ARM: dts: imx6qdl-sabresd: add egalax touch screen support on i2c2 bus

Add egalax touch screen support on i2c2 bus, it is connected
to LVDS0, while the existing one on i2c3 bus is connected to
LVDS1.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
index 6e46a19..d7389b5 100644 (file)
--- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
@@ -272,6 +272,16 @@
        pinctrl-0 = <&pinctrl_i2c2>;
        status = "okay";
 
+       touchscreen@4 {
+               compatible = "eeti,egalax_ts";
+               reg = <0x04>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_i2c2_egalax_int>;
+               interrupt-parent = <&gpio6>;
+               interrupts = <8 IRQ_TYPE_EDGE_FALLING>;
+               wakeup-gpios = <&gpio6 8 GPIO_ACTIVE_HIGH>;
+       };
+
        ov5640: camera@3c {
                compatible = "ovti,ov5640";
                pinctrl-names = "default";
@@ -498,6 +508,12 @@
                        >;
                };
 
+               pinctrl_i2c2_egalax_int: i2c2egalaxintgrp {
+                       fsl,pins = <
+                               MX6QDL_PAD_NANDF_ALE__GPIO6_IO08        0x1b0b0
+                       >;
+               };
+
                pinctrl_i2c3: i2c3grp {
                        fsl,pins = <
                                MX6QDL_PAD_GPIO_3__I2C3_SCL             0x4001b8b1