From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C6F394071F3; Tue, 11 Aug 2026 07:41:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786434086; cv=none; b=R4EjYmP4V+/Y2lUmHCtLY/0u5fS2NBH3G2H5MNiz1xDHoKr9hs9jZUf69tVGX/cP1/hsG1cadse2/SZWWs5QxNaQFMy5ZHBbTwW1oebIvnngiGYxnhFdu3qs2YG8Y0i5jTQfv7LbLt606UFi9XHlzXU8HgS75yKqofE0e2bYHHs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786434086; c=relaxed/simple; bh=YE4zxfqoS718PX/VMay3qoI30hnw+4wezmUti26rmEc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=sDO6Tt4N7N8VE32tBifJdSPIFDOiXtN1ptEsrd9HeP1bQLZ7PjQ6fNYnbBLM9UOFgZT5ELvA6i0nPbHbjPPhfDJRwgGelKoQ/AbkXaGYvfk9RCE/d+qqpf5nrqD2RjthiYbn9tCKlocP9C6kkIXc1TVNypE/GbGW600wlqQlWA8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CzsKM3uK; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CzsKM3uK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8F3CC1F000E9; Tue, 11 Aug 2026 07:41:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786434085; bh=8XuLWxH0rXtRYf+MARpPtt9gjBsSQOSsCHiXGGkzL+o=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=CzsKM3uK2unKezMDxuF6LDW+N6NF5MzA2BMblRMQ8bqjq3zTACoIoNodrlexndzXz An9WkyyvSBRIV/ALNA+p5Ifkrw118FFIu+PR9ItOPOAEN3vKiDS0qxTVRpeZuMXbxd SVmKUXPLS1n9ly7IIKKruxLhY/uX525Wrd7TIDkDA7bGxw1TEhYUJlH0NP5jSei7sd CZJJc2RchAwpLOCbuqswwTH+skPjDJj/C1C2yU8av92USvvyOJMuGsvxG57yu6x00F gyY+KDG5pe0dB8LpujHS8/6oOsdOFBtIZr+XXz+PVWevlrNhZkhylMSkws+9810fWt taMteTOxg6Acw== Date: Tue, 11 Aug 2026 09:41:21 +0200 From: Krzysztof Kozlowski To: Jorijn van der Graaf Cc: David Heidelberg , Krzysztof Kozlowski , Andrew Lunn , Bjorn Andersson , Conor Dooley , Conor Dooley , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Konrad Dybcio , Konrad Dybcio , Paolo Abeni , Rob Herring , Luca Weiss , 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 Message-ID: <20260811-statuesque-likable-harrier-d5dbfa@quoll> References: <20260807021001.239389-1-jorijnvdgraaf@catcrafts.net> <20260807021001.239389-4-jorijnvdgraaf@catcrafts.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline 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 > --- Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof