mfd: tps65912: Remove old driver in preparation for new driver

The old tps65912 driver is being replaced, delete old driver.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 0 insertions, 541 deletions

diff --git a/drivers/regulator/tps65912-regulator.c b/drivers/regulator/tps65912-regulator.c
deleted file mode 100644
index 9503d5481a52..000000000000
--- a/drivers/regulator/tps65912-regulator.c
+++ /dev/null
@@ -1,541 +0,0 @@
-/*
- * tps65912.c  --  TI tps65912
- *
- * Copyright 2011 Texas Instruments Inc.
- *
- * Author: Margarita Olaya Cabrera <magi@slimlogic.co.uk>
- *
- *  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 driver is based on wm8350 implementation.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/err.h>
-#include <linux/platform_device.h>
-#include <linux/regulator/driver.h>
-#include <linux/regulator/machine.h>
-#include <linux/slab.h>
-#include <linux/gpio.h>
-#include <linux/mfd/tps65912.h>
-
-/* DCDC's */
-#define TPS65912_REG_DCDC1	0
-#define TPS65912_REG_DCDC2	1
-#define TPS65912_REG_DCDC3	2
-#define TPS65912_REG_DCDC4	3
-
-/* LDOs */
-#define TPS65912_REG_LDO1	4
-#define TPS65912_REG_LDO2	5
-#define TPS65912_REG_LDO3	6
-#define TPS65912_REG_LDO4	7
-#define TPS65912_REG_LDO5	8
-#define TPS65912_REG_LDO6	9
-#define TPS65912_REG_LDO7	10
-#define TPS65912_REG_LDO8	11
-#define TPS65912_REG_LDO9	12
-#define TPS65912_REG_LDO10	13
-
-/* Number of step-down converters available */
-#define TPS65912_NUM_DCDC	4
-
-/* Number of LDO voltage regulators  available */
-#define TPS65912_NUM_LDO	10
-
-/* Number of total regulators available */
-#define TPS65912_NUM_REGULATOR		(TPS65912_NUM_DCDC + TPS65912_NUM_LDO)
-
-#define TPS65912_REG_ENABLED	0x80
-#define OP_SELREG_MASK		0x40
-#define OP_SELREG_SHIFT		6
-
-struct tps_info {
-	const char *name;
-};
-
-static struct tps_info tps65912_regs[] = {
-	{
-		.name = "DCDC1",
-	},
-	{
-		.name = "DCDC2",
-	},
-	{
-		.name = "DCDC3",
-	},
-	{
-		.name = "DCDC4",
-	},
-	{
-		.name = "LDO1",
-	},
-	{
-		.name = "LDO2",
-	},
-	{
-		.name = "LDO3",
-	},
-	{
-		.name = "LDO4",
-	},
-	{
-		.name = "LDO5",
-	},
-	{
-		.name = "LDO6",
-	},
-	{
-		.name = "LDO7",
-	},
-	{
-		.name = "LDO8",
-	},
-	{
-		.name = "LDO9",
-	},
-	{
-		.name = "LDO10",
-	},
-};
-
-struct tps65912_reg {
-	struct regulator_desc desc[TPS65912_NUM_REGULATOR];
-	struct tps65912 *mfd;
-	struct regulator_dev *rdev[TPS65912_NUM_REGULATOR];
-	struct tps_info *info[TPS65912_NUM_REGULATOR];
-	/* for read/write access */
-	struct mutex io_lock;
-	int mode;
-	int (*get_ctrl_reg)(int);
-	int dcdc_range[TPS65912_NUM_DCDC];
-	int pwm_mode_reg;
-	int eco_reg;
-};
-
-static const struct regulator_linear_range tps65912_ldo_ranges[] = {
-	REGULATOR_LINEAR_RANGE(800000, 0, 32, 25000),
-	REGULATOR_LINEAR_RANGE(1650000, 33, 60, 50000),
-	REGULATOR_LINEAR_RANGE(3100000, 61, 63, 100000),
-};
-
-static int tps65912_get_range(struct tps65912_reg *pmic, int id)
-{
-	struct tps65912 *mfd = pmic->mfd;
-	int range;
-
-	switch (id) {
-	case TPS65912_REG_DCDC1:
-		range = tps65912_reg_read(mfd, TPS65912_DCDC1_LIMIT);
-		break;
-	case TPS65912_REG_DCDC2:
-		range = tps65912_reg_read(mfd, TPS65912_DCDC2_LIMIT);
-		break;
-	case TPS65912_REG_DCDC3:
-		range = tps65912_reg_read(mfd, TPS65912_DCDC3_LIMIT);
-		break;
-	case TPS65912_REG_DCDC4:
-		range = tps65912_reg_read(mfd, TPS65912_DCDC4_LIMIT);
-		break;
-	default:
-		return 0;
-	}
-
-	if (range >= 0)
-		range = (range & DCDC_LIMIT_RANGE_MASK)
-			>> DCDC_LIMIT_RANGE_SHIFT;
-
-	pmic->dcdc_range[id] = range;
-	return range;
-}
-
-static unsigned long tps65912_vsel_to_uv_range0(u8 vsel)
-{
-	unsigned long uv;
-
-	uv = ((vsel * 12500) + 500000);
-	return uv;
-}
-
-static unsigned long tps65912_vsel_to_uv_range1(u8 vsel)
-{
-	unsigned long uv;
-
-	 uv = ((vsel * 12500) + 700000);
-	return uv;
-}
-
-static unsigned long tps65912_vsel_to_uv_range2(u8 vsel)
-{
-	unsigned long uv;
-
-	uv = ((vsel * 25000) + 500000);
-	return uv;
-}
-
-static unsigned long tps65912_vsel_to_uv_range3(u8 vsel)
-{
-	unsigned long uv;
-
-	if (vsel == 0x3f)
-		uv = 3800000;
-	else
-		uv = ((vsel * 50000) + 500000);
-
-	return uv;
-}
-
-static int tps65912_get_ctrl_register(int id)
-{
-	if (id >= TPS65912_REG_DCDC1 && id <= TPS65912_REG_LDO4)
-		return id * 3 + TPS65912_DCDC1_AVS;
-	else if (id >= TPS65912_REG_LDO5 && id <= TPS65912_REG_LDO10)
-		return id - TPS65912_REG_LDO5 + TPS65912_LDO5;
-	else
-		return -EINVAL;
-}
-
-static int tps65912_get_sel_register(struct tps65912_reg *pmic, int id)
-{
-	struct tps65912 *mfd = pmic->mfd;
-	int opvsel;
-	u8 reg = 0;
-
-	if (id >= TPS65912_REG_DCDC1 && id <= TPS65912_REG_LDO4) {
-		opvsel = tps65912_reg_read(mfd, id * 3 + TPS65912_DCDC1_OP);
-		if (opvsel & OP_SELREG_MASK)
-			reg = id * 3 + TPS65912_DCDC1_AVS;
-		else
-			reg = id * 3 + TPS65912_DCDC1_OP;
-	} else if (id >= TPS65912_REG_LDO5 && id <= TPS65912_REG_LDO10) {
-		reg = id - TPS65912_REG_LDO5 + TPS65912_LDO5;
-	} else {
-		return -EINVAL;
-	}
-
-	return reg;
-}
-
-static int tps65912_get_mode_regiters(struct tps65912_reg *pmic, int id)
-{
-	switch (id) {
-	case TPS65912_REG_DCDC1:
-		pmic->pwm_mode_reg = TPS65912_DCDC1_CTRL;
-		pmic->eco_reg = TPS65912_DCDC1_AVS;
-		break;
-	case TPS65912_REG_DCDC2:
-		pmic->pwm_mode_reg = TPS65912_DCDC2_CTRL;
-		pmic->eco_reg = TPS65912_DCDC2_AVS;
-		break;
-	case TPS65912_REG_DCDC3:
-		pmic->pwm_mode_reg = TPS65912_DCDC3_CTRL;
-		pmic->eco_reg = TPS65912_DCDC3_AVS;
-		break;
-	case TPS65912_REG_DCDC4:
-		pmic->pwm_mode_reg = TPS65912_DCDC4_CTRL;
-		pmic->eco_reg = TPS65912_DCDC4_AVS;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int tps65912_reg_is_enabled(struct regulator_dev *dev)
-{
-	struct tps65912_reg *pmic = rdev_get_drvdata(dev);
-	struct tps65912 *mfd = pmic->mfd;
-	int reg, value, id = rdev_get_id(dev);
-
-	if (id < TPS65912_REG_DCDC1 || id > TPS65912_REG_LDO10)
-		return -EINVAL;
-
-	reg = pmic->get_ctrl_reg(id);
-	if (reg < 0)
-		return reg;
-
-	value = tps65912_reg_read(mfd, reg);
-	if (value < 0)
-		return value;
-
-	return value & TPS65912_REG_ENABLED;
-}
-
-static int tps65912_reg_enable(struct regulator_dev *dev)
-{
-	struct tps65912_reg *pmic = rdev_get_drvdata(dev);
-	struct tps65912 *mfd = pmic->mfd;
-	int id = rdev_get_id(dev);
-	int reg;
-
-	if (id < TPS65912_REG_DCDC1 || id > TPS65912_REG_LDO10)
-		return -EINVAL;
-
-	reg = pmic->get_ctrl_reg(id);
-	if (reg < 0)
-		return reg;
-
-	return tps65912_set_bits(mfd, reg, TPS65912_REG_ENABLED);
-}
-
-static int tps65912_reg_disable(struct regulator_dev *dev)
-{
-	struct tps65912_reg *pmic = rdev_get_drvdata(dev);
-	struct tps65912 *mfd = pmic->mfd;
-	int id = rdev_get_id(dev), reg;
-
-	reg = pmic->get_ctrl_reg(id);
-	if (reg < 0)
-		return reg;
-
-	return tps65912_clear_bits(mfd, reg, TPS65912_REG_ENABLED);
-}
-
-static int tps65912_set_mode(struct regulator_dev *dev, unsigned int mode)
-{
-	struct tps65912_reg *pmic = rdev_get_drvdata(dev);
-	struct tps65912 *mfd = pmic->mfd;
-	int pwm_mode, eco, id = rdev_get_id(dev);
-
-	tps65912_get_mode_regiters(pmic, id);
-
-	pwm_mode = tps65912_reg_read(mfd, pmic->pwm_mode_reg);
-	eco = tps65912_reg_read(mfd, pmic->eco_reg);
-
-	pwm_mode &= DCDCCTRL_DCDC_MODE_MASK;
-	eco &= DCDC_AVS_ECO_MASK;
-
-	switch (mode) {
-	case REGULATOR_MODE_FAST:
-		/* Verify if mode alredy set */
-		if (pwm_mode && !eco)
-			break;
-		tps65912_set_bits(mfd, pmic->pwm_mode_reg, DCDCCTRL_DCDC_MODE_MASK);
-		tps65912_clear_bits(mfd, pmic->eco_reg, DCDC_AVS_ECO_MASK);
-		break;
-	case REGULATOR_MODE_NORMAL:
-	case REGULATOR_MODE_IDLE:
-		if (!pwm_mode && !eco)
-			break;
-		tps65912_clear_bits(mfd, pmic->pwm_mode_reg, DCDCCTRL_DCDC_MODE_MASK);
-		tps65912_clear_bits(mfd, pmic->eco_reg, DCDC_AVS_ECO_MASK);
-		break;
-	case REGULATOR_MODE_STANDBY:
-		if (!pwm_mode && eco)
-			break;
-		tps65912_clear_bits(mfd, pmic->pwm_mode_reg, DCDCCTRL_DCDC_MODE_MASK);
-		tps65912_set_bits(mfd, pmic->eco_reg, DCDC_AVS_ECO_MASK);
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static unsigned int tps65912_get_mode(struct regulator_dev *dev)
-{
-	struct tps65912_reg *pmic = rdev_get_drvdata(dev);
-	struct tps65912 *mfd = pmic->mfd;
-	int pwm_mode, eco, mode = 0, id = rdev_get_id(dev);
-
-	tps65912_get_mode_regiters(pmic, id);
-
-	pwm_mode = tps65912_reg_read(mfd, pmic->pwm_mode_reg);
-	eco = tps65912_reg_read(mfd, pmic->eco_reg);
-
-	pwm_mode &= DCDCCTRL_DCDC_MODE_MASK;
-	eco &= DCDC_AVS_ECO_MASK;
-
-	if (pwm_mode && !eco)
-		mode = REGULATOR_MODE_FAST;
-	else if (!pwm_mode && !eco)
-		mode = REGULATOR_MODE_NORMAL;
-	else if (!pwm_mode && eco)
-		mode = REGULATOR_MODE_STANDBY;
-
-	return mode;
-}
-
-static int tps65912_list_voltage(struct regulator_dev *dev, unsigned selector)
-{
-	struct tps65912_reg *pmic = rdev_get_drvdata(dev);
-	int range, voltage = 0, id = rdev_get_id(dev);
-
-	if (id > TPS65912_REG_DCDC4)
-		return -EINVAL;
-
-	range = pmic->dcdc_range[id];
-
-	switch (range) {
-	case 0:
-		/* 0.5 - 1.2875V in 12.5mV steps */
-		voltage = tps65912_vsel_to_uv_range0(selector);
-		break;
-	case 1:
-		/* 0.7 - 1.4875V in 12.5mV steps */
-		voltage = tps65912_vsel_to_uv_range1(selector);
-		break;
-	case 2:
-		/* 0.5 - 2.075V in 25mV steps */
-		voltage = tps65912_vsel_to_uv_range2(selector);
-		break;
-	case 3:
-		/* 0.5 - 3.8V in 50mV steps */
-		voltage = tps65912_vsel_to_uv_range3(selector);
-		break;
-	}
-	return voltage;
-}
-
-static int tps65912_get_voltage_sel(struct regulator_dev *dev)
-{
-	struct tps65912_reg *pmic = rdev_get_drvdata(dev);
-	struct tps65912 *mfd = pmic->mfd;
-	int id = rdev_get_id(dev);
-	int reg, vsel;
-
-	reg = tps65912_get_sel_register(pmic, id);
-	if (reg < 0)
-		return reg;
-
-	vsel = tps65912_reg_read(mfd, reg);
-	vsel &= 0x3F;
-
-	return vsel;
-}
-
-static int tps65912_set_voltage_sel(struct regulator_dev *dev,
-					 unsigned selector)
-{
-	struct tps65912_reg *pmic = rdev_get_drvdata(dev);
-	struct tps65912 *mfd = pmic->mfd;
-	int id = rdev_get_id(dev);
-	int value;
-	u8 reg;
-
-	reg = tps65912_get_sel_register(pmic, id);
-	value = tps65912_reg_read(mfd, reg);
-	value &= 0xC0;
-	return tps65912_reg_write(mfd, reg, selector | value);
-}
-
-/* Operations permitted on DCDCx */
-static struct regulator_ops tps65912_ops_dcdc = {
-	.is_enabled = tps65912_reg_is_enabled,
-	.enable = tps65912_reg_enable,
-	.disable = tps65912_reg_disable,
-	.set_mode = tps65912_set_mode,
-	.get_mode = tps65912_get_mode,
-	.get_voltage_sel = tps65912_get_voltage_sel,
-	.set_voltage_sel = tps65912_set_voltage_sel,
-	.list_voltage = tps65912_list_voltage,
-};
-
-/* Operations permitted on LDOx */
-static struct regulator_ops tps65912_ops_ldo = {
-	.is_enabled = tps65912_reg_is_enabled,
-	.enable = tps65912_reg_enable,
-	.disable = tps65912_reg_disable,
-	.get_voltage_sel = tps65912_get_voltage_sel,
-	.set_voltage_sel = tps65912_set_voltage_sel,
-	.list_voltage = regulator_list_voltage_linear_range,
-	.map_voltage = regulator_map_voltage_linear_range,
-};
-
-static int tps65912_probe(struct platform_device *pdev)
-{
-	struct tps65912 *tps65912 = dev_get_drvdata(pdev->dev.parent);
-	struct regulator_config config = { };
-	struct tps_info *info;
-	struct regulator_init_data *reg_data;
-	struct regulator_dev *rdev;
-	struct tps65912_reg *pmic;
-	struct tps65912_board *pmic_plat_data;
-	int i;
-
-	pmic_plat_data = dev_get_platdata(tps65912->dev);
-	if (!pmic_plat_data)
-		return -EINVAL;
-
-	reg_data = pmic_plat_data->tps65912_pmic_init_data;
-
-	pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
-	if (!pmic)
-		return -ENOMEM;
-
-	mutex_init(&pmic->io_lock);
-	pmic->mfd = tps65912;
-	platform_set_drvdata(pdev, pmic);
-
-	pmic->get_ctrl_reg = &tps65912_get_ctrl_register;
-	info = tps65912_regs;
-
-	for (i = 0; i < TPS65912_NUM_REGULATOR; i++, info++, reg_data++) {
-		int range = 0;
-		/* Register the regulators */
-		pmic->info[i] = info;
-
-		pmic->desc[i].name = info->name;
-		pmic->desc[i].id = i;
-		pmic->desc[i].n_voltages = 64;
-		if (i > TPS65912_REG_DCDC4) {
-			pmic->desc[i].ops = &tps65912_ops_ldo;
-			pmic->desc[i].linear_ranges = tps65912_ldo_ranges;
-			pmic->desc[i].n_linear_ranges =
-					ARRAY_SIZE(tps65912_ldo_ranges);
-		} else {
-			pmic->desc[i].ops = &tps65912_ops_dcdc;
-		}
-		pmic->desc[i].type = REGULATOR_VOLTAGE;
-		pmic->desc[i].owner = THIS_MODULE;
-		range = tps65912_get_range(pmic, i);
-
-		config.dev = tps65912->dev;
-		config.init_data = reg_data;
-		config.driver_data = pmic;
-
-		rdev = devm_regulator_register(&pdev->dev, &pmic->desc[i],
-					       &config);
-		if (IS_ERR(rdev)) {
-			dev_err(tps65912->dev,
-				"failed to register %s regulator\n",
-				pdev->name);
-			return PTR_ERR(rdev);
-		}
-
-		/* Save regulator for cleanup */
-		pmic->rdev[i] = rdev;
-	}
-	return 0;
-}
-
-static struct platform_driver tps65912_driver = {
-	.driver = {
-		.name = "tps65912-pmic",
-	},
-	.probe = tps65912_probe,
-};
-
-static int __init tps65912_init(void)
-{
-	return platform_driver_register(&tps65912_driver);
-}
-subsys_initcall(tps65912_init);
-
-static void __exit tps65912_cleanup(void)
-{
-	platform_driver_unregister(&tps65912_driver);
-}
-module_exit(tps65912_cleanup);
-
-MODULE_AUTHOR("Margarita Olaya Cabrera <magi@slimlogic.co.uk>");
-MODULE_DESCRIPTION("TPS65912 voltage regulator driver");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:tps65912-pmic");