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| -rw-r--r-- | Documentation/devicetree/bindings/usb/vialab,vl817.yaml | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/vialab,vl817.yaml b/Documentation/devicetree/bindings/usb/vialab,vl817.yaml new file mode 100644 index 0000000000000..5f9771e220587 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/vialab,vl817.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/vialab,vl817.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Via labs VL817 USB 3.1 hub controller + +maintainers: + - Anand Moon <linux.amoon@gmail.com> + +allOf: + - $ref: usb-device.yaml# + +properties: + compatible: + items: + - enum: + - usb2109,2817 + - usb2109,817 + + reg: true + + reset-gpios: + description: GPIO controlling the RESET# pin. + + 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. + +required: + - peer-hub + - compatible + - reg + +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 = "usb2109,2817"; + reg = <1>; + vdd-supply = <&vcc_5v>; + peer-hub = <&hub_3_0>; + reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>; + }; + + /* 3.1 hub on port 4 */ + hub_3_0: hub@2 { + compatible = "usb2109,817"; + reg = <2>; + vdd-supply = <&vcc_5v>; + peer-hub = <&hub_2_0>; + reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>; + }; + }; |