于 2018年7月25日 GMT+08:00 下午11:31:26, Rob Herring <robh@xxxxxxxxxx> 写到: >On Sun, Jul 22, 2018 at 02:10:33PM +0800, Chen-Yu Tsai wrote: >> On Sun, Jul 22, 2018 at 1:57 PM, Icenowy Zheng <icenowy@xxxxxxx> >wrote: >> > The new Allwinner H6 SoC contains a USB3 PHY that is wired to the >> > external USB3 pins of the SoC. >> > >> > Add a device tree binding for the PHY. >> > >> > Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx> >> > Reviewed-by: Chen-Yu Tsai <wens@xxxxxxxx> >> > --- >> > Changes in v3: >> > - Added Chen-Yu's Review tag. >> > >> > Rob, >> > Although you mentioned that the supply is for the port, not the >phy; >> > currently in USB situation "powering on the PHY" also indicates >> > "powering on the port" and nearly all usages of phy-supply is for >Vbus. >> > >> > Maybe we should change the overall phy-supply to satisfy this. >> >> Or maybe change it to vbus-supply, like we have for phy-sun4i-usb, >> until USB port power sequencing is added. (I remember there were >> patches for this. What happened?) > >Once it is in the binding, we are stuck with it. > >Connector bindings have landed. We should add vbus-supply to that. You >don't have to have a property in the node associated with a driver. The How should the phy DT node reference the connector? > >phy driver can walk the tree and get the Vbus supply. > >UniPhier has the same issue. > >Rob > >_______________________________________________ >linux-arm-kernel mailing list >linux-arm-kernel@xxxxxxxxxxxxxxxxxxx >http://lists.infradead.org/mailman/listinfo/linux-arm-kernel -- 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
