linux-kernel - Re: [PATCH v3 1/2] spi: dt-bindings: amlogic, meson-gx-spicc: Add pinctrl names for SPI signal states

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Date:   Wed, 19 Oct 2022 18:53:17 +0200
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Amjad Ouled-Ameur <aouledameur@...libre.com>,
        Mark Brown <broonie@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Kevin Hilman <khilman@...libre.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Da Xue <da@...re.computer>, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/2] spi: dt-bindings: amlogic, meson-gx-spicc: Add
 pinctrl names for SPI signal states

On 19/10/2022 16:29, Krzysztof Kozlowski wrote:
> On 19/10/2022 10:01, Amjad Ouled-Ameur wrote:
>> SPI pins of the SPICC Controller in Meson-GX needs to be controlled by
>> pin biais when idle. Therefore define three pinctrl names:
>> - default: SPI pins are controlled by spi function.
>> - idle-high: SCLK pin is pulled-up, but MOSI/MISO are still controlled
>> by spi function.
>> - idle-low: SCLK pin is pulled-down, but MOSI/MISO are still controlled
>> by spi function.
>>
> 
> 
>> +
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            enum:
>> +              - amlogic,meson-gx-spicc
>> +
>> +    then:
>> +      properties:
>> +        pinctrl-names:
>> +          minItems: 1
>> +          items:
>> +            - const: default
>> +            - const: idle-high
>> +            - const: idle-low
> 
> You should also define in such case pinctrl-0 and others.

Ok I thought it would be covered by the pinctrl-consumer.yaml
but yeah we should allow pinctrl-1 and pinctrl-2 here aswell by adding:

             pinctrl-1: true
             pinctrl-2: true

> 
> Best regards,
> Krzysztof
> 
Neil