From patchwork Fri Sep 26 09:43:10 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikko Perttunen X-Patchwork-Id: 4979691 X-Patchwork-Delegate: eduardo.valentin@ti.com Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B9A0EBEEA6 for ; Fri, 26 Sep 2014 09:44:20 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E2F45202E6 for ; Fri, 26 Sep 2014 09:44:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 00A5B202BE for ; Fri, 26 Sep 2014 09:44:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753493AbaIZJn6 (ORCPT ); Fri, 26 Sep 2014 05:43:58 -0400 Received: from mail.kapsi.fi ([217.30.184.167]:45742 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753529AbaIZJnh (ORCPT ); Fri, 26 Sep 2014 05:43:37 -0400 Received: from [2001:708:30:12d0:beee:7bff:fe5b:f272] (helo=katsura.kyla.fi) by mail.kapsi.fi with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1XXS3o-00079W-IE; Fri, 26 Sep 2014 12:43:32 +0300 From: Mikko Perttunen To: edubezval@gmail.com, swarren@wwwdotorg.org, thierry.reding@gmail.com Cc: linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, juha-matti.tilli@iki.fi, Mikko Perttunen Subject: [PATCH v6 1/4] of: Add bindings for nvidia,tegra124-soctherm Date: Fri, 26 Sep 2014 12:43:10 +0300 Message-Id: <1411724593-4037-2-git-send-email-cyndis@kapsi.fi> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1411724593-4037-1-git-send-email-cyndis@kapsi.fi> References: <1411724593-4037-1-git-send-email-cyndis@kapsi.fi> X-SA-Exim-Connect-IP: 2001:708:30:12d0:beee:7bff:fe5b:f272 X-SA-Exim-Mail-From: cyndis@kapsi.fi X-SA-Exim-Scanned: No (on mail.kapsi.fi); SAEximRunCond expanded to false Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Mikko Perttunen This adds binding documentation and headers for the Tegra124 SOCTHERM device tree node. Signed-off-by: Mikko Perttunen Acked-by: Stephen Warren Acked-by: Eduardo Valentin --- .../devicetree/bindings/thermal/tegra-soctherm.txt | 53 ++++++++++++++++++++++ include/dt-bindings/thermal/tegra124-soctherm.h | 13 ++++++ 2 files changed, 66 insertions(+) create mode 100644 Documentation/devicetree/bindings/thermal/tegra-soctherm.txt create mode 100644 include/dt-bindings/thermal/tegra124-soctherm.h diff --git a/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt b/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt new file mode 100644 index 0000000..ecf3ed7 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt @@ -0,0 +1,53 @@ +Tegra124 SOCTHERM thermal management system + +The SOCTHERM IP block contains thermal sensors, support for polled +or interrupt-based thermal monitoring, CPU and GPU throttling based +on temperature trip points, and handling external overcurrent +notifications. It is also used to manage emergency shutdown in an +overheating situation. + +Required properties : +- compatible : "nvidia,tegra124-soctherm". +- reg : Should contain 1 entry: + - SOCTHERM register set +- interrupts : Defines the interrupt used by SOCTHERM +- clocks : Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. +- clock-names : Must include the following entries: + - tsensor + - soctherm +- resets : Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. +- reset-names : Must include the following entries: + - soctherm +- #thermal-sensor-cells : Should be 1. See ./thermal.txt for a description + of this property. See for a + list of valid values when referring to thermal sensors. + + +Example : + + soctherm@0,700e2000 { + compatible = "nvidia,tegra124-soctherm"; + reg = <0x0 0x700e2000 0x0 0x1000>; + interrupts = ; + clocks = <&tegra_car TEGRA124_CLK_TSENSOR>, + <&tegra_car TEGRA124_CLK_SOC_THERM>; + clock-names = "tsensor", "soctherm"; + resets = <&tegra_car 78>; + reset-names = "soctherm"; + + #thermal-sensor-cells = <1>; + }; + +Example: referring to thermal sensors : + + thermal-zones { + cpu { + polling-delay-passive = <1000>; + polling-delay = <1000>; + + thermal-sensors = + <&soctherm TEGRA124_SOCTHERM_SENSOR_CPU>; + }; + }; diff --git a/include/dt-bindings/thermal/tegra124-soctherm.h b/include/dt-bindings/thermal/tegra124-soctherm.h new file mode 100644 index 0000000..85aaf66 --- /dev/null +++ b/include/dt-bindings/thermal/tegra124-soctherm.h @@ -0,0 +1,13 @@ +/* + * This header provides constants for binding nvidia,tegra124-soctherm. + */ + +#ifndef _DT_BINDINGS_THERMAL_TEGRA124_SOCTHERM_H +#define _DT_BINDINGS_THERMAL_TEGRA124_SOCTHERM_H + +#define TEGRA124_SOCTHERM_SENSOR_CPU 0 +#define TEGRA124_SOCTHERM_SENSOR_MEM 1 +#define TEGRA124_SOCTHERM_SENSOR_GPU 2 +#define TEGRA124_SOCTHERM_SENSOR_PLLX 3 + +#endif