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mfd: axp20x: Add support for fuel gauge cell driver

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mfd/axp20x: add support for fuel gauge cell

Register definitions and platform data structure
for fuel gauge cell devices.

Signed-off-by: Todd Brandt <todd.e.brandt@intel.com>
Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Todd E Brandt 2015-01-07 13:25:52 -08:00 committed by Lee Jones
parent fef22cb414
commit 774e0b41d4
1 changed files with 41 additions and 2 deletions
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43
include/linux/mfd/axp20x.h
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@ -124,10 +124,27 @@ enum {
#define AXP288_PMIC_ADC_H 0x56
#define AXP288_PMIC_ADC_L 0x57
#define AXP288_ADC_TS_PIN_CTRL 0x84
#define AXP288_PMIC_ADC_EN 0x84
#define AXP288_FG_TUNE5 0xed
/* Fuel Gauge */
#define AXP288_FG_RDC1_REG 0xba
#define AXP288_FG_RDC0_REG 0xbb
#define AXP288_FG_OCVH_REG 0xbc
#define AXP288_FG_OCVL_REG 0xbd
#define AXP288_FG_OCV_CURVE_REG 0xc0
#define AXP288_FG_DES_CAP1_REG 0xe0
#define AXP288_FG_DES_CAP0_REG 0xe1
#define AXP288_FG_CC_MTR1_REG 0xe2
#define AXP288_FG_CC_MTR0_REG 0xe3
#define AXP288_FG_OCV_CAP_REG 0xe4
#define AXP288_FG_CC_CAP_REG 0xe5
#define AXP288_FG_LOW_CAP_REG 0xe6
#define AXP288_FG_TUNE0 0xe8
#define AXP288_FG_TUNE1 0xe9
#define AXP288_FG_TUNE2 0xea
#define AXP288_FG_TUNE3 0xeb
#define AXP288_FG_TUNE4 0xec
#define AXP288_FG_TUNE5 0xed
/* Regulators IDs */
enum {
@ -236,4 +253,26 @@ struct axp20x_dev {
const struct regmap_irq_chip *regmap_irq_chip;
};
#define BATTID_LEN 64
#define OCV_CURVE_SIZE 32
#define MAX_THERM_CURVE_SIZE 25
#define PD_DEF_MIN_TEMP 0
#define PD_DEF_MAX_TEMP 55
struct axp20x_fg_pdata {
char battid[BATTID_LEN + 1];
int design_cap;
int min_volt;
int max_volt;
int max_temp;
int min_temp;
int cap1;
int cap0;
int rdc1;
int rdc0;
int ocv_curve[OCV_CURVE_SIZE];
int tcsz;
int thermistor_curve[MAX_THERM_CURVE_SIZE][2];
};
#endif /* __LINUX_MFD_AXP20X_H */