From patchwork Fri Mar 20 03:26:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11448341 X-Patchwork-Delegate: daniel.lezcano@linaro.org 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 BCB9D139A for ; Fri, 20 Mar 2020 03:33:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A755320782 for ; Fri, 20 Mar 2020 03:33:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727021AbgCTDdi (ORCPT ); Thu, 19 Mar 2020 23:33:38 -0400 Received: from inva020.nxp.com ([92.121.34.13]:38672 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726103AbgCTDdi (ORCPT ); Thu, 19 Mar 2020 23:33:38 -0400 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 3381A1A035A; Fri, 20 Mar 2020 04:33:35 +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 6A17D1A0344; Fri, 20 Mar 2020 04:33:27 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 3FAD7402F3; Fri, 20 Mar 2020 11:33:18 +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 Cc: Linux-imx@nxp.com Subject: [PATCH V2 3/3] arm64: dts: imx8mp: Add thermal zones support Date: Fri, 20 Mar 2020 11:26:31 +0800 Message-Id: <1584674791-9717-3-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1584674791-9717-1-git-send-email-Anson.Huang@nxp.com> References: <1584674791-9717-1-git-send-email-Anson.Huang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.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>;