Inital pcf50606 support

25 files changed, 2883 insertions, 0 deletions

diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 1acfa3a05aa..558b73f0100 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -237,6 +237,13 @@ config INPUT_PCF50633_PMU
 	 Say Y to include support for delivering  PMU events via  input
 	 layer on NXP PCF50633.
 
+config INPUT_PCF50606_PMU
+	tristate "PCF50606 PMU events"
+	depends on MFD_PCF50606
+	help
+	 Say Y to include support for delivering  PMU events via  input
+	 layer on NXP PCF50606.
+
 config INPUT_GPIO_ROTARY_ENCODER
 	tristate "Rotary encoders connected to GPIO pins"
 	depends on GPIOLIB && GENERIC_GPIO
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 0d979fd4cd5..730857b6674 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_INPUT_IXP4XX_BEEPER)	+= ixp4xx-beeper.o
 obj-$(CONFIG_INPUT_KEYSPAN_REMOTE)	+= keyspan_remote.o
 obj-$(CONFIG_INPUT_M68K_BEEP)		+= m68kspkr.o
 obj-$(CONFIG_INPUT_PCF50633_PMU)	+= pcf50633-input.o
+obj-$(CONFIG_INPUT_PCF50606_PMU)	+= pcf50606-input.o
 obj-$(CONFIG_INPUT_PCSPKR)		+= pcspkr.o
 obj-$(CONFIG_INPUT_POWERMATE)		+= powermate.o
 obj-$(CONFIG_INPUT_RB532_BUTTON)	+= rb532_button.o
diff --git a/drivers/input/misc/pcf50606-input.c b/drivers/input/misc/pcf50606-input.c
new file mode 100644
index 00000000000..044438ed662
--- /dev/null
+++ b/drivers/input/misc/pcf50606-input.c
@@ -0,0 +1,140 @@
+/* Philips PCF50606 Input Driver
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * Author: Balaji Rao <balajirrao@openmoko.org>
+ * All rights reserved.
+ *
+ * Broken down from monstrous PCF50606 driver mainly by
+ * Harald Welte, Matt Hsu, Andy Green and Werner Almesberger
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+
+#include <linux/mfd/pcf50606/core.h>
+
+#define PCF50606_OOCS_ONKEY		0x01
+#define PCF50606_OOCS_EXTON	 	0x02
+
+#define PCF50606_OOCC2_ONKEYDB_NONE	0x00
+#define PCF50606_OOCC2_ONKEYDB_14ms	0x01
+#define PCF50606_OOCC2_ONKEYDB_62ms	0x02
+#define PCF50606_OOCC2_ONKEYDB_500ms	0x03
+#define PCF50606_OOCC2_EXTONDB_NONE	0x00
+#define PCF50606_OOCC2_EXTONDB_14ms	0x04
+#define PCF50606_OOCC2_EXTONDB_62ms	0x08
+#define PCF50606_OOCC2_EXTONDB_500ms	0x0c
+
+#define PCF50606_REG_OOCS 	0x01
+
+struct pcf50606_input {
+	struct pcf50606 *pcf;
+	struct input_dev *input_dev;
+};
+
+static void
+pcf50606_input_irq(int irq, void *data)
+{
+	struct pcf50606_input *input;
+	int onkey_released;
+
+	input = data;
+	onkey_released = pcf50606_reg_read(input->pcf, PCF50606_REG_OOCS) &
+						PCF50606_OOCS_ONKEY;
+
+	if (irq == PCF50606_IRQ_ONKEYF && !onkey_released)
+		input_report_key(input->input_dev, KEY_POWER, 1);
+	else if (irq == PCF50606_IRQ_ONKEYR && onkey_released)
+		input_report_key(input->input_dev, KEY_POWER, 0);
+
+	input_sync(input->input_dev);
+}
+
+static int __devinit pcf50606_input_probe(struct platform_device *pdev)
+{
+	struct pcf50606_input *input;
+	struct pcf50606_subdev_pdata *pdata = pdev->dev.platform_data;
+	struct input_dev *input_dev;
+	int ret;
+
+
+	input = kzalloc(sizeof(*input), GFP_KERNEL);
+	if (!input)
+		return -ENOMEM;
+
+	input_dev = input_allocate_device();
+	if (!input_dev) {
+		kfree(input);
+		return -ENOMEM;
+	}
+
+	platform_set_drvdata(pdev, input);
+	input->pcf = pdata->pcf;
+	input->input_dev = input_dev;
+
+	input_dev->name = "PCF50606 PMU events";
+	input_dev->id.bustype = BUS_I2C;
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_PWR);
+	set_bit(KEY_POWER, input_dev->keybit);
+
+	ret = input_register_device(input_dev);
+	if (ret) {
+		input_free_device(input_dev);
+		kfree(input);
+		return ret;
+	}
+	pcf50606_register_irq(pdata->pcf, PCF50606_IRQ_ONKEYR,
+				pcf50606_input_irq, input);
+	pcf50606_register_irq(pdata->pcf, PCF50606_IRQ_ONKEYF,
+				pcf50606_input_irq, input);
+
+	return 0;
+}
+
+static int __devexit pcf50606_input_remove(struct platform_device *pdev)
+{
+	struct pcf50606_input *input  = platform_get_drvdata(pdev);
+
+	input_unregister_device(input->input_dev);
+	pcf50606_free_irq(input->pcf, PCF50606_IRQ_ONKEYR);
+	pcf50606_free_irq(input->pcf, PCF50606_IRQ_ONKEYF);
+
+	kfree(input);
+
+	return 0;
+}
+
+static struct platform_driver pcf50606_input_driver = {
+	.driver = {
+		.name = "pcf50606-input",
+	},
+	.probe = pcf50606_input_probe,
+	.remove = __devexit_p(pcf50606_input_remove),
+};
+
+static int __init pcf50606_input_init(void)
+{
+	return platform_driver_register(&pcf50606_input_driver);
+}
+module_init(pcf50606_input_init);
+
+static void __exit pcf50606_input_exit(void)
+{
+	platform_driver_unregister(&pcf50606_input_driver);
+}
+module_exit(pcf50606_input_exit);
+
+MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
+MODULE_DESCRIPTION("PCF50606 input driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pcf50606-input");
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 491ac0f800d..4e952cc7a8f 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -263,6 +263,29 @@ config EZX_PCAP
 	  This enables the PCAP ASIC present on EZX Phones. This is
 	  needed for MMC, TouchScreen, Sound, USB, etc..
 
+config MFD_PCF50606
+	tristate "Support for NXP PCF50606"
+	depends on I2C
+	help
+	   Say yes here if you have NXP PCF50606 chip on your board.
+	   This core driver provides register access and IRQ handling
+	   facilities, and registers devices for the various functions
+	   so that function-specific drivers can bind to them.
+
+config PCF50606_ADC
+	tristate "Support for NXP PCF50606 ADC"
+	depends on MFD_PCF50606
+	help
+	  Say yes here if you want to include support for ADC in the
+	  NXP PCF50606 chip.
+
+config PCF50606_GPO
+	tristate "Support for NXP PCF50606 GPO"
+	depends on MFD_PCF50606
+	help
+	  Say yes here if you want to include support GPO for pins on
+	  the PCF50606 chip.
+
 endmenu
 
 menu "Multimedia Capabilities Port drivers"
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 6f8a9a1af20..ba41b36f2c5 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -44,3 +44,8 @@ obj-$(CONFIG_MFD_PCF50633)	+= pcf50633-core.o
 obj-$(CONFIG_PCF50633_ADC)	+= pcf50633-adc.o
 obj-$(CONFIG_PCF50633_GPIO)	+= pcf50633-gpio.o
 obj-$(CONFIG_AB3100_CORE)	+= ab3100-core.o
+
+obj-$(CONFIG_MFD_PCF50606)	+= pcf50606-core.o
+obj-$(CONFIG_PCF50606_ADC)	+= pcf50606-adc.o
+obj-$(CONFIG_PCF50606_GPO)	+= pcf50606-gpo.o
+
diff --git a/drivers/mfd/pcf50606-adc.c b/drivers/mfd/pcf50606-adc.c
new file mode 100644
index 00000000000..38f5b5c0593
--- /dev/null
+++ b/drivers/mfd/pcf50606-adc.c
@@ -0,0 +1,279 @@
+/* Philips PCF50606 ADC Driver
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * Author: Balaji Rao <balajirrao@openmoko.org>
+ * All rights reserved.
+ *
+ * Broken down from monstrous PCF50606 driver mainly by
+ * Harald Welte, Andy Green, Werner Almesberger and Matt Hsu
+ *
+ *  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.
+ *
+ *  NOTE: This driver does not yet support subtractive ADC mode, which means
+ *  you can do only one measurement per read request.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/completion.h>
+
+#include <linux/mfd/pcf50606/core.h>
+#include <linux/mfd/pcf50606/adc.h>
+
+struct pcf50606_adc_request {
+	int mux;
+	int result;
+	void (*callback)(struct pcf50606 *, void *, int);
+	void *callback_param;
+
+	/* Used in case of sync requests */
+	struct completion completion;
+
+};
+
+#define PCF50606_MAX_ADC_FIFO_DEPTH 8
+
+struct pcf50606_adc {
+	struct pcf50606 *pcf;
+
+	/* Private stuff */
+	struct pcf50606_adc_request *queue[PCF50606_MAX_ADC_FIFO_DEPTH];
+	int queue_head;
+	int queue_tail;
+	struct mutex queue_mutex;
+};
+
+static inline struct pcf50606_adc *__to_adc(struct pcf50606 *pcf)
+{
+	return platform_get_drvdata(pcf->adc_pdev);
+}
+
+static void adc_setup(struct pcf50606 *pcf, int channel)
+{
+	channel &= PCF50606_ADCC2_ADCMUX_MASK;
+
+	/* start ADC conversion of selected channel */
+	pcf50606_reg_write(pcf, PCF50606_REG_ADCC2, channel |
+		    PCF50606_ADCC2_ADCSTART | PCF50606_ADCC2_RES_10BIT);
+
+}
+
+static void trigger_next_adc_job_if_any(struct pcf50606 *pcf)
+{
+	struct pcf50606_adc *adc = __to_adc(pcf);
+	int head, tail;
+
+	mutex_lock(&adc->queue_mutex);
+
+	head = adc->queue_head;
+	tail = adc->queue_tail;
+
+	if (!adc->queue[head])
+		goto out;
+
+	adc_setup(pcf, adc->queue[head]->mux);
+out:
+	mutex_unlock(&adc->queue_mutex);
+}
+
+static int
+adc_enqueue_request(struct pcf50606 *pcf, struct pcf50606_adc_request *req)
+{
+	struct pcf50606_adc *adc = __to_adc(pcf);
+	int head, tail;
+
+	mutex_lock(&adc->queue_mutex);
+	head = adc->queue_head;
+	tail = adc->queue_tail;
+
+	if (adc->queue[tail]) {
+		mutex_unlock(&adc->queue_mutex);
+		return -EBUSY;
+	}
+
+	adc->queue[tail] = req;
+
+	adc->queue_tail =
+		(tail + 1) & (PCF50606_MAX_ADC_FIFO_DEPTH - 1);
+
+	mutex_unlock(&adc->queue_mutex);
+
+	trigger_next_adc_job_if_any(pcf);
+
+	return 0;
+}
+
+static void
+pcf50606_adc_sync_read_callback(struct pcf50606 *pcf, void *param, int result)
+{
+	struct pcf50606_adc_request *req;
+
+	/*We know here that the passed param is an adc_request object */
+	req = (struct pcf50606_adc_request *)param;
+
+	req->result = result;
+	complete(&req->completion);
+}
+
+int pcf50606_adc_sync_read(struct pcf50606 *pcf, int mux)
+{
+
+	struct pcf50606_adc_request *req;
+	int result;
+
+	/* req is freed when the result is ready, in irq handler*/
+	req = kzalloc(sizeof(*req), GFP_KERNEL);
+	if (!req)
+		return -ENOMEM;
+
+	req->mux = mux;
+	req->callback =  pcf50606_adc_sync_read_callback;
+	req->callback_param = req;
+	init_completion(&req->completion);
+
+	adc_enqueue_request(pcf, req);
+
+	if (wait_for_completion_timeout(&req->completion, 5 * HZ) == 5 * HZ) {
+		dev_err(pcf->dev, "ADC read timed out \n");
+	}
+
+	result = req->result;
+
+	return result;
+}
+EXPORT_SYMBOL_GPL(pcf50606_adc_sync_read);
+
+int pcf50606_adc_async_read(struct pcf50606 *pcf, int mux,
+			     void (*callback)(struct pcf50606 *, void *, int),
+			     void *callback_param)
+{
+	struct pcf50606_adc_request *req;
+
+	/* req is freed when the result is ready, in pcf50606_work*/
+	req = kmalloc(sizeof(*req), GFP_KERNEL);
+	if (!req)
+		return -ENOMEM;
+
+	req->mux = mux;
+	req->callback = callback;
+	req->callback_param = callback_param;
+
+	adc_enqueue_request(pcf, req);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(pcf50606_adc_async_read);
+
+static int adc_result(struct pcf50606 *pcf)
+{
+	u16 ret = (pcf50606_reg_read(pcf, PCF50606_REG_ADCS1) << 2) |
+			(pcf50606_reg_read(pcf, PCF50606_REG_ADCS2) & 0x03);
+
+	dev_dbg(pcf->dev, "adc result = %d\n", ret);
+
+	return ret;
+}
+
+static void pcf50606_adc_irq(int irq, void *data)
+{
+	struct pcf50606_adc *adc = data;
+	struct pcf50606 *pcf = adc->pcf;
+	struct pcf50606_adc_request *req;
+	int head;
+
+	mutex_lock(&adc->queue_mutex);
+	head = adc->queue_head;
+
+	req = adc->queue[head];
+	if (WARN_ON(!req)) {
+		dev_err(pcf->dev, "pcf50606-adc irq: ADC queue empty!\n");
+		mutex_unlock(&adc->queue_mutex);
+		return;
+	}
+
+	adc->queue[head] = NULL;
+	adc->queue_head = (head + 1) &
+				      (PCF50606_MAX_ADC_FIFO_DEPTH - 1);
+
+	mutex_unlock(&adc->queue_mutex);
+
+	req->callback(pcf, req->callback_param, adc_result(pcf));
+	kfree(req);
+
+	trigger_next_adc_job_if_any(pcf);
+}
+
+static int __devinit pcf50606_adc_probe(struct platform_device *pdev)
+{
+	struct pcf50606_subdev_pdata *pdata = pdev->dev.platform_data;
+	struct pcf50606_adc *adc;
+
+	adc = kzalloc(sizeof(*adc), GFP_KERNEL);
+	if (!adc)
+		return -ENOMEM;
+
+	adc->pcf = pdata->pcf;
+	platform_set_drvdata(pdev, adc);
+
+	pcf50606_register_irq(pdata->pcf, PCF50606_IRQ_ADCRDY,
+					pcf50606_adc_irq, adc);
+
+	mutex_init(&adc->queue_mutex);
+
+	return 0;
+}
+
+static int __devexit pcf50606_adc_remove(struct platform_device *pdev)
+{
+	struct pcf50606_adc *adc = platform_get_drvdata(pdev);
+	int i, head;
+
+	pcf50606_free_irq(adc->pcf, PCF50606_IRQ_ADCRDY);
+
+	mutex_lock(&adc->queue_mutex);
+	head = adc->queue_head;
+
+	if (WARN_ON(adc->queue[head]))
+		dev_err(adc->pcf->dev,
+			"adc driver removed with request pending\n");
+
+	for (i = 0; i < PCF50606_MAX_ADC_FIFO_DEPTH; i++)
+		kfree(adc->queue[i]);
+
+	mutex_unlock(&adc->queue_mutex);
+	kfree(adc);
+
+	return 0;
+}
+
+struct platform_driver pcf50606_adc_driver = {
+	.driver = {
+		.name = "pcf50606-adc",
+	},
+	.probe = pcf50606_adc_probe,
+	.remove = __devexit_p(pcf50606_adc_remove),
+};
+
+static int __init pcf50606_adc_init(void)
+{
+		return platform_driver_register(&pcf50606_adc_driver);
+}
+module_init(pcf50606_adc_init);
+
+static void __exit pcf50606_adc_exit(void)
+{
+		platform_driver_unregister(&pcf50606_adc_driver);
+}
+module_exit(pcf50606_adc_exit);
+
+MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
+MODULE_DESCRIPTION("PCF50606 adc driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pcf50606-adc");
+
diff --git a/drivers/mfd/pcf50606-core.c b/drivers/mfd/pcf50606-core.c
new file mode 100644
index 00000000000..09ce70b9b79
--- /dev/null
+++ b/drivers/mfd/pcf50606-core.c
@@ -0,0 +1,680 @@
+/* Philips PCF50606 Power Management Unit (PMU) driver
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * Author: Harald Welte <laforge@openmoko.org>
+ *	    Matt Hsu <matt@openmoko.org>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/sysfs.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/workqueue.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/irq.h>
+#include <linux/device.h>
+#include <linux/module.h>
+
+#include <linux/mfd/pcf50606/core.h>
+
+static int __pcf50606_read(struct pcf50606 *pcf, u8 reg, int num, u8 *data)
+{
+	int ret;
+
+	ret = i2c_smbus_read_i2c_block_data(pcf->i2c_client, reg,
+				num, data);
+	if (ret < 0)
+		dev_err(pcf->dev, "Error reading %d regs at %d\n", num, reg);
+
+	return ret;
+}
+
+static int __pcf50606_write(struct pcf50606 *pcf, u8 reg, int num, u8 *data)
+{
+	int ret;
+
+	ret = i2c_smbus_write_i2c_block_data(pcf->i2c_client, reg,
+				num, data);
+	if (ret < 0)
+		dev_err(pcf->dev, "Error writing %d regs at %d\n", num, reg);
+
+	return ret;
+
+}
+
+/* Read a block of upto 32 regs  */
+int pcf50606_read_block(struct pcf50606 *pcf, u8 reg,
+					int nr_regs, u8 *data)
+{
+	int ret;
+
+	mutex_lock(&pcf->lock);
+	ret = __pcf50606_read(pcf, reg, nr_regs, data);
+	mutex_unlock(&pcf->lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(pcf50606_read_block);
+
+/* Write a block of upto 32 regs  */
+int pcf50606_write_block(struct pcf50606 *pcf , u8 reg,
+					int nr_regs, u8 *data)
+{
+	int ret;
+
+	mutex_lock(&pcf->lock);
+	ret = __pcf50606_write(pcf, reg, nr_regs, data);
+	mutex_unlock(&pcf->lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(pcf50606_write_block);
+
+u8 pcf50606_reg_read(struct pcf50606 *pcf, u8 reg)
+{
+	u8 val;
+
+	mutex_lock(&pcf->lock);
+	__pcf50606_read(pcf, reg, 1, &val);
+	mutex_unlock(&pcf->lock);
+
+	return val;
+}
+EXPORT_SYMBOL_GPL(pcf50606_reg_read);
+
+int pcf50606_reg_write(struct pcf50606 *pcf, u8 reg, u8 val)
+{
+	int ret;
+
+	mutex_lock(&pcf->lock);
+	ret = __pcf50606_write(pcf, reg, 1, &val);
+	mutex_unlock(&pcf->lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(pcf50606_reg_write);
+
+int pcf50606_reg_set_bit_mask(struct pcf50606 *pcf, u8 reg, u8 mask, u8 val)
+{
+	int ret;
+	u8 tmp;
+
+	val &= mask;
+
+	mutex_lock(&pcf->lock);
+	ret = __pcf50606_read(pcf, reg, 1, &tmp);
+	if (ret < 0)
+		goto out;
+
+	tmp &= ~mask;
+	tmp |= val;
+	ret = __pcf50606_write(pcf, reg, 1, &tmp);
+
+out:
+	mutex_unlock(&pcf->lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(pcf50606_reg_set_bit_mask);
+
+int pcf50606_reg_clear_bits(struct pcf50606 *pcf, u8 reg, u8 val)
+{
+	int ret;
+	u8 tmp;
+
+	mutex_lock(&pcf->lock);
+	ret = __pcf50606_read(pcf, reg, 1, &tmp);
+	if (ret < 0)
+		goto out;
+
+	tmp &= ~val;
+	ret = __pcf50606_write(pcf, reg, 1, &tmp);
+
+out:
+	mutex_unlock(&pcf->lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(pcf50606_reg_clear_bits);
+
+/* sysfs attributes */
+static ssize_t show_dump_regs(struct device *dev, struct device_attribute *attr,
+			    char *buf)
+{
+	struct pcf50606 *pcf = dev_get_drvdata(dev);
+	u8 dump[16];
+	int n, n1, idx = 0;
+	char *buf1 = buf;
+	static u8 address_no_read[] = { /* must be ascending */
+		PCF50606_REG_INT1,
+		PCF50606_REG_INT2,
+		PCF50606_REG_INT3,
+		0 /* terminator */
+	};
+
+	for (n = 0; n < 256; n += sizeof(dump)) {
+		for (n1 = 0; n1 < sizeof(dump); n1++)
+			if (n == address_no_read[idx]) {
+				idx++;
+				dump[n1] = 0x00;
+			} else
+				dump[n1] = pcf50606_reg_read(pcf, n + n1);
+
+		hex_dump_to_buffer(dump, sizeof(dump), 16, 1, buf1, 128, 0);
+		buf1 += strlen(buf1);
+		*buf1++ = '\n';
+		*buf1 = '\0';
+	}
+
+	return buf1 - buf;
+}
+static DEVICE_ATTR(dump_regs, 0400, show_dump_regs, NULL);
+
+static ssize_t show_resume_reason(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct pcf50606 *pcf = dev_get_drvdata(dev);
+	int n;
+
+	n = sprintf(buf, "%02x%02x%02x\n",
+				pcf->resume_reason[0],
+				pcf->resume_reason[1],
+				pcf->resume_reason[2]);
+
+	return n;
+}
+static DEVICE_ATTR(resume_reason, 0400, show_resume_reason, NULL);
+
+static struct attribute *pcf_sysfs_entries[] = {
+	&dev_attr_dump_regs.attr,
+	&dev_attr_resume_reason.attr,
+	NULL,
+};
+
+static struct attribute_group pcf_attr_group = {
+	.name	= NULL,			/* put in device directory */
+	.attrs	= pcf_sysfs_entries,
+};
+
+int pcf50606_register_irq(struct pcf50606 *pcf, int irq,
+			void (*handler) (int, void *), void *data)
+{
+	if (irq < 0 || irq > PCF50606_NUM_IRQ || !handler)
+		return -EINVAL;
+
+	if (WARN_ON(pcf->irq_handler[irq].handler))
+		return -EBUSY;
+
+	mutex_lock(&pcf->lock);
+	pcf->irq_handler[irq].handler = handler;
+	pcf->irq_handler[irq].data = data;
+	mutex_unlock(&pcf->lock);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(pcf50606_register_irq);
+
+int pcf50606_free_irq(struct pcf50606 *pcf, int irq)
+{
+	if (irq < 0 || irq > PCF50606_NUM_IRQ)
+		return -EINVAL;
+
+	mutex_lock(&pcf->lock);
+	pcf->irq_handler[irq].handler = NULL;
+	mutex_unlock(&pcf->lock);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(pcf50606_free_irq);
+
+static int __pcf50606_irq_mask_set(struct pcf50606 *pcf, int irq, u8 mask)
+{
+	u8 reg, bits, tmp;
+	int ret = 0, idx;
+
+	idx = irq >> 3;
+	reg =  PCF50606_REG_INT1M + idx;
+	bits = 1 << (irq & 0x07);
+
+	mutex_lock(&pcf->lock);
+
+	if (mask) {
+		ret = __pcf50606_read(pcf, reg, 1, &tmp);
+		if (ret < 0)
+			goto out;
+
+		tmp |= bits;
+
+		ret = __pcf50606_write(pcf, reg, 1, &tmp);
+		if (ret < 0)
+			goto out;
+
+		pcf->mask_regs[idx] &= ~bits;
+		pcf->mask_regs[idx] |= bits;
+	} else {
+		ret = __pcf50606_read(pcf, reg, 1, &tmp);
+		if (ret < 0)
+			goto out;
+
+		tmp &= ~bits;
+
+		ret = __pcf50606_write(pcf, reg, 1, &tmp);
+		if (ret < 0)
+			goto out;
+
+		pcf->mask_regs[idx] &= ~bits;
+	}
+out:
+	mutex_unlock(&pcf->lock);
+
+	return ret;
+}
+
+int pcf50606_irq_mask(struct pcf50606 *pcf, int irq)
+{
+	dev_dbg(pcf->dev, "Masking IRQ %d\n", irq);
+
+	return __pcf50606_irq_mask_set(pcf, irq, 1);
+}
+EXPORT_SYMBOL_GPL(pcf50606_irq_mask);
+
+int pcf50606_irq_unmask(struct pcf50606 *pcf, int irq)
+{
+	dev_dbg(pcf->dev, "Unmasking IRQ %d\n", irq);
+
+	return __pcf50606_irq_mask_set(pcf, irq, 0);
+}
+EXPORT_SYMBOL_GPL(pcf50606_irq_unmask);
+
+int pcf50606_irq_mask_get(struct pcf50606 *pcf, int irq)
+{
+	u8 reg, bits;
+
+	reg =  (irq / 8);
+	bits = (1 << (irq % 8));
+
+	return pcf->mask_regs[reg] & bits;
+}
+EXPORT_SYMBOL_GPL(pcf50606_irq_mask_get);
+
+static void pcf50606_irq_call_handler(struct pcf50606 *pcf,
+					int irq)
+{
+	if (pcf->irq_handler[irq].handler)
+		pcf->irq_handler[irq].handler(irq, pcf->irq_handler[irq].data);
+}
+
+#define PCF50606_ONKEY1S_TIMEOUT 	8
+
+#define PCF50606_REG_MBCS1		0x2c
+
+static void pcf50606_irq_worker(struct work_struct *work)
+{
+	struct pcf50606 *pcf;
+	int ret, i, j;
+	u8 pcf_int[3], chgstat;
+
+	pcf = container_of(work, struct pcf50606, irq_work);
+
+	/* Read the 3 INT regs in one transaction */
+	ret = pcf50606_read_block(pcf, PCF50606_REG_INT1,
+						ARRAY_SIZE(pcf_int), pcf_int);
+	if (ret != ARRAY_SIZE(pcf_int)) {
+		dev_err(pcf->dev, "Error reading INT registers\n");
+		
+		/*
+		 * If this doesn't ACK the interrupt to the chip, we'll be
+		 * called once again as we're level triggered.
+		 */
+		goto out;
+	}
+
+	/* We immediately read the charger status. We thus make sure
+	 * only of CHGINS/CHGRM interrupt handlers are called */
+	if (pcf_int[1] & (PCF50606_INT2_CHGINS | PCF50606_INT2_CHGRM)) {
+		chgstat = pcf50606_reg_read(pcf, PCF50606_REG_MBCS1);
+		if (chgstat & (0x1 << 4))
+			pcf_int[1] &= ~(1 << PCF50606_INT2_CHGRM);
+		else
+			pcf_int[1] &= ~(1 << PCF50606_INT2_CHGINS);
+	}
+	
+	dev_dbg(pcf->dev, "INT1=0x%02x INT2=0x%02x INT3=0x%02x\n",
+				pcf_int[0], pcf_int[1], pcf_int[2]);
+
+	/* Some revisions of the chip don't have a 8s standby mode on
+	 * ONKEY1S press. We try to manually do it in such cases. */
+	if (pcf_int[0] & PCF50606_INT1_SECOND && pcf->onkey1s_held) {
+		dev_info(pcf->dev, "ONKEY1S held for %d secs\n",
+							pcf->onkey1s_held);
+		if (pcf->onkey1s_held++ == PCF50606_ONKEY1S_TIMEOUT)
+			if (pcf->pdata->force_shutdown)
+				pcf->pdata->force_shutdown(pcf);
+	}
+
+	if (pcf_int[0] & PCF50606_INT1_ONKEY1S) {
+		dev_info(pcf->dev, "ONKEY1S held\n");
+		pcf->onkey1s_held = 1 ;
+
+		/* Unmask IRQ_SECOND */
+		pcf50606_reg_clear_bits(pcf, PCF50606_REG_INT1M,
+						PCF50606_INT1_SECOND);
+
+		/* Unmask IRQ_ONKEYF */
+		pcf50606_reg_clear_bits(pcf, PCF50606_REG_INT1M,
+						PCF50606_INT1_ONKEYF);
+	}
+
+	if ((pcf_int[0] & PCF50606_INT1_ONKEYR) && pcf->onkey1s_held) {
+		pcf->onkey1s_held = 0;
+
+		/* Mask SECOND and ONKEYF interrupts */
+		if (pcf->mask_regs[0] & PCF50606_INT1_SECOND)
+			pcf50606_reg_set_bit_mask(pcf,
+					PCF50606_REG_INT1M,
+					PCF50606_INT1_SECOND,
+					PCF50606_INT1_SECOND);
+
+		if (pcf->mask_regs[0] & PCF50606_INT1_ONKEYF)
+			pcf50606_reg_set_bit_mask(pcf,
+					PCF50606_REG_INT1M,
+					PCF50606_INT1_ONKEYF,
+					PCF50606_INT1_ONKEYF);
+	}
+
+	/* Have we just resumed ? */
+	if (pcf->is_suspended) {
+
+		pcf->is_suspended = 0;
+
+		/* Set the resume reason filtering out non resumers */
+		for (i = 0; i < ARRAY_SIZE(pcf_int); i++)
+			pcf->resume_reason[i] = pcf_int[i] &
+						pcf->pdata->resumers[i];
+
+		/* Make sure we don't pass on ONKEY events to
+		 * userspace now */
+		pcf_int[1] &= ~(PCF50606_INT1_ONKEYR | PCF50606_INT1_ONKEYF);
+	}
+
+	for (i = 0; i < ARRAY_SIZE(pcf_int); i++) {
+		/* Unset masked interrupts */
+		pcf_int[i] &= ~pcf->mask_regs[i];
+
+		for (j = 0; j < 8 ; j++)
+			if (pcf_int[i] & (1 << j))
+				pcf50606_irq_call_handler(pcf, (i * 8) + j);
+	}
+
+out:
+	put_device(pcf->dev);
+	enable_irq(pcf->irq);
+}
+
+static irqreturn_t pcf50606_irq(int irq, void *data)
+{
+	struct pcf50606 *pcf = data;
+
+	get_device(pcf->dev);
+	disable_irq(pcf->irq);
+	schedule_work(&pcf->irq_work);
+
+	return IRQ_HANDLED;
+}
+
+static void
+pcf50606_client_dev_register(struct pcf50606 *pcf, const char *name,
+						struct platform_device **pdev)
+{
+	struct pcf50606_subdev_pdata subdev_pdata;
+	int ret;
+
+	*pdev = platform_device_alloc(name, -1);
+	if (!*pdev) {
+		dev_err(pcf->dev, "Falied to allocate %s\n", name);
+		return;
+	}
+
+	subdev_pdata.pcf = pcf;
+	platform_device_add_data(*pdev, &subdev_pdata, sizeof(subdev_pdata));
+
+	(*pdev)->dev.parent = pcf->dev;
+
+	ret = platform_device_add(*pdev);
+	if (ret) {
+		dev_err(pcf->dev, "Failed to register %s: %d\n", name, ret);
+		platform_device_put(*pdev);
+		*pdev = NULL;
+	}
+}
+
+#ifdef CONFIG_PM
+static int pcf50606_suspend(struct device *dev, pm_message_t state)
+{
+	struct pcf50606 *pcf;
+	int ret, i;
+	u8 res[3];
+
+	pcf = dev_get_drvdata(dev);
+
+	/* Make sure our interrupt handlers are not called
+	 * henceforth */
+	disable_irq(pcf->irq);
+
+	/* Make sure that any running IRQ worker has quit */
+	cancel_work_sync(&pcf->irq_work);
+
+	/* Save the masks */
+	ret = pcf50606_read_block(pcf, PCF50606_REG_INT1M,
+				ARRAY_SIZE(pcf->suspend_irq_masks),
+						pcf->suspend_irq_masks);
+	if (ret < 0) {
+		dev_err(pcf->dev, "error saving irq masks\n");
+		goto out;
+	}
+	
+	/* Write wakeup irq masks */
+	for (i = 0; i < ARRAY_SIZE(res); i++)
+		res[i] = ~pcf->pdata->resumers[i];
+
+	ret = pcf50606_write_block(pcf, PCF50606_REG_INT1M,
+					ARRAY_SIZE(res), &res[0]);
+	if (ret < 0) {
+		dev_err(pcf->dev, "error writing wakeup irq masks\n");
+		goto out;
+	}
+
+	pcf->is_suspended = 1;
+
+out:
+	return ret;
+}
+
+static int pcf50606_resume(struct device *dev)
+{
+	struct pcf50606 *pcf;
+	int ret;
+
+	pcf = dev_get_drvdata(dev);
+
+	/* Write the saved mask registers */
+	ret = pcf50606_write_block(pcf, PCF50606_REG_INT1M,
+				ARRAY_SIZE(pcf->suspend_irq_masks),
+					pcf->suspend_irq_masks);
+	if (ret < 0)
+		dev_err(pcf->dev, "Error restoring saved suspend masks\n");
+
+	get_device(pcf->dev);
+
+	/*
+	 * Clear any pending interrupts and set resume reason if any.
+	 * This will leave with enable_irq()
+	 */
+	pcf50606_irq_worker(&pcf->irq_work);
+
+	return 0;
+}
+#else
+#define pcf50606_suspend NULL
+#define pcf50606_resume NULL
+#endif
+
+static int pcf50606_probe(struct i2c_client *client,
+				const struct i2c_device_id *ids)
+{
+	struct pcf50606 *pcf;
+	struct pcf50606_platform_data *pdata = client->dev.platform_data;
+	int i, ret = 0;
+	int version, variant;
+
+	pcf = kzalloc(sizeof(*pcf), GFP_KERNEL);
+	if (!pcf)
+		return -ENOMEM;
+
+	pcf->pdata = pdata;
+
+	mutex_init(&pcf->lock);
+
+	i2c_set_clientdata(client, pcf);
+	pcf->dev = &client->dev;
+	pcf->i2c_client = client;
+	pcf->irq = client->irq;
+
+	INIT_WORK(&pcf->irq_work, pcf50606_irq_worker);
+
+	version = pcf50606_reg_read(pcf, 0);
+	variant = pcf50606_reg_read(pcf, 1);
+	if (version < 0 || variant < 0) {
+		dev_err(pcf->dev, "Unable to probe pcf50606\n");
+		ret = -ENODEV;
+		goto err;
+	}
+
+	dev_info(pcf->dev, "Probed device version %d variant %d\n",
+							version, variant);
+	/* Enable all inteerupts except RTC SECOND */
+	pcf->mask_regs[0] = 0x40;
+	pcf50606_reg_write(pcf, PCF50606_REG_INT1M, pcf->mask_regs[0]);
+	pcf50606_reg_write(pcf, PCF50606_REG_INT2M, 0x00);
+	pcf50606_reg_write(pcf, PCF50606_REG_INT3M, 0x00);
+
+	pcf50606_client_dev_register(pcf, "pcf50606-input",
+						&pcf->input_pdev);
+	pcf50606_client_dev_register(pcf, "pcf50606-rtc",
+						&pcf->rtc_pdev);
+	pcf50606_client_dev_register(pcf, "pcf50606-mbc",
+						&pcf->mbc_pdev);
+	pcf50606_client_dev_register(pcf, "pcf50606-adc",
+						&pcf->adc_pdev);
+	pcf50606_client_dev_register(pcf, "pcf50606-wdt",
+						&pcf->wdt_pdev);
+	for (i = 0; i < PCF50606_NUM_REGULATORS; i++) {
+		struct platform_device *pdev;
+
+		pdev = platform_device_alloc("pcf50606-regltr", i);
+		if (!pdev) {
+			dev_err(pcf->dev, "Cannot create regulator\n");
+			continue;
+		}
+	
+		pdev->dev.parent = pcf->dev;
+		pdev->dev.platform_data = &pdata->reg_init_data[i];
+		pdev->dev.driver_data = pcf;
+		pcf->regulator_pdev[i] = pdev;
+
+		platform_device_add(pdev);
+	}
+
+	if (client->irq) {
+		set_irq_handler(client->irq, handle_level_irq);
+		ret = request_irq(client->irq, pcf50606_irq,
+				IRQF_TRIGGER_LOW, "pcf50606", pcf);
+
+		if (ret) {
+			dev_err(pcf->dev, "Failed to request IRQ %d\n", ret);
+			goto err;
+		}
+	} else {
+		dev_err(pcf->dev, "No IRQ configured\n");
+		goto err;
+	}
+
+	if (enable_irq_wake(client->irq) < 0)
+		dev_err(pcf->dev, "IRQ %u cannot be enabled as wake-up source"
+			"in this hardware revision", client->irq);
+
+	ret = sysfs_create_group(&client->dev.kobj, &pcf_attr_group);
+	if (ret)
+		dev_err(pcf->dev, "error creating sysfs entries\n");
+
+	if (pdata->probe_done)
+		pdata->probe_done(pcf);
+
+	return 0;
+
+err:
+	kfree(pcf);
+	return ret;
+}
+
+static int pcf50606_remove(struct i2c_client *client)
+{
+	struct pcf50606 *pcf = i2c_get_clientdata(client);
+	int i;
+
+	free_irq(pcf->irq, pcf);
+
+	platform_device_unregister(pcf->input_pdev);
+	platform_device_unregister(pcf->rtc_pdev);
+	platform_device_unregister(pcf->mbc_pdev);
+	platform_device_unregister(pcf->adc_pdev);
+
+	for (i = 0; i < PCF50606_NUM_REGULATORS; i++)
+		platform_device_unregister(pcf->regulator_pdev[i]);
+
+	kfree(pcf);
+
+	return 0;
+}
+
+static struct i2c_device_id pcf50606_id_table[] = {
+	{"pcf50606", 0x08},
+};
+
+static struct i2c_driver pcf50606_driver = {
+	.driver = {
+		.name	= "pcf50606",
+		.suspend = pcf50606_suspend,
+		.resume	= pcf50606_resume,
+	},
+	.id_table = pcf50606_id_table,
+	.probe = pcf50606_probe,
+	.remove = pcf50606_remove,
+};
+
+static int __init pcf50606_init(void)
+{
+	return i2c_add_driver(&pcf50606_driver);
+}
+
+static void pcf50606_exit(void)
+{
+	i2c_del_driver(&pcf50606_driver);
+}
+
+MODULE_DESCRIPTION("I2C chip driver for NXP PCF50606 PMU");
+MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
+MODULE_LICENSE("GPL");
+
+module_init(pcf50606_init);
+module_exit(pcf50606_exit);
diff --git a/drivers/mfd/pcf50606-gpo.c b/drivers/mfd/pcf50606-gpo.c
new file mode 100644
index 00000000000..3510f8b48e9
--- /dev/null
+++ b/drivers/mfd/pcf50606-gpo.c
@@ -0,0 +1,119 @@
+/* Philips PCF50606 GPO Driver
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * Author: Balaji Rao <balajirrao@openmoko.org>
+ * All rights reserved.
+ *
+ * Broken down from monstrous PCF50606 driver mainly by
+ * Harald Welte, Andy Green Werner Almesberger and Matt Hsu
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+
+#include <linux/mfd/pcf50606/core.h>
+#include <linux/mfd/pcf50606/gpo.h>
+
+void pcf50606_gpo_set_active(struct pcf50606 *pcf, int gpo, int val)
+{
+	u8 reg, value, mask;
+
+	reg = gpo;
+	value = val;
+	mask = 0x07;
+
+	if (gpo == PCF50606_GPO2) {
+		value = val << 4;
+		mask = 0x07 << 4;
+	}
+	pcf50606_reg_set_bit_mask(pcf, reg, mask, value);
+}
+EXPORT_SYMBOL_GPL(pcf50606_gpo_set_active);
+
+int pcf50606_gpo_get_active(struct pcf50606 *pcf, int gpo)
+{
+	u8 reg, value, shift = 0;
+
+	reg = gpo;
+	if (gpo == PCF50606_GPO2)
+		shift = 4;
+	
+	value = pcf50606_reg_read(pcf, reg);
+
+	return (value >> shift) & 0x07;
+}
+EXPORT_SYMBOL_GPL(pcf50606_gpo_get_active);
+
+void pcf50606_gpo_set_standby(struct pcf50606 *pcf, int gpo, int val)
+{
+	u8 reg;
+
+	if (gpo == PCF50606_GPO1 || gpo == PCF50606_GPO2) {
+		dev_err(pcf->dev, "Can't set standby settings for GPO[12]n");
+		return;
+	}
+
+	reg = gpo;
+
+	pcf50606_reg_set_bit_mask(pcf, gpo, 0x07 << 3, val);
+}
+EXPORT_SYMBOL_GPL(pcf50606_gpo_set_standby);
+
+int pcf50606_gpo_get_standby(struct pcf50606 *pcf, int gpo)
+{
+	u8 reg, value;
+
+	if (gpo == PCF50606_GPO1 || gpo == PCF50606_GPO2) {
+		dev_err(pcf->dev, "Can't get standby settings for GPO[12]n");
+		return -EINVAL;
+	}
+
+	reg = gpo;
+	value = pcf50606_reg_read(pcf, reg);
+
+	return (value >> 3) & 0x07;
+}
+EXPORT_SYMBOL_GPL(pcf50606_gpo_get_standby);
+
+void pcf50606_gpo_invert_set(struct pcf50606 *pcf, int gpo, int invert)
+{
+	u8 reg, value, mask;
+
+	reg = gpo;
+	value = !!invert << 6;
+	mask = 0x01 << 6;
+
+	if (gpo == PCF50606_GPO1) {
+		mask = 0x01 << 4;
+		value = !!invert << 4;
+	}
+	else if (gpo == PCF50606_GPO2) {
+		mask = 0x01 << 7;
+		value = !!invert << 7;
+	}
+
+	pcf50606_reg_set_bit_mask(pcf, reg, mask, value);
+}
+EXPORT_SYMBOL_GPL(pcf50606_gpo_invert_set);
+
+int pcf50606_gpo_invert_get(struct pcf50606 *pcf, int gpo)
+{
+	u8 reg, value, shift;
+
+	reg = gpo;
+	shift = 6;
+
+	if (gpo == PCF50606_GPO1)
+		shift = 4;
+	else if (gpo == PCF50606_GPO2)
+		shift = 7;
+
+	value =  pcf50606_reg_read(pcf, reg);
+
+	return (value >> shift) & 0x01;
+}
+EXPORT_SYMBOL_GPL(pcf50606_gpo_invert_get);
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index bdbc4f73fcd..60a0813936d 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -103,4 +103,10 @@ config CHARGER_PCF50633
 	help
 	 Say Y to include support for NXP PCF50633 Main Battery Charger.
 
+config CHARGER_PCF50606
+	tristate "Support for NXP PCF50606 MBC"
+	depends on MFD_PCF50606
+	help
+	 Say Y to include support for NXP PCF50606 Battery Charger.
+
 endif # POWER_SUPPLY
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index 380d17c9ae2..5e992240d61 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -28,3 +28,4 @@ obj-$(CONFIG_BATTERY_BQ27x00)	+= bq27x00_battery.o
 obj-$(CONFIG_BATTERY_DA9030)	+= da9030_battery.o
 obj-$(CONFIG_BATTERY_MAX17040)	+= max17040_battery.o
 obj-$(CONFIG_CHARGER_PCF50633)	+= pcf50633-charger.o
+obj-$(CONFIG_CHARGER_PCF50606)	+= pcf50606-charger.o
diff --git a/drivers/power/pcf50606-charger.c b/drivers/power/pcf50606-charger.c
new file mode 100644
index 00000000000..a566fe3ed56
--- /dev/null
+++ b/drivers/power/pcf50606-charger.c
@@ -0,0 +1,244 @@
+/* NXP PCF50606 Main Battery Charger Driver
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * Author: Balaji Rao <balajirrao@openmoko.org>
+ * All rights reserved.
+ *
+ * Broken down from monstrous PCF50606 driver mainly by
+ * Harald Welte, Andy Green and Werner Almesberger
+ *
+ *  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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/device.h>
+#include <linux/sysfs.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+
+#include <linux/mfd/pcf50606/core.h>
+#include <linux/mfd/pcf50606/mbc.h>
+
+struct pcf50606_mbc {
+	struct pcf50606 *pcf;
+
+	int charger_online;
+	struct power_supply charger;
+};
+
+void pcf50606_charge_fast(struct pcf50606 *pcf, int on)
+{
+	struct pcf50606_mbc *mbc = platform_get_drvdata(pcf->mbc_pdev);
+
+	/*
+	 * This is a fix to work around boot-time ordering problems if
+	 * the s3c2410_udc is initialized before the pcf50606 mbc is
+	 * ready.
+	 */
+	if (!mbc)
+		return;
+
+	if (on) {
+		pcf50606_reg_set_bit_mask(pcf, PCF50606_REG_MBCC1,
+				 PCF50606_MBCC1_AUTOFST,
+				 PCF50606_MBCC1_AUTOFST);\
+			mbc->charger_online = 1;
+	} else {
+		/* disable automatic fast-charge */
+		pcf50606_reg_clear_bits(pcf, PCF50606_REG_MBCC1,
+					PCF50606_MBCC1_AUTOFST);
+		/* switch to idle mode to abort existing charge process */
+		pcf50606_reg_set_bit_mask(pcf, PCF50606_REG_MBCC1,
+				PCF50606_MBCC1_CHGMOD_MASK,
+				PCF50606_MBCC1_CHGMOD_IDLE);
+			mbc->charger_online = 0;
+	}
+}
+EXPORT_SYMBOL_GPL(pcf50606_charge_fast);
+
+static ssize_t
+show_chgmode(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct pcf50606_mbc *mbc = dev_get_drvdata(dev);
+
+	u8 mbcc1 = pcf50606_reg_read(mbc->pcf, PCF50606_REG_MBCC1);
+	u8 chgmod = (mbcc1 & PCF50606_MBCC1_CHGMOD_MASK);
+
+	return sprintf(buf, "%d\n", chgmod);
+}
+
+static ssize_t set_chgmode(struct device *dev, struct device_attribute *attr,
+			   const char *buf, size_t count)
+{
+	struct pcf50606_mbc *mbc = dev_get_drvdata(dev);
+	u_int8_t mbcc1 = pcf50606_reg_read(mbc->pcf, PCF50606_REG_MBCC1);
+
+	mbcc1 &= ~PCF50606_MBCC1_CHGMOD_MASK;
+
+	if (!strcmp(buf, "qualification"))
+		mbcc1 |= PCF50606_MBCC1_CHGMOD_QUAL;
+	else if (!strcmp(buf, "pre"))
+		mbcc1 |= PCF50606_MBCC1_CHGMOD_PRE;
+	else if (!strcmp(buf, "trickle"))
+		mbcc1 |= PCF50606_MBCC1_CHGMOD_TRICKLE;
+	else if (!strcmp(buf, "fast_cccv"))
+		mbcc1 |= PCF50606_MBCC1_CHGMOD_FAST_CCCV;
+	/* We don't allow the other fast modes for security reasons */
+	else if (!strcmp(buf, "idle"))
+		mbcc1 |= PCF50606_MBCC1_CHGMOD_IDLE;
+	else
+		return -EINVAL;
+
+	pcf50606_reg_write(mbc->pcf, PCF50606_REG_MBCC1, mbcc1);
+
+	return count;
+}
+
+static DEVICE_ATTR(chgmode, S_IRUGO, show_chgmode, set_chgmode);
+
+
+static struct attribute *pcf50606_mbc_sysfs_entries[] = {
+	&dev_attr_chgmode.attr,
+	NULL,
+};
+
+static struct attribute_group mbc_attr_group = {
+	.name	= NULL,			/* put in device directory */
+	.attrs	= pcf50606_mbc_sysfs_entries,
+};
+
+static void
+pcf50606_mbc_irq_handler(int irq, void *data)
+{
+	struct pcf50606_mbc *mbc = data;
+
+	power_supply_changed(&mbc->charger);
+
+	if (mbc->pcf->pdata->mbc_event_callback)
+		mbc->pcf->pdata->mbc_event_callback(mbc->pcf, irq);
+}
+
+static int charger_get_property(struct power_supply *psy,
+			enum power_supply_property psp,
+			union power_supply_propval *val)
+{
+	struct pcf50606_mbc *mbc = container_of(psy, struct pcf50606_mbc, charger);
+	int ret = 0;
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_ONLINE:
+		val->intval =  mbc->charger_online;
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	return ret;
+}
+
+static enum power_supply_property power_props[] = {
+	POWER_SUPPLY_PROP_ONLINE,
+};
+
+static const u8 mbc_irq_handlers[] = {
+	PCF50606_IRQ_CHGINS,
+	PCF50606_IRQ_CHGRM,
+	PCF50606_IRQ_CHGFOK,
+	PCF50606_IRQ_CHGERR,
+	PCF50606_IRQ_CHGFRDY,
+	PCF50606_IRQ_CHGPROT,
+};
+
+static int __devinit pcf50606_mbc_probe(struct platform_device *pdev)
+{
+	struct pcf50606_mbc *mbc;
+	struct pcf50606_subdev_pdata *pdata = pdev->dev.platform_data;
+	int ret;
+	int i;
+	u8 oocs;
+
+	mbc = kzalloc(sizeof(*mbc), GFP_KERNEL);
+	if (!mbc)
+		return -ENOMEM;
+
+	platform_set_drvdata(pdev, mbc);
+	mbc->pcf = pdata->pcf;
+
+	/* Set up IRQ handlers */
+	for (i = 0; i < ARRAY_SIZE(mbc_irq_handlers); i++)
+		pcf50606_register_irq(mbc->pcf, mbc_irq_handlers[i],
+					pcf50606_mbc_irq_handler, mbc);
+
+	mbc->charger.name		= "charger";
+	mbc->charger.type		= POWER_SUPPLY_TYPE_MAINS;
+	mbc->charger.properties		= power_props;
+	mbc->charger.num_properties	= ARRAY_SIZE(power_props);
+	mbc->charger.get_property	= &charger_get_property;
+	mbc->charger.supplied_to	= mbc->pcf->pdata->batteries;
+	mbc->charger.num_supplicants	= mbc->pcf->pdata->num_batteries;
+
+	ret = power_supply_register(&pdev->dev, &mbc->charger);
+	if (ret) {
+		dev_err(mbc->pcf->dev, "failed to register charger\n");
+		kfree(mbc);
+		return ret;
+	}
+
+	ret = sysfs_create_group(&pdev->dev.kobj, &mbc_attr_group);
+	if (ret)
+		dev_err(mbc->pcf->dev, "failed to create sysfs entries\n");
+
+	oocs = pcf50606_reg_read(mbc->pcf, PCF50606_REG_OOCS);
+	if (oocs & PCF50606_OOCS_CHGOK)
+		pcf50606_mbc_irq_handler(PCF50606_IRQ_CHGINS, mbc);
+
+	return 0;
+}
+
+static int __devexit pcf50606_mbc_remove(struct platform_device *pdev)
+{
+	struct pcf50606_mbc *mbc = platform_get_drvdata(pdev);
+	int i;
+
+	/* Remove IRQ handlers */
+	for (i = 0; i < ARRAY_SIZE(mbc_irq_handlers); i++)
+		pcf50606_free_irq(mbc->pcf, mbc_irq_handlers[i]);
+
+	power_supply_unregister(&mbc->charger);
+
+	kfree(mbc);
+
+	return 0;
+}
+
+static struct platform_driver pcf50606_mbc_driver = {
+	.driver = {
+		.name = "pcf50606-mbc",
+	},
+	.probe = pcf50606_mbc_probe,
+	.remove = __devexit_p(pcf50606_mbc_remove),
+};
+
+static int __init pcf50606_mbc_init(void)
+{
+	return platform_driver_register(&pcf50606_mbc_driver);
+}
+module_init(pcf50606_mbc_init);
+
+static void __exit pcf50606_mbc_exit(void)
+{
+	platform_driver_unregister(&pcf50606_mbc_driver);
+}
+module_exit(pcf50606_mbc_exit);
+
+MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
+MODULE_DESCRIPTION("PCF50606 mbc driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pcf50606-mbc");
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index f4317798e47..29f34a4de25 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -117,4 +117,10 @@ config REGULATOR_LP3971
 	 Say Y here to support the voltage regulators and convertors
 	 on National Semiconductors LP3971 PMIC
 
+config REGULATOR_PCF50606
+	bool "PCF50606 regulator driver"
+        depends on MFD_PCF50606
+	help
+	 Say Y here to support the voltage regulators and convertors
+	 on PCF50606
 endif
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 4d762c4cccf..ac5b42ae95c 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -16,5 +16,6 @@ obj-$(CONFIG_REGULATOR_WM8350) += wm8350-regulator.o
 obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o
 obj-$(CONFIG_REGULATOR_DA903X)	+= da903x.o
 obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o
+obj-$(CONFIG_REGULATOR_PCF50606) += pcf50606-regulator.o
 
 ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG
diff --git a/drivers/regulator/pcf50606-regulator.c b/drivers/regulator/pcf50606-regulator.c
new file mode 100644
index 00000000000..58d020ef93c
--- /dev/null
+++ b/drivers/regulator/pcf50606-regulator.c
@@ -0,0 +1,381 @@
+/* NXP PCF50606 PMIC Driver
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * Author: Balaji Rao <balajirrao@openmoko.org>
+ * All rights reserved.
+ *
+ * Broken down from monstrous PCF50606 driver mainly by
+ * Harald Welte and Andy Green and Werner Almesberger
+ *
+ *  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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+
+#include <linux/mfd/pcf50606/core.h>
+#include <linux/mfd/pcf50606/pmic.h>
+
+#define PCF50606_REGULATOR(_name, _id) 		\
+	{					\
+		.name = _name, 			\
+		.id = _id,			\
+		.ops = &pcf50606_regulator_ops,	\
+		.type = REGULATOR_VOLTAGE, 	\
+		.owner = THIS_MODULE, 		\
+	}
+
+static const u8 pcf50606_regulator_registers[PCF50606_NUM_REGULATORS] = {
+	[PCF50606_REGULATOR_DCD]	= PCF50606_REG_DCDC1,
+	[PCF50606_REGULATOR_DCDE]	= PCF50606_REG_DCDEC1,
+	[PCF50606_REGULATOR_DCUD]	= PCF50606_REG_DCUDC1,
+	[PCF50606_REGULATOR_D1REG]	= PCF50606_REG_D1REGC1,
+	[PCF50606_REGULATOR_D2REG]	= PCF50606_REG_D2REGC1,
+	[PCF50606_REGULATOR_D3REG]	= PCF50606_REG_D3REGC1,
+	[PCF50606_REGULATOR_LPREG]	= PCF50606_REG_LPREGC1,
+	[PCF50606_REGULATOR_IOREG]	= PCF50606_REG_IOREGC,
+};
+
+static u8 dcudc_voltage(unsigned int millivolts)
+{
+	if (millivolts < 900)
+		return 0;
+	if (millivolts > 5500)
+		return 0x1f;
+	if (millivolts <= 3300) {
+		millivolts -= 900;
+		return millivolts/300;
+	}
+	if (millivolts < 4000)
+		return 0x0f;
+	else {
+		millivolts -= 4000;
+		return millivolts/100;
+	}
+}
+
+static unsigned int dcudc_2voltage(u8 bits)
+{
+	bits &= 0x1f;
+	if (bits < 0x08)
+		return 900 + bits * 300;
+	else if (bits < 0x10)
+		return 3300;
+	else
+		return 4000 + bits * 100;
+}
+
+static u8 dcdec_voltage(unsigned int millivolts)
+{
+	if (millivolts < 900)
+		return 0;
+	else if (millivolts > 3300)
+		return 0x0f;
+
+	millivolts -= 900;
+	return millivolts/300;
+}
+
+static unsigned int dcdec_2voltage(u8 bits)
+{
+	bits &= 0x0f;
+	return 900 + bits*300;
+}
+
+static u8 dcdc_voltage(unsigned int millivolts)
+{
+	if (millivolts < 900)
+		return 0;
+	else if (millivolts > 3600)
+		return 0x1f;
+
+	if (millivolts < 1500) {
+		millivolts -= 900;
+		return millivolts/25;
+	} else {
+		millivolts -= 1500;
+		return 0x18 + millivolts/300;
+	}
+}
+
+static unsigned int dcdc_2voltage(u8 bits)
+{
+	bits &= 0x1f;
+	if ((bits & 0x18) == 0x18)
+		return 1500 + ((bits & 0x7) * 300);
+	else
+		return 900 + (bits * 25);
+}
+
+static u8 dx_voltage(unsigned int millivolts)
+{
+	if (millivolts < 900)
+		return 0;
+	else if (millivolts > 3300)
+		return 0x18;
+
+	millivolts -= 900;
+	return millivolts/100;
+}
+
+static unsigned int dx_2voltage(u8 bits)
+{
+	bits &= 0x1f;
+	return 900 + (bits * 100);
+}
+
+static int pcf50606_regulator_set_voltage(struct regulator_dev *rdev,
+						int min_uV, int max_uV)
+{
+	struct pcf50606 *pcf;
+	int regulator_id, millivolts, rc;
+	u8 volt_bits, regnr;
+
+	pcf = rdev_get_drvdata(rdev);
+
+	regulator_id = rdev_get_id(rdev);
+	if (regulator_id >= PCF50606_NUM_REGULATORS)
+		return -EINVAL;
+
+	millivolts = min_uV / 1000;
+
+	switch (regulator_id) {
+	case PCF50606_REGULATOR_DCD:
+		volt_bits = dcdc_voltage(millivolts);
+		rc = pcf50606_reg_set_bit_mask(pcf, PCF50606_REG_DCDC1, 0x1f,
+				      volt_bits);
+		break;
+	case PCF50606_REGULATOR_DCDE:
+		volt_bits = dcdec_voltage(millivolts);
+		rc = pcf50606_reg_set_bit_mask(pcf, PCF50606_REG_DCDEC1, 0x0f,
+				      volt_bits);
+		break;
+	case PCF50606_REGULATOR_DCUD:
+		volt_bits = dcudc_voltage(millivolts);
+		rc = pcf50606_reg_set_bit_mask(pcf, PCF50606_REG_DCUDC1, 0x1f,
+				      volt_bits);
+		break;
+	case PCF50606_REGULATOR_D1REG:
+	case PCF50606_REGULATOR_D2REG:
+	case PCF50606_REGULATOR_D3REG:
+		regnr = PCF50606_REG_D1REGC1 +
+		       		(regulator_id - PCF50606_REGULATOR_D1REG);
+		volt_bits = dx_voltage(millivolts);
+		rc = pcf50606_reg_set_bit_mask(pcf, regnr, 0x1f, volt_bits);
+		break;
+	case PCF50606_REGULATOR_LPREG:
+		volt_bits = dx_voltage(millivolts);
+		rc = pcf50606_reg_set_bit_mask(pcf, PCF50606_REG_LPREGC1, 0x1f,
+					      volt_bits);
+		break;
+	case PCF50606_REGULATOR_IOREG:
+		if (millivolts < 1800)
+			return -EINVAL;
+		volt_bits = dx_voltage(millivolts);
+		rc = pcf50606_reg_set_bit_mask(pcf, PCF50606_REG_IOREGC, 0x1f,
+					      volt_bits);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return rc;
+}
+
+static int pcf50606_regulator_get_voltage(struct regulator_dev *rdev)
+{
+	struct pcf50606 *pcf;
+	u8 volt_bits, regnr;
+	int rc = 0, regulator_id;
+
+
+	pcf = rdev_get_drvdata(rdev);
+
+	regulator_id = rdev_get_id(rdev);
+	if (regulator_id >= PCF50606_NUM_REGULATORS)
+		return -EINVAL;
+
+	switch (regulator_id) {
+	case PCF50606_REGULATOR_DCD:
+		volt_bits = pcf50606_reg_read(pcf, PCF50606_REG_DCDC1) & 0x1f;
+		rc = dcdc_2voltage(volt_bits);
+		break;
+	case PCF50606_REGULATOR_DCDE:
+		volt_bits = pcf50606_reg_read(pcf, PCF50606_REG_DCDEC1) & 0x0f;
+		rc = dcdec_2voltage(volt_bits);
+		break;
+	case PCF50606_REGULATOR_DCUD:
+		volt_bits = pcf50606_reg_read(pcf, PCF50606_REG_DCUDC1) & 0x1f;
+		rc = dcudc_2voltage(volt_bits);
+		break;
+	case PCF50606_REGULATOR_D1REG:
+	case PCF50606_REGULATOR_D2REG:
+	case PCF50606_REGULATOR_D3REG:
+		regnr = PCF50606_REG_D1REGC1 + (regulator_id - PCF50606_REGULATOR_D1REG);
+		volt_bits = pcf50606_reg_read(pcf, regnr) & 0x1f;
+		if (volt_bits > 0x18)
+			volt_bits = 0x18;
+		rc = dx_2voltage(volt_bits);
+		break;
+	case PCF50606_REGULATOR_LPREG:
+		volt_bits = pcf50606_reg_read(pcf, PCF50606_REG_LPREGC1) & 0x1f;
+		if (volt_bits > 0x18)
+			volt_bits = 0x18;
+		rc = dx_2voltage(volt_bits);
+		break;
+	case PCF50606_REGULATOR_IOREG:
+		volt_bits = pcf50606_reg_read(pcf, PCF50606_REG_IOREGC) & 0x1f;
+		if (volt_bits > 0x18)
+			volt_bits = 0x18;
+		rc = dx_2voltage(volt_bits);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return rc * 1000;
+
+}
+
+static int pcf50606_regulator_enable(struct regulator_dev *rdev)
+{
+	struct pcf50606 *pcf = rdev_get_drvdata(rdev);
+	int regulator_id;
+	u8 regnr;
+
+	regulator_id = rdev_get_id(rdev);
+	if (regulator_id >= PCF50606_NUM_REGULATORS)
+		return -EINVAL;
+	
+	regnr = pcf50606_regulator_registers[regulator_id];
+
+	return pcf50606_reg_set_bit_mask(pcf, regnr, 0xe0, 0xe0);
+}
+
+static int pcf50606_regulator_disable(struct regulator_dev *rdev)
+{
+	struct pcf50606 *pcf = rdev_get_drvdata(rdev);
+	int regulator_id;
+	u8 regnr;
+
+	regulator_id = rdev_get_id(rdev);
+	if (regulator_id >= PCF50606_NUM_REGULATORS)
+		return -EINVAL;
+
+	/* IOREG cannot be powered off since it powers the PMU I2C */
+	if (regulator_id == PCF50606_REGULATOR_IOREG)
+		return -EINVAL;
+	
+	regnr = pcf50606_regulator_registers[regulator_id];
+
+	return pcf50606_reg_set_bit_mask(pcf, regnr, 0xe0, 0);
+}
+
+static int pcf50606_regulator_is_enabled(struct regulator_dev *rdev)
+{
+	struct pcf50606 *pcf = rdev_get_drvdata(rdev);
+	int regulator_id = rdev_get_id(rdev);
+	u8 regnr, val;
+
+	regulator_id = rdev_get_id(rdev);
+	if (regulator_id >= PCF50606_NUM_REGULATORS)
+		return -EINVAL;
+
+	/* the *ENA register is always one after the *OUT register */
+	regnr = pcf50606_regulator_registers[regulator_id];
+	val = (pcf50606_reg_read(pcf, regnr) & 0xe0) >> 5;
+
+	/* PWREN1 = 1, PWREN2 = 1, see table 16 of datasheet */
+	if (val == 0 || val == 5)
+		return 0;
+
+	return 1;
+}
+
+static struct regulator_ops pcf50606_regulator_ops = {
+	.set_voltage = pcf50606_regulator_set_voltage,
+	.get_voltage = pcf50606_regulator_get_voltage,
+	.enable = pcf50606_regulator_enable,
+	.disable = pcf50606_regulator_disable,
+	.is_enabled = pcf50606_regulator_is_enabled,
+};
+
+static struct regulator_desc regulators[] = {
+	[PCF50606_REGULATOR_DCD] =
+		PCF50606_REGULATOR("dcd", PCF50606_REGULATOR_DCD),
+	[PCF50606_REGULATOR_DCDE] =
+		PCF50606_REGULATOR("dcde", PCF50606_REGULATOR_DCDE),
+	[PCF50606_REGULATOR_DCUD] =
+		PCF50606_REGULATOR("dcud", PCF50606_REGULATOR_DCUD),
+	[PCF50606_REGULATOR_D1REG] =
+		PCF50606_REGULATOR("d1reg", PCF50606_REGULATOR_D1REG),
+	[PCF50606_REGULATOR_D2REG] =
+		PCF50606_REGULATOR("d2reg", PCF50606_REGULATOR_D2REG),
+	[PCF50606_REGULATOR_D3REG] =
+		PCF50606_REGULATOR("d3reg", PCF50606_REGULATOR_D3REG),
+	[PCF50606_REGULATOR_LPREG] =
+		PCF50606_REGULATOR("lpreg", PCF50606_REGULATOR_LPREG),
+	[PCF50606_REGULATOR_IOREG] =
+		PCF50606_REGULATOR("ioreg", PCF50606_REGULATOR_IOREG),
+};
+
+static int __devinit pcf50606_regulator_probe(struct platform_device *pdev)
+{
+	struct regulator_dev *rdev;
+	struct pcf50606 *pcf;
+
+	/* Already set by core driver */
+	pcf = platform_get_drvdata(pdev);
+
+	rdev = regulator_register(&regulators[pdev->id], &pdev->dev,
+					pdev->dev.platform_data, pcf);
+	if (IS_ERR(rdev))
+		return PTR_ERR(rdev);
+
+	if (pcf->pdata->regulator_registered)
+		pcf->pdata->regulator_registered(pcf, pdev->id);
+
+	return 0;
+}
+
+static int __devexit pcf50606_regulator_remove(struct platform_device *pdev)
+{
+	struct regulator_dev *rdev = platform_get_drvdata(pdev);
+
+	regulator_unregister(rdev);
+
+	return 0;
+}
+
+static struct platform_driver pcf50606_regulator_driver = {
+	.driver = {
+		.name = "pcf50606-regltr",
+	},
+	.probe = pcf50606_regulator_probe,
+	.remove = __devexit_p(pcf50606_regulator_remove),
+};
+
+static int __init pcf50606_regulator_init(void)
+{
+	return platform_driver_register(&pcf50606_regulator_driver);
+}
+module_init(pcf50606_regulator_init);
+
+static void __exit pcf50606_regulator_exit(void)
+{
+	platform_driver_unregister(&pcf50606_regulator_driver);
+}
+module_exit(pcf50606_regulator_exit);
+
+MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
+MODULE_DESCRIPTION("PCF50606 regulator driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pcf50606-regulator");
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 81adbdbd504..7e0a1a4763e 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -535,6 +535,13 @@ config RTC_DRV_PCF50633
 	  If you say yes here you get support for the RTC subsystem of the
 	  NXP PCF50633 used in embedded systems.
 
+config RTC_DRV_PCF50606
+	depends on MFD_PCF50606
+	tristate "NXP PCF50606 RTC"
+	help
+	  If you say yes here you get support for the RTC subsystem of the
+	  NXP PCF50606 used in embedded systems.
+
 comment "on-CPU RTC drivers"
 
 config RTC_DRV_OMAP
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 3c0f2b2ac92..8082cbfcfa5 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -77,4 +77,5 @@ obj-$(CONFIG_RTC_DRV_VR41XX)	+= rtc-vr41xx.o
 obj-$(CONFIG_RTC_DRV_WM8350)	+= rtc-wm8350.o
 obj-$(CONFIG_RTC_DRV_X1205)	+= rtc-x1205.o
 obj-$(CONFIG_RTC_DRV_PCF50633)	+= rtc-pcf50633.o
+obj-$(CONFIG_RTC_DRV_PCF50606)	+= rtc-pcf50606.o
 obj-$(CONFIG_RTC_DRV_PS3)	+= rtc-ps3.o
diff --git a/drivers/rtc/rtc-pcf50606.c b/drivers/rtc/rtc-pcf50606.c
new file mode 100644
index 00000000000..6bd93b0b672
--- /dev/null
+++ b/drivers/rtc/rtc-pcf50606.c
@@ -0,0 +1,342 @@
+/* NXP PCF50606 RTC Driver
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * Author: Balaji Rao <balajirrao@openmoko.org>
+ * All rights reserved.
+ *
+ * Broken down from monstrous PCF50606 driver mainly by
+ * Harald Welte, Andy Green and Werner Almesberger
+ *
+ *  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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/rtc.h>
+#include <linux/bcd.h>
+#include <linux/err.h>
+
+#include <linux/mfd/pcf50606/core.h>
+
+#define PCF50606_REG_RTCSC	0x0a /* Second */
+#define PCF50606_REG_RTCMN	0x0b /* Minute */
+#define PCF50606_REG_RTCHR	0x0c /* Hour */
+#define PCF50606_REG_RTCWD	0x0d /* Weekday */
+#define PCF50606_REG_RTCDT	0x0e /* Day */
+#define PCF50606_REG_RTCMT	0x0f /* Month */
+#define PCF50606_REG_RTCYR	0x10 /* Year */
+#define PCF50606_REG_RTCSCA	0x11 /* Alarm Second */
+#define PCF50606_REG_RTCMNA	0x12 /* Alarm Minute */
+#define PCF50606_REG_RTCHRA	0x13 /* Alarm Hour */
+#define PCF50606_REG_RTCWDA	0x14 /* Alarm Weekday */
+#define PCF50606_REG_RTCDTA	0x15 /* Alarm Day */
+#define PCF50606_REG_RTCMTA	0x16 /* Alarm Month */
+#define PCF50606_REG_RTCYRA	0x17 /* Alarm Year */
+
+enum pcf50606_time_indexes {
+	PCF50606_TI_SEC,
+	PCF50606_TI_MIN,
+	PCF50606_TI_HOUR,
+	PCF50606_TI_WKDAY,
+	PCF50606_TI_DAY,
+	PCF50606_TI_MONTH,
+	PCF50606_TI_YEAR,
+	PCF50606_TI_EXTENT /* always last */
+};
+
+struct pcf50606_time {
+	u_int8_t time[PCF50606_TI_EXTENT];
+};
+
+struct pcf50606_rtc {
+	int alarm_enabled;
+	int second_enabled;
+	int alarm_pending;
+
+	struct pcf50606 *pcf;
+	struct rtc_device *rtc_dev;
+};
+
+static void pcf2rtc_time(struct rtc_time *rtc, struct pcf50606_time *pcf)
+{
+	rtc->tm_sec = bcd2bin(pcf->time[PCF50606_TI_SEC]);
+	rtc->tm_min = bcd2bin(pcf->time[PCF50606_TI_MIN]);
+	rtc->tm_hour = bcd2bin(pcf->time[PCF50606_TI_HOUR]);
+	rtc->tm_wday = bcd2bin(pcf->time[PCF50606_TI_WKDAY]);
+	rtc->tm_mday = bcd2bin(pcf->time[PCF50606_TI_DAY]);
+	rtc->tm_mon = bcd2bin(pcf->time[PCF50606_TI_MONTH]) - 1;
+	rtc->tm_year = bcd2bin(pcf->time[PCF50606_TI_YEAR]) + 100;
+}
+
+static void rtc2pcf_time(struct pcf50606_time *pcf, struct rtc_time *rtc)
+{
+	pcf->time[PCF50606_TI_SEC] = bin2bcd(rtc->tm_sec);
+	pcf->time[PCF50606_TI_MIN] = bin2bcd(rtc->tm_min);
+	pcf->time[PCF50606_TI_HOUR] = bin2bcd(rtc->tm_hour);
+	pcf->time[PCF50606_TI_WKDAY] = bin2bcd(rtc->tm_wday);
+	pcf->time[PCF50606_TI_DAY] = bin2bcd(rtc->tm_mday);
+	pcf->time[PCF50606_TI_MONTH] = bin2bcd(rtc->tm_mon + 1);
+	pcf->time[PCF50606_TI_YEAR] = bin2bcd(rtc->tm_year % 100);
+}
+
+static int
+pcf50606_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
+{
+	struct pcf50606_rtc *rtc = dev_get_drvdata(dev);
+
+	switch (cmd) {
+	case RTC_AIE_OFF:
+		rtc->alarm_enabled = 0;
+		pcf50606_irq_mask(rtc->pcf, PCF50606_IRQ_ALARM);
+		return 0;
+	case RTC_AIE_ON:
+		rtc->alarm_enabled = 1;
+		pcf50606_irq_unmask(rtc->pcf, PCF50606_IRQ_ALARM);
+		return 0;
+	case RTC_UIE_OFF:
+		rtc->second_enabled = 0;
+		pcf50606_irq_mask(rtc->pcf, PCF50606_IRQ_SECOND);
+		return 0;
+	case RTC_UIE_ON:
+		rtc->second_enabled = 1;
+		pcf50606_irq_unmask(rtc->pcf, PCF50606_IRQ_SECOND);
+		return 0;
+	}
+
+	return -ENOIOCTLCMD;
+}
+
+static int pcf50606_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+	struct pcf50606_rtc *rtc;
+	struct pcf50606_time pcf_tm;
+	int ret;
+
+	rtc = dev_get_drvdata(dev);
+
+	ret = pcf50606_read_block(rtc->pcf, PCF50606_REG_RTCSC,
+					    PCF50606_TI_EXTENT,
+					    &pcf_tm.time[0]);
+	if (ret != PCF50606_TI_EXTENT) {
+		dev_err(dev, "Failed to read time\n");
+		return -EIO;
+	}
+
+	dev_dbg(dev, "PCF_TIME: %02x.%02x.%02x %02x:%02x:%02x\n",
+		pcf_tm.time[PCF50606_TI_DAY],
+		pcf_tm.time[PCF50606_TI_MONTH],
+		pcf_tm.time[PCF50606_TI_YEAR],
+		pcf_tm.time[PCF50606_TI_HOUR],
+		pcf_tm.time[PCF50606_TI_MIN],
+		pcf_tm.time[PCF50606_TI_SEC]);
+
+	pcf2rtc_time(tm, &pcf_tm);
+
+	dev_dbg(dev, "RTC_TIME: %u.%u.%u %u:%u:%u\n",
+		tm->tm_mday, tm->tm_mon, tm->tm_year,
+		tm->tm_hour, tm->tm_min, tm->tm_sec);
+
+	return rtc_valid_tm(tm);
+}
+
+static int pcf50606_rtc_set_time(struct device *dev, struct rtc_time *tm)
+{
+	struct pcf50606_rtc *rtc;
+	struct pcf50606_time pcf_tm;
+	int second_masked, alarm_masked, ret = 0;
+
+	rtc = dev_get_drvdata(dev);
+
+	dev_dbg(dev, "RTC_TIME: %u.%u.%u %u:%u:%u\n",
+		tm->tm_mday, tm->tm_mon, tm->tm_year,
+		tm->tm_hour, tm->tm_min, tm->tm_sec);
+
+	rtc2pcf_time(&pcf_tm, tm);
+
+	dev_dbg(dev, "PCF_TIME: %02x.%02x.%02x %02x:%02x:%02x\n",
+		pcf_tm.time[PCF50606_TI_DAY],
+		pcf_tm.time[PCF50606_TI_MONTH],
+		pcf_tm.time[PCF50606_TI_YEAR],
+		pcf_tm.time[PCF50606_TI_HOUR],
+		pcf_tm.time[PCF50606_TI_MIN],
+		pcf_tm.time[PCF50606_TI_SEC]);
+
+
+	second_masked = pcf50606_irq_mask_get(rtc->pcf, PCF50606_IRQ_SECOND);
+	alarm_masked = pcf50606_irq_mask_get(rtc->pcf, PCF50606_IRQ_ALARM);
+
+	if (!second_masked)
+		pcf50606_irq_mask(rtc->pcf, PCF50606_IRQ_SECOND);
+	if (!alarm_masked)
+		pcf50606_irq_mask(rtc->pcf, PCF50606_IRQ_ALARM);
+
+	/* Returns 0 on success */
+	ret = pcf50606_write_block(rtc->pcf, PCF50606_REG_RTCSC,
+					     PCF50606_TI_EXTENT,
+					     &pcf_tm.time[0]);
+
+	if (!second_masked)
+		pcf50606_irq_unmask(rtc->pcf, PCF50606_IRQ_SECOND);
+	if (!alarm_masked)
+		pcf50606_irq_unmask(rtc->pcf, PCF50606_IRQ_ALARM);
+
+	return ret;
+}
+
+static int pcf50606_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct pcf50606_rtc *rtc;
+	struct pcf50606_time pcf_tm;
+	int ret = 0;
+
+	rtc = dev_get_drvdata(dev);
+
+	alrm->enabled = rtc->alarm_enabled;
+	alrm->pending = rtc->alarm_pending;
+
+	ret = pcf50606_read_block(rtc->pcf, PCF50606_REG_RTCSCA,
+				PCF50606_TI_EXTENT, &pcf_tm.time[0]);
+	if (ret != PCF50606_TI_EXTENT) {
+		dev_err(dev, "Failed to read time\n");
+		return -EIO;
+	}
+
+	pcf2rtc_time(&alrm->time, &pcf_tm);
+
+	return rtc_valid_tm(&alrm->time);
+}
+
+static int pcf50606_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct pcf50606_rtc *rtc;
+	struct pcf50606_time pcf_tm;
+	int alarm_masked, ret = 0;
+
+	rtc = dev_get_drvdata(dev);
+
+	rtc2pcf_time(&pcf_tm, &alrm->time);
+
+	/* do like mktime does and ignore tm_wday */
+	pcf_tm.time[PCF50606_TI_WKDAY] = 7;
+
+	alarm_masked = pcf50606_irq_mask_get(rtc->pcf, PCF50606_IRQ_ALARM);
+
+	/* disable alarm interrupt */
+	if (!alarm_masked)
+		pcf50606_irq_mask(rtc->pcf, PCF50606_IRQ_ALARM);
+
+	/* Returns 0 on success */
+	ret = pcf50606_write_block(rtc->pcf, PCF50606_REG_RTCSCA,
+				PCF50606_TI_EXTENT, &pcf_tm.time[0]);
+
+	if (!alrm->enabled)
+		rtc->alarm_pending = 0;
+
+	if (!alarm_masked || alrm->enabled)
+		pcf50606_irq_unmask(rtc->pcf, PCF50606_IRQ_ALARM);
+	rtc->alarm_enabled = alrm->enabled;
+
+	return ret;
+}
+
+static struct rtc_class_ops pcf50606_rtc_ops = {
+	.ioctl		= pcf50606_rtc_ioctl,
+	.read_time	= pcf50606_rtc_read_time,
+	.set_time	= pcf50606_rtc_set_time,
+	.read_alarm	= pcf50606_rtc_read_alarm,
+	.set_alarm	= pcf50606_rtc_set_alarm,
+};
+
+static void pcf50606_rtc_irq(int irq, void *data)
+{
+	struct pcf50606_rtc *rtc = data;
+
+	switch (irq) {
+	case PCF50606_IRQ_ALARM:
+		rtc_update_irq(rtc->rtc_dev, 1, RTC_AF | RTC_IRQF);
+		rtc->alarm_pending = 1;
+		break;
+	case PCF50606_IRQ_SECOND:
+		rtc_update_irq(rtc->rtc_dev, 1, RTC_UF | RTC_IRQF);
+		break;
+	}
+}
+
+static int __devinit pcf50606_rtc_probe(struct platform_device *pdev)
+{
+	struct pcf50606_subdev_pdata *pdata;
+	struct pcf50606_rtc *rtc;
+
+	
+	rtc = kzalloc(sizeof(*rtc), GFP_KERNEL);
+	if (!rtc)
+		return -ENOMEM;
+
+	pdata = pdev->dev.platform_data;
+	rtc->pcf = pdata->pcf;
+	platform_set_drvdata(pdev, rtc);
+	rtc->rtc_dev = rtc_device_register("pcf50606-rtc", &pdev->dev,
+				&pcf50606_rtc_ops, THIS_MODULE);
+
+	if (IS_ERR(rtc->rtc_dev)) {
+		kfree(rtc);
+		return PTR_ERR(rtc->rtc_dev);
+	}
+
+	pcf50606_register_irq(rtc->pcf, PCF50606_IRQ_ALARM,
+					pcf50606_rtc_irq, rtc);
+	pcf50606_register_irq(rtc->pcf, PCF50606_IRQ_SECOND,
+					pcf50606_rtc_irq, rtc);
+
+	return 0;
+}
+
+
+static int __devexit pcf50606_rtc_remove(struct platform_device *pdev)
+{
+	struct pcf50606_rtc *rtc;
+
+	rtc = platform_get_drvdata(pdev);
+	
+	pcf50606_free_irq(rtc->pcf, PCF50606_IRQ_ALARM);
+	pcf50606_free_irq(rtc->pcf, PCF50606_IRQ_SECOND);
+	
+	rtc_device_unregister(rtc->rtc_dev);
+
+	kfree(rtc);
+
+	return 0;
+}
+
+
+static struct platform_driver pcf50606_rtc_driver = {
+	.driver = {
+		.name = "pcf50606-rtc",
+	},
+	.probe = pcf50606_rtc_probe,
+	.remove = __devexit_p(pcf50606_rtc_remove),
+};
+
+static int __init pcf50606_rtc_init(void)
+{
+	return platform_driver_register(&pcf50606_rtc_driver);
+}
+module_init(pcf50606_rtc_init);
+
+static void __exit pcf50606_rtc_exit(void)
+{
+	platform_driver_unregister(&pcf50606_rtc_driver);
+}
+module_exit(pcf50606_rtc_exit);
+
+MODULE_DESCRIPTION("PCF50606 RTC driver");
+MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
+MODULE_LICENSE("GPL");
+
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index b1ccc04f3c9..618cc10acc6 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -154,6 +154,13 @@ config S3C2410_WATCHDOG
 	  The driver can be built as a module by choosing M, and will
 	  be called s3c2410_wdt
 
+config PCF50606_WATCHDOG
+	depends on MFD_PCF50606
+	tristate "Philips PCF50606 watchdog"
+	help
+	  If you say yes here you get support for the Philips PCF50606
+	  PMU's watchdog.
+
 config SA1100_WATCHDOG
 	tristate "SA1100/PXA2xx watchdog"
 	depends on ARCH_SA1100 || ARCH_PXA
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 3d774294a2b..638e1c1d743 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -35,6 +35,7 @@ obj-$(CONFIG_IXP2000_WATCHDOG) += ixp2000_wdt.o
 obj-$(CONFIG_IXP4XX_WATCHDOG) += ixp4xx_wdt.o
 obj-$(CONFIG_KS8695_WATCHDOG) += ks8695_wdt.o
 obj-$(CONFIG_S3C2410_WATCHDOG) += s3c2410_wdt.o
+obj-$(CONFIG_PCF50606_WATCHDOG) += pcf50606_wdt.o
 obj-$(CONFIG_SA1100_WATCHDOG) += sa1100_wdt.o
 obj-$(CONFIG_MPCORE_WATCHDOG) += mpcore_wdt.o
 obj-$(CONFIG_EP93XX_WATCHDOG) += ep93xx_wdt.o
diff --git a/drivers/watchdog/pcf50606_wdt.c b/drivers/watchdog/pcf50606_wdt.c
new file mode 100644
index 00000000000..f0858747bf9
--- /dev/null
+++ b/drivers/watchdog/pcf50606_wdt.c
@@ -0,0 +1,223 @@
+/* Philips PCF50606 Watchdog Timer Driver
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * Author: Balaji Rao <balajirrao@openmoko.org>
+ * All rights reserved.
+ *
+ * Broken down from monstrous PCF50606 driver mainly by
+ * Harald Welte, Matt Hsu, Andy Green and Werner Almesberger
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/rtc.h>
+#include <linux/bcd.h>
+#include <linux/err.h>
+#include <linux/miscdevice.h>
+#include <linux/watchdog.h>
+#include <linux/platform_device.h>
+
+#include <linux/mfd/pcf50606/core.h>
+
+static struct pcf50606 *pcf = NULL;
+static unsigned long wdt_status;
+
+#define WDT_IN_USE        0
+#define WDT_OK_TO_CLOSE   1
+#define WDT_REGION_INITED 2
+#define WDT_DEVICE_INITED 3
+
+static int allow_close;
+#define CLOSE_STATE_NOT		0x0000
+#define CLOSE_STATE_ALLOW	0x2342
+
+#define PCF50606_REG_OOCC1 	0x08
+#define PCF50606_REG_OOCS 	0x01
+
+#define PCF50606_OOCS_WDTEXP 	0x80
+#define PCF50606_OOCC1_WDTRST 	0x08
+
+static void pcf50606_wdt_start(void)
+{
+	pcf50606_reg_set_bit_mask(pcf, PCF50606_REG_OOCC1, PCF50606_OOCC1_WDTRST,
+			 PCF50606_OOCC1_WDTRST);
+}
+
+static void pcf50606_wdt_stop(void)
+{
+	pcf50606_reg_clear_bits(pcf, PCF50606_REG_OOCS, PCF50606_OOCS_WDTEXP);
+}
+
+static void pcf50606_wdt_keepalive(void)
+{
+	pcf50606_wdt_start();
+}
+
+static int pcf50606_wdt_open(struct inode *inode, struct file *file)
+{
+	if (test_and_set_bit(WDT_IN_USE, &wdt_status))
+		return -EBUSY;
+
+	pcf50606_wdt_start();
+
+	return nonseekable_open(inode, file);
+}
+
+static int pcf50606_wdt_release(struct inode *inode, struct file *file)
+{
+	if (allow_close == CLOSE_STATE_ALLOW)
+		pcf50606_wdt_stop();
+	else {
+		printk(KERN_CRIT "Unexpected close, not stopping watchdog!\n");
+		pcf50606_wdt_keepalive();
+	}
+
+	allow_close = CLOSE_STATE_NOT;
+	clear_bit(WDT_IN_USE, &wdt_status);
+
+	return 0;
+}
+
+static ssize_t pcf50606_wdt_write(struct file *file, const char __user *data,
+				  size_t len, loff_t *ppos)
+{
+	if (len) {
+		size_t i;
+
+		for (i = 0; i != len; i++) {
+			char c;
+			if (get_user(c, data + i))
+				return -EFAULT;
+			if (c == 'V')
+				allow_close = CLOSE_STATE_ALLOW;
+		}
+		pcf50606_wdt_keepalive();
+	}
+
+	return len;
+}
+
+static struct watchdog_info pcf50606_wdt_ident = {
+	.options	= WDIOF_MAGICCLOSE,
+	.firmware_version = 0,
+	.identity	= "PCF50606 Watchdog",
+};
+
+static int pcf50606_wdt_ioctl(struct inode *inode, struct file *file,
+			      unsigned int cmd, unsigned long arg)
+{
+	void __user *argp = (void __user *)arg;
+	int __user *p = argp;
+
+	switch (cmd) {
+	case WDIOC_GETSUPPORT:
+		return copy_to_user(argp, &pcf50606_wdt_ident,
+				    sizeof(pcf50606_wdt_ident)) ? -EFAULT : 0;
+		break;
+	case WDIOC_GETSTATUS:
+	case WDIOC_GETBOOTSTATUS:
+		return put_user(0, p);
+	case WDIOC_KEEPALIVE:
+		pcf50606_wdt_keepalive();
+		return 0;
+	case WDIOC_GETTIMEOUT:
+		return put_user(8, p);
+	default:
+		return -ENOIOCTLCMD;
+	}
+}
+
+static struct file_operations pcf50606_wdt_fops = {
+	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
+	.write		= &pcf50606_wdt_write,
+	.ioctl		= &pcf50606_wdt_ioctl,
+	.open		= &pcf50606_wdt_open,
+	.release	= &pcf50606_wdt_release,
+};
+
+static struct miscdevice pcf50606_wdt_miscdev = {
+	.minor		= WATCHDOG_MINOR,
+	.name		= "watchdog",
+	.fops		= &pcf50606_wdt_fops,
+};
+
+static void pcf50606_wdt_irq(int irq, void *unused)
+{
+	pcf50606_reg_set_bit_mask(pcf, PCF50606_REG_OOCC1,
+				 PCF50606_OOCC1_WDTRST,
+				 PCF50606_OOCC1_WDTRST);
+}
+
+int __init pcf50606_wdt_probe(struct platform_device *pdev)
+{
+	struct pcf50606_subdev_pdata *pdata;
+	int err;
+
+	if (pcf) {
+		dev_err(pcf->dev, "Only one instance of WDT supported\n");
+		return -ENODEV;
+	}
+
+	pdata = pdev->dev.platform_data;
+	if (!pdata) {
+		dev_err(&pdev->dev, "No platform data available\n");
+		return -EINVAL;
+	}
+
+	pcf = pdata->pcf;
+
+	err = misc_register(&pcf50606_wdt_miscdev);
+	if (err) {
+		dev_err(&pdev->dev, "cannot register miscdev on "
+		       "minor=%d (%d)\n", WATCHDOG_MINOR, err);
+		return err;
+	}
+	set_bit(WDT_DEVICE_INITED, &wdt_status);
+
+	pcf50606_register_irq(pcf, PCF50606_IRQ_CHGWD10S, pcf50606_wdt_irq, NULL);
+
+	return 0;
+}
+
+static int __devexit pcf50606_wdt_remove(struct platform_device *pdev)
+{
+	pcf50606_free_irq(pcf, PCF50606_IRQ_CHGWD10S);
+	misc_deregister(&pcf50606_wdt_miscdev);
+	pcf = NULL;
+
+	return 0;
+}
+
+struct platform_driver pcf50606_wdt_driver = {
+	.driver = {
+		.name = "pcf50606-wdt",
+	},
+	.probe = pcf50606_wdt_probe,
+	.remove = __devexit_p(pcf50606_wdt_remove),
+};
+
+static int __init pcf50606_wdt_init(void)
+{
+		return platform_driver_register(&pcf50606_wdt_driver);
+}
+module_init(pcf50606_wdt_init);
+
+static void __exit pcf50606_wdt_exit(void)
+{
+		platform_driver_unregister(&pcf50606_wdt_driver);
+}
+module_exit(pcf50606_wdt_exit);
+
+MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
+MODULE_DESCRIPTION("PCF50606 wdt driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pcf50606-wdt");
+
diff --git a/include/linux/mfd/pcf50606/adc.h b/include/linux/mfd/pcf50606/adc.h
new file mode 100644
index 00000000000..fd4840300dd
--- /dev/null
+++ b/include/linux/mfd/pcf50606/adc.h
@@ -0,0 +1,72 @@
+/*
+ * adc.h  -- Driver for NXP PCF50606 ADC
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * All rights reserved.
+ *
+ * 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.
+ */
+
+#ifndef __LINUX_MFD_PCF50606_ADC_H
+#define __LINUX_MFD_PCF50606_ADC_H
+
+#include <linux/mfd/pcf50633/core.h>
+#include <linux/platform_device.h>
+
+/* ADC Registers */
+#define PCF50606_REG_ADCC1 0x2e
+#define PCF50606_REG_ADCC2 0x2f
+#define PCF50606_REG_ADCS1 0x30
+#define PCF50606_REG_ADCS2 0x31
+#define PCF50606_REG_ADCS3 0x32
+
+#define PCF50606_ADCC1_TSCMODACT	 0x01
+#define PCF50606_ADCC1_TSCMODSTB	 0x02
+#define PCF50606_ADCC1_TRATSET		 0x04
+#define PCF50606_ADCC1_NTCSWAPE		 0x08
+#define PCF50606_ADCC1_NTCSWAOFF	 0x10
+#define PCF50606_ADCC1_EXTSYNCBREAK	 0x20
+	/* reserved */
+#define PCF50606_ADCC1_TSCINT		 0x80
+
+#define PCF50606_ADCC2_ADCSTART		 0x01
+	/* see enum pcf50606_adcc2_adcmux */
+#define PCF50606_ADCC2_SYNC_NONE	 0x00
+#define PCF50606_ADCC2_SYNC_TXON	 0x20
+#define PCF50606_ADCC2_SYNC_PWREN1	 0x40
+#define PCF50606_ADCC2_SYNC_PWREN2	 0x60
+#define PCF50606_ADCC2_RES_10BIT	 0x00
+#define PCF50606_ADCC2_RES_8BIT		 0x80
+
+#define PCF50606_ADCC2_ADCMUX_MASK	(0xf << 1)
+
+#define ADCMUX_SHIFT	1
+#define PCF50606_ADCMUX_BATVOLT_RES	 (0x0 << ADCMUX_SHIFT)
+#define PCF50606_ADCMUX_BATVOLT_SUBTR	 (0x1 << ADCMUX_SHIFT)
+#define PCF50606_ADCMUX_ADCIN1_RES	 (0x2 << ADCMUX_SHIFT)
+#define PCF50606_ADCMUX_ADCIN1_SUBTR	 (0x3 << ADCMUX_SHIFT)
+#define PCF50606_ADCMUX_BATTEMP		 (0x4 << ADCMUX_SHIFT)
+#define PCF50606_ADCMUX_ADCIN2		 (0x5 << ADCMUX_SHIFT)
+#define PCF50606_ADCMUX_ADCIN3		 (0x6 << ADCMUX_SHIFT)
+#define PCF50606_ADCMUX_ADCIN3_RATIO	 (0x7 << ADCMUX_SHIFT)
+#define PCF50606_ADCMUX_XPOS		 (0x8 << ADCMUX_SHIFT)
+#define PCF50606_ADCMUX_YPOS		 (0x9 << ADCMUX_SHIFT)
+#define PCF50606_ADCMUX_P1		 (0xa << ADCMUX_SHIFT)
+#define PCF50606_ADCMUX_P2		 (0xb << ADCMUX_SHIFT)
+#define PCF50606_ADCMUX_BATVOLT_ADCIN1	 (0xc << ADCMUX_SHIFT)
+#define PCF50606_ADCMUX_XY_SEQUENCE	 (0xe << ADCMUX_SHIFT)
+#define PCF50606_P1_P2_RESISTANCE	 (0xf << ADCMUX_SHIFT)
+
+#define PCF50606_ADCS2_ADCRDY		 0x80
+
+extern int
+pcf50606_adc_async_read(struct pcf50606 *pcf, int mux,
+		void (*callback)(struct pcf50606 *, void *, int),
+		void *callback_param);
+extern int
+pcf50606_adc_sync_read(struct pcf50606 *pcf, int mux);
+
+#endif /* __LINUX_PCF50606_ADC_H */
diff --git a/include/linux/mfd/pcf50606/core.h b/include/linux/mfd/pcf50606/core.h
new file mode 100644
index 00000000000..a51b1b548c2
--- /dev/null
+++ b/include/linux/mfd/pcf50606/core.h
@@ -0,0 +1,170 @@
+/*
+ * core.h  -- Core driver for NXP PCF50606
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * All rights reserved.
+ *
+ * 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.
+ */
+
+#ifndef __LINUX_MFD_PCF50606_CORE_H
+#define __LINUX_MFD_PCF50606_CORE_H
+
+#include <linux/i2c.h>
+#include <linux/workqueue.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/power_supply.h>
+
+struct pcf50606;
+
+#define PCF50606_NUM_REGULATORS	8
+
+struct pcf50606_platform_data {
+	struct regulator_init_data reg_init_data[PCF50606_NUM_REGULATORS];
+
+	char **batteries;
+	int num_batteries;
+
+	/* Callbacks */
+	void (*probe_done)(struct pcf50606 *);
+	void (*mbc_event_callback)(struct pcf50606 *, int);
+	void (*regulator_registered)(struct pcf50606 *, int);
+	void (*force_shutdown)(struct pcf50606 *);
+
+	u8 resumers[3];
+};
+
+struct pcf50606_subdev_pdata {
+	struct pcf50606 *pcf;
+};
+
+struct pcf50606_irq {
+	void (*handler)(int, void *);
+	void *data;
+};
+
+int pcf50606_register_irq(struct pcf50606 *pcf, int irq,
+			void (*handler) (int, void *), void *data);
+int pcf50606_free_irq(struct pcf50606 *pcf, int irq);
+
+int pcf50606_irq_mask(struct pcf50606 *pcf, int irq);
+int pcf50606_irq_unmask(struct pcf50606 *pcf, int irq);
+int pcf50606_irq_mask_get(struct pcf50606 *pcf, int irq);
+
+int pcf50606_read_block(struct pcf50606 *, u8 reg,
+					int nr_regs, u8 *data);
+int pcf50606_write_block(struct pcf50606 *pcf, u8 reg,
+					int nr_regs, u8 *data);
+u8 pcf50606_reg_read(struct pcf50606 *, u8 reg);
+int pcf50606_reg_write(struct pcf50606 *pcf, u8 reg, u8 val);
+
+int pcf50606_reg_set_bit_mask(struct pcf50606 *pcf, u8 reg, u8 mask, u8 val);
+int pcf50606_reg_clear_bits(struct pcf50606 *pcf, u8 reg, u8 bits);
+
+/* Interrupt registers */
+
+#define PCF50606_REG_INT1	0x02
+#define	PCF50606_REG_INT2	0x03
+#define	PCF50606_REG_INT3	0x04
+
+#define PCF50606_REG_INT1M	0x05
+#define	PCF50606_REG_INT2M	0x06
+#define	PCF50606_REG_INT3M	0x07
+
+enum {
+	/* Chip IRQs */
+	PCF50606_IRQ_ONKEYR,
+	PCF50606_IRQ_ONKEYF,
+	PCF50606_IRQ_ONKEY1S,
+	PCF50606_IRQ_EXTONR,
+	PCF50606_IRQ_EXTONF,
+	PCF50606_IRQ_RESERVED_1,
+	PCF50606_IRQ_SECOND,
+	PCF50606_IRQ_ALARM,
+	PCF50606_IRQ_CHGINS,
+	PCF50606_IRQ_CHGRM,
+	PCF50606_IRQ_CHGFOK,
+	PCF50606_IRQ_CHGERR,
+	PCF50606_IRQ_CHGFRDY,
+	PCF50606_IRQ_CHGPROT,
+	PCF50606_IRQ_CHGWD10S,
+	PCF50606_IRQ_CHGWDEXP,
+	PCF50606_IRQ_ADCRDY,
+	PCF50606_IRQ_ACDINS,
+	PCF50606_IRQ_ACDREM,
+	PCF50606_IRQ_TSCPRES,
+	PCF50606_IRQ_RESERVED_2,
+	PCF50606_IRQ_RESERVED_3,
+	PCF50606_IRQ_LOWBAT,
+	PCF50606_IRQ_HIGHTMP,
+
+	/* Always last */
+	PCF50606_NUM_IRQ,
+};
+
+struct pcf50606 {
+	struct device *dev;
+	struct i2c_client *i2c_client;
+
+	struct pcf50606_platform_data *pdata;
+	int irq;
+	struct pcf50606_irq irq_handler[PCF50606_NUM_IRQ];
+	struct work_struct irq_work;
+	struct mutex lock;
+
+	u8 mask_regs[3];
+
+	u8 suspend_irq_masks[3];
+	u8 resume_reason[3];
+	int is_suspended;
+
+	int onkey1s_held;
+
+	struct platform_device *rtc_pdev;
+	struct platform_device *mbc_pdev;
+	struct platform_device *adc_pdev;
+	struct platform_device *input_pdev;
+	struct platform_device *wdt_pdev;
+	struct platform_device *regulator_pdev[PCF50606_NUM_REGULATORS];
+};
+
+enum pcf50606_reg_int1 {
+	PCF50606_INT1_ONKEYR	= 0x01,	/* ONKEY rising edge */
+	PCF50606_INT1_ONKEYF	= 0x02,	/* ONKEY falling edge */
+	PCF50606_INT1_ONKEY1S	= 0x04,	/* OMKEY at least 1sec low */
+	PCF50606_INT1_EXTONR	= 0x08,	/* EXTON rising edge */
+	PCF50606_INT1_EXTONF	= 0x10,	/* EXTON falling edge */
+	PCF50606_INT1_SECOND	= 0x40,	/* RTC periodic second interrupt */
+	PCF50606_INT1_ALARM	= 0x80, /* RTC alarm time is reached */
+};
+
+enum pcf50606_reg_int2 {
+	PCF50606_INT2_CHGINS	= 0x01, /* Charger inserted */
+	PCF50606_INT2_CHGRM	= 0x02, /* Charger removed */
+	PCF50606_INT2_CHGFOK	= 0x04,	/* Fast charging OK */
+	PCF50606_INT2_CHGERR	= 0x08,	/* Error in charging mode */
+	PCF50606_INT2_CHGFRDY	= 0x10,	/* Fast charge completed */
+	PCF50606_INT2_CHGPROT	= 0x20,	/* Charging protection interrupt */
+	PCF50606_INT2_CHGWD10S	= 0x40,	/* Charger watchdig expires in 10s */
+	PCF50606_INT2_CHGWDEXP	= 0x80,	/* Charger watchdog expires */
+};
+
+enum pcf50606_reg_int3 {
+	PCF50606_INT3_ADCRDY	= 0x01,	/* ADC conversion finished */
+	PCF50606_INT3_ACDINS	= 0x02,	/* Accessory inserted */
+	PCF50606_INT3_ACDREM	= 0x04, /* Accessory removed */
+	PCF50606_INT3_TSCPRES	= 0x08,	/* Touch screen pressed */
+	PCF50606_INT3_LOWBAT	= 0x40,	/* Low battery voltage */
+	PCF50606_INT3_HIGHTMP	= 0x80, /* High temperature */
+};
+
+/* Misc regs */
+
+#define PCF50606_REG_OOCC1 	0x08
+#define PCF50606_OOCC1_GOSTDBY	0x01
+#endif
+
diff --git a/include/linux/mfd/pcf50606/gpo.h b/include/linux/mfd/pcf50606/gpo.h
new file mode 100644
index 00000000000..081b127d754
--- /dev/null
+++ b/include/linux/mfd/pcf50606/gpo.h
@@ -0,0 +1,42 @@
+/*
+ * gpo.h -- GPO driver for NXP PCF50606
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * All rights reserved.
+ *
+ * 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.
+ */
+
+#ifndef __LINUX_MFD_PCF50606_GPO_H
+#define __LINUX_MFD_PCF50606_GPO_H
+
+#include <linux/mfd/pcf50633/core.h>
+
+#define PCF50606_REG_GPOC1 0x38
+#define PCF50606_REG_GPOC2 0x39
+#define PCF50606_REG_GPOC3 0x3a
+#define PCF50606_REG_GPOC4 0x3b
+#define PCF50606_REG_GPOC5 0x3c
+
+#define PCF50606_GPO1	PCF50606_REG_GPOC1
+#define PCF50606_GPO2	PCF50606_REG_GPOC1
+#define PCF50606_GPOOD1	PCF50606_REG_GPOC2
+#define PCF50606_GPOOD2	PCF50606_REG_GPOC3
+#define PCF50606_GPOOD3	PCF50606_REG_GPOC4
+#define PCF50606_GPOOD4	PCF50606_REG_GPOC5
+
+#define PCF50606_GPOCFG_GPOSEL_MASK	0x07
+
+void pcf50606_gpo_set_active(struct pcf50606 *pcf, int gpo, int value);
+int pcf50606_gpo_get_active(struct pcf50606 *pcf, int gpo);
+void pcf50606_gpo_set_standby(struct pcf50606 *pcf, int gpo, int value);
+int pcf50606_gpo_get_standby(struct pcf50606 *pcf, int gpo);
+
+void pcf50606_gpo_invert_set(struct pcf50606 *, int gpo, int invert);
+int pcf50606_gpo_invert_get(struct pcf50606 *pcf, int gpo);
+
+#endif /* __LINUX_MFD_PCF50606_GPIO_H */
+
diff --git a/include/linux/mfd/pcf50606/mbc.h b/include/linux/mfd/pcf50606/mbc.h
new file mode 100644
index 00000000000..b793d703a64
--- /dev/null
+++ b/include/linux/mfd/pcf50606/mbc.h
@@ -0,0 +1,52 @@
+/*
+ * mbc.h  -- Driver for NXP PCF50606 Main Battery Charger
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * All rights reserved.
+ *
+ * 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.
+ */
+
+#ifndef __LINUX_MFD_PCF50606_MBC_H
+#define __LINUX_MFD_PCF50606_MBC_H
+
+#include <linux/mfd/pcf50606/core.h>
+#include <linux/platform_device.h>
+
+#define PCF50606_REG_OOCS	0x01
+
+/* Charger OK */
+#define PCF50606_OOCS_CHGOK	0x20
+
+#define PCF50606_REG_MBCC1	0x29
+#define PCF50606_REG_MBCC2	0x2a
+#define PCF50606_REG_MBCC3	0x2b
+#define PCF50606_REG_MBCS1	0x2c
+
+#define PCF50606_MBCC1_CHGAPE		0x01
+#define PCF50606_MBCC1_AUTOFST		0x02
+#define PCF50606_MBCC1_CHGMOD_MASK	0x1c
+#define PCF50606_MBCC1_CHGMOD_QUAL	0x00
+#define PCF50606_MBCC1_CHGMOD_PRE	0x04
+#define PCF50606_MBCC1_CHGMOD_TRICKLE	0x08
+#define PCF50606_MBCC1_CHGMOD_FAST_CCCV	0x0c
+#define PCF50606_MBCC1_CHGMOD_FAST_NOCC	0x10
+#define PCF50606_MBCC1_CHGMOD_FAST_NOCV	0x14
+#define PCF50606_MBCC1_CHGMOD_FAST_SW	0x18
+#define PCF50606_MBCC1_CHGMOD_IDLE	0x1c
+#define PCF50606_MBCC1_DETMOD_LOWCHG	0x20
+#define PCF50606_MBCC1_DETMOD_WDRST	0x40
+
+#define PCF50606_MBCC1_CHGMOD_SHIFT	2
+
+/* Charger status */
+#define PCF50606_MBC_CHARGER_ONLINE	0x01
+#define PCF50606_MBC_CHARGER_ACTIVE	0x02
+
+void pcf50606_charge_fast(struct pcf50606 *pcf, int on);
+
+#endif
+
diff --git a/include/linux/mfd/pcf50606/pmic.h b/include/linux/mfd/pcf50606/pmic.h
new file mode 100644
index 00000000000..1bcfe39025b
--- /dev/null
+++ b/include/linux/mfd/pcf50606/pmic.h
@@ -0,0 +1,73 @@
+#ifndef __LINUX_MFD_PCF50606_PMIC_H
+#define __LINUX_MFD_PCF50606_PMIC_H
+
+#define PCF50606_REG_DCDC1	 0x1b
+#define PCF50606_REG_DCDC2	 0x1c
+#define PCF50606_REG_DCDC3	 0x1d
+#define PCF50606_REG_DCDC4	 0x1e
+#define PCF50606_REG_DCDEC1	 0x1f
+#define PCF50606_REG_DCDEC2	 0x20
+#define PCF50606_REG_DCUDC1	 0x21
+#define PCF50606_REG_DCUDC2	 0x22
+#define PCF50606_REG_IOREGC	 0x23
+#define PCF50606_REG_D1REGC1	 0x24
+#define PCF50606_REG_D2REGC1	 0x25
+#define PCF50606_REG_D3REGC1	 0x26
+#define PCF50606_REG_LPREGC1	 0x27
+#define PCF50606_REG_LPREGC2	 0x28
+
+/* used by PSSC, PWROKM, PWROKS, */
+enum pcf50606_regu {
+	PCF50606_REGU_DCD	= 0x01,	/* DCD in phase 2 */
+	PCF50606_REGU_DCDE	= 0x02,	/* DCDE in phase 2 */
+	PCF50606_REGU_DCUD	= 0x04,	/* DCDU in phase 2 */
+	PCF50606_REGU_IO	= 0x08,	/* IO in phase 2 */
+	PCF50606_REGU_D1	= 0x10, /* D1 in phase 2 */
+	PCF50606_REGU_D2	= 0x20,	/* D2 in phase 2 */
+	PCF50606_REGU_D3	= 0x40,	/* D3 in phase 2 */
+	PCF50606_REGU_LP	= 0x80,	/* LP in phase 2 */
+};
+
+enum pcf50606_reg_dcdc4 {
+	PCF50606_DCDC4_MODE_AUTO	= 0x00,
+	PCF50606_DCDC4_MODE_PWM		= 0x01,
+	PCF50606_DCDC4_MODE_PCF		= 0x02,
+	PCF50606_DCDC4_OFF_FLOAT	= 0x00,
+	PCF50606_DCDC4_OFF_BYPASS	= 0x04,
+	PCF50606_DCDC4_OFF_PULLDOWN	= 0x08,
+	PCF50606_DCDC4_CURLIM_500mA	= 0x00,
+	PCF50606_DCDC4_CURLIM_750mA	= 0x10,
+	PCF50606_DCDC4_CURLIM_1000mA	= 0x20,
+	PCF50606_DCDC4_CURLIM_1250mA	= 0x30,
+	PCF50606_DCDC4_TOGGLE		= 0x40,
+	PCF50606_DCDC4_REGSEL_DCDC2	= 0x80,
+};
+
+enum pcf50606_reg_dcdec2 {
+	PCF50606_DCDEC2_MODE_AUTO	= 0x00,
+	PCF50606_DCDEC2_MODE_PWM	= 0x01,
+	PCF50606_DCDEC2_MODE_PCF	= 0x02,
+	PCF50606_DCDEC2_OFF_FLOAT	= 0x00,
+	PCF50606_DCDEC2_OFF_BYPASS	= 0x04,
+};
+
+enum pcf50606_reg_dcudc2 {
+	PCF50606_DCUDC2_MODE_AUTO	= 0x00,
+	PCF50606_DCUDC2_MODE_PWM	= 0x01,
+	PCF50606_DCUDC2_MODE_PCF	= 0x02,
+	PCF50606_DCUDC2_OFF_FLOAT	= 0x00,
+	PCF50606_DCUDC2_OFF_BYPASS	= 0x04,
+};
+
+enum pcf50606_regulator_id {
+	PCF50606_REGULATOR_DCD,
+	PCF50606_REGULATOR_DCDE,
+	PCF50606_REGULATOR_DCUD,
+	PCF50606_REGULATOR_D1REG,
+	PCF50606_REGULATOR_D2REG,
+	PCF50606_REGULATOR_D3REG,
+	PCF50606_REGULATOR_LPREG,
+	PCF50606_REGULATOR_IOREG,
+};
+
+#endif