From patchwork Mon Mar 2 00:11:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vitor Massaru Iha X-Patchwork-Id: 203986 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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, 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 1B8A0C3F2CD for ; Mon, 2 Mar 2020 00:11:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D487524697 for ; Mon, 2 Mar 2020 00:11:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=massaru-org.20150623.gappssmtp.com header.i=@massaru-org.20150623.gappssmtp.com header.b="carO0kFs" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726592AbgCBAL5 (ORCPT ); Sun, 1 Mar 2020 19:11:57 -0500 Received: from mail-qk1-f194.google.com ([209.85.222.194]:41899 "EHLO mail-qk1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726525AbgCBAL5 (ORCPT ); Sun, 1 Mar 2020 19:11:57 -0500 Received: by mail-qk1-f194.google.com with SMTP id b5so8491258qkh.8 for ; Sun, 01 Mar 2020 16:11:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=massaru-org.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=4/YCjZ1oaKRZgdjhxl8DLn+nRy9DD18mNfW/zomwFzE=; b=carO0kFs1H4HE9z1tt2Yn3Llcx8sXHWgu5rJipogdsli2uizchBvU9ydf+1yIw0U6v TWQX65v4oKXz2HMztMrBG0qDyINAkfqwHMP1ELbl2rfBOAcyCXVJ9PWgXioNq1G093n/ ieXrYGXG1eB2G/RR66betZPBripGPC0rjJPwLWFHDx15AEr9WO3UHafFLhHLAYBWXky/ NbPSlUCy7vKAbC88dlDfnWd9uFqrSQgCgAKCXZDeFspnznj560BIkUBGKNjF0AOfqYPD +dyJi0/wrT+tvMKe+OvuaIEvrHqJl83v1crOZMRW3DT6jkpvu3t0SBMcZ5AeRPLAMVDO iihQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=4/YCjZ1oaKRZgdjhxl8DLn+nRy9DD18mNfW/zomwFzE=; b=TbD1aEigfkKR4rNfTMmRYYECkosi5hQB9oxJS870ggTjVttFaGLOERkEPquo7MUkAX oFpz72Trqscemx+eFANHoUoAS83KtBx/uKlrwx3sUUGFV1yR0t76PT312gKEZiJwjF3d dQUx0zKWoAdPmcdJtZdws8HUK5PWTDxGhIwesEeuejFwNFqpP9aD+0zN0Mbd5KHFOty5 Pc/a0eJF6zsWP6RnPcb1RD8YlyxBy713SCsJcU+yhnW/EVgChjTT44jknIdgSDTVBe8i VYALpXNOfgEzRkbHCx1SeD/H1tdzuqIvDDpOVobc2qsUCw+wb3bIuiVrFdNfyR+vru/Q JrsQ== X-Gm-Message-State: APjAAAWhzjaKeCGzEPNLr0vsOi+/abURvH9q7RKhPLomQ/SfzcHBFHeV Hb08g/yGNq2YPrZsks/ynReB2vpZnqwA8JAH X-Google-Smtp-Source: APXvYqx6If6whTCbu1kaCgR0TRrpOFIWdC6fmEUBVEcHG8zBm14f496mkUEMnQZ/aYydOZrT1VUKcw== X-Received: by 2002:a05:620a:22cc:: with SMTP id o12mr14087296qki.331.1583107915740; Sun, 01 Mar 2020 16:11:55 -0800 (PST) Received: from bbking.lan ([2804:14c:4a5:36c::cd2]) by smtp.gmail.com with ESMTPSA id l16sm4921372qke.68.2020.03.01.16.11.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Mar 2020 16:11:55 -0800 (PST) From: Vitor Massaru Iha To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, marco.franchi@nxp.com, linux-imx@nxp.com, lkcamp@lists.libreplanetbr.org Subject: [PATCH v2] arm64: dts: freescale: add gpio-fan/thermal support for Google i.MX 8MQ Phanbell Date: Sun, 1 Mar 2020 21:11:49 -0300 Message-Id: <20200302001150.27952-1-vitor@massaru.org> X-Mailer: git-send-email 2.21.1 MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org It was based on Google Source Code for Coral Edge TPU Mendel release: https://coral.googlesource.com/linux-imx/ It was tested on Coral Dev Board using this command: sudo stress --cpu 4 --timeout 3600 Signed-off-by: Vitor Massaru Iha --- v2: * Fix underscore in property name; * Add pinctrl entry for gpio-fan; * Removes undocumented property. BR, Vitor --- .../boot/dts/freescale/imx8mq-phanbell.dts | 64 +++++++++++++++++++ arch/arm64/boot/dts/freescale/imx8mq.dtsi | 2 +- 2 files changed, 65 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts b/arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts index 3f2a489a4ad8..3302e5c127ca 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts @@ -35,6 +35,16 @@ gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>; enable-active-high; }; + + fan: gpio-fan { + compatible = "gpio-fan"; + gpio-fan,speed-map = <0 0 8600 1>; + gpios = <&gpio3 5 GPIO_ACTIVE_HIGH>; + #cooling-cells = <2>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpio_fan>; + status = "okay"; + }; }; &A53_0 { @@ -373,4 +383,58 @@ MX8MQ_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0xc6 >; }; + + pinctrl_gpio_fan: gpiofanp { + fsl,pins = < + MX8MQ_IOMUXC_NAND_CLE_GPIO3_IO5 0x01 + >; + }; }; + +&cpu_thermal { + trips { + cpu_alert0: trip0 { + temperature = <75000>; + hysteresis = <2000>; + type = "passive"; + }; + + cpu_alert1: trip1 { + temperature = <80000>; + hysteresis = <2000>; + type = "passive"; + }; + + cpu_crit0: trip3 { + temperature = <90000>; + hysteresis = <2000>; + type = "critical"; + }; + + fan_toggle0: trip4 { + temperature = <65000>; + hysteresis = <10000>; + type = "active"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_alert0>; + cooling-device = + <&A53_0 0 1>; /* Exclude highest OPP */ + }; + + map1 { + trip = <&cpu_alert1>; + cooling-device = + <&A53_0 0 2>; /* Exclude two highest OPPs */ + }; + + map4 { + trip = <&fan_toggle0>; + cooling-device = <&fan 0 1>; + }; + }; +}; + diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi index 6a1e83922c71..a3bb17a6b9df 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi @@ -198,7 +198,7 @@ }; thermal-zones { - cpu-thermal { + cpu_thermal: cpu-thermal { polling-delay-passive = <250>; polling-delay = <2000>; thermal-sensors = <&tmu 0>;