Droid4's touchscreen can be used with mainline's maxtouch
driver. The touchscreen's lower area is used for four soft
buttons (KEY_MENU, KEY_HOME, KEY_BACK, KEY_SEARCH), but that
is currently not supported by the mainline kernel.
Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>
---
arch/arm/boot/dts/omap4-droid4-xt894.dts | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm/boot/dts/omap4-droid4-xt894.dts b/arch/arm/boot/dts/omap4-droid4-xt894.dts
index 479cd5e5de83..364e98e66037 100644
--- a/arch/arm/boot/dts/omap4-droid4-xt894.dts
+++ b/arch/arm/boot/dts/omap4-droid4-xt894.dts
@@ -191,6 +191,20 @@
power = <50>;
};
+&i2c2 {
+ atmxt: touchscreen@4a {
+ compatible = "atmel,maxtouch";
+ reg = <0x4a>;
+
+ interrupt-parent = <&gpio6>;
+ interrupts = <23 IRQ_TYPE_LEVEL_LOW>; /* gpio183 */
+
+ reset-gpios = <&gpio6 13 GPIO_ACTIVE_HIGH>; /* gpio173 */
+
+ /* TODO: touchscreen has 4 soft buttons */
+ };
+};
+
&i2c4 {
ak8975: magnetometer@c {
compatible = "asahi-kasei,ak8975";
--
2.11.0
--
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