From nobody Sun Sep 14 18:29:27 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 22460C7619A for ; Wed, 5 Apr 2023 21:54:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233838AbjDEVyR (ORCPT ); Wed, 5 Apr 2023 17:54:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232548AbjDEVyI (ORCPT ); Wed, 5 Apr 2023 17:54:08 -0400 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A440F1989; Wed, 5 Apr 2023 14:54:05 -0700 (PDT) Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 335LrpFu114247; Wed, 5 Apr 2023 16:53:51 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1680731631; bh=8uKbFKLPkoXzvdoTYFcW5QTSiE+wGcfcnoidQvafueM=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=l586TJ+CUvamRFh0pFNCogl0pMN8s9dNVVQa4mSZVJiXvXNX+umumE5mToM0C06hv jl8mU1uMW9NNFj7gPqnn2x6iD8Rwg+Bt3joX6E2x6fUI3N2cb5D1nC8ta+rRobmFT5 aC09dcyTa1xvRjSDp80l0nDTxZrCDysvfiE3Z4tU= Received: from DFLE105.ent.ti.com (dfle105.ent.ti.com [10.64.6.26]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 335LrpHV047555 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 5 Apr 2023 16:53:51 -0500 Received: from DFLE106.ent.ti.com (10.64.6.27) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Wed, 5 Apr 2023 16:53:50 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE106.ent.ti.com (10.64.6.27) 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; Wed, 5 Apr 2023 16:53:50 -0500 Received: from localhost (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 335LroAK091628; Wed, 5 Apr 2023 16:53:50 -0500 From: Bryan Brattlof To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo CC: Rob Herring , Krzysztof Kozlowski , Keerthy , Device Tree Mailing List , ARM Linux Mailing List , Linux Kernel Mailing List , Bryan Brattlof Subject: [PATCH v3 2/7] arm64: dts: ti: k3-am62-wakeup: add VTM node Date: Wed, 5 Apr 2023 16:53:23 -0500 Message-ID: <20230405215328.3755561-3-bb@ti.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230405215328.3755561-1-bb@ti.com> References: <20230405215328.3755561-1-bb@ti.com> MIME-Version: 1.0 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 | 8 +++-- 3 files changed, 47 insertions(+), 2 deletions(-) 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 7726ebae25394..eae0528871862 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi @@ -61,4 +61,12 @@ wkup_rti0: watchdog@2b000000 { /* Used by DM firmware */ status =3D "reserved"; }; + + 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 a401f52252439..5e72c445f37a9 100644 --- a/arch/arm64/boot/dts/ti/k3-am62.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62.dtsi @@ -81,6 +81,7 @@ 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 @@ -91,14 +92,17 @@ cbass_mcu: bus@4000000 { ranges =3D <0x00 0x04000000 0x00 0x04000000 0x00 0x01ff1400>; /* Periph= eral window */ }; =20 - cbass_wakeup: bus@2b000000 { + cbass_wakeup: bus@b00000 { 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 2.40.0