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ARM: dts: exynos: Add pinctrl config for Midas keys 

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 <simon@lineageos.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
This commit is contained in:
Simon Shields 2018-07-21 22:50:50 +10:00 committed by Krzysztof Kozlowski
parent 43efe4fab7
commit 492413dd6d
1 changed files with 7 additions and 0 deletions
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7
arch/arm/boot/dts/exynos4412-midas.dtsi
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@ -94,6 +94,8 @@ vcc18mhl: voltage-regulator-5 {
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&gpio_keys>;
key-down {
gpios = <&gpx3 3 GPIO_ACTIVE_LOW>;
@ -1009,6 +1011,11 @@ &pinctrl_1 {
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>;