diff options
| -rw-r--r-- | arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi | 4 | ||||
| -rw-r--r-- | arch/arm/boot/dts/exynos4412-midas.dtsi | 29 | ||||
| -rw-r--r-- | arch/arm/boot/dts/exynos4412-n710x.dts | 4 |
3 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi b/arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi index ce87d2ff27aa..e71f103ab940 100644 --- a/arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi +++ b/arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi @@ -166,5 +166,9 @@ &s5c73m3 { standby-gpios = <&gpm0 1 GPIO_ACTIVE_LOW>; /* ISP_STANDBY */ vdda-supply = <&ldo17_reg>; +}; + +&touchkey_reg { + gpio = <&gpm0 0 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/exynos4412-midas.dtsi b/arch/arm/boot/dts/exynos4412-midas.dtsi index 83be3a797411..797e8de40580 100644 --- a/arch/arm/boot/dts/exynos4412-midas.dtsi +++ b/arch/arm/boot/dts/exynos4412-midas.dtsi @@ -13,6 +13,7 @@ #include "exynos4412.dtsi" #include "exynos4412-ppmu-common.dtsi" #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/clock/maxim,max77686.h> #include <dt-bindings/pinctrl/samsung.h> @@ -92,6 +93,15 @@ enable-active-high; }; + touchkey_reg: voltage-regulator-4 { + compatible = "regulator-fixed"; + regulator-name = "VTOUCH_3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + enable-active-high; + status = "disabled"; + }; + gpio-keys { compatible = "gpio-keys"; pinctrl-names = "default"; @@ -197,6 +207,25 @@ }; }; + i2c_touchkey: i2c-gpio-4 { + compatible = "i2c-gpio"; + sda-gpios = <&gpl0 2 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + scl-gpios = <&gpl0 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + i2c-gpio,delay-us = <2>; + #address-cells = <1>; + #size-cells = <0>; + + touchkey@20 { + compatible = "cypress,midas-touchkey"; + reg = <0x20>; + vdd-supply = <&touchkey_reg>; + vcc-supply = <&ldo5_reg>; + interrupt-parent = <&gpj0>; + interrupts = <3 IRQ_TYPE_EDGE_FALLING>; + linux,keycodes = <KEY_BACK KEY_MENU>; + }; + }; + i2c-mhl { compatible = "i2c-gpio"; gpios = <&gpf0 4 GPIO_ACTIVE_HIGH>, <&gpf0 6 GPIO_ACTIVE_HIGH>; diff --git a/arch/arm/boot/dts/exynos4412-n710x.dts b/arch/arm/boot/dts/exynos4412-n710x.dts index fe2bfd76cc4e..6acb19d2bae2 100644 --- a/arch/arm/boot/dts/exynos4412-n710x.dts +++ b/arch/arm/boot/dts/exynos4412-n710x.dts @@ -71,5 +71,9 @@ &s5c73m3 { standby-gpios = <&gpm0 6 GPIO_ACTIVE_LOW>; /* ISP_STANDBY */ vdda-supply = <&cam_vdda_reg>; +}; + +&touchkey_reg { + gpio = <&gpm0 5 GPIO_ACTIVE_HIGH>; status = "okay"; }; |