diff --git a/patch/kernel/archive/rockchip64-6.18/dt/rk3588-blueberry-r58-4x4.dts b/patch/kernel/archive/rockchip64-6.18/dt/rk3588-blueberry-r58-4x4.dts
index 1299d5ddda..9c8cf898f9 100644
--- a/patch/kernel/archive/rockchip64-6.18/dt/rk3588-blueberry-r58-4x4.dts
+++ b/patch/kernel/archive/rockchip64-6.18/dt/rk3588-blueberry-r58-4x4.dts
@@ -14,6 +14,11 @@
 	model = "Mekotronics R58 4x4";
 	compatible = "mekotronics,r58-4x4", "rockchip,rk3588";
 
+	aliases {
+		mmc0 = &sdmmc; // SD card
+		mmc1 = &sdhci; // eMMC
+	};
+
 	chosen {
 		stdout-path = "serial2:1500000n8";
 	};
@@ -46,6 +51,20 @@
 		regulator-max-microvolt = <1100000>;
 		vin-supply = <&vcc5v0_sys>;
 	};
+
+	vdd_3v3_sd: regulator-vdd-3v3-sd {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd_3v3_sd";
+		gpios = <&gpio0 RK_PD5 GPIO_ACTIVE_HIGH>;
+		regulator-boot-on;
+		enable-active-high;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc12v_dcin>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vdd_sd_en>;
+		// vendor: startup-delay-us = <100000>;
+	};
 };
 
 
@@ -93,10 +112,10 @@
 &pinctrl {
 	vdd_sd {
 		vdd_sd_en: vdd-sd-en {
-			rockchip,pins = <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_up>;
+			// khadas: rockchip,pins = <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_up>;
+			rockchip,pins = <2 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>; // from vendor
 		};
 	};
-
 };
 
 &sdhci {
@@ -104,24 +123,26 @@
 	no-sdio;
 	no-sd;
 	non-removable;
-	mmc-hs400-1_8v;
-	mmc-hs400-enhanced-strobe;
+	max-frequency = <200000000>; // vendor
+	// hs400 causes immediate trouble, hs200 works at around 150mb/s
+	// mmc-hs400-1_8v;
+	// mmc-hs400-enhanced-strobe;
+	mmc-hs200-1_8v;
 	status = "okay";
 };
 
-/*
 &sdmmc {
 	bus-width = <4>;
 	cap-sd-highspeed;
 	disable-wp;
 	no-mmc;
 	no-sdio;
+	max-frequency = <150000000>; // vendor
 	sd-uhs-sdr104;
-	vmmc-supply = <&vdd_3v3_sd>; // @TODO: fix
+	vmmc-supply = <&vdd_3v3_sd>;
 	vqmmc-supply = <&vccio_sd_s0>;
 	status = "okay";
 };
-*/
 
 &spi2 {
 	assigned-clocks = <&cru CLK_SPI2>;