The HP Chromebook 11 uses an Atmel maXTouch as trackpad.
The keymap was found by trial-and-error.
Signed-off-by: Andreas Färber
---
arch/arm/boot/dts/exynos5250-spring.dts | 23 +++
1 file changed, 23 insertions(+)
diff --git a/arch/arm/boot/dts/exynos5250-spring.dts
b/arch/arm/boot/dts/exynos5250-spring.dts
index cc3361afba49..2fa207c9e5e2 100644
--- a/arch/arm/boot/dts/exynos5250-spring.dts
+++ b/arch/arm/boot/dts/exynos5250-spring.dts
@@ -330,6 +330,22 @@
status = "okay";
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <378000>;
+
+ trackpad@4b {
+ compatible = "atmel,maxtouch";
+ reg = <0x4b>;
+ interrupt-parent = <&gpx1>;
+ interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&trackpad_irq>;
+ linux,gpio-keymap = ;
+ wakeup-source;
+ };
};
/*
@@ -465,6 +481,13 @@
samsung,pin-drv = <0>;
};
+ trackpad_irq: trackpad-irq {
+ samsung,pins = "gpx1-2";
+ samsung,pin-function = <0xf>;
+ samsung,pin-pud = <0>;
+ samsung,pin-drv = <0>;
+ };
+
power_key_irq: power-key-irq {
samsung,pins = "gpx1-3";
samsung,pin-function = <0>;
--
2.1.2
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