@@ -263,6 +263,13 @@ J722S_IOPAD(0x01e4, PIN_INPUT_PULLUP, 0) /* (B22) I2C0_SDA */
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 @@ tlv320aic3106: audio-codec@1b {
};
};
+&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>;
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> --- arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 28 +++++++++++++++++++++++++ 1 file changed, 28 insertions(+)