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path: root/drivers/power/supply/axp20x_battery.c
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Diffstat (limited to 'drivers/power/supply/axp20x_battery.c')
-rw-r--r--drivers/power/supply/axp20x_battery.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/power/supply/axp20x_battery.c b/drivers/power/supply/axp20x_battery.c
index 3c3158f31a48..50ca8e110085 100644
--- a/drivers/power/supply/axp20x_battery.c
+++ b/drivers/power/supply/axp20x_battery.c
@@ -89,6 +89,8 @@
#define AXP717_BAT_CC_MIN_UA 0
#define AXP717_BAT_CC_MAX_UA 3008000
+#define AXP717_TS_PIN_DISABLE BIT(4)
+
struct axp20x_batt_ps;
struct axp_data {
@@ -117,6 +119,7 @@ struct axp20x_batt_ps {
/* Maximum constant charge current */
unsigned int max_ccc;
const struct axp_data *data;
+ bool ts_disable;
};
static int axp20x_battery_get_max_voltage(struct axp20x_batt_ps *axp20x_batt,
@@ -984,6 +987,24 @@ static void axp717_set_battery_info(struct platform_device *pdev,
int ccc = info->constant_charge_current_max_ua;
int val;
+ axp_batt->ts_disable = (device_property_read_bool(axp_batt->dev,
+ "x-powers,no-thermistor"));
+
+ /*
+ * Under rare conditions an incorrectly programmed efuse for
+ * the temp sensor on the PMIC may trigger a fault condition.
+ * Allow users to hard-code if the ts pin is not used to work
+ * around this problem. Note that this requires the battery
+ * be correctly defined in the device tree with a monitored
+ * battery node.
+ */
+ if (axp_batt->ts_disable) {
+ regmap_update_bits(axp_batt->regmap,
+ AXP717_TS_PIN_CFG,
+ AXP717_TS_PIN_DISABLE,
+ AXP717_TS_PIN_DISABLE);
+ }
+
if (vmin > 0 && axp717_set_voltage_min_design(axp_batt, vmin))
dev_err(&pdev->dev,
"couldn't set voltage_min_design\n");
@@ -1090,7 +1111,7 @@ static int axp20x_power_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, axp20x_batt);
psy_cfg.drv_data = axp20x_batt;
- psy_cfg.of_node = pdev->dev.of_node;
+ psy_cfg.fwnode = dev_fwnode(&pdev->dev);
axp20x_batt->data = (struct axp_data *)of_device_get_match_data(dev);