Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt b/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt
new file mode 100644
index 000000000..41916f699
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt
@@ -0,0 +1,20 @@
+AXP20x and AXP22x battery power supply
+
+Required Properties:
+ - compatible, one of:
+			"x-powers,axp209-battery-power-supply"
+			"x-powers,axp221-battery-power-supply"
+			"x-powers,axp813-battery-power-supply"
+
+This node is a subnode of its respective PMIC DT node.
+
+The supported devices can read the battery voltage, charge and discharge
+currents of the battery by reading ADC channels from the ADC.
+
+Example:
+
+&axp209 {
+	battery_power_supply: battery-power-supply {
+		compatible = "x-powers,axp209-battery-power-supply";
+	}
+};