mfd: MAX8998/LP3974 hibernation support

[firefly-linux-kernel-4.4.55.git] / include / linux / mfd / max8998-private.h

diff --git a/include/linux/mfd/max8998-private.h b/include/linux/mfd/max8998-private.h
index 3bd2371a05f7ac0ddffd20e13844ce3e88e94d0e..effa5d3b96ae8f524d4fdce7b744ac8f4bd9f977 100644 (file)
--- a/include/linux/mfd/max8998-private.h
+++ b/include/linux/mfd/max8998-private.h
@@ -48,12 +48,12 @@ enum {
        MAX8998_REG_ONOFF2,
        MAX8998_REG_ONOFF3,
        MAX8998_REG_ONOFF4,
-       MAX8998_REG_BUCK1_DVSARM1,
-       MAX8998_REG_BUCK1_DVSARM2,
-       MAX8998_REG_BUCK1_DVSARM3,
-       MAX8998_REG_BUCK1_DVSARM4,
-       MAX8998_REG_BUCK2_DVSINT1,
-       MAX8998_REG_BUCK2_DVSINT2,
+       MAX8998_REG_BUCK1_VOLTAGE1,
+       MAX8998_REG_BUCK1_VOLTAGE2,
+       MAX8998_REG_BUCK1_VOLTAGE3,
+       MAX8998_REG_BUCK1_VOLTAGE4,
+       MAX8998_REG_BUCK2_VOLTAGE1,
+       MAX8998_REG_BUCK2_VOLTAGE2,
        MAX8998_REG_BUCK3,
        MAX8998_REG_BUCK4,
        MAX8998_REG_LDO2_LDO3,
@@ -101,6 +101,13 @@ enum {
        MAX8998_IRQ_NR,
 };
 
+/* MAX8998 various variants */
+enum {
+       TYPE_MAX8998 = 0, /* Default */
+       TYPE_LP3974,    /* National version of MAX8998 */
+       TYPE_LP3979,    /* Added AVS */
+};
+
 #define MAX8998_IRQ_DCINF_MASK         (1 << 2)
 #define MAX8998_IRQ_DCINR_MASK         (1 << 3)
 #define MAX8998_IRQ_JIGF_MASK          (1 << 4)
@@ -123,10 +130,13 @@ enum {
 #define MAX8998_IRQ_LOBAT1_MASK                (1 << 0)
 #define MAX8998_IRQ_LOBAT2_MASK                (1 << 1)
 
+#define MAX8998_ENRAMP                  (1 << 4)
+
 /**
  * struct max8998_dev - max8998 master device for sub-drivers
  * @dev: master device of the chip (can be used to access platform data)
- * @i2c: i2c client private data
+ * @i2c: i2c client private data for regulator
+ * @rtc: i2c client private data for rtc
  * @iolock: mutex for serializing io access
  * @irqlock: mutex for buslock
  * @irq_base: base IRQ number for max8998, required for IRQs
@@ -134,10 +144,12 @@ enum {
  * @ono: power onoff IRQ number for max8998
  * @irq_masks_cur: currently active value
  * @irq_masks_cache: cached hardware value
+ * @type: indicate which max8998 "variant" is used
  */
 struct max8998_dev {
        struct device *dev;
        struct i2c_client *i2c;
+       struct i2c_client *rtc;
        struct mutex iolock;
        struct mutex irqlock;
 
@@ -146,15 +158,20 @@ struct max8998_dev {
        int ono;
        u8 irq_masks_cur[MAX8998_NUM_IRQ_REGS];
        u8 irq_masks_cache[MAX8998_NUM_IRQ_REGS];
+       int type;
+       bool wakeup;
 };
 
 int max8998_irq_init(struct max8998_dev *max8998);
 void max8998_irq_exit(struct max8998_dev *max8998);
+int max8998_irq_resume(struct max8998_dev *max8998);
 
 extern int max8998_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest);
 extern int max8998_bulk_read(struct i2c_client *i2c, u8 reg, int count,
                u8 *buf);
 extern int max8998_write_reg(struct i2c_client *i2c, u8 reg, u8 value);
+extern int max8998_bulk_write(struct i2c_client *i2c, u8 reg, int count,
+               u8 *buf);
 extern int max8998_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask);
 
 #endif /*  __LINUX_MFD_MAX8998_PRIV_H */