From patchwork Wed Oct 26 12:41:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 13020530 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 24A83C38A2D for ; Wed, 26 Oct 2022 12:41:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+PwD0cNnGwHIrbCxbXbfBBKfGHrCuN945FhORrdHggk=; b=0DrVeijzrYWftg jpRgaQeY4fgiDV14hpTzs7TvtNJoA+xAs9OdITN0u9kng9jU5daq9910c7sr54hnqGStQJMRMY8X/ z/JHksB/pHRfGFuZ++t2rsYUCocUXI9VZi3clXfjsZck1DwSfb1VE4KpwTqwdvIfwQLda6lLvkPcG s/hoX9k7/OF/5xqla2UxPyK+mLQBBEPSP/tlAgpC4c8GOBdA0X+hLtHdrV2Qsz61P6+TvDZHGfe5m 7BSpG/Wh/sUFjE7ECS5IwCAepDehCY/q/oi68U5UMAo+RMBGr6iDiWpn48VEvbpdiG4NlGZivjybS 0AXN6UU6NGWRUZULg/Cw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1onfhl-009Cnd-Rd; Wed, 26 Oct 2022 12:40:22 +0000 Received: from esa.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1onfgn-009CHm-CY for linux-arm-kernel@lists.infradead.org; Wed, 26 Oct 2022 12:39:22 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1666787962; x=1698323962; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2wFwP5DO/Q0M+PToFWR6iInwUsotX6p9IkR/irjoawA=; b=LuXoipBD/7Qrz7TLGl76RgbE+INWKTlemQOVdsHkqCDZebM/bNfY5FTA M7J3kjRetHlKz3vfkwNvePNxA+CuFc1+u0pJpXLytwbORU/SkZ1WioqMC 0uSK7ueIpt64ItKeT8vYpFmJa/Ey8juQvIyBLQOH/lMSrXLtQW/GsjxVB USHlOAG6brpp2ZAi3MiCVWKESt0/2i8O+qBFWi0Td96vDWC2jWlUk2gly 02s5sSgz6d8hbdjRWpMmdvcyItmTsbq40GG4YyxWDuH7qFTJytNCaalu4 Y5leLVFn7HqZeMNKbLeoOc5gCjOU3IKK4HFme1fK6UdeMNwqPiC+yBmFQ Q==; X-IronPort-AV: E=Sophos;i="5.95,214,1661842800"; d="scan'208";a="180590465" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa4.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 26 Oct 2022 05:39:21 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.12; Wed, 26 Oct 2022 05:39:18 -0700 Received: from localhost.localdomain (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2507.12 via Frontend Transport; Wed, 26 Oct 2022 05:39:16 -0700 From: Claudiu Beznea To: , , , , , CC: , , , Claudiu Beznea Subject: [PATCH 06/11] ARM: dts: at91: sama7g5: add thermal zones node Date: Wed, 26 Oct 2022 15:41:09 +0300 Message-ID: <20221026124114.985876-7-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20221026124114.985876-1-claudiu.beznea@microchip.com> References: <20221026124114.985876-1-claudiu.beznea@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221026_053921_515872_24A3F891 X-CRM114-Status: GOOD ( 10.48 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add thermal zones node with its associated trips and cooling-maps. It uses CPUFreq as cooling device for temperatures in the interval [90, 100) degrees Celsius and describe the temperature of 100 degrees Celsius as critical temperature. System will be is shutting down when reaching critical temperature. Signed-off-by: Claudiu Beznea --- arch/arm/boot/dts/sama7g5.dtsi | 42 ++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/arch/arm/boot/dts/sama7g5.dtsi b/arch/arm/boot/dts/sama7g5.dtsi index 52829be04427..fb517f9aff30 100644 --- a/arch/arm/boot/dts/sama7g5.dtsi +++ b/arch/arm/boot/dts/sama7g5.dtsi @@ -17,6 +17,7 @@ #include #include #include +#include / { model = "Microchip SAMA7G5 family SoC"; @@ -36,6 +37,7 @@ cpu0: cpu@0 { clocks = <&pmc PMC_TYPE_CORE PMC_CPUPLL>; clock-names = "cpu"; operating-points-v2 = <&cpu_opp_table>; + #cooling-cells = <2>; /* min followed by max */ }; }; @@ -74,6 +76,46 @@ opp-1000000002 { }; }; + thermal-zones { + cpu_thermal: cpu-thermal { + polling-delay-passive = <1000>; + polling-delay = <5000>; + thermal-sensors = <&thermal_sensor>; + + trips { + cpu_normal: cpu-alert0 { + temperature = <90000>; + hysteresis = <0>; + type = "passive"; + }; + + cpu_hot: cpu-alert1 { + temperature = <95000>; + hysteresis = <0>; + type = "passive"; + }; + + cpu_critical: cpu-critical { + temperature = <100000>; + hysteresis = <0>; + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_normal>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + + map1 { + trip = <&cpu_hot>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + }; + clocks { slow_xtal: slow_xtal { compatible = "fixed-clock";