This pins are externally pulled up, and so we should explicitly configure them to disable the SoC-internal pull-downs. Previously we relied on the bootloader doing this in order to allow the buttons to function properly.
Signed-off-by: Simon Shields <[email protected]> --- arch/arm/boot/dts/exynos4412-midas.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/boot/dts/exynos4412-midas.dtsi b/arch/arm/boot/dts/exynos4412-midas.dtsi index ee7cda1432f7..6f7b564905ab 100644 --- a/arch/arm/boot/dts/exynos4412-midas.dtsi +++ b/arch/arm/boot/dts/exynos4412-midas.dtsi @@ -112,6 +112,8 @@ gpio-keys { compatible = "gpio-keys"; + pinctrl-names = "default"; + pinctrl-0 = <&gpio_keys>; key-down { gpios = <&gpx3 3 GPIO_ACTIVE_LOW>; @@ -1126,6 +1128,11 @@ pinctrl-names = "default"; pinctrl-0 = <&sleep1>; + gpio_keys: gpio-keys { + samsung,pins = "gpx0-1", "gpx2-2", "gpx2-7", "gpx3-3"; + samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; + }; + max77693_irq: max77693-irq { samsung,pins = "gpx1-5"; samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; -- 2.18.0
