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-rw-r--r--include/linux/power/max17042_battery.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/include/linux/power/max17042_battery.h b/include/linux/power/max17042_battery.h
index 67eeada7107..e01b167e66f 100644
--- a/include/linux/power/max17042_battery.h
+++ b/include/linux/power/max17042_battery.h
@@ -27,6 +27,8 @@
#define MAX17042_BATTERY_FULL (100)
#define MAX17042_DEFAULT_SNS_RESISTOR (10000)
+#define MAX17042_CHARACTERIZATION_DATA_SIZE 48
+
enum max17042_register {
MAX17042_STATUS = 0x00,
MAX17042_VALRT_Th = 0x01,
@@ -124,10 +126,64 @@ struct max17042_reg_data {
u16 data;
};
+struct max17042_config_data {
+ /* External current sense resistor value in milli-ohms */
+ u32 cur_sense_val;
+
+ /* A/D measurement */
+ u16 tgain; /* 0x2C */
+ u16 toff; /* 0x2D */
+ u16 cgain; /* 0x2E */
+ u16 coff; /* 0x2F */
+
+ /* Alert / Status */
+ u16 valrt_thresh; /* 0x01 */
+ u16 talrt_thresh; /* 0x02 */
+ u16 soc_alrt_thresh; /* 0x03 */
+ u16 config; /* 0x01D */
+ u16 shdntimer; /* 0x03F */
+
+ /* App data */
+ u16 design_cap; /* 0x18 */
+ u16 ichgt_term; /* 0x1E */
+
+ /* MG3 config */
+ u16 at_rate; /* 0x04 */
+ u16 learn_cfg; /* 0x28 */
+ u16 filter_cfg; /* 0x29 */
+ u16 relax_cfg; /* 0x2A */
+ u16 misc_cfg; /* 0x2B */
+ u16 masksoc; /* 0x32 */
+
+ /* MG3 save and restore */
+ u16 fullcap; /* 0x10 */
+ u16 fullcapnom; /* 0x23 */
+ u16 socempty; /* 0x33 */
+ u16 lavg_empty; /* 0x36 */
+ u16 dqacc; /* 0x45 */
+ u16 dpacc; /* 0x46 */
+
+ /* Cell technology from power_supply.h */
+ u16 cell_technology;
+
+ /* Cell Data */
+ u16 vempty; /* 0x12 */
+ u16 temp_nom; /* 0x24 */
+ u16 temp_lim; /* 0x25 */
+ u16 fctc; /* 0x37 */
+ u16 rcomp0; /* 0x38 */
+ u16 tcompc0; /* 0x39 */
+ u16 empty_tempco; /* 0x3A */
+ u16 kempty0; /* 0x3B */
+ u16 cell_char_tbl[MAX17042_CHARACTERIZATION_DATA_SIZE];
+} __packed;
+
struct max17042_platform_data {
struct max17042_reg_data *init_data;
+ struct max17042_config_data *config_data;
int num_init_data; /* Number of enties in init_data array */
bool enable_current_sense;
+ bool enable_por_init; /* Use POR init from Maxim appnote */
/*
* R_sns in micro-ohms.