The tablet has a charger LED exposed on the top. This LED is controlled by AXP813 PMIC. Add support for enabling the LED and using it either for charging indication (handled by PMIC automatically) or for other uses via user control. Please take a look. thank you and regards, Ondrej Jirman Ondrej Jirman (4): dt-bindings: leds: Add a binding for AXP813 charger led leds: axp20x: Support charger LED on AXP20x like PMICs ARM: dts: axp813: Add charger LED ARM: dts: sun8i-a83t-tbs-a711: Enable charging LED .../devicetree/bindings/leds/leds-axp20x.yaml | 24 ++ arch/arm/boot/dts/axp81x.dtsi | 5 + arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts | 4 + drivers/leds/Kconfig | 7 + drivers/leds/Makefile | 1 + drivers/leds/leds-axp20x.c | 240 ++++++++++++++++++ drivers/mfd/axp20x.c | 3 + 7 files changed, 284 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-axp20x.yaml create mode 100644 drivers/leds/leds-axp20x.c -- 2.25.1