From patchwork Wed Nov 3 09:19:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "J, KEERTHY" X-Patchwork-Id: 12600469 X-Patchwork-Delegate: daniel.lezcano@linaro.org 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AD263C433F5 for ; Wed, 3 Nov 2021 09:19:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 988436115B for ; Wed, 3 Nov 2021 09:19:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231992AbhKCJWR (ORCPT ); Wed, 3 Nov 2021 05:22:17 -0400 Received: from lelv0142.ext.ti.com ([198.47.23.249]:50064 "EHLO lelv0142.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231971AbhKCJWO (ORCPT ); Wed, 3 Nov 2021 05:22:14 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 1A39JZxa045716; Wed, 3 Nov 2021 04:19:35 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1635931175; bh=goIf/+oHT3mTd+K70oXaHeKMvUYn/pb85zWP3XydD7o=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=jFB3b/Gu+B4crTYKW4jrIChX+L92fKfdXsPpQg+RAGuwROCWi3qanATT6FGm1Sxx0 wOUTPGG0Q3ziX6sy/mclrJYWTJ5wEpCJP9/7vls8KlqI3/mVS3rvCUBocZFW2R4KN+ 2v0ji1S2hH0Ikhd4D06AYJSCHV89avn8hcezOn8w= Received: from DFLE102.ent.ti.com (dfle102.ent.ti.com [10.64.6.23]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 1A39JZZN098544 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 3 Nov 2021 04:19:35 -0500 Received: from DFLE103.ent.ti.com (10.64.6.24) 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 15.1.2308.14; Wed, 3 Nov 2021 04:19:35 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DFLE103.ent.ti.com (10.64.6.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14 via Frontend Transport; Wed, 3 Nov 2021 04:19:35 -0500 Received: from localhost.localdomain (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 1A39JSrL002784; Wed, 3 Nov 2021 04:19:32 -0500 From: Keerthy To: , , , , CC: , , , Subject: [PATCH v4 1/4] dt-bindings: thermal: k3-j72xx: Add VTM bindings documentation Date: Wed, 3 Nov 2021 14:49:21 +0530 Message-ID: <20211103091924.32742-2-j-keerthy@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211103091924.32742-1-j-keerthy@ti.com> References: <20211103091924.32742-1-j-keerthy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add VTM bindings documentation. In the Voltage Thermal Management Module(VTM), K3 J72XX supplies a voltage reference and a temperature sensor feature that are gathered in the band gap voltage and temperature sensor (VBGAPTS) module. The band gap provides current and voltage reference for its internal circuits and other analog IP blocks. The analog-to-digital converter (ADC) produces an output value that is proportional to the silicon temperature. Signed-off-by: Keerthy --- .../bindings/thermal/ti,j72xx-thermal.yaml | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/thermal/ti,j72xx-thermal.yaml diff --git a/Documentation/devicetree/bindings/thermal/ti,j72xx-thermal.yaml b/Documentation/devicetree/bindings/thermal/ti,j72xx-thermal.yaml new file mode 100644 index 000000000000..8483c495cb9a --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/ti,j72xx-thermal.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/thermal/ti,j72xx-thermal.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments J72XX VTM (DTS) binding + +maintainers: + - Keerthy + +properties: + compatible: + const: ti,j721e-vtm + oneOf: + - enum: + - ti,j721e-vtm + - ti,j7200-vtm + + reg: + maxItems: 3 + + power-domains: + maxItems: 1 + + "#thermal-sensor-cells": + const: 1 + +required: + - compatible + - reg + - power-domains + - "#thermal-sensor-cells" + +additionalProperties: false + +examples: + - | + #include + wkup_vtm0: wkup_vtm0@42040000 { + compatible = "ti,j721e-vtm"; + reg = <0x42040000 0x350>, + <0x42050000 0x350>, + <0x43000300 0x10>; + power-domains = <&k3_pds 154 TI_SCI_PD_EXCLUSIVE>; + #thermal-sensor-cells = <1>; + }; + + mpu_thermal: mpu_thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <500>; /* milliseconds */ + thermal-sensors = <&wkup_vtm0 0>; + + trips { + mpu_crit: mpu_crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; + }; +...