MLK-11829-1 ARM: dts: imx6sx-sdb: add egalax touch screen support

Add i2c2 bus and add egalax touch screen support on imx6sx-sdb board.

Signed-off-by: Haibo Chen <haibo.chen@freescale.com>

diff --git a/arch/arm/boot/dts/imx6sx-sdb.dtsi b/arch/arm/boot/dts/imx6sx-sdb.dtsi
index b4bc927..f19cf7b 100644 (file)
--- a/arch/arm/boot/dts/imx6sx-sdb.dtsi
+++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi
@@ -416,6 +416,23 @@
        };
 };
 
+&i2c2 {
+       clock-frequency = <100000>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_i2c2>;
+       status = "okay";
+
+       egalax_ts@04 {
+               compatible = "eeti,egalax_ts";
+               reg = <0x04>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_egalax_int>;
+               interrupt-parent = <&gpio4>;
+               interrupts = <19 2>;
+               wakeup-gpios = <&gpio4 19 GPIO_ACTIVE_HIGH>;
+       };
+};
+
 &i2c3 {
        clock-frequency = <100000>;
        pinctrl-names = "default";
@@ -689,6 +706,12 @@
                        >;
                };
 
+               pinctrl_egalax_int: egalax_intgrp {
+                       fsl,pins = <
+                               MX6SX_PAD_QSPI1A_DATA3__GPIO4_IO_19 0x80000000
+                       >;
+               };
+
                pinctrl_enet1: enet1grp {
                        fsl,pins = <
                                MX6SX_PAD_ENET1_MDIO__ENET1_MDIO        0xa0b1
@@ -746,6 +769,13 @@
                        >;
                };
 
+               pinctrl_i2c2: i2c2grp {
+                       fsl,pins = <
+                               MX6SX_PAD_GPIO1_IO03__I2C2_SDA 0x4001b8b1
+                               MX6SX_PAD_GPIO1_IO02__I2C2_SCL 0x4001b8b1
+                       >;
+               };
+
                pinctrl_i2c3: i2c3grp {
                        fsl,pins = <
                                MX6SX_PAD_KEY_ROW4__I2C3_SDA            0x4001b8b1