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

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Date:   Tue, 27 Sep 2022 11:35:40 +0200
From:   Amjad Ouled-Ameur <aouledameur@...libre.com>
To:     neil.armstrong@...aro.org, broonie@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-spi@...r.kernel.org,
        narmstrong@...libre.com, Da Xue <da@...re.computer>
Subject: Re: [PATCH 1/2] spi: dt-bindings: amlogic, meson-gx-spicc: Add
 pinctrl names for SPI signal states

Hi Neil

On 9/27/22 10:29, Neil Armstrong wrote:
> Hi,
>
> On 09/08/2022 19:20, 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.
>>
>> Reported-by: Da Xue <da@...re.computer>
>> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
>> Signed-off-by: Amjad Ouled-Ameur <aouledameur@...libre.com>
>
> Don't forget to CC devicetree@...r.kernel.org otherwise it won't be 
> reviewed.

Sure, will do in V2.

Regards,

Amjad

>
>
>> ---
>>   .../bindings/spi/amlogic,meson-gx-spicc.yaml      | 15 +++++++++++++++
>>   1 file changed, 15 insertions(+)
>>
>> diff --git 
>> a/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml 
>> b/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml
>> index 50de0da42c13..10707a8216f5 100644
>> --- a/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml
>> +++ b/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml
>> @@ -43,6 +43,14 @@ properties:
>>       minItems: 1
>>       maxItems: 2
>>   +  pinctrl-0:
>> +    minItems: 1
>> +
>> +  pinctrl-1:
>> +    maxItems: 1
>> +
>> +  pinctrl-names: true
>> +
>>   if:
>>     properties:
>>       compatible:
>> @@ -69,6 +77,13 @@ else:
>>         items:
>>           - const: core
>>   +    pinctrl-names:
>> +      minItems: 1
>> +      items:
>> +        - const: default
>> +        - const: idle-high
>> +        - const: idle-low
>> +
>>   required:
>>     - compatible
>>     - reg