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 2C939C433F5 for ; Fri, 17 Dec 2021 16:59:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239560AbhLQQ7l (ORCPT ); Fri, 17 Dec 2021 11:59:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51034 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239541AbhLQQ7d (ORCPT ); Fri, 17 Dec 2021 11:59:33 -0500 Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5FB5C061746; Fri, 17 Dec 2021 08:59:32 -0800 (PST) Received: by mail-wm1-x32e.google.com with SMTP id o29so2065512wms.2; Fri, 17 Dec 2021 08:59:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=dFHoQPOrbV6E0S61sp0iENhRWxLWfzEEYHIRAwtb27w=; b=LTRIldyNB62poDhP4+555c0Gp8yEd3nIJemwakeK+eB1hYwlAey3xvYAej6umEpWlY /2rhUFYfz6uXMOEKxC0R67Khu+1qYbsK/JThPIu9blSmwI07Kd6nWPH5ZCSp6xvNcCKX npoV3oBxrWhYT7lV3C7UwRV0EaNayGnp89H000YhFfZu++9dn7h3VKjgzFSes5OYMOu6 BWHobu1/VuzCyvwMxcsshtg4ivfNGQGrG276SJUelvfYclajV64YBdsOtdBd67ds9dc3 6cJUev8j7uq8r9jofX2q+FJf8v7X1+fwUKB7pDmdKkyYCa6/4mD9DDFu2juhhkjTSdec rqbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=dFHoQPOrbV6E0S61sp0iENhRWxLWfzEEYHIRAwtb27w=; b=VhwndRUNr9yfQqxQ0USToTLCFNMiuD/snXfcIgvoXEdYGI7Kz/QPMTztBOeEp4IWWD zDzqSvaSADRMmEAinfRnYKbbxF5jdpf9XIdxXobNzit4JNUoB2BdGXQf84VSzpWGab1s xI9WnOKyO+BRQPEloXA4in2th7UEecWRzSnkjjdf0vvO9rhQLHlIY3sd2bHsV8RQ93Do Bqw3e3OVvWefuOpu7eieJ6QsDSQXh87bwcYYh3kfN1AuY6G2FS/eiE17vUY0hxjh2eUe DtXM/5MXxQ/n4+kX2r/oq01JCsg1uF97M+F3vTH5zV/COH2bQC8R8mXMCbshiMCpTcsX LgGw== X-Gm-Message-State: AOAM532mHoMmJBFkdFyPqWQ0tvcsXPeteNBHc2qmqBeOF32JOLXW38v0 dUyAJfp3HiixiEnIywCP09w= X-Google-Smtp-Source: ABdhPJzXXneTut0iRLJDi7+nLqEKV8Tl49rdcNwK7q3KKgYJK3L0zJ2sXWk7DiolnQr+N/9dh2DV1A== X-Received: by 2002:a05:600c:19d0:: with SMTP id u16mr3457837wmq.111.1639760371336; Fri, 17 Dec 2021 08:59:31 -0800 (PST) Received: from localhost ([193.209.96.43]) by smtp.gmail.com with ESMTPSA id t11sm7543851wrz.97.2021.12.17.08.59.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Dec 2021 08:59:30 -0800 (PST) From: Thierry Reding To: Krzysztof Kozlowski , Rob Herring Cc: Jon Hunter , devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 5/5] dt-bindings: memory: tegra210: Mark EMC as cooling device Date: Fri, 17 Dec 2021 17:59:19 +0100 Message-Id: <20211217165919.2700920-5-thierry.reding@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211217165919.2700920-1-thierry.reding@gmail.com> References: <20211217165919.2700920-1-thierry.reding@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 + +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