diff options
Diffstat (limited to 'arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi index 0418f20d9f5b..7d2b95c6970f 100644 --- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi @@ -13,6 +13,7 @@ */ #include <dt-bindings/clock/samsung,s2mps11.h> +#include <dt-bindings/input/input.h> #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/sound/samsung-i2s.h> @@ -41,6 +42,27 @@ }; }; + gpio_keys { + compatible = "gpio-keys"; + pinctrl-names = "default"; + pinctrl-0 = <&power_key>; + + power_key { + /* + * The power button (SW2) is connected to the PWRON + * pin (active high) of the S2MPS11 PMIC, which acts + * as a 16ms debouce filter and signal inverter with + * output on ONOB pin (active low). ONOB PMIC pin is + * then connected to XEINT3 SoC pin. + */ + gpios = <&gpx0 3 GPIO_ACTIVE_LOW>; + linux,code = <KEY_POWER>; + label = "power key"; + debounce-interval = <0>; + wakeup-source; + }; + }; + emmc_pwrseq: pwrseq { pinctrl-0 = <&emmc_nrst_pin>; pinctrl-names = "default"; @@ -760,6 +782,13 @@ }; &pinctrl_0 { + power_key: power-key { + samsung,pins = "gpx0-3"; + samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>; + samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; + samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>; + }; + hdmi_hpd_irq: hdmi-hpd-irq { samsung,pins = "gpx3-7"; samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>; |