Re: [PATCH 2/2] dt: bindings: Add binding for ESP8089 wifi chips

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On Monday, August 8, 2016 11:59:25 AM CEST Chen-Yu Tsai wrote:
> Hi Arnd,
> 
> On Mon, Aug 8, 2016 at 3:59 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> > On Sunday, August 7, 2016 8:57:49 PM CEST Hans de Goede wrote:
> >> +Espressif ESP8089 wireless SDIO devices
> >> +
> >> +This node provides properties for controlling the ESP8089 wireless device.
> >> +The node is expected to be specified as a child node to the SDIO controller
> >> +that connects the device to the system.
> >> +
> >> +Required properties:
> >> +
> >> + - compatible : Should be "esp,esp8089".
> >
> > I think it would be good to standardize a compatible string for sdio
> > like we have it for other discoverable buses, based on the
> > vendor/device ID (or whatever this uses), using something like
> >
> > compatible = "sdio1234,5678", "esp,esp8089";
> 
> Is there a central repository for SDIO vendor/device IDs similar to
> PCI or USB IDs?

No idea. I believe the existing repositories for PCI and USB are not
public either, there is just the information at http://pcidatabase.com/,
http://pci-ids.ucw.cz/ or http://www.linux-usb.org/usb.ids that
are maintained by volunteers and that are not authoritarive.

I found one list at https://github.com/systemd/systemd/blob/master/hwdb/sdio.ids
but it's probably very incomplete.

> The vendor ID Espressif uses is 0x6666, which seems kind of bogus to me.

It probably is, but that's not important as long as nothing else uses
that ID.

	Arnd

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