From 2731b2eadeaa141e6f305fa8086106608112bbaa Mon Sep 17 00:00:00 2001 From: Roshni Shah Date: Mon, 14 Mar 2011 06:49:42 -0400 Subject: Add support for the i.MX53 QSB This patch seems to have originated from the 11.01.00 release from Freescale, which is no longer available except through the gitweb interface from Freescale. http://opensource.freescale.com/git?p=imx/linux-2.6-imx.git;a=commit;h=27fdf7bae11978d21e8aba09bb635f49b07edd4a --- drivers/regulator/reg-mc9s08dz60.c | 236 +++++++++++++++++++++++++++++++++++++ 1 file changed, 236 insertions(+) create mode 100644 drivers/regulator/reg-mc9s08dz60.c (limited to 'drivers/regulator/reg-mc9s08dz60.c') diff --git a/drivers/regulator/reg-mc9s08dz60.c b/drivers/regulator/reg-mc9s08dz60.c new file mode 100644 index 000000000000..f2748e99fd80 --- /dev/null +++ b/drivers/regulator/reg-mc9s08dz60.c @@ -0,0 +1,236 @@ +/* + * Copyright 2009-2010 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* 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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