From patchwork Thu Feb 20 08:17:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11393541 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 F37C8930 for ; Thu, 20 Feb 2020 08:23:50 +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 D0E45208C4 for ; Thu, 20 Feb 2020 08:23:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="KB1zdd9z" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D0E45208C4 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: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:In-Reply-To: References:List-Owner; bh=dVXxHY1LbpmFB3k4WaF88sIBCv3TcoKLHdPEDVX8G7U=; b=KB1 zdd9zFbwaa9PPwZrcEzhYgqXxM667heIOZw7SmQ2v1+k1VQa9YWJlXtMP0SHlVXFkQWaf6TnZ0sXG ZtD3MwfXgGM1vluzhiHfbVSDzDC80AH9BN4mPKHY5S5GoaiCV/QaHDUstAEmJDIFs5s+geQ01PT8D DgxPiIbkRPi52azjrzLaeEPC2p7ZZvSKtLR2FUGda2U5ppLEhuyKMnT3QGNIXfK8rYnZluyi90N0a wp01Hk2mI2v7ppdq7rZw8YYvo0xlAo9vQHYLOFtGw7e8N90sLt6xLBioJrKcw9+tGhSvQWekEO93W 61CQ3b3eaou84PeEbv3vcZOJAffg65A==; 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 1j4h7e-0001sV-FT; Thu, 20 Feb 2020 08:23:50 +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 1j4h7b-0001qQ-Ep for linux-arm-kernel@lists.infradead.org; Thu, 20 Feb 2020 08:23:48 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 7F3EF1A5385; Thu, 20 Feb 2020 09:23:37 +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 441491A531C; Thu, 20 Feb 2020 09:23:22 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id CE272402ED; Thu, 20 Feb 2020 16:23:08 +0800 (SGT) From: Anson Huang To: rui.zhang@intel.com, daniel.lezcano@linaro.org, amit.kucheria@verdurent.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, leonard.crestez@nxp.com, daniel.baluta@nxp.com, shengjiu.wang@nxp.com, peng.fan@nxp.com, ping.bai@nxp.com, jun.li@nxp.com, bjorn.andersson@linaro.org, olof@lixom.net, vkoul@kernel.org, dinguyen@kernel.org, marcin.juszkiewicz@linaro.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH RESEND 1/4] dt-bindings: thermal: imx8mm-thermal: Add binding doc for i.MX8MM Date: Thu, 20 Feb 2020 16:17:23 +0800 Message-Id: <1582186646-22096-1-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200220_002347_638217_3A5D98BA X-CRM114-Status: UNSURE ( 7.21 ) 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 Add thermal binding doc for Freescale's i.MX8MM Thermal Monitoring Unit. Signed-off-by: Anson Huang Reviewed-by: Rob Herring --- .../devicetree/bindings/thermal/imx8mm-thermal.txt | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 Documentation/devicetree/bindings/thermal/imx8mm-thermal.txt diff --git a/Documentation/devicetree/bindings/thermal/imx8mm-thermal.txt b/Documentation/devicetree/bindings/thermal/imx8mm-thermal.txt new file mode 100644 index 0000000..d09ae82 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/imx8mm-thermal.txt @@ -0,0 +1,15 @@ +* Thermal Monitoring Unit (TMU) on Freescale i.MX8MM SoC + +Required properties: +- compatible : Must be "fsl,imx8mm-tmu". +- reg : Address range of TMU registers. +- clocks : TMU's clock source. +- #thermal-sensor-cells : Should be 0. See ./thermal.txt for a description. + +Example: +tmu: tmu@30260000 { + compatible = "fsl,imx8mm-tmu"; + reg = <0x30260000 0x10000>; + clocks = <&clk IMX8MM_CLK_TMU_ROOT>; + #thermal-sensor-cells = <0>; +}; From patchwork Thu Feb 20 08:17:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11393551 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 47024930 for ; Thu, 20 Feb 2020 08:24:33 +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 185E324654 for ; Thu, 20 Feb 2020 08:24:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="k+cu5jtU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 185E324654 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=4hn9KpewyRl8DiIKP8gCQBjLjbq2iP96fMWSFKxkeE8=; b=k+cu5jtU9n80JIUNOmY7+19t6h VEP29LeWFlhtSkY2VGedsG05rBJmg50+25R2tk44s6+0yo2q/znNOcjt3LQp6JNioSYqpngWZy+U/ RKk7mXXrKTigKvxtYymxRAVoMP0VENZm8lER4YgMYR6C+I42Xfhxuss0vLCUo5nsiyhVh+ToaQjnv Ipfcymb3c6TGXqCez56tcqNRAtRypN1PkHvdGqTsW3UFDAWkSvzVKG+wGHCvYL+eo1ffJ0nmDLNfw MJ6GQI4wOJCRNlJkDuYK3MioKeprMVqtF+4JMoEf24BfHvE9fqxF6DclQJSksDKIhB9PTOiI4uopF uvtODc1g==; 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 1j4h8G-0002fd-4Q; Thu, 20 Feb 2020 08:24:28 +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 1j4h7b-0001qZ-Ow for linux-arm-kernel@lists.infradead.org; Thu, 20 Feb 2020 08:23:50 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id C35741A54EB; Thu, 20 Feb 2020 09:23:39 +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 516891A53D0; Thu, 20 Feb 2020 09:23:24 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id EFF18402AB; Thu, 20 Feb 2020 16:23:10 +0800 (SGT) From: Anson Huang To: rui.zhang@intel.com, daniel.lezcano@linaro.org, amit.kucheria@verdurent.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, leonard.crestez@nxp.com, daniel.baluta@nxp.com, shengjiu.wang@nxp.com, peng.fan@nxp.com, ping.bai@nxp.com, jun.li@nxp.com, bjorn.andersson@linaro.org, olof@lixom.net, vkoul@kernel.org, dinguyen@kernel.org, marcin.juszkiewicz@linaro.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH RESEND 2/4] thermal: imx8mm: Add support for i.MX8MM thermal monitoring unit Date: Thu, 20 Feb 2020 16:17:24 +0800 Message-Id: <1582186646-22096-2-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582186646-22096-1-git-send-email-Anson.Huang@nxp.com> References: <1582186646-22096-1-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-20200220_002348_090015_5E24D465 X-CRM114-Status: GOOD ( 15.35 ) 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.MX8MM has a thermal monitoring unit(TMU) inside, it ONLY has one sensor for CPU, add support for reading immediate temperature of this sensor. Signed-off-by: Anson Huang --- This patch is base on patch series: https://lkml.org/lkml/2020/2/19/1258 --- drivers/thermal/Kconfig | 10 +++ drivers/thermal/Makefile | 1 + drivers/thermal/imx8mm_thermal.c | 134 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 145 insertions(+) create mode 100644 drivers/thermal/imx8mm_thermal.c diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index d1cb8dc..972b169 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -262,6 +262,16 @@ config IMX_SC_THERMAL sensor. It supports one critical trip point and one passive trip point for each thermal sensor. +config IMX8MM_THERMAL + tristate "Temperature sensor driver for Freescale i.MX8MM SoC" + depends on ARCH_MXC + depends on OF + help + Support for Thermal Monitoring Unit (TMU) found on Freescale i.MX8MM SoC. + It supports one critical trip point and one passive trip point. The + cpufreq is used as the cooling device to throttle CPUs when the passive + trip is crossed. + config MAX77620_THERMAL tristate "Temperature sensor driver for Maxim MAX77620 PMIC" depends on MFD_MAX77620 diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile index a11a6d8..120a05e 100644 --- a/drivers/thermal/Makefile +++ b/drivers/thermal/Makefile @@ -44,6 +44,7 @@ obj-$(CONFIG_ARMADA_THERMAL) += armada_thermal.o obj-$(CONFIG_TANGO_THERMAL) += tango_thermal.o obj-$(CONFIG_IMX_THERMAL) += imx_thermal.o obj-$(CONFIG_IMX_SC_THERMAL) += imx_sc_thermal.o +obj-$(CONFIG_IMX8MM_THERMAL) += imx8mm_thermal.o obj-$(CONFIG_MAX77620_THERMAL) += max77620_thermal.o obj-$(CONFIG_QORIQ_THERMAL) += qoriq_thermal.o obj-$(CONFIG_DA9062_THERMAL) += da9062-thermal.o diff --git a/drivers/thermal/imx8mm_thermal.c b/drivers/thermal/imx8mm_thermal.c new file mode 100644 index 0000000..04f8a8f --- /dev/null +++ b/drivers/thermal/imx8mm_thermal.c @@ -0,0 +1,134 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2019 NXP. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "thermal_core.h" + +#define TER 0x0 /* TMU enable */ +#define TRITSR 0x20 /* TMU immediate temp */ + +#define TER_EN BIT(31) +#define TRITSR_VAL_MASK 0xff + +#define TEMP_LOW_LIMIT 10 + +struct imx8mm_tmu { + struct thermal_zone_device *tzd; + void __iomem *base; + struct clk *clk; +}; + +static int tmu_get_temp(void *data, int *temp) +{ + struct imx8mm_tmu *tmu = data; + u32 val; + + /* the temp sensor need about 1ms to finish the measurement */ + usleep_range(1000, 2000); + + val = readl_relaxed(tmu->base + TRITSR) & TRITSR_VAL_MASK; + if (val < TEMP_LOW_LIMIT) + return -EAGAIN; + + *temp = val * 1000; + + return 0; +} + +static struct thermal_zone_of_device_ops tmu_tz_ops = { + .get_temp = tmu_get_temp, +}; + +static int imx8mm_tmu_probe(struct platform_device *pdev) +{ + struct imx8mm_tmu *tmu; + u32 val; + int ret; + + tmu = devm_kzalloc(&pdev->dev, sizeof(struct imx8mm_tmu), GFP_KERNEL); + if (!tmu) + return -ENOMEM; + + tmu->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(tmu->base)) + return PTR_ERR(tmu->base); + + tmu->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(tmu->clk)) { + ret = PTR_ERR(tmu->clk); + if (ret != -EPROBE_DEFER) + dev_err(&pdev->dev, + "failed to get tmu clock: %d\n", ret); + return ret; + } + + ret = clk_prepare_enable(tmu->clk); + if (ret) { + dev_err(&pdev->dev, "failed to enable tmu clock: %d\n", ret); + return ret; + } + + tmu->tzd = devm_thermal_zone_of_sensor_register(&pdev->dev, 0, + tmu, &tmu_tz_ops); + if (IS_ERR(tmu->tzd)) { + dev_err(&pdev->dev, + "failed to register thermal zone sensor: %d\n", ret); + return PTR_ERR(tmu->tzd); + } + + platform_set_drvdata(pdev, tmu); + + /* enable the monitor */ + val = readl_relaxed(tmu->base + TER); + val |= TER_EN; + writel_relaxed(val, tmu->base + TER); + + return 0; +} + +static int imx8mm_tmu_remove(struct platform_device *pdev) +{ + struct imx8mm_tmu *tmu = platform_get_drvdata(pdev); + u32 val; + + /* disable TMU */ + val = readl_relaxed(tmu->base + TER); + val &= ~TER_EN; + writel_relaxed(val, tmu->base + TER); + + clk_disable_unprepare(tmu->clk); + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static const struct of_device_id imx8mm_tmu_table[] = { + { .compatible = "fsl,imx8mm-tmu", }, + { }, +}; + +static struct platform_driver imx8mm_tmu = { + .driver = { + .name = "i.mx8mm_thermal", + .of_match_table = imx8mm_tmu_table, + }, + .probe = imx8mm_tmu_probe, + .remove = imx8mm_tmu_remove, +}; +module_platform_driver(imx8mm_tmu); + +MODULE_AUTHOR("Anson Huang "); +MODULE_DESCRIPTION("i.MX8MM Thermal Monitor Unit driver"); +MODULE_LICENSE("GPL v2"); From patchwork Thu Feb 20 08:17:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11393547 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 68FFD138D for ; Thu, 20 Feb 2020 08:24:08 +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 0C8E0208C4 for ; Thu, 20 Feb 2020 08:24:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ablqGl5d" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0C8E0208C4 Authentication-Results: mail.kernel.org; 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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 1j4h7o-00021m-2X; Thu, 20 Feb 2020 08:24:00 +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 1j4h7b-0001qP-Ev for linux-arm-kernel@lists.infradead.org; Thu, 20 Feb 2020 08:23:49 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 595F01A54F6; Thu, 20 Feb 2020 09:23:42 +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 6E4AC1A5458; Thu, 20 Feb 2020 09:23:26 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 12712402E0; Thu, 20 Feb 2020 16:23:13 +0800 (SGT) From: Anson Huang To: rui.zhang@intel.com, daniel.lezcano@linaro.org, amit.kucheria@verdurent.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, leonard.crestez@nxp.com, daniel.baluta@nxp.com, shengjiu.wang@nxp.com, peng.fan@nxp.com, ping.bai@nxp.com, jun.li@nxp.com, bjorn.andersson@linaro.org, olof@lixom.net, vkoul@kernel.org, dinguyen@kernel.org, marcin.juszkiewicz@linaro.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH RESEND 3/4] arm64: defconfig: Enable CONFIG_IMX8MM_THERMAL as module Date: Thu, 20 Feb 2020 16:17:25 +0800 Message-Id: <1582186646-22096-3-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582186646-22096-1-git-send-email-Anson.Huang@nxp.com> References: <1582186646-22096-1-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-20200220_002347_637700_03B4C169 X-CRM114-Status: UNSURE ( 7.16 ) X-CRM114-Notice: Please train this message. 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Signed-off-by: Anson Huang --- This patch is base on patch series: https://lkml.org/lkml/2020/2/19/1258 --- arch/arm64/configs/defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 1ff479c..2382e60 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -454,6 +454,7 @@ CONFIG_CPU_THERMAL=y CONFIG_THERMAL_EMULATION=y CONFIG_QORIQ_THERMAL=m CONFIG_IMX_SC_THERMAL=m +CONFIG_IMX8MM_THERMAL=m CONFIG_ROCKCHIP_THERMAL=m CONFIG_RCAR_THERMAL=y CONFIG_RCAR_GEN3_THERMAL=y From patchwork Thu Feb 20 08:17:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11393549 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 76172930 for ; Thu, 20 Feb 2020 08:24:16 +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 45A2224654 for ; Thu, 20 Feb 2020 08:24:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="YaxyZgKm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 45A2224654 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=u4mQSxdW6c9mzLiHncSwFLyCoxc9VtAUJYWG+l8mxjU=; b=YaxyZgKmAecm9Z5rKSm3/s3juI b/RlePRtsWmGW7RLJex8q9oq9/kF64SvePeCcnBfLZ6zpFeheOLDd7ZZtxCXPX+F3i2FTCeXEciFr G7d8BTADzMUku+yu1AYCaMn6+mknVYx5B5aSbLYavv7nAcT88sbGJ6hmpeRm3JnSn+Lk/DhBQxJ/h ppH+Vc2X5He+TyrxtHFVZkFXzTIuvECYyDr3/zLDIk5iv3pzPIpsHTbqryS7D/nG+NermiCGs29Yy Vv7fywGy/dd1wHZMBG42hXjWcydLxmYXHF+eMZahowffgP+UZpYMp+eJNgCUWkpY7GPsLinIKsO9L eBVfjQEA==; 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 1j4h83-0002Gm-HW; Thu, 20 Feb 2020 08:24:15 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j4h7b-0001qU-Mw for linux-arm-kernel@lists.infradead.org; Thu, 20 Feb 2020 08:23:50 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id C3F3E201B99; Thu, 20 Feb 2020 09:23:43 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 87D902048C7; Thu, 20 Feb 2020 09:23:28 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 31EE3402E6; Thu, 20 Feb 2020 16:23:15 +0800 (SGT) From: Anson Huang To: rui.zhang@intel.com, daniel.lezcano@linaro.org, amit.kucheria@verdurent.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, leonard.crestez@nxp.com, daniel.baluta@nxp.com, shengjiu.wang@nxp.com, peng.fan@nxp.com, ping.bai@nxp.com, jun.li@nxp.com, bjorn.andersson@linaro.org, olof@lixom.net, vkoul@kernel.org, dinguyen@kernel.org, marcin.juszkiewicz@linaro.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH RESEND 4/4] arm64: dts: imx8mm: Add thermal zone support Date: Thu, 20 Feb 2020 16:17:26 +0800 Message-Id: <1582186646-22096-4-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582186646-22096-1-git-send-email-Anson.Huang@nxp.com> References: <1582186646-22096-1-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-20200220_002348_028100_5C434776 X-CRM114-Status: UNSURE ( 7.92 ) 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 [92.121.34.21 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 Add thermal zone and tmu node to support i.MX8MM thermal driver, ONLY cpu thermal zone is supported, and cpu cooling is also added. Signed-off-by: Anson Huang --- arch/arm64/boot/dts/freescale/imx8mm.dtsi | 43 +++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index b3d0b29..e438095 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi @@ -68,6 +68,7 @@ nvmem-cells = <&cpu_speed_grade>; nvmem-cell-names = "speed_grade"; cpu-idle-states = <&cpu_pd_wait>; + #cooling-cells = <2>; }; A53_1: cpu@1 { @@ -80,6 +81,7 @@ next-level-cache = <&A53_L2>; operating-points-v2 = <&a53_opp_table>; cpu-idle-states = <&cpu_pd_wait>; + #cooling-cells = <2>; }; A53_2: cpu@2 { @@ -92,6 +94,7 @@ next-level-cache = <&A53_L2>; operating-points-v2 = <&a53_opp_table>; cpu-idle-states = <&cpu_pd_wait>; + #cooling-cells = <2>; }; A53_3: cpu@3 { @@ -104,6 +107,7 @@ next-level-cache = <&A53_L2>; operating-points-v2 = <&a53_opp_table>; cpu-idle-states = <&cpu_pd_wait>; + #cooling-cells = <2>; }; A53_L2: l2-cache0 { @@ -204,6 +208,38 @@ arm,no-tick-in-suspend; }; + thermal-zones { + cpu-thermal { + polling-delay-passive = <250>; + polling-delay = <2000>; + thermal-sensors = <&tmu>; + 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>; + }; + }; + }; + }; + usbphynop1: usbphynop1 { compatible = "usb-nop-xceiv"; clocks = <&clk IMX8MM_CLK_USB_PHY_REF>; @@ -363,6 +399,13 @@ gpio-ranges = <&iomuxc 0 119 30>; }; + tmu: tmu@30260000 { + compatible = "fsl,imx8mm-tmu"; + reg = <0x30260000 0x10000>; + clocks = <&clk IMX8MM_CLK_TMU_ROOT>; + #thermal-sensor-cells = <0>; + }; + wdog1: watchdog@30280000 { compatible = "fsl,imx8mm-wdt", "fsl,imx21-wdt"; reg = <0x30280000 0x10000>;