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-rw-r--r--drivers/power/supply/axp20x_battery.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/power/supply/axp20x_battery.c b/drivers/power/supply/axp20x_battery.c
index 738470077f1f..e84b6e4da14a 100644
--- a/drivers/power/supply/axp20x_battery.c
+++ b/drivers/power/supply/axp20x_battery.c
@@ -49,6 +49,8 @@
#define AXP22X_CHRG_CTRL1_TGT_4_22V (1 << 5)
#define AXP22X_CHRG_CTRL1_TGT_4_24V (3 << 5)
+#define AXP813_CHRG_CTRL1_TGT_4_35V (3 << 5)
+
#define AXP20X_CHRG_CTRL1_TGT_CURR GENMASK(3, 0)
#define AXP20X_V_OFF_MASK GENMASK(2, 0)
@@ -133,6 +135,35 @@ static int axp22x_battery_get_max_voltage(struct axp20x_batt_ps *axp20x_batt,
return 0;
}
+static int axp813_battery_get_max_voltage(struct axp20x_batt_ps *axp20x_batt,
+ int *val)
+{
+ int ret, reg;
+
+ ret = regmap_read(axp20x_batt->regmap, AXP20X_CHRG_CTRL1, &reg);
+ if (ret)
+ return ret;
+
+ switch (reg & AXP20X_CHRG_CTRL1_TGT_VOLT) {
+ case AXP20X_CHRG_CTRL1_TGT_4_1V:
+ *val = 4100000;
+ break;
+ case AXP20X_CHRG_CTRL1_TGT_4_15V:
+ *val = 4150000;
+ break;
+ case AXP20X_CHRG_CTRL1_TGT_4_2V:
+ *val = 4200000;
+ break;
+ case AXP813_CHRG_CTRL1_TGT_4_35V:
+ *val = 4350000;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int axp20x_get_constant_charge_current(struct axp20x_batt_ps *axp,
int *val)
{
@@ -491,6 +522,14 @@ static const struct axp_data axp221_data = {
.set_max_voltage = axp22x_battery_set_max_voltage,
};
+static const struct axp_data axp813_data = {
+ .ccc_scale = 200000,
+ .ccc_offset = 200000,
+ .has_fg_valid = true,
+ .get_max_voltage = axp813_battery_get_max_voltage,
+ .set_max_voltage = axp20x_battery_set_max_voltage,
+};
+
static const struct of_device_id axp20x_battery_ps_id[] = {
{
.compatible = "x-powers,axp209-battery-power-supply",
@@ -498,6 +537,9 @@ static const struct of_device_id axp20x_battery_ps_id[] = {
}, {
.compatible = "x-powers,axp221-battery-power-supply",
.data = (void *)&axp221_data,
+ }, {
+ .compatible = "x-powers,axp813-battery-power-supply",
+ .data = (void *)&axp813_data,
}, { /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, axp20x_battery_ps_id);