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/*
* Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/bitops.h>
#include <linux/err.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/driver.h>
#include <linux/mfd/mc9s08dz60/core.h>
#include <linux/mfd/mc9s08dz60/pmic.h>
#include <linux/platform_device.h>
#include <linux/pmic_status.h>
/* lcd */
static int mc9s08dz60_lcd_enable(struct regulator_dev *reg)
{
return pmic_gpio_set_bit_val(MCU_GPIO_REG_GPIO_CONTROL_1, 6, 1);
}
static int mc9s08dz60_lcd_disable(struct regulator_dev *reg)
{
return pmic_gpio_set_bit_val(MCU_GPIO_REG_GPIO_CONTROL_1, 6, 0);
}
static struct regulator_ops mc9s08dz60_lcd_ops = {
.enable = mc9s08dz60_lcd_enable,
.disable = mc9s08dz60_lcd_disable,
};
/* wifi */
static int mc9s08dz60_wifi_enable(struct regulator_dev *reg)
{
return pmic_gpio_set_bit_val(MCU_GPIO_REG_GPIO_CONTROL_1, 5, 1);
}
static int mc9s08dz60_wifi_disable(struct regulator_dev *reg)
{
return pmic_gpio_set_bit_val(MCU_GPIO_REG_GPIO_CONTROL_1, 5, 0);
}
static struct regulator_ops mc9s08dz60_wifi_ops = {
.enable = mc9s08dz60_wifi_enable,
.disable = mc9s08dz60_wifi_disable,
};
/* hdd */
static int mc9s08dz60_hdd_enable(struct regulator_dev *reg)
{
return pmic_gpio_set_bit_val(MCU_GPIO_REG_GPIO_CONTROL_1, 4, 1);
}
static int mc9s08dz60_hdd_disable(struct regulator_dev *reg)
{
return pmic_gpio_set_bit_val(MCU_GPIO_REG_GPIO_CONTROL_1, 4, 0);
}
static struct regulator_ops mc9s08dz60_hdd_ops = {
.enable = mc9s08dz60_hdd_enable,
.disable = mc9s08dz60_hdd_disable,
};
/* gps */
static int mc9s08dz60_gps_enable(struct regulator_dev *reg)
{
return pmic_gpio_set_bit_val(MCU_GPIO_REG_GPIO_CONTROL_2, 0, 1);
}
static int mc9s08dz60_gps_disable(struct regulator_dev *reg)
{
return pmic_gpio_set_bit_val(MCU_GPIO_REG_GPIO_CONTROL_2, 0, 0);
}
static struct regulator_ops mc9s08dz60_gps_ops = {
.enable = mc9s08dz60_gps_enable,
.disable = mc9s08dz60_gps_disable,
};
/* speaker */
static int mc9s08dz60_speaker_enable(struct regulator_dev *reg)
{
return pmic_gpio_set_bit_val(MCU_GPIO_REG_GPIO_CONTROL_1, 0, 1);
}
static int mc9s08dz60_speaker_disable(struct regulator_dev *reg)
{
return pmic_gpio_set_bit_val(MCU_GPIO_REG_GPIO_CONTROL_1, 0, 0);
}
static struct regulator_ops mc9s08dz60_speaker_ops = {
.enable = mc9s08dz60_speaker_enable,
.disable = mc9s08dz60_speaker_disable,
};
static struct regulator_desc mc9s08dz60_reg[] = {
{
.name = "LCD",
.id = MC9S08DZ60_LCD,
.ops = &mc9s08dz60_lcd_ops,
.irq = 0,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE
},
{
.name = "WIFI",
.id = MC9S08DZ60_WIFI,
.ops = &mc9s08dz60_wifi_ops,
.irq = 0,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE
},
{
.name = "HDD",
.id = MC9S08DZ60_HDD,
.ops = &mc9s08dz60_hdd_ops,
.irq = 0,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE
},
{
.name = "GPS",
.id = MC9S08DZ60_GPS,
.ops = &mc9s08dz60_gps_ops,
.irq = 0,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE
},
{
.name = "SPKR",
.id = MC9S08DZ60_SPKR,
.ops = &mc9s08dz60_speaker_ops,
.irq = 0,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE
},
};
static int mc9s08dz60_regulator_probe(struct platform_device *pdev)
{
struct regulator_dev *rdev;
/* register regulator */
rdev = regulator_register(&mc9s08dz60_reg[pdev->id], &pdev->dev,
pdev->dev.platform_data,
dev_get_drvdata(&pdev->dev));
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "failed to register %s\n",
mc9s08dz60_reg[pdev->id].name);
return PTR_ERR(rdev);
}
return 0;
}
static int mc9s08dz60_regulator_remove(struct platform_device *pdev)
{
struct regulator_dev *rdev = platform_get_drvdata(pdev);
regulator_unregister(rdev);
return 0;
}
int mc9s08dz60_register_regulator(struct mc9s08dz60 *mc9s08dz60, int reg,
struct regulator_init_data *initdata)
{
struct platform_device *pdev;
int ret;
if (mc9s08dz60->pmic.pdev[reg])
return -EBUSY;
pdev = platform_device_alloc("mc9s08dz60-regu", reg);
if (!pdev)
return -ENOMEM;
mc9s08dz60->pmic.pdev[reg] = pdev;
initdata->driver_data = mc9s08dz60;
pdev->dev.platform_data = initdata;
pdev->dev.parent = mc9s08dz60->dev;
platform_set_drvdata(pdev, mc9s08dz60);
ret = platform_device_add(pdev);
if (ret != 0) {
dev_err(mc9s08dz60->dev,
"Failed to register regulator %d: %d\n",
reg, ret);
platform_device_del(pdev);
mc9s08dz60->pmic.pdev[reg] = NULL;
}
return ret;
}
EXPORT_SYMBOL_GPL(mc9s08dz60_register_regulator);
static struct platform_driver mc9s08dz60_regulator_driver = {
.probe = mc9s08dz60_regulator_probe,
.remove = mc9s08dz60_regulator_remove,
.driver = {
.name = "mc9s08dz60-regu",
},
};
static int __init mc9s08dz60_regulator_init(void)
{
return platform_driver_register(&mc9s08dz60_regulator_driver);
}
subsys_initcall(mc9s08dz60_regulator_init);
static void __exit mc9s08dz60_regulator_exit(void)
{
platform_driver_unregister(&mc9s08dz60_regulator_driver);
}
module_exit(mc9s08dz60_regulator_exit);
MODULE_AUTHOR("Freescale Semiconductor, Inc.");
MODULE_DESCRIPTION("MC9S08DZ60 Regulator driver");
MODULE_LICENSE("GPL");
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