From: Krzysztof Kozlowski <krzk@kernel.org>
To: Jorijn van der Graaf <jorijnvdgraaf@catcrafts.net>
Cc: David Heidelberg <david@ixit.cz>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Andrew Lunn <andrew+netdev@lunn.ch>,
Bjorn Andersson <andersson@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Conor Dooley <conor.dooley@microchip.com>,
"David S . Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
Paolo Abeni <pabeni@redhat.com>, Rob Herring <robh@kernel.org>,
Luca Weiss <luca.weiss@fairphone.com>,
devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
oe-linux-nfc@lists.linux.dev
Subject: Re: [PATCH v4 3/6] dt-bindings: net: nfc: samsung,s3fwrn5: add the S3NRN4V
Date: Tue, 11 Aug 2026 09:41:21 +0200 [thread overview]
Message-ID: <20260811-statuesque-likable-harrier-d5dbfa@quoll> (raw)
In-Reply-To: <20260807021001.239389-4-jorijnvdgraaf@catcrafts.net>
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@catcrafts.net>
> ---
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Best regards,
Krzysztof
next prev parent reply other threads:[~2026-08-11 7:41 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-07 2:09 [PATCH v4 0/6] nfc: s3fwrn5: support the S3NRN4V variant Jorijn van der Graaf
2026-08-07 2:09 ` [PATCH v4 1/6] nfc: s3fwrn5: drop of_match_ptr() from the I2C driver Jorijn van der Graaf
2026-08-11 7:43 ` Krzysztof Kozlowski
2026-08-07 2:09 ` [PATCH v4 2/6] nfc: s3fwrn5: use the "s3fwrn5_i2c" string literal directly Jorijn van der Graaf
2026-08-08 2:24 ` sashiko-bot
2026-08-07 2:09 ` [PATCH v4 3/6] dt-bindings: net: nfc: samsung,s3fwrn5: add the S3NRN4V Jorijn van der Graaf
2026-08-11 7:41 ` Krzysztof Kozlowski [this message]
2026-08-07 2:09 ` [PATCH v4 4/6] nfc: s3fwrn5: enable the PVDD supply Jorijn van der Graaf
2026-08-08 2:24 ` sashiko-bot
2026-08-11 7:47 ` Krzysztof Kozlowski
2026-08-07 2:10 ` [PATCH v4 5/6] nfc: s3fwrn5: support the S3NRN4V variant Jorijn van der Graaf
2026-08-08 2:24 ` sashiko-bot
2026-08-11 7:53 ` Krzysztof Kozlowski
2026-08-07 2:10 ` [PATCH v4 6/6] arm64: dts: qcom: milos-fairphone-fp6: Add NFC Jorijn van der Graaf
2026-08-08 2:24 ` sashiko-bot
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