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 532F7C004D4 for ; Thu, 19 Jan 2023 22:30:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230106AbjASWav (ORCPT ); Thu, 19 Jan 2023 17:30:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60220 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229734AbjASW3e (ORCPT ); Thu, 19 Jan 2023 17:29:34 -0500 Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5CA66C3805; Thu, 19 Jan 2023 14:13:41 -0800 (PST) Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 30JMDUgc071620; Thu, 19 Jan 2023 16:13:30 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1674166410; bh=cEXQJWdqSirqdsfWjVaeijGRWaufQgDbMEkTdpTW4r8=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=bpXkLR8sf2cyrPRKYJVsIBbUKvnKR63AoxeXi3jaUCXNO2UVMp/wArGe0akm6T1mu Vu3NQ60eZkd97feuxFdATQUi98zB+4YEvE5xNaFVFjTLndgG8Cn3u9yuPs6nYPwuxt WfvWuWw4g8+0uN2PTUPkENxCGRVtJVHN5DzcMouM= Received: from DFLE102.ent.ti.com (dfle102.ent.ti.com [10.64.6.23]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 30JMDUIv012463 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 19 Jan 2023 16:13:30 -0600 Received: from DFLE114.ent.ti.com (10.64.6.35) 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; Thu, 19 Jan 2023 16:13:30 -0600 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE114.ent.ti.com (10.64.6.35) 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-snat.itg.ti.com [10.180.69.5]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 30JMDUtw002656; 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 2/6] arm64: dts: ti: k3-am62-wakeup: add VTM node Date: Thu, 19 Jan 2023 16:13:18 -0600 Message-ID: <20230119221322.12563-3-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=3326; i=bb@ti.com; h=from:subject; bh=W31s4HWtI6oPxVN7LZbcq2NBLgzbe0T/4XYkAdrsJro=; b=owNCWmg5MUFZJlNZ8sDBIwAAZ////39fviu96RH2e9/9v7xf77zvfpbk/kcd3W///vpdw9wwAQkB iQ02oYjQAAyAA0ADQDQAAaA0aAeoGg00DR6Q0aaaANNHqaNPSM0nlNDIw1Dk0AaaAaMENANDJo0epj UbSGgaNDTQDIaA9QNDJoDR6jTIZGTR6mgaBoNNGIDTIgwmIDJk0DE0DJoZNDQaYRo0AxDJkGEyDTEa DIaDEDQyMgAMmmmTExDQAfDZfHgLRYZCDRvT6cNweamndZRJhBsxoM0diYICLGBFshE9dV2Mk5QEAs r5SAwQ9Cj0DokoJRIhmOduSgebj6AF6h33bB6iVIueC5799K06hh/CBF2S82WCzd61jiguEr3C5N9T aMZkjAeaoEhl1eFPiTMvAsYXOeW59o2dKlZLaBcd4dgMxUZBqcJoD2rc4j8riGn9cSsj3BNR1Kpf+z kOqxtolEAIpVjeRNufaPByT5hm7a53tNNF7IOzGWOCzefCWoGiH4AdfigTgon9g+JbU3ogrn/ArDZM AmqfFminWyr0/ArBAxcMFgHroJfP6FYvuKZEW9ZK7gdJEYByqalqZR3/bPslyOZIs0k7lwDdnhxyPg FdMit3iEMUQ54IuVs8b5kW7BS5g1HCNnZU+6pXZhyVclId+oLmnl4dBsiipf/F3JFOFCQ8sDBIwA== 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 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 | 6 +++- 3 files changed, 46 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..a358757e26f07 --- /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 =3D <250>; /* milliSeconds */ + polling-delay =3D <500>; /* milliSeconds */ + thermal-sensors =3D <&wkup_vtm0 0>; + + trips { + main0_crit: main0-crit { + temperature =3D <105000>; /* 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 1>; + + trips { + main1_crit: main1-crit { + temperature =3D <105000>; /* milliCelsius */ + hysteresis =3D <2000>; /* milliCelsius */ + type =3D "critical"; + }; + }; + }; +}; diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi b/arch/arm64/boot/d= ts/ti/k3-am62-wakeup.dtsi index 38dced6b4fef9..91ec9887ac6d1 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi @@ -40,4 +40,12 @@ wkup_i2c0: i2c@2b200000 { clock-names =3D "fck"; 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-am62.dtsi b/arch/arm64/boot/dts/ti/k= 3-am62.dtsi index 37fcbe7a3c336..74cf1b4d7a6ad 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>, =20 /* Wakeup Domain Range */ + <0x00 0x00b00000 0x00 0x00b00000 0x00 0x00002400>, /* VTM */ <0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>, <0x00 0x43000000 0x00 0x43000000 0x00 0x00020000>; =20 @@ -94,10 +95,13 @@ cbass_wakeup: bus@2b000000 { compatible =3D "simple-bus"; #address-cells =3D <2>; #size-cells =3D <2>; - ranges =3D <0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>, /* Periph= eral Window */ + ranges =3D <0x00 0x00b00000 0x00 0x00b00000 0x00 0x00002400>, /* VTM */ + <0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>, /* Peripheral Wind= ow */ <0x00 0x43000000 0x00 0x43000000 0x00 0x00020000>; }; }; + + #include "k3-am62-thermal.dtsi" }; =20 /* Now include the peripherals for each bus segments */ --=20 2.39.0