arm64: dts: imx8dxl-evk: add i2c3 and its children nodes

Add i2c3 bus node. Add i2c gpio expandor pca6416 and i2c mux pca9548.

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

diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
index b972658efb1769777f7436d38e54d770cc4f9674..44da3cc331d84574dc9ddfc72ee44623fe05fd1c 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
@@ -261,6 +261,61 @@
        };
 };
 
+&i2c3 {
+       #address-cells = <1>;
+       #size-cells = <0>;
+       clock-frequency = <100000>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_i2c3>;
+       status = "okay";
+
+       pca6416_3: gpio@20 {
+               compatible = "ti,tca6416";
+               reg = <0x20>;
+               gpio-controller;
+               #gpio-cells = <2>;
+               interrupt-parent = <&lsio_gpio2>;
+               interrupts = <5 IRQ_TYPE_EDGE_RISING>;
+       };
+
+       pca9548_2: i2c-mux@70 {
+               compatible = "nxp,pca9548";
+               reg = <0x70>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               i2c@0 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0x0>;
+               };
+
+               i2c@1 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0x1>;
+               };
+
+               i2c@2 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0x2>;
+               };
+
+               i2c@3 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0x3>;
+               };
+
+               i2c@4 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0x4>;
+               };
+       };
+};
+
 &lpuart0 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_lpuart0>;