1 files changed, 77 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/cypress,hx3.yaml b/Documentation/devicetree/bindings/usb/cypress,hx3.yaml
new file mode 100644
index 000000000000..28096619a882
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/cypress,hx3.yaml
@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/cypress,hx3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cypress HX3 USB 3.0 hub controller family
+
+maintainers:
+  - Benjamin Bara <benjamin.bara@skidata.com>
+
+allOf:
+  - $ref: usb-device.yaml#
+
+properties:
+  compatible:
+    enum:
+      - usb4b4,6504
+      - usb4b4,6506
+
+  reg: true
+
+  reset-gpios:
+    items:
+      - description: GPIO specifier for RESETN pin.
+
+  vdd-supply:
+    description:
+      1V2 power supply (VDD_EFUSE, AVDD12, DVDD12).
+
+  vdd2-supply:
+    description:
+      3V3 power supply (AVDD33, VDD_IO).
+
+  peer-hub:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      phandle to the peer hub on the controller.
+
+required:
+  - compatible
+  - reg
+  - peer-hub
+  - vdd-supply
+  - vdd2-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    #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 = "usb4b4,6504";
+          reg = <1>;
+          peer-hub = <&hub_3_0>;
+          reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
+          vdd-supply = <&reg_1v2_usb>;
+          vdd2-supply = <&reg_3v3_usb>;
+        };
+
+        /* 3.0 hub on port 2 */
+        hub_3_0: hub@2 {
+          compatible = "usb4b4,6506";
+          reg = <2>;
+          peer-hub = <&hub_2_0>;
+          reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
+          vdd-supply = <&reg_1v2_usb>;
+          vdd2-supply = <&reg_3v3_usb>;
+        };
+    };