ARM64: dts: add synaptics_dsx touch support for imx8mn

Enable the synaptics_dsx touch support when use rm67191 screen.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk-rm67191.dts b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk-rm67191.dts
index 91534a2..c7a97b0 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk-rm67191.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk-rm67191.dts
@@ -9,6 +9,19 @@
        status = "disabled";
 };
 
+&i2c2 {
+       synaptics_dsx_ts@20 {
+               compatible = "synaptics_dsx";
+               reg = <0x20>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_i2c2_synaptics_dsx_io>;
+               interrupt-parent = <&gpio1>;
+               interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
+               synaptics,diagonal-rotation;
+               status = "okay";
+       };
+};
+
 &mipi_dsi {
        panel@0 {
                compatible = "raydium,rm67191";

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
index a5c829f..ea7a765 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
@@ -527,6 +527,12 @@
                >;
        };
 
+       pinctrl_i2c2_synaptics_dsx_io: synaptics_dsx_iogrp {
+               fsl,pins = <
+                       MX8MN_IOMUXC_GPIO1_IO09_GPIO1_IO9               0x19
+               >;
+       };
+
        pinctrl_gpio_wlf: gpiowlfgrp {
                fsl,pins = <
                        MX8MN_IOMUXC_I2C4_SDA_GPIO5_IO21        0xd6