From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794506981; b=rZU8we/ZpjoBtsZEYpHJTzeXGTwqHZrIfoMrzxtAH7Y/O0ObZaoT5Jr5KBhIMUJdI7/p czTXep9lYD/HjNu+WXuhyG5zg/Me/hPDGYM+k7Q+ytl3jhMswxDW07pE16HuwgZZfV5Yo fc+Z9+u1wObCYDNYK8cWrUwqv3O0Kj07XhYFf2DEziQYtZ4X11tT+VHZ/3VK7rPmBrGRN WYwyBM6086vUYoJD67YfDNdCX2Ac09lL4TPaBAyCJSmFL6Qo9xpusYV68L3SrRnaDY3RY 8nLz8YTOfpgA34yb3AcH6+LACS7b+bjY0XG10UVXvPWg1zCiTLVT6Klk1cEJJ8r64sw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794506981; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=BaJY9G+O3FV1i4Zpgu7P0a7EUVdMBobV+mJJcOvaSzo=; b=tau7XVm+jfzx9Y/jCMnclk8N8ZYzwhKfVLwbZWHbVj+UVBvd93xsdyL2D3ZHL0PBtaOj muPVNEbS1G72gx0CW4cw1uL+rPsPgVYep8hwnkjfU7S3tb3rKCGjk9ZJguY9/z3sD7C49 lsACI8MMKafpLIS9cO+77H0kdZ9mSjU107JEVPRmtymoT1P5EWhv5WDu4cgh89JO/jGOo SZ1oXc4exSrdaT1EhJtpaut4J63VMp6/dlVzPk3lxFitq3n4/C6IPWfBpijo3j+4CfiCM Y3R1g1WU9vh4eHxnbZQxdJGqirHdTKPKaYF9AqFd9jWezvLo4Brsp0DoOlvFOWNPwIQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b="j3ysJ/Az"; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3D6D2606A31C; Thu, 12 Nov 2026 18:09:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=j3ysJ/Az Received: by smtp.kernel.org (Postfix) with ESMTPSA id 43E841F000C5; Thu, 12 Nov 2026 18:09:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794506980; bh=BaJY9G+O3FV1i4Zpgu7P0a7EUVdMBobV+mJJcOvaSzo=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=j3ysJ/AzR4MH4ikdO1YwwWaxii5G4sAtBGA6cMwZqjr0MixLbSbne7fyiCGMiq1Nm NPwKpU5w5Q+3g4vC9yB0mwBEmKfAhKhuz9JfQ1/st/eJXWm5raMg6NthedUntCrVQF xHuoWCx2h1QnUjuXlFG3nZfS5qJWqMsS+DvSoqIG4X8SJKIDDaNY7dJuUG4T3W9wmY fFPjqG9D4sfdmXo3sVKHEavtE2UdxHaS2WEU/Z/7F3u65rFdrsIviyvgyylKWo8OOj TFpxVAti0skO9O1Yv9sCNeIt0do5m6RDjGZUhYjCZZ1RvVB13KmLDmfFHUrBlY1H2h bKmr7x1CMyXUQ== Date: Thu, 12 Nov 2026 18:09:36 +0000 From: Conor Dooley To: Nuno =?iso-8859-1?Q?S=E1?= Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , Jisheng Zhang , Fei Xie , Pratyush Yadav , Parshuram Thombare , Konrad Kociolek , Mark Brown , Jayshri Pawar Subject: Re: [PATCH v2 6/8] spi: dt-bindings: cdns,xspi: add ADI SC846 compatible Message-ID: <20261112-sincerity-snuff-9451330d3ed5@spud> References: <20261111-xspi-cadence-add-acmd-v2-0-d339046ada8b@analog.com> <20261111-xspi-cadence-add-acmd-v2-6-d339046ada8b@analog.com> <20261111-entomb-backdrop-815e4dc81c7e@spud> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="MquIn60EIiF6IsU4" Content-Disposition: inline In-Reply-To: --MquIn60EIiF6IsU4 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Nov 12, 2026 at 09:41:17AM +0000, Nuno S=E1 wrote: > On Thu, Nov 12, 2026 at 09:32:36AM +0000, Nuno S=E1 wrote: > > On Wed, Nov 11, 2026 at 05:58:09PM +0000, Conor Dooley wrote: > > > On Wed, Nov 11, 2026 at 01:23:07PM +0000, Nuno S=E1 wrote: > > > > The Analog Devices ADSP-SC846 SoC integrates the Cadence xSPI contr= oller > > > > with its own PHY timing configuration and with the support needed f= or > > > > the auto command (ACMD) mode with the internal DMA, so it cannot be > > > > described by the generic "cdns,xspi-nor" compatible. Add a SoC spec= ific > > > > compatible for it. > > >=20 > > > I assume it's the phy timing that means the cdns,xspi-nor compatible > > > cannot be used as a fallback? > >=20 > > Exactly. Without proper phy settings we cannot probe the memory chips. > > There are some works being done to support phy tuning but even when > > that lands, not sure how generic it could be supported. > >=20 > > Hmm, I guess you want the above mentioned in the commit right?=20 >=20 > Nevermind, it's already in there. ye I just wanted to clarify, because it wasn't entirely clear that this made it incompatible since I'm not a domain expert. Acked-by: Conor Dooley pw-bot: not-applicable --MquIn60EIiF6IsU4 Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHQEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCavYA3wAKCRB4tDGHoIJi 0kxGAQCp0V8BVgNuNxizBOeL5wbELjJPl/O+CR2lqdIyCmaMKAD3QeiT17bUF4+H HUIHcyK3Zx6GdijCvQ1WfbKEsBoMBA== =VG+/ -----END PGP SIGNATURE----- --MquIn60EIiF6IsU4--