From patchwork Thu Jun 18 13:38:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 11612175 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 2F286618 for ; Thu, 18 Jun 2020 13:39:17 +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 0E6792082F for ; Thu, 18 Jun 2020 13:39:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="V69umGTn"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="htdeYKEy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0E6792082F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=gq2zr6n2nJBWlnOJGh2qbVyrrmw5e2rA3XiBvexJzFk=; b=V69umGTn/m1EOK B36uf42BfWZj8L/SjR6p6AMMwa17O6KIqEoD55aqwn1550lRnXClJnXssVQXHjZC/ilctTJ0+1uGJ YyogYFV6a/noLH29MUIb3FibSJc4Z1wwz7gVBTSeeKmF6hb58N0yOcRqCmJDiKTg3/E3kFtpwHCfd 22jsjWgtQ3Whhru+AXqvgaywk/AfFZkt357JItBPITBqY8cZJnfS4is7QP7tG68xXcidvSUJizkbA 6luyfDuWFlSdLiFVt6ZT2zbwntx1hHYkL5Z2Q32ixO4AH6zEr6hqFR/dmypMPYUT5YAysdNrgsZ1b Lbk1CDisn4sb1u8YiARA==; 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 1jlul5-0000Ho-0p; Thu, 18 Jun 2020 13:39:11 +0000 Received: from mail-wr1-x444.google.com ([2a00:1450:4864:20::444]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jlukL-0008A8-R9 for linux-arm-kernel@lists.infradead.org; Thu, 18 Jun 2020 13:38:30 +0000 Received: by mail-wr1-x444.google.com with SMTP id b6so6082712wrs.11 for ; Thu, 18 Jun 2020 06:38:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=vPTcsPqT56iwg2yHshvklQiE9Nd2/eBhXzSh8M4e4Xg=; b=htdeYKEyPtH90b3+/yaWE83qmZGoNrgpjJE/2aN0eoec745UBkXSjBUxAWBXmWlUd0 gVbZ3JH5vqtV4t4biy4X0cJCH5wosw5vKY+DNhc+J5tDDYqxLzTDK2b/L2s+lTuhlEiw MLqxSIpVkfTKWSgAqCkZ0A10XyhhW6y4EcANXo3Gyd6MAK9D7OBY5D8JSTpUAEwMeRSR IbSgu6kWsIEY0KPUKHDfkyIGPLddYOEVCW3cyYijhLNVzluaB4moIliyDBv78wdRKxHS 3Rfb+dvEYNy+72RmAsyY6pk9udq7BFyk40Saa+DVgCwuvpjdYFxS+dU5Gmt/Bk4vLWTo i/5w== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=vPTcsPqT56iwg2yHshvklQiE9Nd2/eBhXzSh8M4e4Xg=; b=kJejVsC8j13TQNwYwRw8VJDJUykRgfnHDgqi9Vwm47cNHu1YJpwPJswApsvuTj181H nam/+e1ifeSl6/uHqrwPvNP8MXc+c/vI9cehFWzuuTliY3vOCNVAAfRM6diUVYfft7zX Z7+QxzjLSuWhnR7Y6Ibid4wML63QMQP5k0rMjDuq0SVYrm9eLmDZ2+0DzX48oM8MIqSa UXLPlKuir+3KRppNJL5v30IRNRPmEcj4I0knM+KykNhnVmcljYVeQ0KFeB/oGiMkpRTW 0rulvNwQwW32U/5ynIFlbo5f/sIhIV3oaZrPMNZKA5SYv88t4YJAcA5LZphq/zer5FCv tUAA== X-Gm-Message-State: AOAM532ExwqG93DElGDwItE6ddw6DTr2AlKkybqpcp7oDoIvMTFUILL+ g6/aT9cwTPQdm22oUE3VE+wH0w== X-Google-Smtp-Source: ABdhPJzWg/o4PtTY7jZ6HuEo25EDlYmMZI3MaWXTSzVi9PJXyR2d/tC2VNJzVhLi5rQ9XU6bCBGPfQ== X-Received: by 2002:a5d:5351:: with SMTP id t17mr4454378wrv.287.1592487504091; Thu, 18 Jun 2020 06:38:24 -0700 (PDT) Received: from localhost.localdomain ([2a01:e35:2ec0:82b0:9902:c1f0:76c7:9dbc]) by smtp.gmail.com with ESMTPSA id o82sm3707956wmo.40.2020.06.18.06.38.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Jun 2020 06:38:23 -0700 (PDT) From: Neil Armstrong To: lee.jones@linaro.org Subject: [PATCH v4 1/2] thermal: add support for the MCU controlled FAN on Khadas boards Date: Thu, 18 Jun 2020 15:38:17 +0200 Message-Id: <20200618133818.15857-2-narmstrong@baylibre.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20200618133818.15857-1-narmstrong@baylibre.com> References: <20200618133818.15857-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200618_063825_910809_CA8D80C3 X-CRM114-Status: GOOD ( 18.99 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:444 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 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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: amit.kucheria@verdurent.com, daniel.lezcano@linaro.org, linux-pm@vger.kernel.org, khilman@baylibre.com, Neil Armstrong , linux-kernel@vger.kernel.org, Amit Kucheria , linux-amlogic@lists.infradead.org, rui.zhang@intel.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The new Khadas VIM2 and VIM3 boards controls the cooling fan via the on-board microcontroller. This implements the FAN control as thermal devices and as cell of the Khadas MCU MFD driver. Signed-off-by: Neil Armstrong Reviewed-by: Amit Kucheria Acked-by: Amit Kucheria --- Hi Lee, Could you apply this patch via the MFD tree since it depends on the linux/mfd/khadas-mcu.h header ? This patch is unchanged from the v3 serie. Thanks, Neil drivers/thermal/Kconfig | 11 ++ drivers/thermal/Makefile | 1 + drivers/thermal/khadas_mcu_fan.c | 174 +++++++++++++++++++++++++++++++ 3 files changed, 186 insertions(+) create mode 100644 drivers/thermal/khadas_mcu_fan.c diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 3eb2348e5242..0125561488c9 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -500,4 +500,15 @@ config SPRD_THERMAL help Support for the Spreadtrum thermal sensor driver in the Linux thermal framework. + +config KHADAS_MCU_FAN_THERMAL + tristate "Khadas MCU controller FAN cooling support" + depends on OF || COMPILE_TEST + depends on MFD_KHADAS_MCU + select MFD_CORE + select REGMAP + help + If you say yes here you get support for the FAN controlled + by the Microcontroller found on the Khadas VIM boards. + endif diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile index 0c8b84a09b9a..4b6aabaa7e31 100644 --- a/drivers/thermal/Makefile +++ b/drivers/thermal/Makefile @@ -61,3 +61,4 @@ obj-$(CONFIG_ZX2967_THERMAL) += zx2967_thermal.o obj-$(CONFIG_UNIPHIER_THERMAL) += uniphier_thermal.o obj-$(CONFIG_AMLOGIC_THERMAL) += amlogic_thermal.o obj-$(CONFIG_SPRD_THERMAL) += sprd_thermal.o +obj-$(CONFIG_KHADAS_MCU_FAN_THERMAL) += khadas_mcu_fan.o diff --git a/drivers/thermal/khadas_mcu_fan.c b/drivers/thermal/khadas_mcu_fan.c new file mode 100644 index 000000000000..6995b443cad4 --- /dev/null +++ b/drivers/thermal/khadas_mcu_fan.c @@ -0,0 +1,174 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Khadas MCU Controlled FAN driver + * + * Copyright (C) 2020 BayLibre SAS + * Author(s): Neil Armstrong + */ + +#include +#include +#include +#include +#include +#include +#include + +#define MAX_LEVEL 3 + +struct khadas_mcu_fan_ctx { + struct khadas_mcu *mcu; + unsigned int level; + struct thermal_cooling_device *cdev; +}; + +static int khadas_mcu_fan_set_level(struct khadas_mcu_fan_ctx *ctx, + unsigned int level) +{ + int ret; + + ret = regmap_write(ctx->mcu->regmap, KHADAS_MCU_CMD_FAN_STATUS_CTRL_REG, + level); + if (ret) + return ret; + + ctx->level = level; + + return 0; +} + +static int khadas_mcu_fan_get_max_state(struct thermal_cooling_device *cdev, + unsigned long *state) +{ + struct khadas_mcu_fan_ctx *ctx = cdev->devdata; + + if (!ctx) + return -EINVAL; + + *state = MAX_LEVEL; + + return 0; +} + +static int khadas_mcu_fan_get_cur_state(struct thermal_cooling_device *cdev, + unsigned long *state) +{ + struct khadas_mcu_fan_ctx *ctx = cdev->devdata; + + if (!ctx) + return -EINVAL; + + *state = ctx->level; + + return 0; +} + +static int +khadas_mcu_fan_set_cur_state(struct thermal_cooling_device *cdev, + unsigned long state) +{ + struct khadas_mcu_fan_ctx *ctx = cdev->devdata; + + if (!ctx || (state > MAX_LEVEL)) + return -EINVAL; + + if (state == ctx->level) + return 0; + + return khadas_mcu_fan_set_level(ctx, state); +} + +static const struct thermal_cooling_device_ops khadas_mcu_fan_cooling_ops = { + .get_max_state = khadas_mcu_fan_get_max_state, + .get_cur_state = khadas_mcu_fan_get_cur_state, + .set_cur_state = khadas_mcu_fan_set_cur_state, +}; + +static int khadas_mcu_fan_probe(struct platform_device *pdev) +{ + struct khadas_mcu *mcu = dev_get_drvdata(pdev->dev.parent); + struct thermal_cooling_device *cdev; + struct device *dev = &pdev->dev; + struct khadas_mcu_fan_ctx *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + ctx->mcu = mcu; + platform_set_drvdata(pdev, ctx); + + cdev = devm_thermal_of_cooling_device_register(dev->parent, + dev->parent->of_node, "khadas-mcu-fan", ctx, + &khadas_mcu_fan_cooling_ops); + if (IS_ERR(cdev)) { + ret = PTR_ERR(cdev); + dev_err(dev, + "Failed to register khadas-mcu-fan as cooling device: %d\n", + ret); + return ret; + } + ctx->cdev = cdev; + thermal_cdev_update(cdev); + + return 0; +} + +static int khadas_mcu_fan_disable(struct device *dev) +{ + struct khadas_mcu_fan_ctx *ctx = dev_get_drvdata(dev); + unsigned int level_save = ctx->level; + int ret; + + ret = khadas_mcu_fan_set_level(ctx, 0); + if (ret) + return ret; + + ctx->level = level_save; + + return 0; +} + +static void khadas_mcu_fan_shutdown(struct platform_device *pdev) +{ + khadas_mcu_fan_disable(&pdev->dev); +} + +#ifdef CONFIG_PM_SLEEP +static int khadas_mcu_fan_suspend(struct device *dev) +{ + return khadas_mcu_fan_disable(dev); +} + +static int khadas_mcu_fan_resume(struct device *dev) +{ + struct khadas_mcu_fan_ctx *ctx = dev_get_drvdata(dev); + + return khadas_mcu_fan_set_level(ctx, ctx->level); +} +#endif + +static SIMPLE_DEV_PM_OPS(khadas_mcu_fan_pm, khadas_mcu_fan_suspend, + khadas_mcu_fan_resume); + +static const struct platform_device_id khadas_mcu_fan_id_table[] = { + { .name = "khadas-mcu-fan-ctrl", }, + {}, +}; +MODULE_DEVICE_TABLE(platform, khadas_mcu_fan_id_table); + +static struct platform_driver khadas_mcu_fan_driver = { + .probe = khadas_mcu_fan_probe, + .shutdown = khadas_mcu_fan_shutdown, + .driver = { + .name = "khadas-mcu-fan-ctrl", + .pm = &khadas_mcu_fan_pm, + }, + .id_table = khadas_mcu_fan_id_table, +}; + +module_platform_driver(khadas_mcu_fan_driver); + +MODULE_AUTHOR("Neil Armstrong "); +MODULE_DESCRIPTION("Khadas MCU FAN driver"); +MODULE_LICENSE("GPL"); From patchwork Thu Jun 18 13:38:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 11612179 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 C664492A for ; Thu, 18 Jun 2020 13:39:37 +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 A381C207D8 for ; Thu, 18 Jun 2020 13:39:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="lKXfLFmu"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="ylgAfmZa" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A381C207D8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=CKzqLzis5hnev/wzk7fKsR7TSgLl/1UR5x7EXz42TTU=; b=lKXfLFmuQcQbtw TXv7YHFgp3s48JbqZB3/+EdWAmODAWyAMXWIOPsEIZAATmRkM5zXWR7w8AX6l9TdDTHsq4gaHxIo0 aIFRJ2xIRd3WbPlbzID3rW1ZLsaQ69D/0XvHy5ewiMF2XePSD4/ztkv/OmQXc6zywSlL9lEJjK/Ag WBSb70+dQSsrYbZtCYq+O8CoM2iqR+lMi/R7QbpkLGjFmPt+SeMH9GJ5uBWT2pWQNid7iU1mMZcE9 z9VQhTXLFhY040E2LI3011NH7CB71hYrotzE3x+CWNW2qvP9lA7TRYC7ojCj9d8BtIzHKH8GXgO6N oYQ+S1DTDXnRv/IDETXA==; 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 1jlulQ-0000cg-06; Thu, 18 Jun 2020 13:39:32 +0000 Received: from mail-wr1-x443.google.com ([2a00:1450:4864:20::443]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jlukN-0008Bu-Ra for linux-arm-kernel@lists.infradead.org; Thu, 18 Jun 2020 13:38:35 +0000 Received: by mail-wr1-x443.google.com with SMTP id q11so6119393wrp.3 for ; Thu, 18 Jun 2020 06:38:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=kinXBvz5+I1FgSK2RxVnBM/4h4YycBTf3sfQytiCbSA=; b=ylgAfmZa4qG8lvGYsGYTl2tyoEZh9fOa7G+6c+AuwQxnAem7Q0lvEhEISkINnMWn4O /6KLd+uzK8NQZ+gcEE3xkI88kCfV6QrLk9KlENgFfWrA8BxGXy3QiSV6nQMhBeVGxv21 iqRTcKsfeWYMTyn+ieaFqPBcOzoRUkv80n9Kdu/MXaec+P5reqf4IjRXN1P9HT9DY6AR GKbXoZ3V58FY4tk7UQdushRRwvIRPzAhcfac1ykoeL65uXdgHd1mMQ0pvs1D7BNt80Wg 0W7bghFEeYzE9izavJZrlsTDZExBofb+RAtSq1Bo7r2orcCUXvFleutLUIRcYNqOU/5F Khgg== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=kinXBvz5+I1FgSK2RxVnBM/4h4YycBTf3sfQytiCbSA=; b=LhIB3mUAVLLWrSr6tS1Y01Lcw+y4UXTGQG4mi3U0xyfNShDD+uSPeLbOL+jj08WdR2 Bby+w1yC8XmEKV7b1J3N4knayPQYwVakvpJLsm9jVtAkKonXmDfTBwu49kYAOrtyitWe y6RG2urusK+CzhwXa63kfxVVtwqciwPkiKcgu8YzWhGJFHHp03B2DjizFArXkcOUD2a5 vN1PhvWY0I5A6qO881EVuVP0tHCxoH+RaPkFTFyzCEENCUVU0JgxkqfTChDKo5UhSAiw bbQvFOawHvoXOiekysqJbUFvEio+CellXaTRwAAUTFzR5AX3IlG/cMT2EAZ2DRGSZXrl 8Nsw== X-Gm-Message-State: AOAM530WgLTPGya9sbpUz3fYqR9+kD5h1cLEYjaqq3E2Y46Mvq/KZNnm iYX5X3ygencrelF7ZjmpDDPOjA== X-Google-Smtp-Source: ABdhPJybozUZCzBjGCZrVC3Od5XlcjWEEO2s4bn2Mkl2bCN8MT+/licgjXfekypFGRBDooRjN3W4oA== X-Received: by 2002:a5d:5551:: with SMTP id g17mr4450147wrw.45.1592487506047; Thu, 18 Jun 2020 06:38:26 -0700 (PDT) Received: from localhost.localdomain ([2a01:e35:2ec0:82b0:9902:c1f0:76c7:9dbc]) by smtp.gmail.com with ESMTPSA id o82sm3707956wmo.40.2020.06.18.06.38.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Jun 2020 06:38:25 -0700 (PDT) From: Neil Armstrong To: khilman@baylibre.com Subject: [PATCH v4 2/2] arm64: dts: meson-khadas-vim3: add Khadas MCU nodes Date: Thu, 18 Jun 2020 15:38:18 +0200 Message-Id: <20200618133818.15857-3-narmstrong@baylibre.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20200618133818.15857-1-narmstrong@baylibre.com> References: <20200618133818.15857-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200618_063828_077383_B8CE415F X-CRM114-Status: GOOD ( 11.73 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:443 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 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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: amit.kucheria@verdurent.com, daniel.lezcano@linaro.org, linux-pm@vger.kernel.org, Neil Armstrong , linux-kernel@vger.kernel.org, Amit Kucheria , linux-amlogic@lists.infradead.org, rui.zhang@intel.com, lee.jones@linaro.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add the Khadas MCU node with active FAN thermal nodes for all the Khadas VIM3 variants. Signed-off-by: Neil Armstrong Reviewed-by: Amit Kucheria --- Hi Kevin, The bindings has been reviewed and merged by Lee, could you apply this one via the amlogic tree ? Thanks, Neil .../boot/dts/amlogic/meson-khadas-vim3.dtsi | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi index 1ef1e3672b96..27408c10a811 100644 --- a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi @@ -183,6 +183,23 @@ hdmi-phandle = <&hdmi_tx>; }; +&cpu_thermal { + trips { + cpu_active: cpu-active { + temperature = <80000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "active"; + }; + }; + + cooling-maps { + map { + trip = <&cpu_active>; + cooling-device = <&khadas_mcu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; +}; + &ext_mdio { external_phy: ethernet-phy@0 { /* Realtek RTL8211F (0x001cc916) */ @@ -222,6 +239,12 @@ pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>; pinctrl-names = "default"; + khadas_mcu: system-controller@18 { + compatible = "khadas,mcu"; + reg = <0x18>; + #cooling-cells = <2>; + }; + gpio_expander: gpio-controller@20 { compatible = "ti,tca6408"; reg = <0x20>;