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diff --git a/Documentation/devicetree/bindings/phy/hisilicon,hi3670-usb3.yaml b/Documentation/devicetree/bindings/phy/hisilicon,hi3670-usb3.yaml
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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/hisilicon,hi3670-usb3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Hisilicon Kirin970 USB PHY
+
+maintainers:
+  - Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
+
+description: |+
+  Bindings for USB3 PHY on HiSilicon Kirin 970.
+
+properties:
+  compatible:
+    const: hisilicon,hi3670-usb-phy
+
+  "#phy-cells":
+    const: 0
+
+  hisilicon,pericrg-syscon:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: phandle of syscon used to control iso refclk.
+
+  hisilicon,pctrl-syscon:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: phandle of syscon used to control usb tcxo.
+
+  hisilicon,sctrl-syscon:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: phandle of syscon used to control phy deep sleep.
+
+  hisilicon,eye-diagram-param:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    maxItems: 1
+    description: Eye diagram for phy.
+
+  hisilicon,tx-vboost-lvl:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: TX level vboost for phy.
+
+required:
+  - compatible
+  - hisilicon,pericrg-syscon
+  - hisilicon,pctrl-syscon
+  - hisilicon,sctrl-syscon
+  - hisilicon,eye-diagram-param
+  - hisilicon,tx-vboost-lvl
+  - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    usb-phy {
+        compatible = "hisilicon,hi3670-usb-phy";
+        #phy-cells = <0>;
+        hisilicon,pericrg-syscon = <&crg_ctrl>;
+        hisilicon,pctrl-syscon = <&pctrl>;
+        hisilicon,sctrl-syscon = <&sctrl>;
+        hisilicon,eye-diagram-param = <0xfdfee4>;
+        hisilicon,tx-vboost-lvl = <0x5>;
+    };