1 files changed, 117 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml b/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml
new file mode 100644
index 000000000000..0874fc21f66f
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml
@@ -0,0 +1,117 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/realtek,rts5411.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Realtek RTS5411 USB 3.0 hub controller
+
+maintainers:
+  - Matthias Kaehlcke <mka@chromium.org>
+
+allOf:
+  - $ref: usb-device.yaml#
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - usbbda,5411
+          - usbbda,411
+
+  reg: true
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+  vdd-supply:
+    description:
+      phandle to the regulator that provides power to the hub.
+
+  peer-hub:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      phandle to the peer hub on the controller.
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+
+    properties:
+      port@1:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          1st downstream facing USB port
+
+      port@2:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          2nd downstream facing USB port
+
+      port@3:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          3rd downstream facing USB port
+
+      port@4:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          4th downstream facing USB port
+
+patternProperties:
+  '^.*@[1-4]$':
+    description: The hard wired USB devices
+    type: object
+    $ref: /schemas/usb/usb-device.yaml
+
+required:
+  - peer-hub
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    usb {
+        dr_mode = "host";
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        /* 2.0 hub on port 1 */
+        hub_2_0: hub@1 {
+            compatible = "usbbda,5411";
+            reg = <1>;
+            vdd-supply = <&pp3300_hub>;
+            peer-hub = <&hub_3_0>;
+            #address-cells = <1>;
+            #size-cells = <0>;
+            /* USB 2.0 device on port 2 */
+            device@2 {
+                compatible = "usb123,4567";
+                reg = <2>;
+            };
+        };
+
+        /* 3.0 hub on port 2 */
+        hub_3_0: hub@2 {
+            compatible = "usbbda,411";
+            reg = <2>;
+            vdd-supply = <&pp3300_hub>;
+            peer-hub = <&hub_2_0>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+                /* Type-A connector on port 4 */
+                port@4 {
+                    reg = <4>;
+                    endpoint {
+                      remote-endpoint = <&usb_a0_ss>;
+                    };
+                };
+            };
+        };
+    };