Add dt-binding documentation for generic onboard USB HUB. Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx> --- .../devicetree/bindings/usb/generic-onboard-hub.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/generic-onboard-hub.txt diff --git a/Documentation/devicetree/bindings/usb/generic-onboard-hub.txt b/Documentation/devicetree/bindings/usb/generic-onboard-hub.txt new file mode 100644 index 0000000..d19d912 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/generic-onboard-hub.txt @@ -0,0 +1,20 @@ +Generic Onboard USB HUB + +Required properties: +- compatible: should be "generic-onboard-hub" + +Optional properties: +- clocks: the input clock for USB HUB. +- clock-frequency: the frequency for HUB's clock. +- reset-gpios: Should specify the GPIO for reset. +- reset-duration-us: the duration for assert reset signal, the time unit + is microsecond. + +Example: + + usb_hub1 { + compatible = "generic-onboard-hub"; + clocks = <&clks IMX6QDL_CLK_CKO>; + reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>; + hub-reset-duration-us = <2>; + }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html