2 files changed, 26 insertions, 2 deletions

diff --git a/include/linux/mfd/max8997-private.h b/include/linux/mfd/max8997-private.h
index 93a9477e075f..69d1010e2e51 100644
--- a/include/linux/mfd/max8997-private.h
+++ b/include/linux/mfd/max8997-private.h
@@ -24,6 +24,8 @@
 
 #include <linux/i2c.h>
 
+#define MAX8997_REG_INVALID     (0xff)
+
 enum max8997_pmic_reg {
         MAX8997_REG_PMIC_ID0    = 0x00,
         MAX8997_REG_PMIC_ID1    = 0x01,
@@ -313,6 +315,7 @@ enum max8997_irq {
 #define MAX8997_REG_BUCK2DVS(x) (MAX8997_REG_BUCK2DVS1 + (x) - 1)
 #define MAX8997_REG_BUCK5DVS(x) (MAX8997_REG_BUCK5DVS1 + (x) - 1)
 
+#define MAX8997_NUM_GPIO        12
 struct max8997_dev {
         struct device *dev;
         struct i2c_client *i2c; /* 0xcc / PMIC, Battery Control, and FLASH */
@@ -324,11 +327,19 @@ struct max8997_dev {
         int type;
         struct platform_device *battery; /* battery control (not fuel gauge) */
 
+        int irq;
+        int ono;
+        int irq_base;
         bool wakeup;
+        struct mutex irqlock;
+        int irq_masks_cur[MAX8997_IRQ_GROUP_NR];
+        int irq_masks_cache[MAX8997_IRQ_GROUP_NR];
 
         /* For hibernation */
         u8 reg_dump[MAX8997_REG_PMIC_END + MAX8997_MUIC_REG_END +
                 MAX8997_HAPTIC_REG_END];
+
+        bool gpio_status[MAX8997_NUM_GPIO];
 };
 
 enum max8997_types {
@@ -336,6 +347,10 @@ enum max8997_types {
         TYPE_MAX8966,
 };
 
+extern int max8997_irq_init(struct max8997_dev *max8997);
+extern void max8997_irq_exit(struct max8997_dev *max8997);
+extern int max8997_irq_resume(struct max8997_dev *max8997);
+
 extern int max8997_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest);
 extern int max8997_bulk_read(struct i2c_client *i2c, u8 reg, int count,
                                 u8 *buf);
@@ -344,4 +359,10 @@ extern int max8997_bulk_write(struct i2c_client *i2c, u8 reg, int count,
                                 u8 *buf);
 extern int max8997_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask);
 
+#define MAX8997_GPIO_INT_BOTH   (0x3 << 4)
+#define MAX8997_GPIO_INT_RISE   (0x2 << 4)
+#define MAX8997_GPIO_INT_FALL   (0x1 << 4)
+
+#define MAX8997_GPIO_INT_MASK   (0x3 << 4)
+#define MAX8997_GPIO_DATA_MASK  (0x1 << 2)
 #endif /*  __LINUX_MFD_MAX8997_PRIV_H */
diff --git a/include/linux/mfd/max8997.h b/include/linux/mfd/max8997.h
index cb671b3451bf..60931d089422 100644
--- a/include/linux/mfd/max8997.h
+++ b/include/linux/mfd/max8997.h
@@ -78,8 +78,11 @@ struct max8997_regulator_data {
 };
 
 struct max8997_platform_data {
-        bool wakeup;
-        /* IRQ: Not implemented */
+        /* IRQ */
+        int irq_base;
+        int ono;
+        int wakeup;
+
         /* ---- PMIC ---- */
         struct max8997_regulator_data *regulators;
         int num_regulators;