Add the pin definition for the WKUP_UART0 node.

Signed-off-by: Kendall Willis <k-willis@ti.com>
---
 arch/arm64/boot/dts/ti/k3-am62l3-evm.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts
index cae04cce337366b50928d39b0c888550b14e43d3..3ac9a2d0d9cb78d87479c4a8aed5c0b1f1cb3faa 100644
--- a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts
@@ -306,6 +306,12 @@ AM62LX_IOPAD(0x0238, PIN_OUTPUT, 7) /* (D24) MMC1_SDWP.GPIO0_123 */
 		>;
 	};
 
+	wkup_uart0_pins_default: wkup-uart0-default-pins {
+		pinctrl-single,pins = <
+			AM62LX_IOPAD(0x0000, PIN_INPUT, 0) /* (Y22) WKUP_UART0_RXD */
+			AM62LX_IOPAD(0x0004, PIN_OUTPUT, 0) /* (AA23) WKUP_UART0_TXD */
+		>;
+	};
 };
 
 &sdhci0 {
@@ -359,3 +365,8 @@ &usb1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&usb1_default_pins>;
 };
+
+&wkup_uart0 {
+	pinctrl-0 = <&wkup_uart0_pins_default>;
+	pinctrl-names = "default";
+};

-- 
2.34.1