[RFC PATCH-v2 1/3] dt-bindings: i3c: snps: Add Altera SoCFPGA compatible

Krzysztof Kozlowski krzk at kernel.org
Fri Oct 31 01:37:53 PDT 2025


On 31/10/2025 09:27, adrianhoyin.ng at altera.com wrote:
> From: Adrian Ng Ho Yin <adrianhoyin.ng at altera.com>
> 
> Add the "altr,socfpga-dw-i3c-master" compatible string to the
> Synopsys DesignWare I3C master binding. This allows SoCFPGA
> platforms such as Agilex5 to use the generic DW I3C master
> controller while applying any required platform-specific quirks.
> 
> Signed-off-by: Adrian Ng Ho Yin <adrianhoyin.ng at altera.com>
> ---
>  .../devicetree/bindings/i3c/snps,dw-i3c-master.yaml         | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.yaml b/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.yaml
> index 5f6467375811..b382d3a72bf7 100644
> --- a/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.yaml
> +++ b/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.yaml
> @@ -14,7 +14,11 @@ allOf:
>  
>  properties:
>    compatible:
> -    const: snps,dw-i3c-master-1.00a
> +    oneOf:
> +      - const: snps,dw-i3c-master-1.00a
> +      - items:
> +          - const: altr,socfpga-dw-i3c-master

You need soc specific compatible (see writing bindings). There is no
such SoC as socfpga. Otherwise please point me to the line in the
*existing* bindings describing this SoC.

Best regards,
Krzysztof



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