From patchwork Sun Aug 30 13:51:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 257291 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3CB1FC433E6 for ; Sun, 30 Aug 2020 14:02:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0E9542078D for ; Sun, 30 Aug 2020 14:02:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598796171; bh=KIsWaH1dYL8/ogBk1dYQlfHHvfK00cHfJ6Ix+cw1xII=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=K/57mDDY+v38AoQavSu2QlgigUjLYg5Td2XYtCtEewhJWNtvQPZ2jGT2JFNDpfYVi BlFSkJOfM+pfExtXWsXWy0hlMlXfa7w8PDD6XECht7uqOHtxakvs+5MwsnV5DANuQ5 WH/xxe1PUhK8V1T3CCHGzyt2MXCo+RUftty2pRRw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726814AbgH3OCl (ORCPT ); Sun, 30 Aug 2020 10:02:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:56784 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728971AbgH3NzY (ORCPT ); Sun, 30 Aug 2020 09:55:24 -0400 Received: from localhost.localdomain (unknown [194.230.155.216]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CA1EE2145D; Sun, 30 Aug 2020 13:55:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598795722; bh=KIsWaH1dYL8/ogBk1dYQlfHHvfK00cHfJ6Ix+cw1xII=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gz4Qk8OKpTTlEZgmQRD9XRjcbDfwgTW41obxj3PBnQZV8E7zXi6YJsSbAfncKmDE5 dOjylJApzEA8bgwdi4GL8XeLSs2vKDmWzGd2bRdBBxMXWC68Kg9Bnng4AC36Ti34P6 htmgNIfBSHvnQ5h1B9AHTOQSxdkqI7PxOS2SUXko= From: Krzysztof Kozlowski To: Rob Herring , Kukjin Kim , Krzysztof Kozlowski , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, "Denis GNUtoo Carikli" , Simon Shields Cc: Marek Szyprowski , Bartlomiej Zolnierkiewicz , Sylwester Nawrocki Subject: [PATCH 29/33] ARM: dts: exynos: Add CPU cooling in SMDK4412 Date: Sun, 30 Aug 2020 15:51:56 +0200 Message-Id: <20200830135200.24304-29-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200830135200.24304-1-krzk@kernel.org> References: <20200830135200.24304-1-krzk@kernel.org> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Add missing cooling devices for CPU thermal zones in Exynos4412 SMDK4412 board. This allows to scale down CPU frequency (and voltage) in case of thermal pressure. Signed-off-by: Krzysztof Kozlowski --- arch/arm/boot/dts/exynos4412-smdk4412.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm/boot/dts/exynos4412-smdk4412.dts b/arch/arm/boot/dts/exynos4412-smdk4412.dts index e70fb6e601f0..3667fa048e0f 100644 --- a/arch/arm/boot/dts/exynos4412-smdk4412.dts +++ b/arch/arm/boot/dts/exynos4412-smdk4412.dts @@ -40,6 +40,21 @@ }; }; +&cpu_thermal { + cooling-maps { + cooling_map0: map0 { + /* Corresponds to 800MHz at freq_table */ + cooling-device = <&cpu0 7 7>, <&cpu1 7 7>, + <&cpu2 7 7>, <&cpu3 7 7>; + }; + cooling_map1: map1 { + /* Corresponds to 200MHz at freq_table */ + cooling-device = <&cpu0 13 13>, <&cpu1 13 13>, + <&cpu2 13 13>, <&cpu3 13 13>; + }; + }; +}; + &keypad { samsung,keypad-num-rows = <3>; samsung,keypad-num-columns = <8>;