The USB5807 is a 7-port USB 3.1 hub that can be configured by I2C. This driver resets the chip, optionally allows D+/D- lines to be swapped in the devicetree config, and then sends an ATTACH command to put the device in operational mode. Signed-off-by: Mike Looijmans <mike.looijmans@xxxxxxxx> --- .../devicetree/bindings/usb/usb5807.yaml | 51 +++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/usb5807.yaml diff --git a/Documentation/devicetree/bindings/usb/usb5807.yaml b/Documentation/devicetree/bindings/usb/usb5807.yaml new file mode 100644 index 000000000000..06b94210c281 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/usb5807.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/usb5807.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip USB 3.1 SuperSpeed Hub Controller + +maintainers: + - Mike Looijmans <mike.looijmans@xxxxxxxx> + +properties: + compatible: + enum: + - microchip,usb5807 + + reg: + maxItems: 1 + + reset-gpios: + description: | + Should specify the gpio for hub reset + + swap-dx-lanes: + $ref: /schemas/types.yaml#/definitions/uint8-array + description: | + Specifies the ports which will swap the differential-pair (D+/D-), + default is not-swapped. + +additionalProperties: false + +required: + - compatible + - reg + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + usb-hub@2d { + compatible = "microchip,usb5807"; + reg = <0x2d>; + reset-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; + /* Swapped D+/D- on port 0 */ + swap-dx-lanes = <0>; + }; + }; -- 2.17.1 Met vriendelijke groet / kind regards, Mike Looijmans System Expert TOPIC Embedded Products B.V. Materiaalweg 4, 5681 RJ Best The Netherlands T: +31 (0) 499 33 69 69 E: mike.looijmans@xxxxxxxxxxxxxxxxx W: www.topic.nl Please consider the environment before printing this e-mail
