mask = CHG_CNFG_00_CHG_MASK |
-				CHG_CNFG_00_BUCK_MASK,
-		.enable_val = CHG_CNFG_00_CHG_MASK | CHG_CNFG_00_BUCK_MASK,
-	},
-};
-
-static const struct chg_reg_data max77693_chg_reg_data = {
-	.linear_reg	= MAX77693_CHG_REG_CHG_CNFG_09,
-	.linear_mask	= CHG_CNFG_09_CHGIN_ILIM_MASK,
-	.uA_step	= 20000,
-	.min_sel	= 3,
-};
-
-#define	max77843_regulator_desc_esafeout(num)	{			\
-	.name		= "SAFEOUT" # num,				\
-	.id		= MAX77843_SAFEOUT ## num,			\
-	.ops		= &max77693_safeout_ops,			\
-	.of_match	= of_match_ptr("SAFEOUT" # num),		\
-	.regulators_node = of_match_ptr("regulators"),			\
-	.type		= REGULATOR_VOLTAGE,				\
-	.owner		= THIS_MODULE,					\
-	.n_voltages	= ARRAY_SIZE(max77693_safeout_table),		\
-	.volt_table	= max77693_safeout_table,			\
-	.enable_reg	= MAX77843_SYS_REG_SAFEOUTCTRL,			\
-	.enable_mask	= MAX77843_REG_SAFEOUTCTRL_ENSAFEOUT ## num,	\
-	.vsel_reg	= MAX77843_SYS_REG_SAFEOUTCTRL,			\
-	.vsel_mask	= MAX77843_REG_SAFEOUTCTRL_SAFEOUT ## num ## _MASK, \
-}
-
-static const struct regulator_desc max77843_supported_regulators[] = {
-	[MAX77843_SAFEOUT1] = max77843_regulator_desc_esafeout(1),
-	[MAX77843_SAFEOUT2] = max77843_regulator_desc_esafeout(2),
-	[MAX77843_CHARGER] = {
-		.name		= "CHARGER",
-		.id		= MAX77843_CHARGER,
-		.ops		= &max77693_charger_ops,
-		.of_match	= of_match_ptr("CHARGER"),
-		.regulators_node = of_match_ptr("regulators"),
-		.type		= REGULATOR_CURRENT,
-		.owner		= THIS_MODULE,
-		.enable_reg	= MAX77843_CHG_REG_CHG_CNFG_00,
-		.enable_mask	= MAX77843_CHG_MASK,
-		.enable_val	= MAX77843_CHG_MASK,
-	},
-};
-
-static const struct chg_reg_data max77843_chg_reg_data = {
-	.linear_reg	= MAX77843_CHG_REG_CHG_CNFG_02,
-	.linear_mask	= MAX77843_CHG_FAST_CHG_CURRENT_MASK,
-	.uA_step	= MAX77843_CHG_FAST_CHG_CURRENT_STEP,
-	.min_sel	= 2,
-};
-
-static int max77693_pmic_probe(struct platform_device *pdev)
-{
-	enum max77693_types type = platform_get_device_id(pdev)->driver_data;
-	struct max77693_dev *iodev = dev_get_drvdata(pdev->dev.parent);
-	const struct regulator_desc *regulators;
-	unsigned int regulators_size;
-	int i;
-	struct regulator_config config = { };
-
-	config.dev = iodev->dev;
-
-	switch (type) {
-	case TYPE_MAX77693:
-		regulators = max77693_supported_regulators;
-		regulators_size = ARRAY_SIZE(max77693_supported_regulators);
-		config.driver_data = (void *)&max77693_chg_reg_data;
-		break;
-	case TYPE_MAX77843:
-		regulators = max77843_supported_regulators;
-		regulators_size = ARRAY_SIZE(max77843_supported_regulators);
-		config.driver_data = (void *)&max77843_chg_reg_data;
-		break;
-	default:
-		dev_err(&pdev->dev, "Unsupported device type: %u\n", type);
-		return -ENODEV;
-	}
-
-	for (i = 0; i < regulators_size; i++) {
-		struct regulator_dev *rdev;
-
-		config.regmap = max77693_get_regmap(type, iodev,
-						    regulators[i].id);
-
-		rdev = devm_regulator_register(&pdev->dev,
-						&regulators[i], &config);
-		if (IS_ERR(rdev)) {
-			dev_err(&pdev->dev,
-				"Failed to initialize regulator-%d\n", i);
-			return PTR_ERR(rdev);
-		}
-	}
-
-	return 0;
-}
-
-static const struct platform_device_id max77693_pmic_id[] = {
-	{ "max77693-pmic", TYPE_MAX77693 },
-	{ "max77843-regulator", TYPE_MAX77843 },
-	{},
-};
-
-MODULE_DEVICE_TABLE(platform, max77693_pmic_id);
-
-static struct platform_driver max77693_pmic_driver = {
-	.driver = {
-		   .name = "max77693-pmic",
-		   },
-	.probe = max77693_pmic_probe,
-	.id_table = max77693_pmic_id,
-};
-
-static int __init max77693_pmic_init(void)
-{
-	return platform_driver_register(&max77693_pmic_driver);
-}
-subsys_initcall(max77693_pmic_init);
-
-static void __exit max77693_pmic_cleanup(void)
-{
-	platform_driver_unregister(&max77693_pmic_driver);
-}
-module_exit(max77693_pmic_cleanup);
-
-MODULE_DESCRIPTION("MAXIM 77693/77843 regulator driver");
-MODULE_AUTHOR("Jonghwa Lee <jonghwa3.lee@samsung.com>");
-MODULE_AUTHOR("Krzysztof Kozlowski <k.kozlowski.k@gmail.com>");
-MODULE_LICENSE("GPL");