diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index e641033d23d1..2e485553ce8b 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -160,3 +160,4 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-nanopi-r6c.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-rock-5a.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-odroid-m2.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-orangepi-5.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-orangepi-5b.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dtsi
index 5ef0ccfcf598..0573b8f2d318 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dtsi
@@ -400,6 +400,17 @@
 	status = "okay";
 };
 
+&sdhci {
+	bus-width = <8>;
+	no-sdio;
+	no-sd;
+	non-removable;
+	max-frequency = <200000000>;
+	mmc-hs400-1_8v;
+	mmc-hs400-enhanced-strobe;
+	status = "disabled";
+};
+
 &sdmmc {
 	bus-width = <4>;
 	cap-sd-highspeed;
diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5b.dts
new file mode 100644
index 000000000000..d21ec320d295
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5b.dts
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+
+#include "rk3588s-orangepi-5.dtsi"
+
+/ {
+	model = "Xunlong Orange Pi 5B";
+	compatible = "xunlong,orangepi-5b", "rockchip,rk3588s";
+
+	aliases {
+		mmc0 = &sdhci;
+		mmc1 = &sdmmc;
+	};
+};
+
+&sdhci {
+	status = "okay";
+};