arm64: dts: ti: k3-am654-base-board: Add eMMC Support

On the am654x-evm, sdhci0 node is connected to an eMMC. Add node and
pinmux for the same.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

arch/arm64/boot/dts/ti/k3-am654-base-board.dts

@@ -119,6 +119,23 @@
 			AM65X_IOPAD(0x0070, PIN_INPUT, 5) /* (R25) GPMC0_CSn2.I2C2_SDA */
 		>;
 	};
+
+	main_mmc0_pins_default: main-mmc0-pins-default {
+		pinctrl-single,pins = <
+			AM65X_IOPAD(0x01a8, PIN_INPUT_PULLDOWN, 0) /* (B25) MMC0_CLK */
+			AM65X_IOPAD(0x01ac, PIN_INPUT_PULLUP, 0) /* (B27) MMC0_CMD */
+			AM65X_IOPAD(0x01a4, PIN_INPUT_PULLUP, 0) /* (A26) MMC0_DAT0 */
+			AM65X_IOPAD(0x01a0, PIN_INPUT_PULLUP, 0) /* (E25) MMC0_DAT1 */
+			AM65X_IOPAD(0x019c, PIN_INPUT_PULLUP, 0) /* (C26) MMC0_DAT2 */
+			AM65X_IOPAD(0x0198, PIN_INPUT_PULLUP, 0) /* (A25) MMC0_DAT3 */
+			AM65X_IOPAD(0x0194, PIN_INPUT_PULLUP, 0) /* (E24) MMC0_DAT4 */
+			AM65X_IOPAD(0x0190, PIN_INPUT_PULLUP, 0) /* (A24) MMC0_DAT5 */
+			AM65X_IOPAD(0x018c, PIN_INPUT_PULLUP, 0) /* (B26) MMC0_DAT6 */
+			AM65X_IOPAD(0x0188, PIN_INPUT_PULLUP, 0) /* (D25) MMC0_DAT7 */
+			AM65X_IOPAD(0x01b4, PIN_INPUT_PULLUP, 0) /* (A23) MMC0_SDCD */
+			AM65X_IOPAD(0x01b0, PIN_INPUT, 0) /* (C25) MMC0_DS */
+		>;
+	};
 };
 
 &main_pmx1 {
@@ -221,3 +238,11 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&ecap0_pins_default>;
 };
+
+&sdhci0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_mmc0_pins_default>;
+	bus-width = <8>;
+	non-removable;
+	ti,driver-strength-ohm = <50>;
+};