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diff --git a/Documentation/devicetree/bindings/phy/hisilicon,hi3798cv200-combphy.yaml b/Documentation/devicetree/bindings/phy/hisilicon,hi3798cv200-combphy.yaml
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index 000000000000..81001966f657
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+++ b/Documentation/devicetree/bindings/phy/hisilicon,hi3798cv200-combphy.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/hisilicon,hi3798cv200-combphy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HiSilicon STB PCIE/SATA/USB3 PHY
+
+maintainers:
+  - Shawn Guo <shawn.guo@linaro.org>
+
+properties:
+  compatible:
+    const: hisilicon,hi3798cv200-combphy
+
+  reg:
+    maxItems: 1
+
+  '#phy-cells':
+    description: The cell contains the PHY mode
+    const: 1
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  hisilicon,fixed-mode:
+    description: If the phy device doesn't support mode select but a fixed mode
+      setting, the property should be present to specify the particular mode.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 1, 2, 4]  # SATA, PCIE, USB3
+
+  hisilicon,mode-select-bits:
+    description: If the phy device support mode select, this property should be
+      present to specify the register bits in peripheral controller.
+    items:
+      - description: register_offset
+      - description: bit shift
+      - description: bit mask
+
+required:
+  - compatible
+  - reg
+  - '#phy-cells'
+  - clocks
+  - resets
+
+oneOf:
+  - required: ['hisilicon,fixed-mode']
+  - required: ['hisilicon,mode-select-bits']
+
+additionalProperties: false
+
+...