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 C9A0ACCF9E5 for ; Mon, 27 Oct 2025 15:14:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=7/30u/8ssdnTOvh477CuDj9N82gZBBCDPiuz0noNtGo=; b=Av39JHy/YIRF9Y Y5aJeFT4MAnw4l484ZdMeV/3jw2QuZkzgB066cc9CY/jEOWKeoQRAUbPjnuliQNnsPrlrrMyCjWo+ aubKqTRA6PTDJlUz4hGUToK/M2Sq5MEPCvcHY/h+4AACMSenXq1QhjahnzqliU2aYcV4cg8Z1Hmwx 7iVoSd4+N3QVZIV1fATozP+qhBXIfMXjWKoy1se2T9Vb/iyggD0U19lB9P3Xz/tFsMjWsyi/2Hbgh oXPGA4U2cIaOJXxSa1S0uY1QNCV/LkypCT7YzM03RQ4FfsWum6LeLwbzCTkaTbwwJdrRzbQVtT5OK 43jN4ekWJ+Z8CQAGTViA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vDOuz-0000000ECUA-16Qk; Mon, 27 Oct 2025 15:13:57 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vDOuy-0000000ECTi-1WDV for linux-riscv@lists.infradead.org; Mon, 27 Oct 2025 15:13:56 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id C4FDA602BC; Mon, 27 Oct 2025 15:13:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1C6ABC4CEF1; Mon, 27 Oct 2025 15:13:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761578035; bh=W2Fm/JXD3DZoOXC3XAzhtcZToQPBAK1HXhOkauQfS8U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=FjHqcYc/bPckDKMAfWyb04uL6xHe4Sfz7haCynNGyDUcz3ouzLeBxJzZb/HA0Q0S4 SDfbr+exnE4dssaEmxfq51u1izA5kQd0331hzYLOaWtMsrSqU55Mo2ENaScUFqRr6/ D9vPKEluFb32VANqEU/Yp9I0PF5S5XhhkQeW2KlqzXTaGNa2XxyW7LkS5t6jqKNUZb ApCpg0waTEa8vzr5ILz7EnK5R9kGIzqL/L7iCHoNRRFEzGxppbOSxwxl62DxWYP4O+ 7BzIDSnHw0z/p5/XqJ8j6ND4hsURGHnwpb0cttb/GtYiVBqLMQqNoDKQxfFDrlc1uY CCL4BPcbUhfdA== Date: Mon, 27 Oct 2025 10:13:52 -0500 From: Rob Herring To: Conor Dooley Cc: Longbin Li , Krzysztof Kozlowski , Conor Dooley , Chen Wang , Inochi Amaoto , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Alexander Sverdlin , Yu Yuan , Ze Huang , devicetree@vger.kernel.org, sophgo@lists.linux.dev, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH v4 1/3] dt-bindings: soc: sophgo: add TOP syscon for CV18XX/SG200X series SoC Message-ID: <20251027151352.GA765054-robh@kernel.org> References: <20251024030528.25511-1-looong.bin@gmail.com> <20251024030528.25511-2-looong.bin@gmail.com> <20251024-hangout-designing-33e96c0d35fc@spud> <20251025-shakable-jujitsu-3a5e9c8895a5@spud> <20251026-registrar-impart-0f714e11e410@spud> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20251026-registrar-impart-0f714e11e410@spud> X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Sun, Oct 26, 2025 at 09:44:12PM +0000, Conor Dooley wrote: > Rob, Longbin, > > On Sun, Oct 26, 2025 at 05:47:32PM +0800, Longbin Li wrote: > > On Sat, Oct 25, 2025 at 01:44:00PM +0100, Conor Dooley wrote: > > > On Sat, Oct 25, 2025 at 10:27:13AM +0800, Longbin Li wrote: > > > > On Fri, Oct 24, 2025 at 05:46:03PM +0100, Conor Dooley wrote: > > > > > > > > > > ... > > > > > > + > > > > > > +properties: > > > > > > + compatible: > > > > > > + oneOf: > > > > > > + - items: > > > > > > + - const: sophgo,cv1800b-top-syscon > > > > > > + - const: syscon > > > > > > + - const: simple-mfd > > > > > > + > > > > > > + reg: > > > > > > + maxItems: 1 > > > > > > + > > > > > > + "#address-cells": > > > > > > + const: 1 > > > > > > + > > > > > > + "#size-cells": > > > > > > + const: 1 > > > > > > + > > > > > > + ranges: true > > > > > > > > > > Do you actually use ranges? > > > > > > > > > Actually, I do not use it. > > I added it following Rob's suggestion in > > https://lore.kernel.org/all/20251015134144.GA3265377-robh@kernel.org/. > > Should I drop it or not? > > I don't know why he suggested it, if it is not being used. Rob? Child nodes are memory-mapped, right? MMIO should have 'ranges' all the way down. Doesn't matter if Linux (currently) uses it or not. Rob _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv