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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 693C0C433EF for ; Wed, 22 Dec 2021 17:20:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233316AbhLVRUd (ORCPT ); Wed, 22 Dec 2021 12:20:33 -0500 Received: from mail-qv1-f53.google.com ([209.85.219.53]:42613 "EHLO mail-qv1-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230222AbhLVRUd (ORCPT ); Wed, 22 Dec 2021 12:20:33 -0500 Received: by mail-qv1-f53.google.com with SMTP id q4so2903181qvh.9; Wed, 22 Dec 2021 09:20:33 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=a0nsqOSUC19qSjY8cD/nHB7fi0tQEVn7WPyxI3iDGdE=; b=pTRermqo0hTO10KrLEeFmEpzyjFZYp6ZOQxqxuYRMBNDOVujYddmx069qiAWxCAJ6i PqDBE10YjICm6rOjNXvaPLY6x16RuQXKZrsfbQbNA+yF01wZWdenVriSluNk/CZnr46V Y3Bc2FSeG23rtG+abynjparBbC1ReRinMLH9pVBB1zy1XQNPglw1FJvQ1eOW/jZPgs3X DmRkEizZMhiDXBCHO0kFV2Uo2v2CZX/GwifPMQPhBwnMtLAvEUlOO/RYDyZEdnEkCXWY tLxabXgF/5fdx+3EhbcM8VzQcFFVUk/KIxr/Jlj/PcBhNpfqoDJogd2+f/iQlDLxo0PX sDRA== X-Gm-Message-State: AOAM530BuxkKYbSUSRzVt4EXyCnzgSre/J6yvxyw2469SLhxAeflIos8 +8AUlXSjr/P0EBPTOT1Z1w== X-Google-Smtp-Source: ABdhPJzE/OH+L8kidyFrzZMckxaEXTWuD4w5ageV1YGENdTSThNnLhLCIv7WIwxTBr2rs+e6UQAb6Q== X-Received: by 2002:a05:6214:c42:: with SMTP id r2mr3273655qvj.53.1640193632837; Wed, 22 Dec 2021 09:20:32 -0800 (PST) Received: from robh.at.kernel.org ([24.55.105.145]) by smtp.gmail.com with ESMTPSA id r187sm2124946qke.11.2021.12.22.09.20.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Dec 2021 09:20:32 -0800 (PST) Received: (nullmailer pid 2351409 invoked by uid 1000); Wed, 22 Dec 2021 17:20:30 -0000 Date: Wed, 22 Dec 2021 13:20:30 -0400 From: Rob Herring To: Thierry Reding Cc: Krzysztof Kozlowski , Jon Hunter , devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 5/5] dt-bindings: memory: tegra210: Mark EMC as cooling device Message-ID: References: <20211217165919.2700920-1-thierry.reding@gmail.com> <20211217165919.2700920-5-thierry.reding@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211217165919.2700920-5-thierry.reding@gmail.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Fri, Dec 17, 2021 at 05:59:19PM +0100, Thierry Reding wrote: > From: Thierry Reding > > The external memory controller found on Tegra210 can use throttling of > the EMC frequency in order to reduce the memory chip temperature. Mark > the memory controller as a cooling device to take advantage of this > functionality. > > Signed-off-by: Thierry Reding > --- > .../bindings/memory-controllers/nvidia,tegra210-emc.yaml | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml > index bc8477e7ab19..95c14deb8941 100644 > --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml > +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml > @@ -44,6 +44,11 @@ properties: > description: > phandle of the memory controller node > > +allOf: > + - $ref: ../thermal/thermal-cooling-devices.yaml /schemas/thermal/... With that, Reviewed-by: Rob Herring > + > +unevaluatedProperties: false > + > required: > - compatible > - reg > @@ -51,8 +56,6 @@ required: > - clock-names > - nvidia,memory-controller > > -additionalProperties: false > - > examples: > - | > #include > @@ -79,4 +82,5 @@ examples: > interrupts = ; > memory-region = <&emc_table>; > nvidia,memory-controller = <&mc>; > + #cooling-cells = <2>; > }; > -- > 2.34.1 > >