Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (55 commits)
  regulator: Voltage count for AB3100
  mfd: Convert WM8350 to use request_threaded_irq()
  mfd: Update MAINTAINERS patterns for WM831x
  mfd: Fix twl4030-power warnings
  regulator: AB3100 support
  rtc: AB3100 RTC support
  mfd: Fix ab3100-otp build failure
  mfd: OMAP: Board-specifc twl4030 DPS scripts for RX51 board
  mfd: Print warning for twl4030 out-of-order script loading
  mfd: Add support for TWL4030/5030 dynamic power switching
  mfd: AB3100 OTP readout
  regulator: Add Freescale MC13783 driver
  mfd: Add Freescale MC13783 driver
  mfd: AB3100 disable irq nosync
  mfd: AB3100 alter default setting
  mfd: AB3100 propagate error
  mfd: AB3100 accessor function cleanups
  rtc: Add support for RTCs on Wolfson WM831x devices
  regulator: get pcap data from the parent device
  input: PCAP2 misc input driver
  ...

44 files changed, 9138 insertions, 97 deletions

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 96dda81c922..6b4c484a699 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -155,6 +155,13 @@ config GPIO_TWL4030
 	  Say yes here to access the GPIO signals of various multi-function
 	  power management chips from Texas Instruments.
 
+config GPIO_WM831X
+	tristate "WM831x GPIOs"
+	depends on MFD_WM831X
+	help
+	  Say yes here to access the GPIO signals of WM831x power management
+	  chips from Wolfson Microelectronics.
+
 comment "PCI GPIO expanders:"
 
 config GPIO_BT8XX
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 9244c6fcd8b..ea7c745f26a 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -14,3 +14,4 @@ obj-$(CONFIG_GPIO_TWL4030)	+= twl4030-gpio.o
 obj-$(CONFIG_GPIO_XILINX)	+= xilinx_gpio.o
 obj-$(CONFIG_GPIO_BT8XX)	+= bt8xxgpio.o
 obj-$(CONFIG_GPIO_VR41XX)	+= vr41xx_giu.o
+obj-$(CONFIG_GPIO_WM831X)	+= wm831x-gpio.o
diff --git a/drivers/gpio/wm831x-gpio.c b/drivers/gpio/wm831x-gpio.c
new file mode 100644
index 00000000000..f9c09a54ec7
--- /dev/null
+++ b/drivers/gpio/wm831x-gpio.c
@@ -0,0 +1,252 @@
+/*
+ * wm831x-gpio.c  --  gpiolib support for Wolfson WM831x PMICs
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ *  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/gpio.h>
+#include <linux/mfd/core.h>
+#include <linux/platform_device.h>
+#include <linux/seq_file.h>
+
+#include <linux/mfd/wm831x/core.h>
+#include <linux/mfd/wm831x/pdata.h>
+#include <linux/mfd/wm831x/gpio.h>
+
+#define WM831X_GPIO_MAX 16
+
+struct wm831x_gpio {
+	struct wm831x *wm831x;
+	struct gpio_chip gpio_chip;
+};
+
+static inline struct wm831x_gpio *to_wm831x_gpio(struct gpio_chip *chip)
+{
+	return container_of(chip, struct wm831x_gpio, gpio_chip);
+}
+
+static int wm831x_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
+{
+	struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
+	struct wm831x *wm831x = wm831x_gpio->wm831x;
+
+	return wm831x_set_bits(wm831x, WM831X_GPIO1_CONTROL + offset,
+			       WM831X_GPN_DIR | WM831X_GPN_TRI,
+			       WM831X_GPN_DIR);
+}
+
+static int wm831x_gpio_get(struct gpio_chip *chip, unsigned offset)
+{
+	struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
+	struct wm831x *wm831x = wm831x_gpio->wm831x;
+	int ret;
+
+	ret = wm831x_reg_read(wm831x, WM831X_GPIO_LEVEL);
+	if (ret < 0)
+		return ret;
+
+	if (ret & 1 << offset)
+		return 1;
+	else
+		return 0;
+}
+
+static int wm831x_gpio_direction_out(struct gpio_chip *chip,
+				     unsigned offset, int value)
+{
+	struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
+	struct wm831x *wm831x = wm831x_gpio->wm831x;
+
+	return wm831x_set_bits(wm831x, WM831X_GPIO1_CONTROL + offset,
+			       WM831X_GPN_DIR | WM831X_GPN_TRI, 0);
+}
+
+static void wm831x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+{
+	struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
+	struct wm831x *wm831x = wm831x_gpio->wm831x;
+
+	wm831x_set_bits(wm831x, WM831X_GPIO_LEVEL, 1 << offset,
+			value << offset);
+}
+
+#ifdef CONFIG_DEBUG_FS
+static void wm831x_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
+{
+	struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
+	struct wm831x *wm831x = wm831x_gpio->wm831x;
+	int i;
+
+	for (i = 0; i < chip->ngpio; i++) {
+		int gpio = i + chip->base;
+		int reg;
+		const char *label, *pull, *powerdomain;
+
+		/* We report the GPIO even if it's not requested since
+		 * we're also reporting things like alternate
+		 * functions which apply even when the GPIO is not in
+		 * use as a GPIO.
+		 */
+		label = gpiochip_is_requested(chip, i);
+		if (!label)
+			label = "Unrequested";
+
+		seq_printf(s, " gpio-%-3d (%-20.20s) ", gpio, label);
+
+		reg = wm831x_reg_read(wm831x, WM831X_GPIO1_CONTROL + i);
+		if (reg < 0) {
+			dev_err(wm831x->dev,
+				"GPIO control %d read failed: %d\n",
+				gpio, reg);
+			seq_printf(s, "\n");
+			continue;
+		}
+
+		switch (reg & WM831X_GPN_PULL_MASK) {
+		case WM831X_GPIO_PULL_NONE:
+			pull = "nopull";
+			break;
+		case WM831X_GPIO_PULL_DOWN:
+			pull = "pulldown";
+			break;
+		case WM831X_GPIO_PULL_UP:
+			pull = "pullup";
+		default:
+			pull = "INVALID PULL";
+			break;
+		}
+
+		switch (i + 1) {
+		case 1 ... 3:
+		case 7 ... 9:
+			if (reg & WM831X_GPN_PWR_DOM)
+				powerdomain = "VPMIC";
+			else
+				powerdomain = "DBVDD";
+			break;
+
+		case 4 ... 6:
+		case 10 ... 12:
+			if (reg & WM831X_GPN_PWR_DOM)
+				powerdomain = "SYSVDD";
+			else
+				powerdomain = "DBVDD";
+			break;
+
+		case 13 ... 16:
+			powerdomain = "TPVDD";
+			break;
+
+		default:
+			BUG();
+			break;
+		}
+
+		seq_printf(s, " %s %s %s %s%s\n"
+			   "                                  %s%s (0x%4x)\n",
+			   reg & WM831X_GPN_DIR ? "in" : "out",
+			   wm831x_gpio_get(chip, i) ? "high" : "low",
+			   pull,
+			   powerdomain,
+			   reg & WM831X_GPN_POL ? " inverted" : "",
+			   reg & WM831X_GPN_OD ? "open-drain" : "CMOS",
+			   reg & WM831X_GPN_TRI ? " tristated" : "",
+			   reg);
+	}
+}
+#else
+#define wm831x_gpio_dbg_show NULL
+#endif
+
+static struct gpio_chip template_chip = {
+	.label			= "wm831x",
+	.owner			= THIS_MODULE,
+	.direction_input	= wm831x_gpio_direction_in,
+	.get			= wm831x_gpio_get,
+	.direction_output	= wm831x_gpio_direction_out,
+	.set			= wm831x_gpio_set,
+	.dbg_show		= wm831x_gpio_dbg_show,
+	.can_sleep		= 1,
+};
+
+static int __devinit wm831x_gpio_probe(struct platform_device *pdev)
+{
+	struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
+	struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+	struct wm831x_gpio *wm831x_gpio;
+	int ret;
+
+	wm831x_gpio = kzalloc(sizeof(*wm831x_gpio), GFP_KERNEL);
+	if (wm831x_gpio == NULL)
+		return -ENOMEM;
+
+	wm831x_gpio->wm831x = wm831x;
+	wm831x_gpio->gpio_chip = template_chip;
+	wm831x_gpio->gpio_chip.ngpio = WM831X_GPIO_MAX;
+	wm831x_gpio->gpio_chip.dev = &pdev->dev;
+	if (pdata && pdata->gpio_base)
+		wm831x_gpio->gpio_chip.base = pdata->gpio_base;
+	else
+		wm831x_gpio->gpio_chip.base = -1;
+
+	ret = gpiochip_add(&wm831x_gpio->gpio_chip);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Could not register gpiochip, %d\n",
+			ret);
+		goto err;
+	}
+
+	platform_set_drvdata(pdev, wm831x_gpio);
+
+	return ret;
+
+err:
+	kfree(wm831x_gpio);
+	return ret;
+}
+
+static int __devexit wm831x_gpio_remove(struct platform_device *pdev)
+{
+	struct wm831x_gpio *wm831x_gpio = platform_get_drvdata(pdev);
+	int ret;
+
+	ret = gpiochip_remove(&wm831x_gpio->gpio_chip);
+	if (ret == 0)
+		kfree(wm831x_gpio);
+
+	return ret;
+}
+
+static struct platform_driver wm831x_gpio_driver = {
+	.driver.name	= "wm831x-gpio",
+	.driver.owner	= THIS_MODULE,
+	.probe		= wm831x_gpio_probe,
+	.remove		= __devexit_p(wm831x_gpio_remove),
+};
+
+static int __init wm831x_gpio_init(void)
+{
+	return platform_driver_register(&wm831x_gpio_driver);
+}
+subsys_initcall(wm831x_gpio_init);
+
+static void __exit wm831x_gpio_exit(void)
+{
+	platform_driver_unregister(&wm831x_gpio_driver);
+}
+module_exit(wm831x_gpio_exit);
+
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_DESCRIPTION("GPIO interface for WM831x PMICs");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:wm831x-gpio");
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 461abb1e273..ed7711d11ae 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -946,6 +946,27 @@ config SENSORS_W83627EHF
 	  This driver can also be built as a module.  If so, the module
 	  will be called w83627ehf.
 
+config SENSORS_WM831X
+	tristate "WM831x PMICs"
+	depends on MFD_WM831X
+	help
+	  If you say yes here you get support for the hardware
+	  monitoring functionality of the Wolfson Microelectronics
+	  WM831x series of PMICs.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called wm831x-hwmon.
+
+config SENSORS_WM8350
+	tristate "Wolfson Microelectronics WM835x"
+	depends on MFD_WM8350
+	help
+	  If you say yes here you get support for the hardware
+	  monitoring features of the WM835x series of PMICs.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called wm8350-hwmon.
+
 config SENSORS_ULTRA45
 	tristate "Sun Ultra45 PIC16F747"
 	depends on SPARC64
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index 2e547881bc0..bcf73a9bb61 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -93,6 +93,8 @@ obj-$(CONFIG_SENSORS_VT8231)	+= vt8231.o
 obj-$(CONFIG_SENSORS_W83627EHF)	+= w83627ehf.o
 obj-$(CONFIG_SENSORS_W83L785TS)	+= w83l785ts.o
 obj-$(CONFIG_SENSORS_W83L786NG)	+= w83l786ng.o
+obj-$(CONFIG_SENSORS_WM831X)	+= wm831x-hwmon.o
+obj-$(CONFIG_SENSORS_WM8350)	+= wm8350-hwmon.o
 
 ifeq ($(CONFIG_HWMON_DEBUG_CHIP),y)
 EXTRA_CFLAGS += -DDEBUG
diff --git a/drivers/hwmon/wm831x-hwmon.c b/drivers/hwmon/wm831x-hwmon.c
new file mode 100644
index 00000000000..c16e9e74c35
--- /dev/null
+++ b/drivers/hwmon/wm831x-hwmon.c
@@ -0,0 +1,226 @@
+/*
+ * drivers/hwmon/wm831x-hwmon.c - Wolfson Microelectronics WM831x PMIC
+ *                                hardware monitoring features.
+ *
+ * Copyright (C) 2009 Wolfson Microelectronics plc
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License v2 as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/err.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+
+#include <linux/mfd/wm831x/core.h>
+#include <linux/mfd/wm831x/auxadc.h>
+
+struct wm831x_hwmon {
+	struct wm831x *wm831x;
+	struct device *classdev;
+};
+
+static ssize_t show_name(struct device *dev,
+			 struct device_attribute *attr, char *buf)
+{
+	return sprintf(buf, "wm831x\n");
+}
+
+static const char *input_names[] = {
+	[WM831X_AUX_SYSVDD]    = "SYSVDD",
+	[WM831X_AUX_USB]       = "USB",
+	[WM831X_AUX_BKUP_BATT] = "Backup battery",
+	[WM831X_AUX_BATT]      = "Battery",
+	[WM831X_AUX_WALL]      = "WALL",
+	[WM831X_AUX_CHIP_TEMP] = "PMIC",
+	[WM831X_AUX_BATT_TEMP] = "Battery",
+};
+
+
+static ssize_t show_voltage(struct device *dev,
+			    struct device_attribute *attr, char *buf)
+{
+	struct wm831x_hwmon *hwmon = dev_get_drvdata(dev);
+	int channel = to_sensor_dev_attr(attr)->index;
+	int ret;
+
+	ret = wm831x_auxadc_read_uv(hwmon->wm831x, channel);
+	if (ret < 0)
+		return ret;
+
+	return sprintf(buf, "%d\n", DIV_ROUND_CLOSEST(ret, 1000));
+}
+
+static ssize_t show_chip_temp(struct device *dev,
+			      struct device_attribute *attr, char *buf)
+{
+	struct wm831x_hwmon *hwmon = dev_get_drvdata(dev);
+	int channel = to_sensor_dev_attr(attr)->index;
+	int ret;
+
+	ret = wm831x_auxadc_read(hwmon->wm831x, channel);
+	if (ret < 0)
+		return ret;
+
+	/* Degrees celsius = (512.18-ret) / 1.0983 */
+	ret = 512180 - (ret * 1000);
+	ret = DIV_ROUND_CLOSEST(ret * 10000, 10983);
+
+	return sprintf(buf, "%d\n", ret);
+}
+
+static ssize_t show_label(struct device *dev,
+			  struct device_attribute *attr, char *buf)
+{
+	int channel = to_sensor_dev_attr(attr)->index;
+
+	return sprintf(buf, "%s\n", input_names[channel]);
+}
+
+#define WM831X_VOLTAGE(id, name) \
+	static SENSOR_DEVICE_ATTR(in##id##_input, S_IRUGO, show_voltage, \
+				  NULL, name)
+
+#define WM831X_NAMED_VOLTAGE(id, name) \
+	WM831X_VOLTAGE(id, name); \
+	static SENSOR_DEVICE_ATTR(in##id##_label, S_IRUGO, show_label,	\
+				  NULL, name)
+
+static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
+
+WM831X_VOLTAGE(0, WM831X_AUX_AUX1);
+WM831X_VOLTAGE(1, WM831X_AUX_AUX2);
+WM831X_VOLTAGE(2, WM831X_AUX_AUX3);
+WM831X_VOLTAGE(3, WM831X_AUX_AUX4);
+
+WM831X_NAMED_VOLTAGE(4, WM831X_AUX_SYSVDD);
+WM831X_NAMED_VOLTAGE(5, WM831X_AUX_USB);
+WM831X_NAMED_VOLTAGE(6, WM831X_AUX_BATT);
+WM831X_NAMED_VOLTAGE(7, WM831X_AUX_WALL);
+WM831X_NAMED_VOLTAGE(8, WM831X_AUX_BKUP_BATT);
+
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_chip_temp, NULL,
+			  WM831X_AUX_CHIP_TEMP);
+static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_label, NULL,
+			  WM831X_AUX_CHIP_TEMP);
+/* Report as a voltage since conversion depends on external components
+ * and that's what the ABI wants. */
+static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_voltage, NULL,
+			  WM831X_AUX_BATT_TEMP);
+static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, show_label, NULL,
+			  WM831X_AUX_BATT_TEMP);
+
+static struct attribute *wm831x_attributes[] = {
+	&dev_attr_name.attr,
+
+	&sensor_dev_attr_in0_input.dev_attr.attr,
+	&sensor_dev_attr_in1_input.dev_attr.attr,
+	&sensor_dev_attr_in2_input.dev_attr.attr,
+	&sensor_dev_attr_in3_input.dev_attr.attr,
+
+	&sensor_dev_attr_in4_input.dev_attr.attr,
+	&sensor_dev_attr_in4_label.dev_attr.attr,
+	&sensor_dev_attr_in5_input.dev_attr.attr,
+	&sensor_dev_attr_in5_label.dev_attr.attr,
+	&sensor_dev_attr_in6_input.dev_attr.attr,
+	&sensor_dev_attr_in6_label.dev_attr.attr,
+	&sensor_dev_attr_in7_input.dev_attr.attr,
+	&sensor_dev_attr_in7_label.dev_attr.attr,
+	&sensor_dev_attr_in8_input.dev_attr.attr,
+	&sensor_dev_attr_in8_label.dev_attr.attr,
+
+	&sensor_dev_attr_temp1_input.dev_attr.attr,
+	&sensor_dev_attr_temp1_label.dev_attr.attr,
+	&sensor_dev_attr_temp2_input.dev_attr.attr,
+	&sensor_dev_attr_temp2_label.dev_attr.attr,
+
+	NULL
+};
+
+static const struct attribute_group wm831x_attr_group = {
+	.attrs	= wm831x_attributes,
+};
+
+static int __devinit wm831x_hwmon_probe(struct platform_device *pdev)
+{
+	struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
+	struct wm831x_hwmon *hwmon;
+	int ret;
+
+	hwmon = kzalloc(sizeof(struct wm831x_hwmon), GFP_KERNEL);
+	if (!hwmon)
+		return -ENOMEM;
+
+	hwmon->wm831x = wm831x;
+
+	ret = sysfs_create_group(&pdev->dev.kobj, &wm831x_attr_group);
+	if (ret)
+		goto err;
+
+	hwmon->classdev = hwmon_device_register(&pdev->dev);
+	if (IS_ERR(hwmon->classdev)) {
+		ret = PTR_ERR(hwmon->classdev);
+		goto err_sysfs;
+	}
+
+	platform_set_drvdata(pdev, hwmon);
+
+	return 0;
+
+err_sysfs:
+	sysfs_remove_group(&pdev->dev.kobj, &wm831x_attr_group);
+err:
+	kfree(hwmon);
+	return ret;
+}
+
+static int __devexit wm831x_hwmon_remove(struct platform_device *pdev)
+{
+	struct wm831x_hwmon *hwmon = platform_get_drvdata(pdev);
+
+	hwmon_device_unregister(hwmon->classdev);
+	sysfs_remove_group(&pdev->dev.kobj, &wm831x_attr_group);
+	platform_set_drvdata(pdev, NULL);
+	kfree(hwmon);
+
+	return 0;
+}
+
+static struct platform_driver wm831x_hwmon_driver = {
+	.probe = wm831x_hwmon_probe,
+	.remove = __devexit_p(wm831x_hwmon_remove),
+	.driver = {
+		.name = "wm831x-hwmon",
+		.owner = THIS_MODULE,
+	},
+};
+
+static int __init wm831x_hwmon_init(void)
+{
+	return platform_driver_register(&wm831x_hwmon_driver);
+}
+module_init(wm831x_hwmon_init);
+
+static void __exit wm831x_hwmon_exit(void)
+{
+	platform_driver_unregister(&wm831x_hwmon_driver);
+}
+module_exit(wm831x_hwmon_exit);
+
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_DESCRIPTION("WM831x Hardware Monitoring");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:wm831x-hwmon");
diff --git a/drivers/hwmon/wm8350-hwmon.c b/drivers/hwmon/wm8350-hwmon.c
new file mode 100644
index 00000000000..13290595ca8
--- /dev/null
+++ b/drivers/hwmon/wm8350-hwmon.c
@@ -0,0 +1,151 @@
+/*
+ * drivers/hwmon/wm8350-hwmon.c - Wolfson Microelectronics WM8350 PMIC
+ *                                  hardware monitoring features.
+ *
+ * Copyright (C) 2009 Wolfson Microelectronics plc
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License v2 as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+
+#include <linux/mfd/wm8350/core.h>
+#include <linux/mfd/wm8350/comparator.h>
+
+static ssize_t show_name(struct device *dev,
+			 struct device_attribute *attr, char *buf)
+{
+	return sprintf(buf, "wm8350\n");
+}
+
+static const char *input_names[] = {
+	[WM8350_AUXADC_USB]  = "USB",
+	[WM8350_AUXADC_LINE] = "Line",
+	[WM8350_AUXADC_BATT] = "Battery",
+};
+
+
+static ssize_t show_voltage(struct device *dev,
+			    struct device_attribute *attr, char *buf)
+{
+	struct wm8350 *wm8350 = dev_get_drvdata(dev);
+	int channel = to_sensor_dev_attr(attr)->index;
+	int val;
+
+	val = wm8350_read_auxadc(wm8350, channel, 0, 0) * WM8350_AUX_COEFF;
+	val = DIV_ROUND_CLOSEST(val, 1000);
+
+	return sprintf(buf, "%d\n", val);
+}
+
+static ssize_t show_label(struct device *dev,
+			  struct device_attribute *attr, char *buf)
+{
+	int channel = to_sensor_dev_attr(attr)->index;
+
+	return sprintf(buf, "%s\n", input_names[channel]);
+}
+
+#define WM8350_NAMED_VOLTAGE(id, name) \
+	static SENSOR_DEVICE_ATTR(in##id##_input, S_IRUGO, show_voltage,\
+				  NULL, name);		\
+	static SENSOR_DEVICE_ATTR(in##id##_label, S_IRUGO, show_label,	\
+				  NULL, name)
+
+static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
+
+WM8350_NAMED_VOLTAGE(0, WM8350_AUXADC_USB);
+WM8350_NAMED_VOLTAGE(1, WM8350_AUXADC_BATT);
+WM8350_NAMED_VOLTAGE(2, WM8350_AUXADC_LINE);
+
+static struct attribute *wm8350_attributes[] = {
+	&dev_attr_name.attr,
+
+	&sensor_dev_attr_in0_input.dev_attr.attr,
+	&sensor_dev_attr_in0_label.dev_attr.attr,
+	&sensor_dev_attr_in1_input.dev_attr.attr,
+	&sensor_dev_attr_in1_label.dev_attr.attr,
+	&sensor_dev_attr_in2_input.dev_attr.attr,
+	&sensor_dev_attr_in2_label.dev_attr.attr,
+
+	NULL,
+};
+
+static const struct attribute_group wm8350_attr_group = {
+	.attrs	= wm8350_attributes,
+};
+
+static int __devinit wm8350_hwmon_probe(struct platform_device *pdev)
+{
+	struct wm8350 *wm8350 = platform_get_drvdata(pdev);
+	int ret;
+
+	ret = sysfs_create_group(&pdev->dev.kobj, &wm8350_attr_group);
+	if (ret)
+		goto err;
+
+	wm8350->hwmon.classdev = hwmon_device_register(&pdev->dev);
+	if (IS_ERR(wm8350->hwmon.classdev)) {
+		ret = PTR_ERR(wm8350->hwmon.classdev);
+		goto err_group;
+	}
+
+	return 0;
+
+err_group:
+	sysfs_remove_group(&pdev->dev.kobj, &wm8350_attr_group);
+err:
+	return ret;
+}
+
+static int __devexit wm8350_hwmon_remove(struct platform_device *pdev)
+{
+	struct wm8350 *wm8350 = platform_get_drvdata(pdev);
+
+	hwmon_device_unregister(wm8350->hwmon.classdev);
+	sysfs_remove_group(&pdev->dev.kobj, &wm8350_attr_group);
+
+	return 0;
+}
+
+static struct platform_driver wm8350_hwmon_driver = {
+	.probe = wm8350_hwmon_probe,
+	.remove = __devexit_p(wm8350_hwmon_remove),
+	.driver = {
+		.name = "wm8350-hwmon",
+		.owner = THIS_MODULE,
+	},
+};
+
+static int __init wm8350_hwmon_init(void)
+{
+	return platform_driver_register(&wm8350_hwmon_driver);
+}
+module_init(wm8350_hwmon_init);
+
+static void __exit wm8350_hwmon_exit(void)
+{
+	platform_driver_unregister(&wm8350_hwmon_driver);
+}
+module_exit(wm8350_hwmon_exit);
+
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_DESCRIPTION("WM8350 Hardware Monitoring");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:wm8350-hwmon");
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index cbe21bc96b5..1a50be379cb 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -279,4 +279,24 @@ config INPUT_BFIN_ROTARY
 	  To compile this driver as a module, choose M here: the
 	  module will be called bfin-rotary.
 
+config INPUT_WM831X_ON
+	tristate "WM831X ON pin"
+	depends on MFD_WM831X
+	help
+	  Support the ON pin of WM831X PMICs as an input device
+	  reporting power button status.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called wm831x_on.
+
+config INPUT_PCAP
+	tristate "Motorola EZX PCAP misc input events"
+	depends on EZX_PCAP
+	help
+	  Say Y here if you want to use Power key and Headphone button
+	  on Motorola EZX phones.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called pcap_keys.
+
 endif
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 79c1e9a5ea3..bf4db626c31 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_HP_SDC_RTC)		+= hp_sdc_rtc.o