[PATCH v3 1/2] spi: dt-bindings: amlogic, meson-gx-spicc: Add pinctrl names for SPI signal states
Neil Armstrong
neil.armstrong at linaro.org
Wed Oct 19 09:53:17 PDT 2022
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
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