linux-kernel - Re: [PATCH v6 6/6] dt-bindings: spi: Add compatible for Intel LGM SoC

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Date:   Tue, 10 Nov 2020 13:21:59 +0800
From:   "Ramuthevar, Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Mark Brown <broonie@...nel.org>, Vignesh R <vigneshr@...com>,
        Tudor Ambarus <tudor.ambarus@...rochip.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        devicetree@...r.kernel.org,
        Miquèl Raynal <miquel.raynal@...tlin.com>,
        simon.k.r.goldschmidt@...il.com, Dinh Nguyen <dinguyen@...nel.org>,
        Richard Weinberger <richard@....at>,
        "Kim, Cheol Yong" <cheol.yong.kim@...el.com>,
        "Wu, Qiming" <qi-ming.wu@...el.com>
Subject: Re: [PATCH v6 6/6] dt-bindings: spi: Add compatible for Intel LGM SoC

Hi Rob,

On 9/11/2020 11:15 pm, Rob Herring wrote:
> On Sun, Nov 8, 2020 at 7:49 PM Ramuthevar, Vadivel MuruganX
> <vadivel.muruganx.ramuthevar@...ux.intel.com> wrote:
>>
>> Hi Rob,
>>
>> On 5/11/2020 6:03 am, Rob Herring wrote:
>>> On Fri, Oct 30, 2020 at 01:31:53PM +0800, Ramuthevar,Vadivel MuruganX wrote:
>>>> From: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
>>>>
>>>> Add compatible for Intel LGM SoC.
>>>>
>>>> Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
>>>> ---
>>>>    Documentation/devicetree/bindings/spi/cadence-quadspi.yaml | 1 +
>>>>    1 file changed, 1 insertion(+)
>>>>
>>>> diff --git a/Documentation/devicetree/bindings/spi/cadence-quadspi.yaml b/Documentation/devicetree/bindings/spi/cadence-quadspi.yaml
>>>> index ec22b040d804..58ecdab939df 100644
>>>> --- a/Documentation/devicetree/bindings/spi/cadence-quadspi.yaml
>>>> +++ b/Documentation/devicetree/bindings/spi/cadence-quadspi.yaml
>>>> @@ -19,6 +19,7 @@ properties:
>>>>              - enum:
>>>>                  - ti,k2g-qspi
>>>>                  - ti,am654-ospi
>>>> +              - intel,lgm-qspi
>>>
>>> As this change shows, you don't need 'oneOf' for Intel...
>> As we you have suggested in the previous mail, I framed like below with
>> 'oneOf'
>>
>> properties:
>>     compatible:
>>       oneOf:
>>         - items:
>>             - enum:
>>                 - ti,k2g-qspi
>>                 - ti,am654-ospi
>>             - const: cdns,qspi-nor
>>
>>         - items:
>>             - enum:
>>                 - intel,lgm-qspi
>>                 - cadence,qspi   #compatible for generic in future use
> 
> Why are you not using the documented vendor prefix 'cdns'?
old document file name is cadence-quadspi.txt, so thought of keeping the 
same name.
Thank you for the suggestion, Sure, I will use it.
> 
> In any case, adding this is pointless. Your 'generic' compatible is below.
> 
> And you still don't need 'oneOf' here. The enum contents here can be
> in the first 'enum'.
Ok, Noted.

Regards
Vadivel
> 
>>             - const: cdns,qspi-nor
>>
>> so that ignoring error message warning can be avoided as well, Thanks!
> 
> In the example? Fix the example!
> 
> 
> Rob
>