在 2022-12-02星期五的 17:59 +0100,Krzysztof Kozlowski写道: > On 02/12/2022 17:54, Icenowy Zheng wrote: > > 在 2022-12-02星期五的 10:02 +0100,Krzysztof Kozlowski写道: > > > On 02/12/2022 09:16, Icenowy Zheng wrote: > > > > The Genesys Logic GL850G is a USB 2.0 Single TT hub controller > > > > that > > > > features 4 downstream ports, an internal 5V-to-3.3V LDO > > > > regulator > > > > (can > > > > be bypassed) and an external reset pin. > > > > > > > > Add a device tree binding for its USB protocol part. The > > > > internal > > > > LDO is > > > > not covered by this and can just be modelled as a fixed > > > > regulator. > > > > > > > > Signed-off-by: Icenowy Zheng <uwu@xxxxxxxxxx> > > > > --- > > > > Changes in v2: > > > > - Misc fixes suggested by Krzysztof, including property > > > > descriptions, > > > > single-item "items" and fixing the example's gpio property. > > > > - Fixed $id. > > > > > > > (...) > > > > > > > + > > > > +examples: > > > > + - | > > > > + usb { > > > > + dr_mode = "host"; > > > > + #address-cells = <1>; > > > > + #size-cells = <0>; > > > > + > > > > + hub: hub@1 { > > > > + compatible = "usb5e3,608"; > > > > + reg = <1>; > > > > + reset-gpios = <&pio 7 2>; > > > > > > Use GPIO flags. What did you fix in the example? > > > > It used to be here, but using it needs another include, which I > > don't > > think it necessary here. > > The header is necessary for the flags... > > > > > Maybe I should just drop this line in the example? > > It's useful. The example should be rather complete, not just > compatible > and reg. > > Different problem - you miss maxItems for the GPIOs. Okay thanks. > > Best regards, > Krzysztof >