diff mbox

[v4,2/3] ARM: dts: Add Peach Pi dts entry for Atmel touchpad

Message ID 1410348691-18317-3-git-send-email-javier.martinez@collabora.co.uk (mailing list archive)
State New, archived
Headers show

Commit Message

Javier Martinez Canillas Sept. 10, 2014, 11:31 a.m. UTC
The Peach Pi board has an Atmel maXTouch trackpad device.
Add the needed Device Tree nodes to support it.

This Device Tree change is based on the Chrome OS 3.8 tree
but adapted to use the mainline Atmel maXTouch DT binding.

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

Changes since v3: None, new patch.

 arch/arm/boot/dts/exynos5800-peach-pi.dts | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

Comments

Dmitry Torokhov Sept. 10, 2014, 10:26 p.m. UTC | #1
On Wed, Sep 10, 2014 at 01:31:30PM +0200, Javier Martinez Canillas wrote:
> The Peach Pi board has an Atmel maXTouch trackpad device.
> Add the needed Device Tree nodes to support it.
> 
> This Device Tree change is based on the Chrome OS 3.8 tree
> but adapted to use the mainline Atmel maXTouch DT binding.
> 
> Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>

This one looks fine to me as well.

Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Thanks.
diff mbox

Patch

diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
index 88b3544..025a095 100644
--- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
@@ -505,6 +505,27 @@ 
 	};
 };
 
+&hsi2c_8 {
+	status = "okay";
+	clock-frequency = <333000>;
+	/* Atmel mXT540S */
+	trackpad@4b {
+		compatible = "atmel,maxtouch";
+		reg = <0x4b>;
+		interrupt-parent = <&gpx1>;
+		interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
+		wakeup-source;
+		pinctrl-names = "default";
+		pinctrl-0 = <&trackpad_irq>;
+		linux,gpio-keymap = <KEY_RESERVED
+				     KEY_RESERVED
+				     KEY_RESERVED	/* GPIO 0 */
+				     KEY_RESERVED	/* GPIO 1 */
+				     BTN_LEFT		/* GPIO 2 */
+				     KEY_RESERVED>;	/* GPIO 3 */
+	};
+};
+
 &hsi2c_9 {
 	status = "okay";
 	clock-frequency = <400000>;
@@ -589,6 +610,13 @@ 
 		samsung,pin-drv = <0>;
 	};
 
+	trackpad_irq: trackpad-irq {
+		samsung,pins = "gpx1-1";
+		samsung,pin-function = <0xf>;
+		samsung,pin-pud = <0>;
+		samsung,pin-drv = <0>;
+	};
+
 	power_key_irq: power-key-irq {
 		samsung,pins = "gpx1-2";
 		samsung,pin-function = <0>;