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+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/ti,usb8041.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Binding for the TI USB8041 USB 3.0 hub controller
+
+maintainers:
+ - Alexander Stein <alexander.stein@ew.tq-group.com>
+
+allOf:
+ - $ref: usb-device.yaml#
+
+properties:
+ compatible:
+ enum:
+ - usb451,8140
+ - usb451,8142
+
+ reg: true
+
+ reset-gpios:
+ items:
+ - description: GPIO specifier for GRST# pin.
+
+ vdd-supply:
+ description:
+ VDD power supply to the hub
+
+ peer-hub:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ phandle to the peer hub on the controller.
+
+required:
+ - compatible
+ - reg
+ - peer-hub
+
+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 = "usb451,8142";
+ reg = <1>;
+ peer-hub = <&hub_3_0>;
+ reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
+ };
+
+ /* 3.0 hub on port 2 */
+ hub_3_0: hub@2 {
+ compatible = "usb451,8140";
+ reg = <2>;
+ peer-hub = <&hub_2_0>;
+ reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
+ };
+ };
The TI USB8041 is a USB 3.0 hub controller with 4 ports. This initial version of the binding only describes USB related aspects of the USB8041, it does not cover the option of connecting the controller as an i2c slave. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> --- Thanks Matthias for your review. Changes in v3: * Put myself as maintainer * Removed quotes around description Changes in v2: * Removed 'items' from compatible, it's just en enum now * Rename reset-gpio to reset-gpios * Use 'items' for reset-gpios * Adjust description of vdd-supply * Sorted required list * Adjusted example .../devicetree/bindings/usb/ti,usb8041.yaml | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/ti,usb8041.yaml