From patchwork Tue Oct 18 19:51:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 616160 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 91F4FC433FE for ; Tue, 18 Oct 2022 19:53:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230006AbiJRTxy (ORCPT ); Tue, 18 Oct 2022 15:53:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52624 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230010AbiJRTxk (ORCPT ); Tue, 18 Oct 2022 15:53:40 -0400 Received: from mail-pl1-x62b.google.com (mail-pl1-x62b.google.com [IPv6:2607:f8b0:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F0BF8FD5A; Tue, 18 Oct 2022 12:53:10 -0700 (PDT) Received: by mail-pl1-x62b.google.com with SMTP id o21so12444667ple.5; Tue, 18 Oct 2022 12:53:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=Decn228I23NeLLtliUyA2wHQT/chAyjBvAFPep29TTY=; b=gPXw0e5DdOSjS6vUUvJpAJ25al5FdM+3bpuoFbiQViQvegio6bFFg4zi3gRrQqc8QI uNd1nwd6fspz6ZrvMd2DvKYPo7yuPe3pPbz1xvMikstoqaxGPr67o75E0KE0VA4orT55 4KSz4FB75Q3BlufHKu3D58LBG/Gm/tF83H5lUxzVtDjyPNT0WZAaYZ5z1XV/djSnR9/7 p0p7hcIk2ESbzkY1StAXf9RLw+rFJcE3n9Y/TL4rwvQ2syZxXXtVvylM4HhP165eEpYy 3R6v4priW798+Ub3UG0W+hb7YrtEuAqx9pfhkT1JsKwwgTZJeGxJJu59xbITIrYevMDO Z2gQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Decn228I23NeLLtliUyA2wHQT/chAyjBvAFPep29TTY=; b=gmyD52dh5cC2AqZebOcOij1cBAlk016R6wDpmIJWgCLU/wTy2zr3axPxfJsNjGNFYz /xUf9Ge2jW8C6M5vmbq2A3Sq5G9hsbBW0M9hjoOFktM5PkKjzNVmJuEpMQkd+OnGwWe/ UtWP/ZU1OzRaU44harA76iXTBU5X0YGAKZ/svQzZw+FJSyebYmzQhEkYpovPsHKuye26 MOVByLKGdESEu5mxAy6z/e2xRjbJbPz04oAQ53yrwAy3cRgn6NbguK59ubm9ZegrSsg3 TinrCV0trXSxLwC7yrfUwUQTjWJORBVnW2fEWcxRZ3/XDtyaqkjnygdDLm1h/g37BC9M FF2A== X-Gm-Message-State: ACrzQf1qTGvKUPH2hDO5JKFm87J0AF19uTKPhLqiDnm+xWC4XoySE7we NWdsVIvBHrFyUl8vM9HVCjY= X-Google-Smtp-Source: AMsMyM4052ls7BSb0cFjir+Iyuqwp7lSrhnhy4HuHtKCGVeTeGzapD1MCYEa5WwiM98xw7FSZwedAQ== X-Received: by 2002:a17:902:8491:b0:183:c3d2:2112 with SMTP id c17-20020a170902849100b00183c3d22112mr4773643plo.133.1666122789257; Tue, 18 Oct 2022 12:53:09 -0700 (PDT) Received: from localhost.localdomain ([103.51.72.20]) by smtp.gmail.com with ESMTPSA id t25-20020aa79479000000b0056126b79072sm9666063pfq.21.2022.10.18.12.53.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Oct 2022 12:53:08 -0700 (PDT) From: Anand Moon To: Rob Herring , Krzysztof Kozlowski , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl Cc: Anand Moon , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] arm64: dts: meson: Enable active coling using gpio-fan on Odroid N2/N2+ Date: Tue, 18 Oct 2022 19:51:19 +0000 Message-Id: <20221018195122.8877-1-linux.amoon@gmail.com> X-Mailer: git-send-email 2.38.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Odroid N2/N2+ support active cooling via gpio-fan controller. Add fan controls and tip point for cpu and ddr thermal sensor on this boards. Signed-off-by: Anand Moon --- .../dts/amlogic/meson-g12b-odroid-n2.dtsi | 42 +++++++++++++++++++ 1 file changed, 42 insertions(+) base-commit: aae703b02f92bde9264366c545e87cec451de471 diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi index fd3fa82e4c33..e61a4285a910 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi @@ -39,6 +39,14 @@ emmc_pwrseq: emmc-pwrseq { reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>; }; + fan: gpio-fan { + compatible = "gpio-fan"; + gpios = <&gpio_ao GPIOAO_10 GPIO_ACTIVE_HIGH>; + /* Using Dummy Speed */ + gpio-fan,speed-map = <0 0>, <1 1>; + #cooling-cells = <2>; + }; + leds { compatible = "gpio-leds"; @@ -410,6 +418,40 @@ &cpu103 { clock-latency = <50000>; }; +&cpu_thermal { + trips { + cpu_active: cpu-active { + temperature = <60000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "active"; + }; + }; + + cooling-maps { + map { + trip = <&cpu_active>; + cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; +}; + +&ddr_thermal { + trips { + ddr_active: cpu-active { + temperature = <60000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "active"; + }; + }; + + cooling-maps { + map { + trip = <&ddr_active>; + cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; +}; + &ext_mdio { external_phy: ethernet-phy@0 { /* Realtek RTL8211F (0x001cc916) */