From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f45.google.com (mail-wr1-f45.google.com [209.85.221.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AB58747ECDE for ; Tue, 21 Jul 2026 10:11:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784628679; cv=none; b=gKWCsTWrSeLrH0tYvHt1lMbCvTPE/qkLAC2RaU/ZKcIrLDi8PzRDaYdMuPwc/xpKIPwAbAAKmlwRIS6d8eYfk0jr2vYBCEMq2Pa1L7FTlqh77nWhqYqm345rh8QimWcJv1G0auqaBYSyx/MQuxkcfJISRSItVb7uyyzuoPl69XI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784628679; c=relaxed/simple; bh=iVZoJ194oEUw2xc4OjPA4NuTSMMc1ZrgAkb07TkG/K4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NpJcYkJAyGwaxLLmuE+oZZIFJSf/RqnS9YPs5jKh23i4xkP05PrSk3lh5OOi8nhCSXtjBBFw4/GvkgcAktUYbR8H7gmcAWcBl940mqYszq1Hw7z/9fkz74mQ93ldCsT7WRcc9D1MA1b/6PptsGuCAa8QwqJQXJcKsxiboTGmqWg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=gN1ppR9I; arc=none smtp.client-ip=209.85.221.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="gN1ppR9I" Received: by mail-wr1-f45.google.com with SMTP id ffacd0b85a97d-47f752b3423so1710257f8f.3 for ; Tue, 21 Jul 2026 03:11:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1784628675; x=1785233475; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=YO6b60GQ3bsYe+qXNMrvYgPe+I4qfLlasxD+4tqSZmI=; b=gN1ppR9IPHgtL2McfSJ+3GKE5T7sM6OzatpUvDUYuKVFaOdvVH4Jcy8Jxs76Q1IA8l fM6+QipcesWwt2sm98AeJnGNPhulyFb8IpHZFAnt+vDBlU7DleBvvCaZ8nuC82u4s2ei 6yp6OZwtt9J8TALJeT0DNnFh4smTsAD1EGLrkDXyDqfCYXz5tdAheTqMYbxA2NAqibvb Q9tEDb6SJMRvpfpZkuVHJVaL8Kg8eUCX8kP2oKE7cAgvz9AblOMb5fQpqwfAIqZV4i8X I6VNVXs4/Pv45sGYXbuXLw/wOEOzw0muXlDO8bTd7myvW0til/aOAsp/M9UiPeTwlGTs NxcA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784628675; x=1785233475; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=YO6b60GQ3bsYe+qXNMrvYgPe+I4qfLlasxD+4tqSZmI=; b=VAv9BkGlAIKfpn4Du0470ZVnFgRE56a6vOb+uIxX6JqI/KxB2bTXD4nhXuCvOXIEuf jB5+eb2gazVzdpkSyOKBaiOdlGrTmUuIaOudaECqM3BG9kuFYirTVjjRPz5az4+q7o1y rGC64d2VK9lntTXXyQokJy7QZ4JIj4xQ7PFHs58xjZPTNaGjv4C8n7/yaMArKyKI+voK 2yKl/Ngsj08DOLdfzAvNN3ZV4JqqKnNmibwig3il7gSvm2E1TGMzQ49xAKBxio3datjr ZHtxFvvkak15uWkTzhRUDmCJw6x+YKwI4B6LBxDZOJLwL4C3eI0/BkUxft6Pk1CMcPxX P/EQ== X-Forwarded-Encrypted: i=1; AHgh+RoIFJzJ/lQ5maj+Qaqmjrvuocer+q74qbb0WvcA9/D+flkIdM4JPK6QfXrBJoH3212LcfULhMxI/A/KNg==@vger.kernel.org X-Gm-Message-State: AOJu0Ywu7FH52FtTbhe/ALOVubj3fzbJitIXKsn5LYcTGJ+X9gTt0wYK v2m7yEBC/vkxnb/vXbmu+uLlhNanP5H2/p02fbLoC5Y2M+2LtkhtyFVB X-Gm-Gg: AfdE7cn3hZJ4BXRmsLRl0WiEH+ZnTCfhmhu+uatIii9o4OySxfQJKXLgjI6/4De9caZ Z6sQszxlVO8xr4EFTh9jZnzivy47Ocqi3s4Nvu5by0hMykhDVIBxIp+Udc+w0AvDdlJbVhUT2tE Hru/tUjSS/lVnhYIy6GnWS6yLHuhtEBAmS4LVTQtVFzjvv7YJZObxNuDytAdEeM/EwYVOl3rigM qUQ+BbuOkHkAppQIoGrbJxQCeSJI9eKfK40yRTXOCVQFaZzUDQOkV97Dg8QtUJ96v9wUCWKivDz rWLr6LpXEeetUQFUdessFKq045m/u7WVv36AkzZ11GzMfEKQCrxHi5Ue9jO18tyKVG4kkGn1LAQ BWWLImGC1igPYFYbtciq/7pcc4f3ZNFUffJi8Fr63AiGgUmSWzkspNBa4Jr0beAHiye8t72Y7QS I2xWglE+3+Bccy4vIjKFh0DVI= X-Received: by 2002:a05:600c:4708:b0:495:518a:d95a with SMTP id 5b1f17b1804b1-495518adb95mr164895505e9.29.1784628674630; Tue, 21 Jul 2026 03:11:14 -0700 (PDT) Received: from xeon ([188.163.112.51]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4956547319dsm57127085e9.5.2026.07.21.03.11.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Jul 2026 03:11:14 -0700 (PDT) From: Svyatoslav Ryhel To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Jonathan Hunter , Svyatoslav Ryhel Cc: devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 05/10] ARM: tegra: tf701t: Add thermal zones for nct1008 sensor Date: Tue, 21 Jul 2026 13:10:54 +0300 Message-ID: <20260721101059.451699-6-clamor95@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260721101059.451699-1-clamor95@gmail.com> References: <20260721101059.451699-1-clamor95@gmail.com> Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ASUS TF701T has an additional thermal sensor for more accurate readings. Add thermal zones for this sensor. Signed-off-by: Svyatoslav Ryhel --- .../boot/dts/nvidia/tegra114-asus-tf701t.dts | 83 +++++++++++++++++++ 1 file changed, 83 insertions(+) diff --git a/arch/arm/boot/dts/nvidia/tegra114-asus-tf701t.dts b/arch/arm/boot/dts/nvidia/tegra114-asus-tf701t.dts index a27d3c4f2c63c..83f8dd84d28a2 100644 --- a/arch/arm/boot/dts/nvidia/tegra114-asus-tf701t.dts +++ b/arch/arm/boot/dts/nvidia/tegra114-asus-tf701t.dts @@ -4,6 +4,7 @@ #include #include +#include #include "tegra114.dtsi" @@ -2682,4 +2683,86 @@ vdd_1v8_touch: regulator-touch-vio { enable-active-high; vin-supply = <&vdd_3v3_sys>; }; + + thermal-zones { + /* + * NCT72 has two sensors: + * + * 0: internal that monitors ambient/skin temperature + * 1: external that is connected to the CPU's diode + * + * Ideally we should use userspace thermal governor, + * but it's a much more complex solution. The "skin" + * zone exists as a simpler solution which prevents + * Transformer from getting too hot from a user's + * tactile perspective. The CPU zone is intended to + * protect silicon from damage. + */ + + nct72-skin-thermal { + polling-delay-passive = <1000>; /* milliseconds */ + polling-delay = <5000>; /* milliseconds */ + + thermal-sensors = <&temp_sensor 0>; + + trips { + skin_alert_trip: skin-alert { + /* throttle at 57C until temperature drops to 56.5C */ + temperature = <57000>; + hysteresis = <500>; + type = "passive"; + }; + + skin-crit { + /* shut down at 65C */ + temperature = <65000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + cooling-maps { + map-skin { + trip = <&skin_alert_trip>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + + nct72-cpu-thermal { + polling-delay-passive = <1000>; /* milliseconds */ + polling-delay = <5000>; /* milliseconds */ + + thermal-sensors = <&temp_sensor 1>; + + trips { + cpu_alert_trip: cpu-alert { + /* throttle at 75C until temperature drops to 74.5C */ + temperature = <75000>; + hysteresis = <500>; + type = "passive"; + }; + + cpu-crit { + /* shut down at 105C */ + temperature = <105000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + cooling-maps { + map-cpu { + trip = <&cpu_alert_trip>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + }; }; -- 2.53.0