From 71e21bd4ce655ab3b1b3c99ace68b6c284348f2c Mon Sep 17 00:00:00 2001 From: Andreas Faerber Date: Sat, 22 Nov 2014 23:31:13 +0900 Subject: [PATCH] ARM: dts: Add trackpad to exynos5250-spring The HP Chromebook 11 uses an Atmel maXTouch as trackpad. The keymap was found by trial-and-error. Signed-off-by: Andreas Faerber Reviewed-by: Javier Martinez Canillas Signed-off-by: Kukjin Kim --- 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..f02775487cd4 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>; -- 2.34.1