From nobody Sun Sep 14 18:12:50 2025 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 2FBA9C46467 for ; Thu, 19 Jan 2023 22:31:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230189AbjASWa4 (ORCPT ); Thu, 19 Jan 2023 17:30:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60214 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230252AbjASW3e (ORCPT ); Thu, 19 Jan 2023 17:29:34 -0500 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6337CC3816; Thu, 19 Jan 2023 14:13:41 -0800 (PST) Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 30JMDVVK103031; Thu, 19 Jan 2023 16:13:31 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1674166411; bh=psud6/3Zex7Bnj45jRaOEP9aFmHjkTfzCmLnvxu6vqs=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=rQ8Fw6aEX2w/ybHwjAcNJMDLTfTvI/6FD/59qLfDZvc6dj4U/SpmgL2+l/mjv8VoW g+JVVYOzaBbSknK2zxy1TAuWYAfaJpEcgwTfNj+E2n1/gY5Jih+N2LmcpSwWiFnLsi SI61B0YpdZBzAp14p750Jc1iu4OEe+CEj+uZX2JM= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 30JMDVdw122571 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 19 Jan 2023 16:13:31 -0600 Received: from DFLE102.ent.ti.com (10.64.6.23) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Thu, 19 Jan 2023 16:13:30 -0600 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16 via Frontend Transport; Thu, 19 Jan 2023 16:13:30 -0600 Received: from localhost (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 30JMDUnw006937; Thu, 19 Jan 2023 16:13:30 -0600 From: Bryan Brattlof To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski CC: ARM Linux Mailing List , Device Tree Mailing List , Linux Kernel Mailing List , Bryan Brattlof Subject: [PATCH 6/6] arm64: dts: ti: k3-am62a-wakeup: add VTM node Date: Thu, 19 Jan 2023 16:13:22 -0600 Message-ID: <20230119221322.12563-7-bb@ti.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230119221322.12563-1-bb@ti.com> References: <20230119221322.12563-1-bb@ti.com> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3073; i=bb@ti.com; h=from:subject; bh=+8oOI2FkMbYpUXhfzeFebAQn++Ewvzjr9qxmkxY3bBs=; b=owNCWmg5MUFZJlNZU+tJIAAAYP////f5/zm9rMe5Nuxam07ffFt+/Xdm//vff7l8v/nq13+wARsw GJAA0GmjQDCNANGjIAaAaNMQ0NAGgDQaAGjQAAGg00aMmE000xMT1MaZIcgAaA0Bo00GRo0aNG1NDQ aA0ZAyDBAeiBkA0eoABoyaGJ6h6Q9Q9IGmQ0ZA0HJp6mgyaMhhNGgGIGjINGTTQNAZGmgAZMJkwTQM mCBoZNBkAGQAaMgGgyAAYHiHsguMcAkQ4mjmwP79rzIvTDQ8oWJBY6npBqjlIhh7o7nUFY8j1UF78e 8T6D6XNOB8zkr9NYpedxRVIyLcnQ3utv4AIIAlysKUVqKDq9j1fztMiNL6NU8FcnrYLaYhGQi1DGdL XwAODe7RuwgsRaSED+YUL1YLW+2rsBNizGVqeF4ZdTzpYnDJD02ojklIYRkmnPWu+3hhnmq5Vy9s6C vdzbSMC+yEqZGGnRrvxCDKIRihrtNEXi4k/tlfLyzo+vkdZiheqyoE2HpFPgUEu7U+pvLICNwErWYN EhSyChNjmDs9hKDjOlAbEfQ5GPXkINPinA6RuxCAScSYctTGOD2QOW0eDkDQWYqxxT163+S4/PUU07 ICeBYFdjI0SsiZKvjLw6GiyVGEIacu54VaSBmSYigLTNPnwgp3VgXyYfRf4u5IpwoSCn1pJAA= X-Developer-Key: i=bb@ti.com; a=openpgp; fpr=D3D177E40A38DF4D1853FEEF41B90D5D71D56CE0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The am62ax supports a single Voltage and Thermal Management (VTM) device located in the wakeup domain with three associated temperature monitors located in various hot spots of the die. Signed-off-by: Bryan Brattlof --- arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi | 47 ++++++++++++++++++++ arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi | 8 ++++ arch/arm64/boot/dts/ti/k3-am62a.dtsi | 2 + 3 files changed, 57 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi diff --git a/arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi b/arch/arm64/boot= /dts/ti/k3-am62a-thermal.dtsi new file mode 100644 index 0000000000000..02c2bae300c49 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi @@ -0,0 +1,47 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include + +thermal_zones: thermal-zones { + main0_thermal: main0-thermal { + polling-delay-passive =3D <250>; /* milliSeconds */ + polling-delay =3D <500>; /* milliSeconds */ + thermal-sensors =3D <&wkup_vtm0 0>; + + trips { + main0_crit: main0-crit { + temperature =3D <125000>; /* milliCelsius */ + hysteresis =3D <2000>; /* milliCelsius */ + type =3D "critical"; + }; + }; + }; + + main1_thermal: main1-thermal { + polling-delay-passive =3D <250>; /* milliSeconds */ + polling-delay =3D <500>; /* milliSeconds */ + thermal-sensors =3D <&wkup_vtm0 0>; + + trips { + main1_crit: main1-crit { + temperature =3D <125000>; /* milliCelsius */ + hysteresis =3D <2000>; /* milliCelsius */ + type =3D "critical"; + }; + }; + }; + + main2_thermal: main2-thermal { + polling-delay-passive =3D <250>; /* milliSeconds */ + polling-delay =3D <500>; /* milliSeconds */ + thermal-sensors =3D <&wkup_vtm0 0>; + + trips { + main2_crit: main2-crit { + temperature =3D <125000>; /* milliCelsius */ + hysteresis =3D <2000>; /* milliCelsius */ + type =3D "critical"; + }; + }; + }; +}; diff --git a/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi b/arch/arm64/boot/= dts/ti/k3-am62a-wakeup.dtsi index 81d984414fd4a..9bdafead7199a 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi @@ -51,4 +51,12 @@ wkup_rtc0: rtc@2b1f0000 { wakeup-source; status =3D "disabled"; }; + + wkup_vtm0: temperature-sensor@b00000 { + compatible =3D "ti,j7200-vtm"; + reg =3D <0x00 0xb00000 0x00 0x400>, + <0x00 0xb01000 0x00 0x400>; + power-domains =3D <&k3_pds 95 TI_SCI_PD_EXCLUSIVE>; + #thermal-sensor-cells =3D <1>; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am62a.dtsi b/arch/arm64/boot/dts/ti/= k3-am62a.dtsi index 6eb87c3f9f3ce..84e8adeeebb61 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62a.dtsi @@ -114,6 +114,8 @@ cbass_wakeup: bus@b00000 { <0x00 0x78100000 0x00 0x78100000 0x00 0x00008000>; /* DM R5 BTCM*/ }; }; + + #include "k3-am62a-thermal.dtsi" }; =20 /* Now include the peripherals for each bus segments */ --=20 2.39.0