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diff --git a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/genesys,gl850g.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Genesys Logic USB hub controller
+
+maintainers:
+  - Icenowy Zheng <uwu@icenowy.me>
+
+properties:
+  compatible:
+    enum:
+      - usb5e3,608
+      - usb5e3,610
+      - usb5e3,620
+      - usb5e3,626
+
+  reg: true
+
+  reset-gpios:
+    description: GPIO controlling the RESET# pin.
+
+  vdd-supply:
+    description:
+      The regulator that provides 3.3V or 5.0V core power to the hub.
+
+  peer-hub: true
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+
+    patternProperties:
+      '^port@':
+        $ref: /schemas/graph.yaml#/properties/port
+
+        properties:
+          reg:
+            minimum: 1
+            maximum: 4
+
+required:
+  - compatible
+  - reg
+
+allOf:
+  - $ref: usb-hub.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - usb5e3,608
+    then:
+      properties:
+        peer-hub: false
+        vdd-supply: false
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - usb5e3,610
+              - usb5e3,620
+    then:
+      properties:
+        peer-hub: true
+        vdd-supply: true
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    usb {
+        dr_mode = "host";
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        hub: hub@1 {
+            compatible = "usb5e3,608";
+            reg = <1>;
+            reset-gpios = <&pio 7 2 GPIO_ACTIVE_LOW>;
+        };
+    };
+
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    usb {
+        dr_mode = "host";
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        /* 2.0 hub on port 1 */
+        hub_2_0: hub@1 {
+            compatible = "usb5e3,610";
+            reg = <1>;
+            peer-hub = <&hub_3_0>;
+            reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
+            vdd-supply = <&vcc_5v>;
+        };
+
+        /* 3.1 hub on port 4 */
+        hub_3_0: hub@2 {
+            compatible = "usb5e3,620";
+            reg = <2>;
+            peer-hub = <&hub_2_0>;
+            reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
+            vdd-supply = <&vcc_5v>;
+        };
+    };