Re: [PATCH] dt-bindings: usb: ehci: Increase the number of PHYs

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On Wed, Jun 15, 2022 at 7:53 AM Geert Uytterhoeven
<geert+renesas@xxxxxxxxx> wrote:
>
> "make dtbs_check":
>
>     arch/arm/boot/dts/r8a77470-iwg23s-sbc.dtb: usb@ee080100: phys: [[17, 0], [31]] is too long
>             From schema: Documentation/devicetree/bindings/usb/generic-ehci.yaml
>     arch/arm/boot/dts/r8a77470-iwg23s-sbc.dtb: usb@ee0c0100: phys: [[17, 1], [33], [21, 0]] is too long
>             From schema: Documentation/devicetree/bindings/usb/generic-ehci.yaml
>
> Some USB EHCI controllers (e.g. on the Renesas RZ/G1C SoC) have multiple
> PHYs.  Increase the maximum number of PHYs to 3, which is sufficient for
> now.

Maybe not so 'generic'. Why are there 3? I understand USB3 HCI having
2 for SS and HS. Is it for multiple ports? There's a thread about that
currently (Mediatek IIRC) and how to handle multiple phys.

Rob



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