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authorPaul Cercueil <[email protected]>2023-12-06 23:15:55 +0100
committerKrzysztof Kozlowski <[email protected]>2023-12-08 20:39:33 +0100
commit6e73b11062b2e3e873666ba35577437502cf1dd2 (patch)
tree870755100b8d14c0493ec637bf736a45005f3647
parent84228d5e29dbc7a6be51e221000e1d122125826c (diff)
ARM: dts: samsung: exynos4210-i9100: Add node for touch keys
Add a Device Tree node to support the LED-backed "menu" and "back" keys. Signed-off-by: Paul Cercueil <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Krzysztof Kozlowski <[email protected]>
-rw-r--r--arch/arm/boot/dts/samsung/exynos4210-i9100.dts23
1 files changed, 22 insertions, 1 deletions
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 @@
};
};
+ 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 @@
regulator-name = "TOUCH_2.8V";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
- regulator-always-on;
};
vpll_reg: LDO10 {