The PEN2 line needs to be pulled up for the charger to enter high-current mode. Do this with a static pull on the GPIO. Signed-off-by: Daniel Mack <daniel@xxxxxxxxxx> --- arch/arm/boot/dts/pxa300-raumfeld-controller.dts | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/boot/dts/pxa300-raumfeld-controller.dts b/arch/arm/boot/dts/pxa300-raumfeld-controller.dts index e0e1f99c6b22..12b15945ac6d 100644 --- a/arch/arm/boot/dts/pxa300-raumfeld-controller.dts +++ b/arch/arm/boot/dts/pxa300-raumfeld-controller.dts @@ -41,6 +41,8 @@ }; charger: charger { + pinctrl-names = "default"; + pinctrl-0 = <&charger_pins>; compatible = "gpio-charger"; charger-type = "mains"; gpios = <&gpio 101 GPIO_ACTIVE_LOW>; @@ -237,6 +239,14 @@ pinctrl-single,low-power-mode = MFP_LPM(MFP_LPM_FLOAT); }; + charger_pins: charger_pins { + pinctrl-single,pins = < + MFP_PIN_PXA300(31) MFP_AF0 /* PEN2 */ + >; + pinctrl-single,low-power-mode = MFP_LPM(MFP_LPM_PULL_HIGH); + pinctrl-single,bias-pullup = MPF_PULL_UP; + }; + dock_detect_pins: dock_detect_pins { pinctrl-single,pins = < MFP_PIN_PXA300(116) MFP_AF0 /* DOCK_DETECT */ -- 2.20.1