From: Fabio Estevam <festevam@xxxxxxx> Document the Microchip USB2514, USB2412, and USB2417 USB hubs. Signed-off-by: Fabio Estevam <festevam@xxxxxxx> --- .../bindings/usb/microchip,usb2514.yaml | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/microchip,usb2514.yaml diff --git a/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml b/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml new file mode 100644 index 000000000000..8df7a5adfbe8 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/microchip,usb2514.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip USB2514 Hub Controller + +maintainers: + - Fabio Estevam <festevam@xxxxxxxxx> + +properties: + compatible: + enum: + - usb424,2412 + - usb424,2514 + - usb424,2417 + + reg: true + + reset-gpios: + description: GPIO connected to the RESET_N pin. + + vdd-supply: + description: 3.3V power supply. + + clocks: + description: External 24MHz clock connected to the CLKIN pin. + +required: + - compatible + - reg + +unevaluatedProperties: true + +examples: + - | + #include <dt-bindings/clock/imx6qdl-clock.h> + #include <dt-bindings/gpio/gpio.h> + + usb { + dr_mode = "host"; + #address-cells = <1>; + #size-cells = <0>; + + hub@1 { + compatible = "usb424,2514"; + reg = <1>; + clocks = <&clks IMX6QDL_CLK_CKO>; + reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>; + vdd-supply = <®_3v3_hub>; + }; + }; -- 2.34.1