arm64: dts: ti: j722s-evm: Add MUX to control CSI2RX

J722S EVM has the CSI2RX routed to a MIPI CSI connector and to 22-pin RPi
camera connector through an analog mux with GPIO control, model mux so
that an overlay can control the mux state according to connected cameras.

Signed-off-by: Yemike Abhilash Chandra <[email protected]>
Reviewed-by: Udit Kumar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Nishanth Menon <[email protected]>

Author: Yemike-Abhilash-Chandra

arch/arm64/boot/dts/ti/k3-j722s-evm.dts

@@ -266,6 +266,20 @@
 		max-bitrate = <5000000>;
 		standby-gpios = <&exp1 17 GPIO_ACTIVE_HIGH>;
 	};
+
+	csi01_mux: mux-controller-0 {
+		compatible = "gpio-mux";
+		#mux-state-cells = <1>;
+		mux-gpios = <&exp1 6 GPIO_ACTIVE_HIGH>;
+		idle-state = <0>;
+	};
+
+	csi23_mux: mux-controller-1 {
+		compatible = "gpio-mux";
+		#mux-state-cells = <1>;
+		mux-gpios = <&exp1 7 GPIO_ACTIVE_HIGH>;
+		idle-state = <0>;
+	};
 };
 
 &main_pmx0 {