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ARM: dts: Add trackpad to exynos5250-spring

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The HP Chromebook 11 uses an Atmel maXTouch as trackpad.
The keymap was found by trial-and-error.

Signed-off-by: Andreas Faerber <afaerber@suse.de>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Andreas Faerber 2014-11-22 23:31:13 +09:00 committed by Kukjin Kim
parent 69538f61e8
commit 71e21bd4ce
1 changed files with 23 additions and 0 deletions
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23
arch/arm/boot/dts/exynos5250-spring.dts
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@ -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 = <KEY_RESERVED
KEY_RESERVED
KEY_RESERVED
KEY_RESERVED
KEY_RESERVED
BTN_LEFT>;
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>;