From patchwork Mon Mar 23 12:28:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11452869 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B7C0D14B4 for ; Mon, 23 Mar 2020 12:36:37 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 95B3A20719 for ; Mon, 23 Mar 2020 12:36:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="MbP38STH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 95B3A20719 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=03bcFC2rSrZ3OPHgYTC2b7lgFHZiRbYfgRgfW+zf8mc=; b=MbP38STHEf604Tm7u4Ko7o8Ub9 GmdbZY9/Zv4mPMzzmYfXMTIIrK/h6gwye7hH11A8fHgQliwM/W1ZXRJbWOb6FV5SUU/6tD81lwnBR qNrT618riwNpX52KqiSdwbUC3w2TlLwilowDMnp8/vlIrc1Ve+JxpQhl1ZTS6YJxDyKI6LjAtTFBR md0hYdaKG8bvGbkauJUD32Y1+jrj2be/PNlzvgmX1DI6knmzIfVay9sYGJ8WOa+I2zh3ajL1mDhjr u0mGs2TpCp6bRKhwWODRFQQfqabTNjC+C13v2M6CoBge6CAhB4xD/2JTS7rSCkX0s3djtI+y7Th+D 6Fqnz5hw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jGMJm-0001Aj-Ho; Mon, 23 Mar 2020 12:36:34 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jGMIw-0000LM-OS for linux-arm-kernel@lists.infradead.org; Mon, 23 Mar 2020 12:35:45 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id C78D91A0DF4; Mon, 23 Mar 2020 13:35:38 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 07A8D1A13C1; Mon, 23 Mar 2020 13:35:31 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id B6D5640305; Mon, 23 Mar 2020 20:35:21 +0800 (SGT) From: Anson Huang To: rui.zhang@intel.com, daniel.lezcano@linaro.org, amit.kucheria@verdurent.com, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, horia.geanta@nxp.com, peng.fan@nxp.com, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH V3 3/3] arm64: dts: imx8mp: Add thermal zones support Date: Mon, 23 Mar 2020 20:28:24 +0800 Message-Id: <1584966504-21719-3-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1584966504-21719-1-git-send-email-Anson.Huang@nxp.com> References: <1584966504-21719-1-git-send-email-Anson.Huang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200323_053543_098922_2E1C6960 X-CRM114-Status: UNSURE ( 8.20 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [92.121.34.13 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Linux-imx@nxp.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org i.MX8MP has a TMU inside which supports two thermal zones, add support for them. Signed-off-by: Anson Huang --- No change. --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 63 +++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index 9b1616e..175165b 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -7,6 +7,7 @@ #include #include #include +#include #include "imx8mp-pinfunc.h" @@ -43,6 +44,7 @@ clocks = <&clk IMX8MP_CLK_ARM>; enable-method = "psci"; next-level-cache = <&A53_L2>; + #cooling-cells = <2>; }; A53_1: cpu@1 { @@ -53,6 +55,7 @@ clocks = <&clk IMX8MP_CLK_ARM>; enable-method = "psci"; next-level-cache = <&A53_L2>; + #cooling-cells = <2>; }; A53_2: cpu@2 { @@ -63,6 +66,7 @@ clocks = <&clk IMX8MP_CLK_ARM>; enable-method = "psci"; next-level-cache = <&A53_L2>; + #cooling-cells = <2>; }; A53_3: cpu@3 { @@ -73,6 +77,7 @@ clocks = <&clk IMX8MP_CLK_ARM>; enable-method = "psci"; next-level-cache = <&A53_L2>; + #cooling-cells = <2>; }; A53_L2: l2-cache0 { @@ -127,6 +132,57 @@ method = "smc"; }; + thermal-zones { + cpu-thermal { + polling-delay-passive = <250>; + polling-delay = <2000>; + thermal-sensors = <&tmu 0x0>; + trips { + cpu_alert0: trip0 { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; + + cpu_crit0: trip1 { + temperature = <95000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_alert0>; + cooling-device = + <&A53_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&A53_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&A53_2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&A53_3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + + soc-thermal { + polling-delay-passive = <250>; + polling-delay = <2000>; + thermal-sensors = <&tmu 0x1>; + trips { + soc_alert0: trip0 { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; + + soc_crit0: trip1 { + temperature = <95000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + }; + }; + timer { compatible = "arm,armv8-timer"; interrupts = , @@ -215,6 +271,13 @@ gpio-ranges = <&iomuxc 0 114 30>; }; + tmu: tmu@30260000 { + compatible = "fsl,imx8mp-tmu"; + reg = <0x30260000 0x10000>; + clocks = <&clk IMX8MP_CLK_TSENSOR_ROOT>; + #thermal-sensor-cells = <1>; + }; + wdog1: watchdog@30280000 { compatible = "fsl,imx8mp-wdt", "fsl,imx21-wdt"; reg = <0x30280000 0x10000>;