[PATCH 4/6] arm: dts: k3-am642-r5-evm: Add I2C0 and Card detect GPIOs

[Roger Quadros <rogerq@kernel.org>]

Card detect GPIOs are on I2C GPIO Expander on I2C0.
Enable I2C0 and GPIO Expander for r5-evm.

Signed-off-by: Roger Quadros <rogerq@kernel.org>
---
 arch/arm/dts/k3-am642-r5-evm.dts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm/dts/k3-am642-r5-evm.dts b/arch/arm/dts/k3-am642-r5-evm.dts
index e870492a69..01b4a61852 100644
--- a/arch/arm/dts/k3-am642-r5-evm.dts
+++ b/arch/arm/dts/k3-am642-r5-evm.dts
@@ -209,6 +209,13 @@
 			AM64X_IOPAD(0x0144, PIN_OUTPUT, 4) /* (Y11) PRG1_PRU1_GPO15.RGMII2_TX_CTL */
 		>;
 	};
+
+	main_i2c0_pins_default: main-i2c0-default-pins {
+		pinctrl-single,pins = <
+			AM64X_IOPAD(0x0260, PIN_INPUT_PULLUP, 0) /* (A18) I2C0_SCL */
+			AM64X_IOPAD(0x0264, PIN_INPUT_PULLUP, 0) /* (B18) I2C0_SDA */
+		>;
+	};
 };
 
 &dmsc {
@@ -267,6 +274,18 @@
 /* EEPROM might be read before SYSFW is available */
 &main_i2c0 {
 	/delete-property/ power-domains;
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_i2c0_pins_default>;
+	clock-frequency = <400000>;
+
+	tca9554: gpio@38 {
+		 /* TCA9554 */
+		 compatible = "nxp,pca9554";
+		 reg = <0x38>;
+		 gpio-controller;
+		#gpio-cells = <2>;
+	 };
 };
 
 &usbss0 {
-- 
2.34.1