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diff --git a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
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index 000000000000..71f8e726d641
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+++ b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
@@ -0,0 +1,86 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/snps,dwcmshc-sdhci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Synopsys Designware Mobile Storage Host Controller Binding
+
+maintainers:
+  - Ulf Hansson <ulf.hansson@linaro.org>
+  - Jisheng Zhang <Jisheng.Zhang@synaptics.com>
+
+allOf:
+  - $ref: mmc-controller.yaml#
+
+properties:
+  compatible:
+    enum:
+      - rockchip,rk3568-dwcmshc
+      - rockchip,rk3588-dwcmshc
+      - snps,dwcmshc-sdhci
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+    items:
+      - description: core clock
+      - description: bus clock for optional
+      - description: axi clock for rockchip specified
+      - description: block clock for rockchip specified
+      - description: timer clock for rockchip specified
+
+
+  clock-names:
+    minItems: 1
+    items:
+      - const: core
+      - const: bus
+      - const: axi
+      - const: block
+      - const: timer
+
+  rockchip,txclk-tapnum:
+    description: Specify the number of delay for tx sampling.
+    $ref: /schemas/types.yaml#/definitions/uint8
+
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    mmc@fe310000 {
+      compatible = "rockchip,rk3568-dwcmshc";
+      reg = <0xfe310000 0x10000>;
+      interrupts = <0 25 0x4>;
+      clocks = <&cru 17>, <&cru 18>, <&cru 19>, <&cru 20>, <&cru 21>;
+      clock-names = "core", "bus", "axi", "block", "timer";
+      bus-width = <8>;
+      #address-cells = <1>;
+      #size-cells = <0>;
+    };
+  - |
+    mmc@aa0000 {
+      compatible = "snps,dwcmshc-sdhci";
+      reg = <0xaa000 0x1000>;
+      interrupts = <0 25 0x4>;
+      clocks = <&cru 17>, <&cru 18>;
+      clock-names = "core", "bus";
+      bus-width = <8>;
+      #address-cells = <1>;
+      #size-cells = <0>;
+    };
+
+...