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[4/4] ARM: dts: Add trackpad to exynos5250-spring

Message ID 1416412585-10809-5-git-send-email-afaerber@suse.de
State New
Headers show

Commit Message

Andreas Färber Nov. 19, 2014, 3:56 p.m. UTC 
The HP Chromebook 11 uses an Atmel maXTouch as trackpad.
The keymap was found by trial-and-error.

Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 arch/arm/boot/dts/exynos5250-spring.dts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

Comments

Javier Martinez Canillas Nov. 19, 2014, 5:13 p.m. UTC | #1 
Hello Andreas,

On 11/19/2014 04:56 PM, Andreas Färber wrote:
> The HP Chromebook 11 uses an Atmel maXTouch as trackpad.
> The keymap was found by trial-and-error.
> 
> Signed-off-by: Andreas Färber <afaerber@suse.de>

Patch looks good to me.

Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>

Best regards,
Javier
diff mbox

Patch

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 = <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>;