4 files changed, 90 insertions, 2 deletions

diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index 6fae97a6ce7d..f7756d146c61 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -123,7 +123,7 @@ struct regulator_bulk_data {
         const char *supply;
         struct regulator *consumer;
 
-        /* Internal use */
+        /* private: Internal use */
         int ret;
 };
 
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 12a1aa04b720..52c89ae32f64 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -16,6 +16,7 @@
 #define __LINUX_REGULATOR_DRIVER_H_
 
 #include <linux/device.h>
+#include <linux/notifier.h>
 #include <linux/regulator/consumer.h>
 
 struct regulator_dev;
diff --git a/include/linux/regulator/gpio-regulator.h b/include/linux/regulator/gpio-regulator.h
new file mode 100644
index 000000000000..19fbd267406d
--- /dev/null
+++ b/include/linux/regulator/gpio-regulator.h
@@ -0,0 +1,87 @@
+/*
+ * gpio-regulator.h
+ *
+ * Copyright 2011 Heiko Stuebner <heiko@sntech.de>
+ *
+ * based on fixed.h
+ *
+ * Copyright 2008 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * Copyright (c) 2009 Nokia Corporation
+ * Roger Quadros <ext-roger.quadros@nokia.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.
+ */
+
+#ifndef __REGULATOR_GPIO_H
+#define __REGULATOR_GPIO_H
+
+struct regulator_init_data;
+
+enum regulator_type;
+
+/**
+ * struct gpio_regulator_state - state description
+ * @value:              microvolts or microamps
+ * @gpios:              bitfield of gpio target-states for the value
+ *
+ * This structure describes a supported setting of the regulator
+ * and the necessary gpio-state to achieve it.
+ *
+ * The n-th bit in the bitfield describes the state of the n-th GPIO
+ * from the gpios-array defined in gpio_regulator_config below.
+ */
+struct gpio_regulator_state {
+        int value;
+        int gpios;
+};
+
+/**
+ * struct gpio_regulator_config - config structure
+ * @supply_name:        Name of the regulator supply
+ * @enable_gpio:        GPIO to use for enable control
+ *                      set to -EINVAL if not used
+ * @enable_high:        Polarity of enable GPIO
+ *                      1 = Active high, 0 = Active low
+ * @enabled_at_boot:    Whether regulator has been enabled at
+ *                      boot or not. 1 = Yes, 0 = No
+ *                      This is used to keep the regulator at
+ *                      the default state
+ * @startup_delay:      Start-up time in microseconds
+ * @gpios:              Array containing the gpios needed to control
+ *                      the setting of the regulator
+ * @nr_gpios:           Number of gpios
+ * @states:             Array of gpio_regulator_state entries describing
+ *                      the gpio state for specific voltages
+ * @nr_states:          Number of states available
+ * @regulator_type:     either REGULATOR_CURRENT or REGULATOR_VOLTAGE
+ * @init_data:          regulator_init_data
+ *
+ * This structure contains gpio-voltage regulator configuration
+ * information that must be passed by platform code to the
+ * gpio-voltage regulator driver.
+ */
+struct gpio_regulator_config {
+        const char *supply_name;
+
+        int enable_gpio;
+        unsigned enable_high:1;
+        unsigned enabled_at_boot:1;
+        unsigned startup_delay;
+
+        struct gpio *gpios;
+        int nr_gpios;
+
+        struct gpio_regulator_state *states;
+        int nr_states;
+
+        enum regulator_type type;
+        struct regulator_init_data *init_data;
+};
+
+#endif
diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h
index ce3127a75c88..f3f13fd5868f 100644
--- a/include/linux/regulator/machine.h
+++ b/include/linux/regulator/machine.h
@@ -95,7 +95,7 @@ struct regulator_state {
  */
 struct regulation_constraints {
 
-        char *name;
+        const char *name;
 
         /* voltage output range (inclusive) - for voltage control */
         int min_uV;