arm64: dts: ti: k3-am62a: Enable UHS mode support for SD cards

Hook up required IO voltage regulators and drop no-1-8-v to support UHS
modes on SD cards.

Fixes: 5fc6b1b ("arm64: dts: ti: Introduce AM62A7 family of SoCs")
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Judith Mendez <jm@ti.com>
Link: https://lore.kernel.org/r/20240423151732.3541894-4-jm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>

Author: r-vignesh

arch/arm64/boot/dts/ti/k3-am62a-main.dtsi

@@ -573,7 +573,6 @@
 		ti,itap-del-sel-sd-hs = <0x0>;
 		ti,itap-del-sel-sdr12 = <0x0>;
 		ti,itap-del-sel-sdr25 = <0x0>;
-		no-1-8-v;
 		status = "disabled";
 	};
 
@@ -597,7 +596,6 @@
 		ti,itap-del-sel-sd-hs = <0x0>;
 		ti,itap-del-sel-sdr12 = <0x0>;
 		ti,itap-del-sel-sdr25 = <0x0>;
-		no-1-8-v;
 		status = "disabled";
 	};
 

arch/arm64/boot/dts/ti/k3-am62a7-sk.dts

@@ -113,6 +113,20 @@
 		regulator-boot-on;
 	};
 
+	vddshv_sdio: regulator-5 {
+		compatible = "regulator-gpio";
+		regulator-name = "vddshv_sdio";
+		pinctrl-names = "default";
+		pinctrl-0 = <&vddshv_sdio_pins_default>;
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		vin-supply = <&ldo1>;
+		gpios = <&main_gpio0 31 GPIO_ACTIVE_HIGH>;
+		states = <1800000 0x0>,
+			 <3300000 0x1>;
+	};
+
 	leds {
 		compatible = "gpio-leds";
 		pinctrl-names = "default";
@@ -342,6 +356,12 @@
 			AM62AX_IOPAD(0x01d4, PIN_INPUT, 7) /* (C15) UART0_RTSn.GPIO1_23 */
 		>;
 	};
+
+	vddshv_sdio_pins_default: vddshv-sdio-default-pins {
+		pinctrl-single,pins = <
+			AM62AX_IOPAD(0x07c, PIN_OUTPUT, 7) /* (M19) GPMC0_CLK.GPIO0_31 */
+		>;
+	};
 };
 
 &mcu_pmx0 {
@@ -580,6 +600,7 @@
 	/* SD/MMC */
 	status = "okay";
 	vmmc-supply = <&vdd_mmc1>;
+	vqmmc-supply = <&vddshv_sdio>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_mmc1_pins_default>;
 	disable-wp;