arm64: dts: ti: k3-j722s-evm: Enable support for mcu_i2c0

Enable support for mcu_i2c0 and add pinmux required to bring out the
mcu_i2c0 signals on 40-pin RPi expansion header on the J722S EVM.

Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>
Signed-off-by: Shreyash Sinha <s-sinha@ti.com>
Reviewed-by: Prasanth Babu Mantena <p-mantena@ti.com>
Link: https://lore.kernel.org/r/20241105091224.23453-1-b-kapoor@ti.com
Signed-off-by: Nishanth Menon <nm@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 a00f4a7d20d98f6ceee821026b332f15d69e9d09..796287c76b69873ee452f8bd2c8dace3a0fadb63 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
@@ -406,6 +406,13 @@
 
 &mcu_pmx0 {
 
+       mcu_i2c0_pins_default: mcu-i2c0-default-pins {
+               pinctrl-single,pins = <
+                       J722S_MCU_IOPAD(0x048, PIN_INPUT, 0) /* (E11) MCU_I2C0_SDA */
+                       J722S_MCU_IOPAD(0x044, PIN_INPUT, 0) /* (B13) MCU_I2C0_SCL */
+               >;
+       };
+
        mcu_mcan0_pins_default: mcu-mcan0-default-pins {
                pinctrl-single,pins = <
                        J722S_MCU_IOPAD(0x038, PIN_INPUT, 0) /* (D8) MCU_MCAN0_RX */
@@ -812,3 +819,10 @@
 &mcu_gpio0 {
        status = "okay";
 };
+
+&mcu_i2c0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&mcu_i2c0_pins_default>;
+       clock-frequency = <400000>;
+       status = "okay";
+};