Re: [PATCH v2] dt-bindings: net: nxp,sja1105: document spi-cpol/cpha

From: Krzysztof Kozlowski
Date: Thu Nov 03 2022 - 21:44:44 EST


On 03/11/2022 19:33, Vladimir Oltean wrote:
> Hi Krzysztof,
>
> On Wed, Nov 02, 2022 at 02:52:32PM -0400, Krzysztof Kozlowski wrote:
>> Some boards use SJA1105 Ethernet Switch with SPI CPOL and CPHA, so
>> document this to fix dtbs_check warnings:
>>
>> arch/arm64/boot/dts/freescale/fsl-lx2160a-bluebox3.dtb: ethernet-switch@0: Unevaluated properties are not allowed ('spi-cpol' was unexpected)
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
>>
>> ---
>>
>> Changes since v1:
>> 1. Add also cpha
>> ---
>> Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml | 3 +++
>> 1 file changed, 3 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml
>> index 1e26d876d146..3debbf0f3789 100644
>> --- a/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml
>> +++ b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml
>> @@ -36,6 +36,9 @@ properties:
>> reg:
>> maxItems: 1
>>
>> + spi-cpha: true
>> + spi-cpol: true
>> +
>> # Optional container node for the 2 internal MDIO buses of the SJA1110
>> # (one for the internal 100base-T1 PHYs and the other for the single
>> # 100base-TX PHY). The "reg" property does not have physical significance.
>> --
>> 2.34.1
>>
>
> Don't these belong to spi-peripheral-props.yaml?

No, they are device specific, not controller specific. Every device
requiring them must explicitly include them.

See:
https://lore.kernel.org/all/20220816124321.67817-1-krzysztof.kozlowski@xxxxxxxxxx/

Best regards,
Krzysztof