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=-2.3 required=3.0 tests=DATE_IN_PAST_24_48, DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_NEOMUTT autolearn=ham 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 D6CB7C31E45 for ; Thu, 13 Jun 2019 13:25:43 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id AC5572147A for ; Thu, 13 Jun 2019 13:25:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="eeHC2j8x" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AC5572147A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject: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=XeuPmZhTnzikf9rFJAsSmDTIox3m5GcftuQiA+7+9MY=; b=eeHC2j8xCpQWZNseh9k8EOleN q2yCUu/kEDRQd4Lrf4aYBJSrFaKcWZdDY4pUYHc5AJeWgiwLHjdxQuOvPlkL04HqbHarYlT+URS+p sGAMI8TETXrUoD07Vev6/ksZlF0fpWUPID0mkvyLDg6LxdEgekBOdb3APGlVcEah7ntJqLWn8rqrd yMdcWur7BXfQNlbfhc5Ew6fia6qqP/rhqZ2mdmhqvlw7+0pJDwNqCNEnV1REa4h6pZ4RxPv73gO9X CHzzAeUYc/JVgLoWhfS45ZUBok7yxyJEhs7YA6OPugFPZ7cqpJrL9L+5Q2cyLSeMbc6qkdVOIuD9+ GBwTwOKUg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hbPja-0002yp-G1; Thu, 13 Jun 2019 13:25:42 +0000 Received: from relay6-d.mail.gandi.net ([217.70.183.198]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hbPjW-0002xq-SA for linux-arm-kernel@lists.infradead.org; Thu, 13 Jun 2019 13:25:40 +0000 X-Originating-IP: 90.88.159.246 Received: from localhost (aaubervilliers-681-1-40-246.w90-88.abo.wanadoo.fr [90.88.159.246]) (Authenticated sender: maxime.ripard@bootlin.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id B224FC0002; Thu, 13 Jun 2019 13:25:15 +0000 (UTC) Date: Tue, 11 Jun 2019 16:58:56 +0200 From: Maxime Ripard To: Rob Herring Subject: Re: [PATCH v2 05/11] dt-bindings: net: sun4i-emac: Convert the binding to a schemas Message-ID: <20190611145856.ua2ggkn6ccww6vpp@flea> References: <91618c7e9a5497462afa74c6d8a947f709f54331.1560158667.git-series.maxime.ripard@bootlin.com> <20190610143139.GG28724@lunn.ch> MIME-Version: 1.0 In-Reply-To: User-Agent: NeoMutt/20180716 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190613_062539_238634_25A60153 X-CRM114-Status: GOOD ( 17.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Andrew Lunn , Florian Fainelli , Alexandre Torgue , devicetree@vger.kernel.org, Antoine =?utf-8?Q?T=C3=A9nart?= , netdev , linux-stm32@st-md-mailman.stormreply.com, Chen-Yu Tsai , Maxime Coquelin , Maxime Chevallier , Frank Rowand , "David S . Miller" , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , Heiner Kallweit Content-Type: multipart/mixed; boundary="===============2313426000568281042==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============2313426000568281042== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="akgu3rpnhcjfd75m" Content-Disposition: inline --akgu3rpnhcjfd75m Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Rob, On Mon, Jun 10, 2019 at 12:59:29PM -0600, Rob Herring wrote: > On Mon, Jun 10, 2019 at 8:31 AM Andrew Lunn wrote: > > > > > +required: > > > + - compatible > > > + - reg > > > + - interrupts > > > + - clocks > > > + - phy > > > + - allwinner,sram > > > > Quoting ethernet.txt: > > > > - phy: the same as "phy-handle" property, not recommended for new bindings. > > > > - phy-handle: phandle, specifies a reference to a node representing a PHY > > device; this property is described in the Devicetree Specification and so > > preferred; > > > > Can this be expressed in Yaml? Accept phy, but give a warning. Accept > > phy-handle without a warning? Enforce that one or the other is > > present? > > The common schema could have 'phy: false'. This works as long as we've > updated (or plan to) all the dts files to use phy-handle. The issue is > how far back do you need kernels to work with newer dtbs. I guess another question being raised by this is how hard do we want to be a deprecating things, and should the DT validation be a tool to enforce that validation. For example, you've used in you GPIO meta-schema false for anything ending with -gpio, since it's deprecated. This means that we can't convert any binding using a deprecated property without introducing a build error in the schemas, which in turn means that you'll have a lot of friction to support schemas, since you would have to convert your driver to support the new way of doing things, before being able to have a schema for your binding. And then, we need to agree on how to express the deprecation. I guess we could allow the deprecated keyword that will be there in the draft-8, instead of ad-hoc solutions? Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --akgu3rpnhcjfd75m Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXP/BsAAKCRDj7w1vZxhR xU7tAQDcrE7AmbrNpKlW8XjNBwjZBTaNMJbwICwP0nzygayxHQD+MjHzz6TZnhQF Qm1qbD7O25WDq9BPnYW8XMjLhY6IgQE= =f1jE -----END PGP SIGNATURE----- --akgu3rpnhcjfd75m-- --===============2313426000568281042== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============2313426000568281042==--