Add a Device Tree node to support the LED-backed "menu" and "back" keys.
Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
---
.../arm/boot/dts/samsung/exynos4210-i9100.dts | 23 ++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/samsung/exynos4210-i9100.dts b/arch/arm/boot/dts/samsung/exynos4210-i9100.dts
index a076a1dfe41f..f03b03dbe9f2 100644
--- a/arch/arm/boot/dts/samsung/exynos4210-i9100.dts
+++ b/arch/arm/boot/dts/samsung/exynos4210-i9100.dts
@@ -184,6 +184,28 @@ s5k5bafx_ep: endpoint {
};
};
+ i2c-gpio-2 {
+ compatible = "i2c-gpio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sda-gpios = <&gpk1 2 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ scl-gpios = <&gpk1 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ i2c-gpio,delay-us = <2>;
+
+ touchscreen@20 {
+ compatible = "cypress,aries-touchkey";
+ reg = <0x20>;
+
+ interrupt-parent = <&gpl0>;
+ interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
+
+ vdd-supply = <&vtouchled_reg>;
+ vcc-supply = <&vtouch_reg>;
+ linux,keycodes = <KEY_MENU>, <KEY_BACK>;
+ };
+ };
+
spi-3 {
compatible = "spi-gpio";
#address-cells = <1>;
@@ -513,7 +535,6 @@ vtouch_reg: LDO11 {
regulator-name = "TOUCH_2.8V";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
- regulator-always-on;
};
vpll_reg: LDO10 {
--
2.42.0
