regulator: add device tree support for s5m8767

This device tree support is added for PMIC block of S5m8767 multi
function driver. The usage detail is added in the device tree
documentation section. This change is tested on exynos5250 based
arndale platform by regulator voltage set/get API's.

Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Tested-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 7 insertions, 4 deletions

diff --git a/include/linux/mfd/samsung/core.h b/include/linux/mfd/samsung/core.h
index b50c38f8bc48..f0f4de3b4ccc 100644
--- a/include/linux/mfd/samsung/core.h
+++ b/include/linux/mfd/samsung/core.h
@@ -26,6 +26,7 @@ enum sec_device_type {
 /**
  * struct sec_pmic_dev - s5m87xx master device for sub-drivers
  * @dev: master device of the chip (can be used to access platform data)
+ * @pdata: pointer to private data used to pass platform data to child
  * @i2c: i2c client private data for regulator
  * @rtc: i2c client private data for rtc
  * @iolock: mutex for serializing io access
@@ -39,6 +40,7 @@ enum sec_device_type {
  */
 struct sec_pmic_dev {
         struct device *dev;
+        struct sec_platform_data *pdata;
         struct regmap *regmap;
         struct i2c_client *i2c;
         struct i2c_client *rtc;
@@ -82,11 +84,11 @@ struct sec_platform_data {
 
         int                             buck_gpios[3];
         int                             buck_ds[3];
-        int                             buck2_voltage[8];
+        unsigned int                    buck2_voltage[8];
         bool                            buck2_gpiodvs;
-        int                             buck3_voltage[8];
+        unsigned int                    buck3_voltage[8];
         bool                            buck3_gpiodvs;
-        int                             buck4_voltage[8];
+        unsigned int                    buck4_voltage[8];
         bool                            buck4_gpiodvs;
 
         int                             buck_set1;
@@ -127,6 +129,7 @@ struct sec_platform_data {
 struct sec_regulator_data {
         int                             id;
         struct regulator_init_data      *initdata;
+        struct device_node *reg_node;
 };
 
 /*
@@ -136,7 +139,7 @@ struct sec_regulator_data {
  */
 struct sec_opmode_data {
         int id;
-        int mode;
+        unsigned int mode;
 };
 
 /*