1 files changed, 91 insertions, 0 deletions

diff --git a/include/linux/power/max17042_battery.h b/include/linux/power/max17042_battery.h
index 7995deb8bfc1..fe99211fb2b8 100644
--- a/include/linux/power/max17042_battery.h
+++ b/include/linux/power/max17042_battery.h
@@ -23,8 +23,99 @@
 #ifndef __MAX17042_BATTERY_H_
 #define __MAX17042_BATTERY_H_
 
+#define MAX17042_STATUS_BattAbsent      (1 << 3)
+#define MAX17042_BATTERY_FULL   (100)
+#define MAX17042_DEFAULT_SNS_RESISTOR   (10000)
+
+enum max17042_register {
+        MAX17042_STATUS         = 0x00,
+        MAX17042_VALRT_Th       = 0x01,
+        MAX17042_TALRT_Th       = 0x02,
+        MAX17042_SALRT_Th       = 0x03,
+        MAX17042_AtRate         = 0x04,
+        MAX17042_RepCap         = 0x05,
+        MAX17042_RepSOC         = 0x06,
+        MAX17042_Age            = 0x07,
+        MAX17042_TEMP           = 0x08,
+        MAX17042_VCELL          = 0x09,
+        MAX17042_Current        = 0x0A,
+        MAX17042_AvgCurrent     = 0x0B,
+        MAX17042_Qresidual      = 0x0C,
+        MAX17042_SOC            = 0x0D,
+        MAX17042_AvSOC          = 0x0E,
+        MAX17042_RemCap         = 0x0F,
+        MAX17402_FullCAP        = 0x10,
+        MAX17042_TTE            = 0x11,
+        MAX17042_V_empty        = 0x12,
+
+        MAX17042_RSLOW          = 0x14,
+
+        MAX17042_AvgTA          = 0x16,
+        MAX17042_Cycles         = 0x17,
+        MAX17042_DesignCap      = 0x18,
+        MAX17042_AvgVCELL       = 0x19,
+        MAX17042_MinMaxTemp     = 0x1A,
+        MAX17042_MinMaxVolt     = 0x1B,
+        MAX17042_MinMaxCurr     = 0x1C,
+        MAX17042_CONFIG         = 0x1D,
+        MAX17042_ICHGTerm       = 0x1E,
+        MAX17042_AvCap          = 0x1F,
+        MAX17042_ManName        = 0x20,
+        MAX17042_DevName        = 0x21,
+        MAX17042_DevChem        = 0x22,
+
+        MAX17042_TempNom        = 0x24,
+        MAX17042_TempCold       = 0x25,
+        MAX17042_TempHot        = 0x26,
+        MAX17042_AIN            = 0x27,
+        MAX17042_LearnCFG       = 0x28,
+        MAX17042_SHFTCFG        = 0x29,
+        MAX17042_RelaxCFG       = 0x2A,
+        MAX17042_MiscCFG        = 0x2B,
+        MAX17042_TGAIN          = 0x2C,
+        MAx17042_TOFF           = 0x2D,
+        MAX17042_CGAIN          = 0x2E,
+        MAX17042_COFF           = 0x2F,
+
+        MAX17042_Q_empty        = 0x33,
+        MAX17042_T_empty        = 0x34,
+
+        MAX17042_RCOMP0         = 0x38,
+        MAX17042_TempCo         = 0x39,
+        MAX17042_Rx             = 0x3A,
+        MAX17042_T_empty0       = 0x3B,
+        MAX17042_TaskPeriod     = 0x3C,
+        MAX17042_FSTAT          = 0x3D,
+
+        MAX17042_SHDNTIMER      = 0x3F,
+
+        MAX17042_VFRemCap       = 0x4A,
+
+        MAX17042_QH             = 0x4D,
+        MAX17042_QL             = 0x4E,
+};
+
+/*
+ * used for setting a register to a desired value
+ * addr : address for a register
+ * data : setting value for the register
+ */
+struct max17042_reg_data {
+        u8 addr;
+        u16 data;
+};
+
 struct max17042_platform_data {
+        struct max17042_reg_data *init_data;
+        int num_init_data; /* Number of enties in init_data array */
         bool enable_current_sense;
+
+        /*
+         * R_sns in micro-ohms.
+         * default 10000 (if r_sns = 0) as it is the recommended value by
+         * the datasheet although it can be changed by board designers.
+         */
+        unsigned int r_sns;
 };
 
 #endif /* __MAX17042_BATTERY_H_ */