[PATCH v4 2/3] mfd/axp20x: add support for fuel gauge cell

Todd Brandt
2015-02-05T00:26:00Z

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

Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com>
---
include/linux/mfd/axp20x.h | 43 +++++++++++++++++++++++++++++++++++++++++--
1 file changed, 41 insertions(+), 2 deletions(-)

v4: same as v1-3 and is already accepted, re-included for continuity

diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h
index 81589d1..dfabd6d 100644
--- a/include/linux/mfd/axp20x.h
+++ b/include/linux/mfd/axp20x.h
@@ -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 */
--
2.1.0