diff --git a/Documentation/devicetree/bindings/phy/google,lga-usb-phy.yaml b/Documentation/devicetree/bindings/phy/google,lga-usb-phy.yaml
new file mode 100644
index 000000000000..427e2e3425f6
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/google,lga-usb-phy.yaml
@@ -0,0 +1,133 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2025, Google LLC
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/google,lga-usb-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Google Tensor Series G5 (Laguna) USB PHY
+
+maintainers:
+  - Roy Luo <royluo@google.com>
+
+description:
+  Describes the USB PHY interfaces integrated with the DWC3 USB controller on
+  Google Tensor SoCs, starting with the G5 generation (laguna).
+  Two specific PHY IPs from Synopsys are integrated, including eUSB 2.0 PHY IP
+  and USB3.2/DisplayPort combo PHY IP.
+
+properties:
+  compatible:
+    const: google,lga-usb-phy
+
+  reg:
+    items:
+      - description: USB3.2/DisplayPort combo PHY core registers.
+      - description: USB3.2/DisplayPort combo PHY Type-C Assist registers.
+      - description: eUSB 2.0 PHY core registers.
+      - description: Top-level wrapper registers for the integrated PHYs.
+
+  reg-names:
+    items:
+      - const: usb3_core
+      - const: usb3_tca
+      - const: usb2_core
+      - const: usbdp_top
+
+  "#phy-cells":
+    description: |
+      The phandle's argument in the PHY specifier selects one of the three
+      following PHY interfaces.
+      - 0 for USB high-speed.
+      - 1 for USB super-speed.
+      - 2 for DisplayPort.
+    const: 1
+
+  clocks:
+    items:
+      - description: USB2 PHY clock.
+      - description: USB2 PHY APB clock.
+      - description: USB3.2/DisplayPort combo PHY clock.
+      - description: USB3.2/DisplayPort combo PHY firmware clock.
+
+  clock-names:
+    items:
+      - const: usb2
+      - const: usb2_apb
+      - const: usb3
+      - const: usb3_fw
+
+  resets:
+    items:
+      - description: USB2 PHY reset.
+      - description: USB2 PHY APB reset.
+      - description: USB3.2/DisplayPort combo PHY reset.
+
+  reset-names:
+    items:
+      - const: usb2
+      - const: usb2_apb
+      - const: usb3
+
+  power-domains:
+    maxItems: 1
+
+  orientation-switch:
+    type: boolean
+    description:
+      Indicates the PHY as a handler of USB Type-C orientation changes
+
+  google,usb-cfg-csr:
+    description:
+      A phandle to a syscon node used to access the USB configuration
+      registers. These registers are the top-level wrapper of the USB
+      subsystem and provide control and status for the integrated USB
+      controller and USB PHY.
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    items:
+      - items:
+          - description: phandle to the syscon node.
+          - description: USB2 PHY configuration register offset.
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - "#phy-cells"
+  - clocks
+  - clock-names
+  - resets
+  - reset-names
+  - power-domains
+  - orientation-switch
+  - google,usb-cfg-csr
+
+additionalProperties: false
+
+examples:
+  - |
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        usb-phy@c410000 {
+            compatible = "google,lga-usb-phy";
+            reg = <0 0x0c410000 0 0x20000>,
+                  <0 0x0c430000 0 0x1000>,
+                  <0 0x0c440000 0 0x10000>,
+                  <0 0x0c637000 0 0xa0>;
+            reg-names = "usb3_core", "usb3_tca", "usb2_core", "usbdp_top";
+            #phy-cells = <1>;
+            clocks = <&hsion_usb2_phy_clk>, <&hsion_u2phy_apb_clk>,
+                     <&hsion_usb3_phy_clk>, <&hsion_usb3_phy_fw_clk>;
+            clock-names = "usb2", "usb2_apb", "usb3", "usb3_fw";
+            resets = <&hsion_resets_usb2_phy>,
+                     <&hsion_resets_u2phy_apb>,
+                     <&hsion_resets_usb3_phy>;
+            reset-names = "usb2", "usb2_apb", "usb3";
+            power-domains = <&hsio_n_usb_pd>;
+            orientation-switch;
+            google,usb-cfg-csr = <&usb_cfg_csr 0x14>;
+        };
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 1194f5cd7c7d..e9b8dfbbb778 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10723,6 +10723,7 @@ S:	Maintained
 P:	Documentation/process/maintainer-soc-clean-dts.rst
 C:	irc://irc.oftc.net/pixel6-kernel-dev
 F:	Documentation/devicetree/bindings/clock/google,gs101-clock.yaml
+F:	Documentation/devicetree/bindings/phy/google,lga-usb-phy.yaml
 F:	Documentation/devicetree/bindings/soc/google/google,gs101-pmu-intr-gen.yaml
 F:	arch/arm64/boot/dts/exynos/google/
 F:	drivers/clk/samsung/clk-gs101.c