Re: [PATCH v4 3/6] dt-bindings: net: nfc: samsung,s3fwrn5: add the S3NRN4V

[Krzysztof Kozlowski]

On Fri, Aug 07, 2026 at 04:09:58AM +0200, Jorijn van der Graaf wrote:
> The S3NRN4V is a later part in the Samsung NCI NFC controller line
> this binding documents, found e.g. on the Fairphone 6 (SM7635). Its
> host interface is NCI over I2C like the S3FWRN5, but it is not
> compatible with any of the existing parts, so no fallback compatible
> applies: its bootloader reports a hardware version none of the
> existing parts use, and its RF configuration is loaded through a
> different proprietary command set.
> 
> Also document the PVDD supply, the externally switched rail powering
> the controller (boards feed it from a PMIC LDO). It is required for the
> new device; deployed DTs for the existing parts never described a
> supply, so for those it stays optional.
> 
> Assisted-by: Claude:claude-opus-4-8
> Assisted-by: Claude:claude-fable-5
> Signed-off-by: Jorijn van der Graaf <jorijnvdgraaf@xxxxxxxxxxxxx>
> ---

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>

Best regards,
Krzysztof