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 F3EBEE74AC1 for ; Tue, 3 Dec 2024 15:50:55 +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:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=FntBbgwDw3paUNThVMFtOMuIpO1qBfUPqbUC+hMaZcs=; b=QbXtQYvLSsE01N dqPtzJt7fvJOBDmlPk1AQLidc9nicOVDrkx5AgvqKwBfY6NLfOlxcgt79k0xmUkMEV/xvE/7LqgFI lkTs2b6wcN5+FIXaJQ8o8/gNL0VdvhHZvnnVuEHW4CgJW1GEcEhNeXTXQSUpauMyWy9JWXQdgE/K9 UcaFhSrrUlk8oZQRWDdIzz23D+0XsdogcITHkl4mpGsoYrfj1l5bfSQ4Wauw32QfchtqLx8bMCF/E ZQSo3L1fPMw82Tlo0OoCDrNlqF7y+Pg7mq462HfILa8JLj8MMZk6e/w+H6kWAHRc3zeQTyTLKwMU9 tUo/qgzkabQmeMgWYkNw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tIVAp-00000009zx2-2TvZ; Tue, 03 Dec 2024 15:50:51 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tIVAn-00000009zwN-0A0e for linux-riscv@lists.infradead.org; Tue, 03 Dec 2024 15:50:50 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 830BE5C5F37; Tue, 3 Dec 2024 15:50:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 46A14C4CECF; Tue, 3 Dec 2024 15:50:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733241048; bh=n570EuIKkUoOlNy2/evG9Hp7xcrgmKhixIkmq6odSOk=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=DVIq3Jb9WNnCnWE+4MjokfsdEdsdVthLx80K0FNxA9Y5NyCIQdrJsKKgqO8/Qb8cB dqxEZ3cjofXHsdxsEWGQQ/wyqom0G2srbFzbNGKKntbDRfIn11xovzS4MEBrVxyRWN KFWXLDvwRwN4dIw2eQ16uVslgLJF+rRKbf9Tqi4se//x9I0JjNZxzGqzfQDZpgSlfW TOBiY06rvErj1N77Dr/RMSj6yq8ZqqQMkDZ4mfiYejedThybvlmIS+VA3a+037XyVm H43pD97ZHm3cZALD+7r6DQfGVXkQ/avEWTKHHbeBF4CnREfvV4xR98meNMzCh7ot0k 6jE1s+gDVz1yQ== Message-ID: <2b6ffc5a-4021-459d-ae4c-b2c472960c60@kernel.org> Date: Tue, 3 Dec 2024 16:50:34 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH v1 12/14] riscv: dts: Add Video Output clock and syscon regmap nodes To: Michal Wilczynski , mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, drew@pdp7.com, guoren@kernel.org, wefu@redhat.com, jassisinghbrar@gmail.com, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, frank.binns@imgtec.com, matt.coster@imgtec.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, ulf.hansson@linaro.org, jszhang@kernel.org, m.szyprowski@samsung.com Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-pm@vger.kernel.org References: <20241203134137.2114847-1-m.wilczynski@samsung.com> <20241203134137.2114847-13-m.wilczynski@samsung.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 03/12/2024 14:41, Michal Wilczynski wrote: > The address space controlling the Video Output (VO) subsystem clocks > also contains control registers for GPU resets. To properly synchronize > access to this shared address space, create a syscon Device Tree node > for the VO registers and reference it in the clock controller node. > > This change ensures coordinated access to the VO registers between the > clock controller and other drivers, preventing conflicts and maintaining > system stability. > > Signed-off-by: Michal Wilczynski > --- > arch/riscv/boot/dts/thead/th1520.dtsi | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi > index dc2d554b4a71..39d39059160d 100644 > --- a/arch/riscv/boot/dts/thead/th1520.dtsi > +++ b/arch/riscv/boot/dts/thead/th1520.dtsi > @@ -489,6 +489,18 @@ clk: clock-controller@ffef010000 { > #clock-cells = <1>; > }; > > + vosys_clk: clock-controller { Missing address space. You cannot have here nodes without unit address. It does not look like you tested the DTS against bindings. Please run `make dtbs_check W=1` (see Documentation/devicetree/bindings/writing-schema.rst or https://www.linaro.org/blog/tips-and-tricks-for-validating-devicetree-sources-with-the-devicetree-schema/ for instructions). > + compatible = "thead,th1520-clk-vo"; > + thead,vosys-regmap = <&vosys_reg>; > + #clock-cells = <1>; > + }; > + > + vosys_reg: vosys@ffef528000 { Node names should be generic. See also an explanation and list of examples (not exhaustive) in DT specification: https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation > + compatible = "thead,th1520-vosys", "syscon"; > + reg = <0xff 0xef528000 0x0 0x1000>; > + status = "okay"; Where is it disabled? Drop. Best regards, Krzysztof _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv