arm64: dts: ti: k3-j784s4-evm: Enable camera peripherals

CSI cameras are controlled using I2C. On J784S4 EVM, this is routed
to I2C-5, so enable the instance and the TCA6408 GPIO expander
on the bus.

J784S4 EVM schematics: https://www.ti.com/lit/zip/sprr458Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
Reviewed-by: Jai Luthra <j-luthra@ti.com>
Link: https://lore.kernel.org/r/20240215085518.552692-3-vaishnav.a@ti.comSigned-off-by: Vignesh Raghavendra <vigneshr@ti.com>

arch/arm64/boot/dts/ti/k3-j784s4-evm.dts

@@ -297,6 +297,13 @@ J784S4_IOPAD(0x0e4, PIN_INPUT_PULLUP, 0) /* (AP37) I2C0_SDA */
 		>;
 	};
 
+	main_i2c5_pins_default: main-i2c5-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x01c, PIN_INPUT, 8) /* (AG34) MCAN15_TX.I2C5_SCL */
+			J784S4_IOPAD(0x018, PIN_INPUT, 8) /* (AK36) MCAN14_RX.I2C5_SDA */
+		>;
+	};
+
 	main_mmc1_pins_default: main-mmc1-default-pins {
 		bootph-all;
 		pinctrl-single,pins = <
@@ -761,6 +768,24 @@ exp2: gpio@22 {
 	};
 };
 
+&main_i2c5 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_i2c5_pins_default>;
+	clock-frequency = <400000>;
+	status = "okay";
+
+	exp5: gpio@20 {
+		compatible = "ti,tca6408";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		gpio-line-names = "CSI2_EXP_RSTZ", "CSI2_EXP_A_GPIO0",
+				  "CSI2_EXP_A_GPIO1", "CSI2_EXP_A_GPIO3",
+				  "CSI2_EXP_B_GPIO1", "CSI2_EXP_B_GPIO2",
+				  "CSI2_EXP_B_GPIO3", "CSI2_EXP_B_GPIO4";
+	};
+};
+
 &main_sdhci0 {
 	bootph-all;
 	/* eMMC */