[PATCH v3 1/5] dt-bindings: spi: sun6i: add DT bindings for Allwinner R329/D1/R528/T113s SPI
Krzysztof Kozlowski
krzysztof.kozlowski at linaro.org
Sun May 7 00:43:30 PDT 2023
On 07/05/2023 06:06, Icenowy Zheng wrote:
> 在 2023-05-07星期日的 02:26 +0300,Maksim Kiselev写道:
>> Listed above Allwinner SoCs has two SPI controllers. First is the
>> regular
>> SPI controller and the second one has additional functionality for
>> MIPI-DBI Type C.
>>
>> Add compatible strings for these controllers
>>
>> Signed-off-by: Maksim Kiselev <bigunclemax at gmail.com>
>> ---
>> .../devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml | 7
>> +++++++
>> 1 file changed, 7 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/spi/allwinner,sun6i-
>> a31-spi.yaml b/Documentation/devicetree/bindings/spi/allwinner,sun6i-
>> a31-spi.yaml
>> index de36c6a34a0f..807dde457e3b 100644
>> --- a/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-
>> spi.yaml
>> +++ b/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-
>> spi.yaml
>> @@ -21,6 +21,7 @@ properties:
>> oneOf:
>> - const: allwinner,sun6i-a31-spi
>> - const: allwinner,sun8i-h3-spi
>> + - const: allwinner,sun50i-r329-spi
>> - items:
>> - enum:
>> - allwinner,sun8i-r40-spi
>> @@ -28,6 +29,12 @@ properties:
>> - allwinner,sun50i-h616-spi
>> - allwinner,suniv-f1c100s-spi
>> - const: allwinner,sun8i-h3-spi
>> + - items:
>> + - enum:
>> + - allwinner,sun20i-d1-spi
>> + - allwinner,sun20i-d1-spi-dbi
>
> In this case I will prefer to list all 4 compatibles if backward
> compatibility is used:
> "allwinner,sun20i-d1-spi-dbi", "allwinner-sun20i-d1-spi",
> "allwinner,sun50i-r329-spi-dbi", "allwinner, sun50i-r329-spi", in case
> if we were gaining support for either quirks of D1 controller or
> SPI_DBI controllers.
>
I don't understand. If I see correctly, all four of them are specified.
Best regards,
Krzysztof
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