linux-kernel - Re: [PATCH 13/13] dt-bindings: lpspi: Document support for S32G

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Message-ID: <c33c549d-71fb-4778-a1bf-454aab1dcd8e@linaro.org>
Date: Mon, 18 Aug 2025 16:00:37 +0100
From: James Clark <james.clark@...aro.org>
To: Frank Li <Frank.li@....com>
Cc: Mark Brown <broonie@...nel.org>, Clark Wang <xiaoning.wang@....com>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
 Sascha Hauer <s.hauer@...gutronix.de>, Fabio Estevam <festevam@...il.com>,
 Larisa Grigore <larisa.grigore@....nxp.com>,
 Larisa Grigore <larisa.grigore@....com>,
 Ghennadi Procopciuc <ghennadi.procopciuc@....com>,
 Ciprianmarian Costea <ciprianmarian.costea@....com>, s32@....com,
 linux-spi@...r.kernel.org, imx@...ts.linux.dev,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 13/13] dt-bindings: lpspi: Document support for S32G



On 14/08/2025 7:23 pm, Frank Li wrote:
> On Thu, Aug 14, 2025 at 05:06:53PM +0100, James Clark wrote:
>> From: Larisa Grigore <larisa.grigore@....com>
>>
>> S32G2 and S32G3 are currently treated the same way in the driver, so
>> require that S32G3 is always paired with the S32G2 compatible string
>> until there is divergence in the future.
> 
> Add compatible string 'nxp,s32g2-lpspi' and 'nxp,s32g3-lpspi' for S32G2
> and S32G3. Allow nxp,s32g3-lpspi fallback to nxp,s32g2-lpspi since back
> compatibity.

Ack

> 
> This is independent part with other patches, you can send seperately.
> 

Replied on other threads about this.

> Frank
>>
>> Signed-off-by: Larisa Grigore <larisa.grigore@....com>
>> Signed-off-by: James Clark <james.clark@...aro.org>
>> ---
>>   Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml | 5 +++++
>>   1 file changed, 5 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
>> index 3f8833911807..9fc98b0f3428 100644
>> --- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
>> +++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
>> @@ -20,6 +20,7 @@ properties:
>>         - enum:
>>             - fsl,imx7ulp-spi
>>             - fsl,imx8qxp-spi
>> +          - nxp,s32g2-lpspi
>>         - items:
>>             - enum:
>>                 - fsl,imx8ulp-spi
>> @@ -27,6 +28,10 @@ properties:
>>                 - fsl,imx94-spi
>>                 - fsl,imx95-spi
>>             - const: fsl,imx7ulp-spi
>> +      - items:
>> +          - const: nxp,s32g3-lpspi
>> +          - const: nxp,s32g2-lpspi
>> +
>>     reg:
>>       maxItems: 1
>>
>>
>> --
>> 2.34.1
>>