mfd: Add platform data for MAX8997 MUIC driver

Currently, MAX8997 device does not support MUIC function of it.
To add MAX8997 MUIC driver, header file should be updated.

Signed-off-by: Donggeun Kim <dg77.kim@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 57 insertions, 1 deletions

diff --git a/include/linux/mfd/max8997.h b/include/linux/mfd/max8997.h
index 0bbd13dbe336..49d2a0bfd7fe 100644
--- a/include/linux/mfd/max8997.h
+++ b/include/linux/mfd/max8997.h
@@ -77,6 +77,60 @@ struct max8997_regulator_data {
         struct regulator_init_data *initdata;
 };
 
+enum max8997_muic_usb_type {
+        MAX8997_USB_HOST,
+        MAX8997_USB_DEVICE,
+};
+
+enum max8997_muic_charger_type {
+        MAX8997_CHARGER_TYPE_NONE = 0,
+        MAX8997_CHARGER_TYPE_USB,
+        MAX8997_CHARGER_TYPE_DOWNSTREAM_PORT,
+        MAX8997_CHARGER_TYPE_DEDICATED_CHG,
+        MAX8997_CHARGER_TYPE_500MA,
+        MAX8997_CHARGER_TYPE_1A,
+        MAX8997_CHARGER_TYPE_DEAD_BATTERY = 7,
+};
+
+struct max8997_muic_reg_data {
+        u8 addr;
+        u8 data;
+};
+
+/**
+ * struct max8997_muic_platform_data
+ * @usb_callback: callback function for USB
+ *                inform callee of USB type (HOST or DEVICE)
+ *                and attached state(true or false)
+ * @charger_callback: callback function for charger
+ *                inform callee of charger_type
+ *                and attached state(true or false)
+ * @deskdock_callback: callback function for desk dock
+ *                inform callee of attached state(true or false)
+ * @cardock_callback: callback function for car dock
+ *                inform callee of attached state(true or false)
+ * @mhl_callback: callback function for MHL (Mobile High-definition Link)
+ *                inform callee of attached state(true or false)
+ * @uart_callback: callback function for JIG UART
+ *                 inform callee of attached state(true or false)
+ * @init_data: array of max8997_muic_reg_data
+ *             used for initializing registers of MAX8997 MUIC device
+ * @num_init_data: array size of init_data
+ */
+struct max8997_muic_platform_data {
+        void (*usb_callback)(enum max8997_muic_usb_type usb_type,
+                bool attached);
+        void (*charger_callback)(bool attached,
+                enum max8997_muic_charger_type charger_type);
+        void (*deskdock_callback) (bool attached);
+        void (*cardock_callback) (bool attached);
+        void (*mhl_callback) (bool attached);
+        void (*uart_callback) (bool attached);
+
+        struct max8997_muic_reg_data *init_data;
+        int num_init_data;
+};
+
 struct max8997_platform_data {
         /* IRQ */
         int irq_base;
@@ -113,7 +167,9 @@ struct max8997_platform_data {
         /* charge Full Timeout */
         int timeout; /* 0 (no timeout), 5, 6, 7 hours */
 
-        /* MUIC: Not implemented */
+        /* ---- MUIC ---- */
+        struct max8997_muic_platform_data *muic_pdata;
+
         /* HAPTIC: Not implemented */
         /* RTC: Not implemented */
         /* Flash: Not implemented */