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Message-ID: <87imanpx7w.fsf@codeaurora.org>
Date:   Mon, 02 Nov 2020 17:58:11 +0200
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Jérôme Pouiller <jerome.pouiller@...abs.com>
Cc:     Rob Herring <robh@...nel.org>, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "David S . Miller" <davem@...emloft.net>,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 01/23] dt-bindings: introduce silabs,wfx.yaml

Jérôme Pouiller <jerome.pouiller@...abs.com> writes:

> On Tuesday 13 October 2020 18:49:35 CEST Rob Herring wrote:
>> On Mon, Oct 12, 2020 at 12:46:26PM +0200, Jerome Pouiller wrote:
>> > From: Jérôme Pouiller <jerome.pouiller@...abs.com>
> [...]
>> > +  Note that in add of the properties below, the WFx driver also supports
>> > +  `mac-address` and `local-mac-address` as described in
>> > +  Documentation/devicetree/bindings/net/ethernet.txt
>> 
>> Note what ethernet.txt contains... This should have a $ref to
>> ethernet-controller.yaml to express the above.
>> 
>> You can add 'mac-address: true' if you want to be explicit about what
>> properties are used.
>
> Here, only mac-address and local-mac-address are supported. So, would the
> code below do the job?
>
>   local-mac-address:
>     $ref: ethernet-controller.yaml#/properties/local-mac-address
>
>   mac-address:
>     $ref: ethernet-controller.yaml#/properties/mac-address
>
>
> [...]
>> > +  spi-max-frequency:
>> > +    description: (SPI only) Maximum SPI clocking speed of device in Hz.
>> 
>> No need to redefine a common property.
>
> When a property is specific to a bus, I would have like to explicitly
> say it. That's why I redefined the description.
>
>
> [...]
>> > +  config-file:
>> > +    description: Use an alternative file as PDS. Default is `wf200.pds`. Only
>> > +      necessary for development/debug purpose.
>> 
>> 'firmware-name' is typically what we'd use here. Though if just for
>> debug/dev, perhaps do a debugfs interface for this instead. As DT should
>> come from the firmware/bootloader, requiring changing the DT for
>> dev/debug is not the easiest workflow compared to doing something from
>> userspace.
>
> This file is not a firmware. It mainly contains data related to the
> antenna. At the beginning, this property has been added for
> development. With the time, I think it can be used to  have one disk
> image for several devices that differ only in antenna.
>
> I am going to remove the part about development/debug purpose.

config-file doesn't sound right either. So what kind of data is this,
calibration data or what?

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