From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 336EAF31E39 for ; Thu, 9 Apr 2026 15:36:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=GaBsF253+7/0/7ERds0sHbzej0dAyfzmyKqbhi68H6c=; b=dCHZSHtTqljXp2pVsl/S5Lfywu DLgpiFJEIix2sKSkiY8uffuQWGz270ImVDLChxqwwx1wwwUaLWEzhS4Mxkw61u73dJ+KLSGVEetC5 1fTd/CaLlETB+plGrOlYLE38gg9V9q126bA5Ak8OXrVug9XqRYZLlSPDQedUwaR7+UZfqYRHZZpXY +SOYHBI47SZ8qLx/bgOgXfKRhj+OMYWo6QfPpyPc9fxXE2w+ibzrnt5uy23BWjzVyU3XVUzOfMyJz knMz2Id7+/bwEsoOMq2eY973OnNXHNqOFRYwiJgHUKPjpwTTPO1xVlBDhNRJUABDrxj26wu6mDwHx 5jPiXlSw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wArQT-0000000AoAN-2xTD; Thu, 09 Apr 2026 15:36:13 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wArQS-0000000AoAF-2Q0T for linux-arm-kernel@lists.infradead.org; Thu, 09 Apr 2026 15:36:12 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id E5CCE600CB; Thu, 9 Apr 2026 15:36:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 03943C4CEF7; Thu, 9 Apr 2026 15:36:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775748971; bh=GaBsF253+7/0/7ERds0sHbzej0dAyfzmyKqbhi68H6c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=oFVh+w9B2ldMkOPGVl6bIKnn59TCHL0dytoqAX3A1iQs2ErGvYeLQmmpfm8lef8mq VoExxPRoA8rQN0DeT+s+6uqcL7AXkMyTholVv57reE6JSRkV0P1YFJDvY/C/nJMt5b VVnAXF9iLERirSIfpaoqcEcKGHJYoMrz5fz2hz17zxWlCEpWw2+yZMR5uQ5536BhpG eTLofzn2Y+BROrNBOKopUwJ/n02Xrh5xBvCKFEyB+QQwRJRHMIcRpU2M/755+FVZMf 03FRvcgHnbYJU7CVHc1l5qU+cud+t4cFdzYiNLUPmY/ZMhNpFbNOiB3bDkUHaltkT1 LBuz7zpWpAlIA== Date: Thu, 9 Apr 2026 16:36:04 +0100 From: Conor Dooley To: Josua Mayer Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Andrew Lunn , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Yazan Shhady , Mikhail Anikin , Alexander Dahl , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Vladimir Oltean , Conor Dooley , Krzysztof Kozlowski , netdev@vger.kernel.org Subject: Re: [PATCH v2 1/3] dt-bindings: net: dsa: nxp,sja1105: make spi-cpol optional for sja1110 Message-ID: <20260409-afar-striving-d89022c8a2bc@spud> References: <20260409-imx8dxl-sr-som-v2-0-83ff20629ba0@solid-run.com> <20260409-imx8dxl-sr-som-v2-1-83ff20629ba0@solid-run.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="FfoVPBWIp5Jpffvt" Content-Disposition: inline In-Reply-To: <20260409-imx8dxl-sr-som-v2-1-83ff20629ba0@solid-run.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --FfoVPBWIp5Jpffvt Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Apr 09, 2026 at 02:34:33PM +0200, Josua Mayer wrote: > Currently, the binding requires 'spi-cpha' for SJA1105 and 'spi-cpol' > for SJA1110. >=20 > However, the SJA1110 supports both SPI modes 0 and 2. Mode 2 > (cpha=3D0, cpol=3D1) is used by the NXP LX2160 Bluebox 3. >=20 > On the SolidRun i.MX8DXL HummingBoard Telematics, mode 0 is stable, > while forcing mode 2 introduces CRC errors especially during bursts. >=20 > Drop the requirement on spi-cpol for SJA1110. >=20 > Fixes: af2eab1a8243 ("dt-bindings: net: nxp,sja1105: document spi-cpol/cp= ha") > Signed-off-by: Josua Mayer Acked-by: Conor Dooley --FfoVPBWIp5Jpffvt Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCadfHYQAKCRB4tDGHoIJi 0pHMAP4xcZs2F6zIRBAC+PvYt8NsWbZkNNOCtJhpauOF9O+jugD/dx95sKUe2Px2 XiwZrAPhK4i3PH2q0hqkv0eSMmaMNwY= =I38d -----END PGP SIGNATURE----- --FfoVPBWIp5Jpffvt--