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 X-Spam-Level: X-Spam-Status: No, score=-5.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53075C433E6 for ; Wed, 15 Jul 2020 13:51:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 24DEA20658 for ; Wed, 15 Jul 2020 13:51:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594821117; bh=/bT6w4f5A2YqDbGUjn8qK0yZTKezWpn570rvkh4CPno=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=1Y1Ojdk1JSYSfQt0wurtuTMh6waTFP9ln0BB7daZBRFfOYIrOKVGx83nNs/vwzOCu aXYBR26ywRy0R1m2b5JIQAlrAoqOhnOykpQSSH0tXVrQaw9nbBURXAQeAcaBfBIl4J hSt5Z1DfTUZ+o6DxEAGb3yzvUz1HVu7I8TwfJxQ0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729714AbgGONv4 (ORCPT ); Wed, 15 Jul 2020 09:51:56 -0400 Received: from mail.kernel.org ([198.145.29.99]:46222 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729086AbgGONv4 (ORCPT ); Wed, 15 Jul 2020 09:51:56 -0400 Received: from localhost (fw-tnat.cambridge.arm.com [217.140.96.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 29BD620657; Wed, 15 Jul 2020 13:51:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594821115; bh=/bT6w4f5A2YqDbGUjn8qK0yZTKezWpn570rvkh4CPno=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=tZHzSmPW6RxO6+AeMs5azY0kFob3acvs6hccoS8+7AaCqxhkGsr1EAz1rTr4OoaTW GzdGM7BqSU8L3jkomLXG59g9M1u0axICkVKONip1bH9DTzj+vpwdwVPBR1TUCCYmZQ GWmB0C26qLaOYmhRO9Z4B+/MiJTt90IQY5ToZM3U= Date: Wed, 15 Jul 2020 14:51:46 +0100 From: Mark Brown To: Frieder Schrempf Cc: linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org Subject: Re: [PATCH] spi: spidev: Add compatible for external SPI ports on Kontron boards Message-ID: <20200715135146.GG5431@sirena.org.uk> References: <479d566a-213f-4e33-8ac7-7637ae88e31c@kontron.de> <20200713151108.GB4420@sirena.org.uk> <2eb6971b-7ea4-c9c8-5452-6f4b17e8860a@kontron.de> <20200714192907.GJ4900@sirena.org.uk> <16825a78-8eb0-90f2-433a-d1ae6eed6ba8@kontron.de> <20200715113609.GD5431@sirena.org.uk> <824b8479-e204-d087-7887-a2dbefa0f844@kontron.de> <20200715131033.GF5431@sirena.org.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="3xoW37o/FfUZJwQG" Content-Disposition: inline In-Reply-To: X-Cookie: 40 isn't old. If you're a tree. User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org --3xoW37o/FfUZJwQG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Jul 15, 2020 at 03:48:37PM +0200, Frieder Schrempf wrote: > On 15.07.20 15:10, Mark Brown wrote: > > I'm not sure platforms like this are a great fit for DT TBH - the > > trouble with DT is that it turns things into ABIs regardless of if it's > > really a finished thing, platform data based systems were a lot more > > flexible here. > I see your point. Still it seems like the overlays would provide a > sufficient alternative in matters of flexibility. Raspberry Pi uses it for > years, which made me assume that some generic loading API is available. But > it seems like everything is RPi-specific and downstream. Yes, overlays would be fine if there were a way to use them for connectors like this. The connectors are a real problem, it's not just RPi that has their own loaders/infrastructure downstream. --3xoW37o/FfUZJwQG Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl8PCfEACgkQJNaLcl1U h9ClAQf7BaOgQgQ4X3u/iwrjv7DwfTmsmVKjeYTdVQS2HW1v7PpY8xIHLc+Dh8tJ Pb87yfYyyk7YPIxjSFVL9Xfr5BObBkmGGRAozk9dN78KFZiWJP4Q08ZLAwzD8prX +e27N1pSBWlZPIvxDpMe88nQrHVc9Cp8EytYCTU+uZn+IiFCzAE534mMcRgPvrAn bcYgIWm60d7qDjdQJDj7ByN4TXQmAm0nQj5V0/qqf88aQ7cVk65nvzgun6ExE0ZO Gng9RRfpmwD4w/6bbrEPFL2AO3jmKb2L48gtRsUBn348nvwGFCJ7dnmVNIR4IAxS eOYOnjK/EmS3Qg1suU2eW/PJ1CYSlQ== =Cwx6 -----END PGP SIGNATURE----- --3xoW37o/FfUZJwQG--