From patchwork Mon Oct 31 23:26:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bryan Brattlof X-Patchwork-Id: 620561 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 01A4BFA3746 for ; Mon, 31 Oct 2022 23:27:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229885AbiJaX1e (ORCPT ); Mon, 31 Oct 2022 19:27:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45338 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229721AbiJaX1a (ORCPT ); Mon, 31 Oct 2022 19:27:30 -0400 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6CEF913F35; Mon, 31 Oct 2022 16:27:28 -0700 (PDT) Received: from lelv0266.itg.ti.com ([10.180.67.225]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 29VNRG9Z058542; Mon, 31 Oct 2022 18:27:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1667258836; bh=YityQ/wuUXHsyeqfnkyK8ltNeRnXLIQbQj38R/cl/ME=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=D25L/+AjhDK31CaRRbzeC4KWjnO2HS5MqEnSXbsfw2cL1vh8uuqEWVvMe0e7aA15s tq9cN+i8Nmm0nGvuYil+O7UskPKekFubgFUIB4cAiGOWSdeU9brIdMRSdOSQm58cFh xOTUyas5KNjuCQgbBlMFKp/wkJnHpU6p4zShL8ng= Received: from DLEE110.ent.ti.com (dlee110.ent.ti.com [157.170.170.21]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 29VNRG0D007679 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 31 Oct 2022 18:27:16 -0500 Received: from DLEE103.ent.ti.com (157.170.170.33) by DLEE110.ent.ti.com (157.170.170.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.6; Mon, 31 Oct 2022 18:27:16 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE103.ent.ti.com (157.170.170.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.6 via Frontend Transport; Mon, 31 Oct 2022 18:27:16 -0500 Received: from localhost (ileaxei01-snat.itg.ti.com [10.180.69.5]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 29VNRGe4124787; Mon, 31 Oct 2022 18:27:16 -0500 From: Bryan Brattlof To: "Rafael J. Wysocki" , Daniel Lezcano , Amit Kucheria , Zhang Rui , Rob Herring , Krzysztof Kozlowski , Nishanth Menon , Vignesh Raghavendra , Tero Kristo CC: Keerthy , Linux PM , Device Trees , LKML , LKML ARM , Bryan Brattlof Subject: [PATCH v3 08/11] arm64: dts: ti: k3-am62-wakeup: add VTM node Date: Mon, 31 Oct 2022 18:26:59 -0500 Message-ID: <20221031232702.10339-9-bb@ti.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221031232702.10339-1-bb@ti.com> References: <20221031232702.10339-1-bb@ti.com> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3321; h=from:subject; bh=/6/erm8uGvFnwvcLO4BZMnh8Xxmwt3ii2KHozEpD0Qs=; b=owNCWmg5MUFZJlNZX+HChwAAav///v75fn33/Leaf1923vff1z26V3+P334t7l47vHfx/m8wARsY IfqT1ADQGgAANBo0A00A0BoDQAANA0GmgNAAGgAPUaA0AGj1PUaPU9PQSHJoAAGhppoAAGgNqNDQB6 RoaGgAB6gNNBoxDQfqT1NNqMgAG1G1GgDQDQ9QeiGRkGgZBo00aDQGhkDCBoDCaAGJhMCNDTAIGhkA DQxMhppiMTQaAAAAgTcJc+Y4HFZMSFjg3bUJfqin4tA7rQrcDIBw0NpY6aAAX5Yt2JntvrpksIBVWS tPvO65pAxBR4K46lj6z6Gd2chd2pHSZVL8Cjkm01UdW5DQXsW62wBQTQG58Y4waj+QDIhW1TFOYEjH zAI5PdWyGNJnwL0zX9j+OhotGgpNEQZeWog2UZlpUVGnXIiOEkJCHgy021etWOXh0NqhFR/qOP42F7 qZw+5XGUvcdPK+KvUuP2QRzzavjnzgo5759SVzEtv81+QnWqg1NcsuWf2Gy1cvjDQN5qouhSO593Ka lUHxAeggpn15KTUJXeugy0KA9YjtesGgTQzE5n8y9glYH3ByTk/ZEA8/Cx4rNkBpYcHi2rsGZOyZBC RmyRdTeB+Eqv5pf5H9SDa6grcqE2OG/NMRFBMQGgMZQs8P7iUy1loNv+LuSKcKEgv8OFDg X-Developer-Key: i=bb@ti.com; a=openpgp; fpr=D3D177E40A38DF4D1853FEEF41B90D5D71D56CE0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The am62x supports a single Voltage and Thermal Management (VTM) module located in the wakeup domain with two associated temperature monitors located in hot spots of the die. Signed-off-by: Bryan Brattlof --- arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi | 33 +++++++++++++++++++++ arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi | 8 +++++ arch/arm64/boot/dts/ti/k3-am62.dtsi | 7 ++++- 3 files changed, 47 insertions(+), 1 deletion(-) create mode 100644 arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi diff --git a/arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi new file mode 100644 index 0000000000000..1819a6948b19d --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include + +thermal_zones: thermal-zones { + main0_thermal: main0-thermal { + polling-delay-passive = <250>; /* milliSeconds */ + polling-delay = <500>; /* milliSeconds */ + thermal-sensors = <&vtm0 0>; + + trips { + main0_crit: main0-crit { + temperature = <105000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; + }; + + main1_thermal: main1-thermal { + polling-delay-passive = <250>; /* milliSeconds */ + polling-delay = <500>; /* milliSeconds */ + thermal-sensors = <&vtm0 1>; + + trips { + main1_crit: main1-crit { + temperature = <105000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; + }; +}; diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi index 4090134676cf6..3954a73a33f35 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi @@ -38,4 +38,12 @@ wkup_i2c0: i2c@2b200000 { clocks = <&k3_clks 107 4>; clock-names = "fck"; }; + + vtm0: temperature-sensor@b00000 { + compatible = "ti,j7200-vtm"; + reg = <0x00 0xb00000 0x00 0x400>, + <0x00 0xb01000 0x00 0x400>; + power-domains = <&k3_pds 95 TI_SCI_PD_EXCLUSIVE>; + #thermal-sensor-cells = <1>; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am62.dtsi b/arch/arm64/boot/dts/ti/k3-am62.dtsi index 37fcbe7a3c336..1795f3ee534e0 100644 --- a/arch/arm64/boot/dts/ti/k3-am62.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62.dtsi @@ -80,6 +80,7 @@ cbass_main: bus@f0000 { <0x00 0x04000000 0x00 0x04000000 0x00 0x01ff1400>, /* Wakeup Domain Range */ + <0x00 0x00b00000 0x00 0x00b00000 0x00 0x00002400>, /* VTM */ <0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>, <0x00 0x43000000 0x00 0x43000000 0x00 0x00020000>; @@ -94,10 +95,14 @@ cbass_wakeup: bus@2b000000 { compatible = "simple-bus"; #address-cells = <2>; #size-cells = <2>; - ranges = <0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>, /* Peripheral Window */ + ranges = <0x00 0x00b00000 0x00 0x00b00000 0x00 0x00002400>, /* VTM */ + <0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>, /* Peripheral Window */ <0x00 0x43000000 0x00 0x43000000 0x00 0x00020000>; }; }; + + #include "k3-am62-thermal.dtsi" + }; /* Now include the peripherals for each bus segments */