[PATCH 1/3] spi: dt-bindings: amlogic: spisg: Document A9-specific properties

[Xianwei Zhao]

Hi Krzysztof,
    Thank you for your advice.

On 2026/7/21 18:18, Krzysztof Kozlowski wrote:
> On Fri, Jul 17, 2026 at 07:49:33AM +0000, Xianwei Zhao wrote:
>> Document the Amlogic A9 SPISG controller and its additional
>> Device Tree properties.
>>
>> Add the "amlogic,a9-spisg" compatible string and define the
>> A9-specific "amlogic,mo-idle-output" and "amlogic,word-gap"
>> properties, which configure the MOSI idle output level and
>> the inter-word gap, respectively.
>>
>> Signed-off-by: Xianwei Zhao<xianwei.zhao at amlogic.com>
>> ---
>>   .../devicetree/bindings/spi/amlogic,a4-spisg.yaml  | 36 +++++++++++++++++++---
>>   1 file changed, 32 insertions(+), 4 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/spi/amlogic,a4-spisg.yaml b/Documentation/devicetree/bindings/spi/amlogic,a4-spisg.yaml
>> index 9bfb8089f7ea..7efdc748d566 100644
>> --- a/Documentation/devicetree/bindings/spi/amlogic,a4-spisg.yaml
>> +++ b/Documentation/devicetree/bindings/spi/amlogic,a4-spisg.yaml
>> @@ -11,12 +11,11 @@ maintainers:
>>     - Xianwei Zhao<xianwei.zhao at amlogic.com>
>>     - Sunny Luo<sunny.luo at amlogic.com>
>>
>> -allOf:
>> -  - $ref: spi-controller.yaml#
>> -
>>   properties:
>>     compatible:
>> -    const: amlogic,a4-spisg
>> +    enum:
>> +      - amlogic,a4-spisg
>> +      - amlogic,a9-spisg
>>
>>     reg:
>>       maxItems: 1
>> @@ -42,6 +41,35 @@ required:
>>     - clocks
>>     - clock-names
>>
>> +allOf:
>> +  - $ref: spi-controller.yaml#
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            enum:
>> +              - amlogic,a9-spisg
>> +    then:
>> +      properties:
> Properties MUST be defined in top-level. You only restrict them here.
> See writing-schema and example-schema.
> 

Will do.

> Best regards,
> Krzysztof