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path: root/drivers/regulator/reg-mc9s08dz60.c
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Diffstat (limited to 'drivers/regulator/reg-mc9s08dz60.c')
-rw-r--r--drivers/regulator/reg-mc9s08dz60.c236
1 files changed, 236 insertions, 0 deletions
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 <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");