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diff --git a/Documentation/devicetree/bindings/mmc/hisilicon,hi3798cv200-dw-mshc.yaml b/Documentation/devicetree/bindings/mmc/hisilicon,hi3798cv200-dw-mshc.yaml
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/hisilicon,hi3798cv200-dw-mshc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Hisilicon HiSTB SoCs specific extensions to the Synopsys DWMMC controller
+
+maintainers:
+  - Yang Xiwen <forbidden405@outlook.com>
+
+properties:
+  compatible:
+    enum:
+      - hisilicon,hi3798cv200-dw-mshc
+      - hisilicon,hi3798mv200-dw-mshc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: bus interface unit clock
+      - description: card interface unit clock
+      - description: card input sample phase clock
+      - description: controller output drive phase clock
+
+  clock-names:
+    items:
+      - const: ciu
+      - const: biu
+      - const: ciu-sample
+      - const: ciu-drive
+
+  hisilicon,sap-dll-reg:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description: |
+      DWMMC core on Hi3798MV2x SoCs has a delay-locked-loop(DLL) attached to card data input path.
+      It is integrated into CRG core on the SoC and has to be controlled during tuning.
+    items:
+      - description: A phandle pointed to the CRG syscon node
+      - description: Sample DLL register offset in CRG address space
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+allOf:
+  - $ref: synopsys-dw-mshc-common.yaml#
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: hisilicon,hi3798mv200-dw-mshc
+    then:
+      required:
+        - hisilicon,sap-dll-reg
+    else:
+      properties:
+        hisilicon,sap-dll-reg: false
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/histb-clock.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    mmc@9830000 {
+        compatible = "hisilicon,hi3798cv200-dw-mshc";
+        reg = <0x9830000 0x10000>;
+        interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&crg HISTB_MMC_CIU_CLK>,
+                 <&crg HISTB_MMC_BIU_CLK>,
+                 <&crg HISTB_MMC_SAMPLE_CLK>,
+                 <&crg HISTB_MMC_DRV_CLK>;
+        clock-names = "ciu", "biu", "ciu-sample", "ciu-drive";
+        resets = <&crg 0xa0 4>;
+        reset-names = "reset";
+        pinctrl-names = "default";
+        pinctrl-0 = <&emmc_pins_1 &emmc_pins_2
+                     &emmc_pins_3 &emmc_pins_4>;
+        fifo-depth = <256>;
+        clock-frequency = <200000000>;
+        cap-mmc-highspeed;
+        mmc-ddr-1_8v;
+        mmc-hs200-1_8v;
+        non-removable;
+        bus-width = <8>;
+    };