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 190E8C61DFD for ; Mon, 31 Aug 2026 19:57:10 +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=r0F8BYIBain3XCPaojazpffPXrFOGPfPC0Ap4Fxv6PM=; b=X3GdkgW6Qkpn5sdqFPVVvsinPf og7UyRmKDwRuWHBKv1cA6xHsAhGQi6IK2ptI9zQUGXfWx93gkN5Jeh47kyzJLKokWImxaXN8wCP3u AoV8wUNrJlLstStIKaGbcbOu9FVvpq62Rz/Qeei9V8Z+44QXcFbuOzXOM8PdEy1ieXf5h3gkzhsRc DVJELk89ivtdSnWs1VgGAQoCS5ZCS7Ri5a/fnDR581jJUj5jqow0BSSVyhV2dDipsGiixyuF9XcO+ 7VrZLGq6A5sZ7Fsb8+Eo/ZF7n9mn1pCTU6wDNIUk76wn2vvcg8vJp2cznbmdNCj48Q0B6lSNoNyMi FjqLOACQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x187p-0000000APBV-05zP; Mon, 31 Aug 2026 19:57:01 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x187n-0000000APBP-1DiB for linux-arm-kernel@lists.infradead.org; Mon, 31 Aug 2026 19:56:59 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 7D248601DE; Mon, 31 Aug 2026 19:56:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 94D681F000E9; Mon, 31 Aug 2026 19:56:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788206217; bh=r0F8BYIBain3XCPaojazpffPXrFOGPfPC0Ap4Fxv6PM=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=ZIiP524kYCP6XiC0VDMBmoGlGe5gNKdplctnttXuNoPusl5IyLBj4oEnp5f4Y29Ng Xq8q7mr8Khq1i4MQLVGIARJ39WvK83Ac33jkn3q+XdRpHZ8z8B2Ewqtu0vPZhmBBYo I8uuk/z4QW93rJBefySi40Gf18EnnhPvBMxJfVaMismlpbZZ+aZyYfe9zierY19hay Q7GEmltMn7ibtWDJNsI3nq1KoQ5jmW+CF2yp9IvmGQywrtLLqn/7WkxONItYoK+Z8n c5vo7+I4SCQP3UxDoha4qNah6uf893mJjIIPa0BRxpKh0187rwUAk0wN+s1hY4kGAS Eu10Lw9Lt0xdA== Date: Mon, 31 Aug 2026 20:56:52 +0100 From: Conor Dooley To: Marek Vasut Cc: linux-arm-kernel@lists.infradead.org, Alexandre Torgue , Christophe Roullier , Conor Dooley , Krzysztof Kozlowski , Maxime Coquelin , Raphael Gallais-Pou , Rob Herring , Yannick Fertre , devicetree@vger.kernel.org, kernel@dh-electronics.com, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com Subject: Re: [PATCH v4 1/2] dt-bindings: arm: stm32: Document st,stm32mp23/25-syscfg subnodes and cells Message-ID: <20260831-attentive-headpiece-c14d7d4086cb@spud> References: <20260828151216.175020-1-marex@nabladev.com> <20260828-target-operable-ebc87e0bf30a@spud> <0f959651-34d9-4fb2-9e07-238f731c5342@nabladev.com> <20260831-clustered-margarine-80bf19005aad@spud> <2b09012a-3cae-4589-b42d-f61d33f2f876@nabladev.com> <20260831-craftily-operative-ac855bdbe897@spud> <2b11d8a8-9f4e-4032-bb41-279e16c69424@nabladev.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="mJZgOBe/0R5PdO65" Content-Disposition: inline In-Reply-To: <2b11d8a8-9f4e-4032-bb41-279e16c69424@nabladev.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 --mJZgOBe/0R5PdO65 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Aug 31, 2026 at 07:38:21PM +0200, Marek Vasut wrote: > On 8/31/26 7:13 PM, Conor Dooley wrote: >=20 > Hello Conor, >=20 > > > > > > > then: > > > > > > > required: > > > > > > > - "#clock-cells" > > > > > > > + - "#address-cells" > > > > > > > + - "#size-cells" > > > > > >=20 > > > > > > else, false? But I'm also not sure what the benefit is of requi= ring > > > > > > addr/size cells when the child node is not? > > > > > The subnodes of this syscfg node have reg property , see [PATCH v= 4 0/4] > > > > > arm64: dts: st: Add STM32MP2 USB support . > > > >=20 > > > > Right, but I was questioning why the properties describing the reg > > > > property in children is required when the children (and thus the reg > > > > property in them) were not made required. > > >=20 > > > Do you mean this patternProperties should be made required in here ? > > >=20 > > > " > > > +patternProperties: > > > + "^phy@[0-9a-f]+$": > > > " > > >=20 > > > Could you please give me a hint how to do that ? git grep gives me no= thing. > >=20 > > I mean, if the phys aren't going to be required I would not make the > > cells properties required. I seem to recall a warning that dtbs_check > > can emit when there are size/addr cells properties in a node where there > > are no children, which is why I questioned this in the first place. > >=20 > > Otherwise, if the phys are to be made required (no idea if they should > > be), I can only recall this being done with the non-pattern variant. IOW > > required: > > - phy@0 > > - phy@1 > The PHYs are part of the hardware and are (going to be) described in the = SoC > DT, so I would argue they should be described as required ? Yeah, and there's almost certainly no chance of them being required being problematic is there, since they don't impact existing code, but have a new (or at least a previously unused on this platform) driver. --mJZgOBe/0R5PdO65 Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCapXchAAKCRB4tDGHoIJi 0ucHAQC5DqttP9INbtx8CZiW4Hs/d/3Eu6d98axXNumJR8kr+wEAqBi1bgb+G2U7 cC1ePu6jgS0swqZBiJvQkvLAH3t1vQI= =7YiT -----END PGP SIGNATURE----- --mJZgOBe/0R5PdO65--