arm64: dts: rockchip: Add TF card to Khadas Edge 2

Add TF card support to Khadas Edge 2.
The board exposes sdmmc pins via EXTIO. TF card can be used with IO
module.
Signed-off-by: Muhammed Efe Cetin <efectn@protonmail.com>
Link: https://lore.kernel.org/r/6e9062feb40bbad304f2e5bb300601034e805081.1708381247.git.efectn@protonmail.comSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts

@@ -12,6 +12,7 @@ / {
 
 	aliases {
 		mmc0 = &sdhci;
+		mmc1 = &sdmmc;
 	};
 
 	chosen {
@@ -36,6 +37,19 @@ vcc_1v1_nldo_s3: vcc-1v1-nldo-s3-regulator {
 		regulator-max-microvolt = <1100000>;
 		vin-supply = <&vcc5v0_sys>;
 	};
+
+	vdd_3v3_sd: vdd-3v3-sd-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd_3v3_sd";
+		gpios = <&gpio1 RK_PB6 GPIO_ACTIVE_HIGH>;
+		regulator-boot-on;
+		enable-active-high;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc_3v3_s3>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vdd_sd_en>;
+	};
 };
 
 &cpu_b0 {
@@ -110,6 +124,14 @@ regulator-state-mem {
 	};
 };
 
+&pinctrl {
+	vdd_sd {
+		vdd_sd_en: vdd-sd-en {
+			rockchip,pins = <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+};
+
 &sdhci {
 	bus-width = <8>;
 	no-sdio;
@@ -120,6 +142,18 @@ &sdhci {
 	status = "okay";
 };
 
+&sdmmc {
+	bus-width = <4>;
+	cap-sd-highspeed;
+	disable-wp;
+	no-mmc;
+	no-sdio;
+	sd-uhs-sdr104;
+	vmmc-supply = <&vdd_3v3_sd>;
+	vqmmc-supply = <&vccio_sd_s0>;
+	status = "okay";
+};
+
 &spi2 {
 	assigned-clocks = <&cru CLK_SPI2>;
 	assigned-clock-rates = <200000000>;