mfd: Add subdevs in max8925

Add subdevs in MAX8925. MAX8925 includes regulator, backlight and touch
components.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 96 insertions, 0 deletions

diff --git a/include/linux/mfd/max8925.h b/include/linux/mfd/max8925.h
index 2326246ddef2..b72dbe174d51 100644
--- a/include/linux/mfd/max8925.h
+++ b/include/linux/mfd/max8925.h
@@ -14,6 +14,33 @@
 
 #include <linux/interrupt.h>
 
+/* Unified sub device IDs for MAX8925 */
+enum {
+        MAX8925_ID_SD1,
+        MAX8925_ID_SD2,
+        MAX8925_ID_SD3,
+        MAX8925_ID_LDO1,
+        MAX8925_ID_LDO2,
+        MAX8925_ID_LDO3,
+        MAX8925_ID_LDO4,
+        MAX8925_ID_LDO5,
+        MAX8925_ID_LDO6,
+        MAX8925_ID_LDO7,
+        MAX8925_ID_LDO8,
+        MAX8925_ID_LDO9,
+        MAX8925_ID_LDO10,
+        MAX8925_ID_LDO11,
+        MAX8925_ID_LDO12,
+        MAX8925_ID_LDO13,
+        MAX8925_ID_LDO14,
+        MAX8925_ID_LDO15,
+        MAX8925_ID_LDO16,
+        MAX8925_ID_LDO17,
+        MAX8925_ID_LDO18,
+        MAX8925_ID_LDO19,
+        MAX8925_ID_LDO20,
+};
+
 /* Charger registers */
 #define MAX8925_CHG_IRQ1                (0x7e)
 #define MAX8925_CHG_IRQ2                (0x7f)
@@ -32,12 +59,65 @@
 /* Touch registers */
 #define MAX8925_TSC_IRQ                 (0x00)
 #define MAX8925_TSC_IRQ_MASK            (0x01)
+#define MAX8925_ADC_RES_END             (0x6f)
 
 /* RTC registers */
 #define MAX8925_RTC_STATUS              (0x1a)
 #define MAX8925_RTC_IRQ                 (0x1c)
 #define MAX8925_RTC_IRQ_MASK            (0x1d)
 
+/* WLED registers */
+#define MAX8925_WLED_MODE_CNTL          (0x84)
+#define MAX8925_WLED_CNTL               (0x85)
+
+/* MAX8925 Registers */
+#define MAX8925_SDCTL1                  (0x04)
+#define MAX8925_SDCTL2                  (0x07)
+#define MAX8925_SDCTL3                  (0x0A)
+#define MAX8925_SDV1                    (0x06)
+#define MAX8925_SDV2                    (0x09)
+#define MAX8925_SDV3                    (0x0C)
+#define MAX8925_LDOCTL1                 (0x18)
+#define MAX8925_LDOCTL2                 (0x1C)
+#define MAX8925_LDOCTL3                 (0x20)
+#define MAX8925_LDOCTL4                 (0x24)
+#define MAX8925_LDOCTL5                 (0x28)
+#define MAX8925_LDOCTL6                 (0x2C)
+#define MAX8925_LDOCTL7                 (0x30)
+#define MAX8925_LDOCTL8                 (0x34)
+#define MAX8925_LDOCTL9                 (0x38)
+#define MAX8925_LDOCTL10                (0x3C)
+#define MAX8925_LDOCTL11                (0x40)
+#define MAX8925_LDOCTL12                (0x44)
+#define MAX8925_LDOCTL13                (0x48)
+#define MAX8925_LDOCTL14                (0x4C)
+#define MAX8925_LDOCTL15                (0x50)
+#define MAX8925_LDOCTL16                (0x10)
+#define MAX8925_LDOCTL17                (0x14)
+#define MAX8925_LDOCTL18                (0x72)
+#define MAX8925_LDOCTL19                (0x5C)
+#define MAX8925_LDOCTL20                (0x9C)
+#define MAX8925_LDOVOUT1                (0x1A)
+#define MAX8925_LDOVOUT2                (0x1E)
+#define MAX8925_LDOVOUT3                (0x22)
+#define MAX8925_LDOVOUT4                (0x26)
+#define MAX8925_LDOVOUT5                (0x2A)
+#define MAX8925_LDOVOUT6                (0x2E)
+#define MAX8925_LDOVOUT7                (0x32)
+#define MAX8925_LDOVOUT8                (0x36)
+#define MAX8925_LDOVOUT9                (0x3A)
+#define MAX8925_LDOVOUT10               (0x3E)
+#define MAX8925_LDOVOUT11               (0x42)
+#define MAX8925_LDOVOUT12               (0x46)
+#define MAX8925_LDOVOUT13               (0x4A)
+#define MAX8925_LDOVOUT14               (0x4E)
+#define MAX8925_LDOVOUT15               (0x52)
+#define MAX8925_LDOVOUT16               (0x12)
+#define MAX8925_LDOVOUT17               (0x16)
+#define MAX8925_LDOVOUT18               (0x74)
+#define MAX8925_LDOVOUT19               (0x5E)
+#define MAX8925_LDOVOUT20               (0x9E)
+
 /* bit definitions */
 #define CHG_IRQ1_MASK                   (0x07)
 #define CHG_IRQ2_MASK                   (0xff)
@@ -83,6 +163,8 @@ enum {
 #define MAX8925_IRQ_TSC_STICK           (0)
 #define MAX8925_IRQ_TSC_NSTICK          (1)
 
+#define MAX8925_MAX_REGULATOR           (23)
+
 struct max8925_irq {
         irq_handler_t           handler;
         void                    *data;
@@ -100,7 +182,21 @@ struct max8925_chip {
         int                     chip_irq;
 };
 
+struct max8925_backlight_pdata {
+        int     lxw_scl;        /* 0/1 -- 0.8Ohm/0.4Ohm */
+        int     lxw_freq;       /* 700KHz ~ 1400KHz */
+        int     dual_string;    /* 0/1 -- single/dual string */
+};
+
+struct max8925_touch_pdata {
+        unsigned int            flags;
+};
+
 struct max8925_platform_data {
+        struct max8925_backlight_pdata  *backlight;
+        struct max8925_touch_pdata      *touch;
+        struct regulator_init_data      *regulator[MAX8925_MAX_REGULATOR];
+
         int     chip_id;
         int     chip_irq;
 };