arm64: dts: ti: k3-j722s-evm: Add camera peripherals

J722S EVM has four RPi camera connectors and dual MIPI Samtec CSI
connectors which bring out the 4 x CSI2RX instances and the I2C camera
control interfaces. Add the nodes for PCA9543 I2C switch and enable them.

J722S EVM schematics: https://www.ti.com/lit/pdf/sprujb5

Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
Reviewed-by: Yemike Abhilash Chandra <y-abhilashchandra@ti.com>
Link: https://lore.kernel.org/r/20250218185452.600797-4-vaishnav.a@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
index adee69607fdbf5e5a1c8061d4e92b36ae5ff1dfc..2127316f36a34baf2bccce4d073945a51cefcdd7 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
@@ -263,6 +263,13 @@
                bootph-all;
        };
 
+       main_i2c2_pins_default: main-i2c2-default-pins {
+               pinctrl-single,pins = <
+                       J722S_IOPAD(0x00b0, PIN_INPUT_PULLUP, 1) /* (P22) GPMC0_CSn2.I2C2_SCL */
+                       J722S_IOPAD(0x00b4, PIN_INPUT_PULLUP, 1) /* (P23) GPMC0_CSn3.I2C2_SDA */
+               >;
+       };
+
        main_uart0_pins_default: main-uart0-default-pins {
                pinctrl-single,pins = <
                        J722S_IOPAD(0x01c8, PIN_INPUT, 0)       /* (A22) UART0_RXD */
@@ -631,6 +638,27 @@
        };
 };
 
+&main_i2c2 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&main_i2c2_pins_default>;
+       clock-frequency = <400000>;
+
+       pca9543_0: i2c-mux@70 {
+               compatible = "nxp,pca9543";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               reg = <0x70>;
+       };
+
+       pca9543_1: i2c-mux@71 {
+               compatible = "nxp,pca9543";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               reg = <0x71>;
+       };
+};
+
 &ospi0 {
        pinctrl-names = "default";
        pinctrl-0 = <&ospi0_pins_default>;