arm64: dts: ti: k3-am642-sk: Add pinmux corresponding to main_uart0

Add pinmux details required for the zeroth instance of main UART.

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20220516113417.3516-1-a-govindraju@ti.com

diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
index 64eed54..2620469 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
@@ -166,6 +166,15 @@
                >;
        };
 
+       main_uart0_pins_default: main-uart0-pins-default {
+               pinctrl-single,pins = <
+                       AM64X_IOPAD(0x0238, PIN_INPUT, 0) /* (B16) UART0_CTSn */
+                       AM64X_IOPAD(0x023c, PIN_OUTPUT, 0) /* (A16) UART0_RTSn */
+                       AM64X_IOPAD(0x0230, PIN_INPUT, 0) /* (D15) UART0_RXD */
+                       AM64X_IOPAD(0x0234, PIN_OUTPUT, 0) /* (C16) UART0_TXD */
+               >;
+       };
+
        main_usb0_pins_default: main-usb0-pins-default {
                pinctrl-single,pins = <
                        AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */
@@ -268,6 +277,11 @@
        status = "disabled";
 };
 
+&main_uart0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&main_uart0_pins_default>;
+};
+
 &main_uart1 {
        /* main_uart1 is reserved for firmware usage */
        status = "reserved";