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Message-ID: <5dd3237f-e0a2-4214-a63f-233e89a26b8d@linaro.org>
Date: Fri, 22 Mar 2024 07:34:24 +0100
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Subject: Re: [PATCH v2] spi: dt-bindings: jcore,spi: convert spi-jcore to
 dtschema
To: Kousik Sanagavarapu <five231003@gmail.com>
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
 linux-spi@vger.kernel.org, Rob Herring <robh@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Mark Brown <broonie@kernel.org>, Shuah Khan <skhan@linuxfoundation.org>,
 Javier Carrasco <javier.carrasco.cruz@gmail.com>
References: <20240321180617.35390-1-five231003@gmail.com>
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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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On 22/03/2024 07:23, Kousik Sanagavarapu wrote:
> On Fri, 22 Mar 2024, 11:33 Krzysztof Kozlowski, <
> krzysztof.kozlowski@linaro.org> wrote:
> 
>> On 21/03/2024 19:02, Kousik Sanagavarapu wrote:
>>
>>> +  spi-max-frequency:
>>> +    $ref: /schemas/types.yaml#/definitions/uint32
>>
>> No, drop. From which other SPI binding did you take it? I asked you to
>> look at existing code.
>>
> 
> Without this, "make dt_binding_check" would break though, right at the
> position in the example where "spi-max-frequency" is used.  That was
> also the reason why additionalProperties was set to true in the last
> iteration, but after reading the doc more carefully I realized that was
> wrong after you pointed it out.
> 
> I followed along bindings/spi/nvidia,tegra114-spi.yaml.

OK, you are right, the property is used here in controller node, however
Linux driver never parsed it. It was never used, so I propose to drop it
from the binding and example. You can mention in commit msg that
spi-max-frequency was not documented thus you drop it from the example.

DTS should be fixed as well. I'll send a patch for it.

Best regards,
Krzysztof