From patchwork Fri Dec 26 12:34:52 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 424112 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id AB21F140081 for ; Fri, 26 Dec 2014 23:36:14 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751988AbaLZMf0 (ORCPT ); Fri, 26 Dec 2014 07:35:26 -0500 Received: from ring0.de ([5.45.105.125]:36831 "EHLO ring0.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751987AbaLZMfX (ORCPT ); Fri, 26 Dec 2014 07:35:23 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on ring0.de X-Spam-Level: X-Spam-Status: No, score=-1.9 required=4.0 tests=BAYES_00,NO_RECEIVED, NO_RELAYS autolearn=unavailable version=3.3.2 X-Spam-Report: * -0.0 NO_RELAYS Informational: message was not relayed via SMTP * -1.9 BAYES_00 BODY: Spamwahrscheinlichkeit nach Bayes-Test: 0-1% * [score: 0.0000] * -0.0 NO_RECEIVED Informational: message has no Received headers From: Sebastian Reichel To: Sebastian Reichel , Pavel Machek , Pali Rohar , Jean Delvare , Guenter Roeck , Tony Lindgren , =?UTF-8?q?Beno=C3=AEt=20Cousson?= Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, lm-sensors@lm-sensors.org, devicetree@vger.kernel.org, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala Subject: [PATCH 1/3] DT Binding for omap3 temperature sensor Date: Fri, 26 Dec 2014 13:34:52 +0100 Message-Id: <1419597294-21487-2-git-send-email-sre@kernel.org> X-Mailer: git-send-email 2.1.3 In-Reply-To: <1419597294-21487-1-git-send-email-sre@kernel.org> References: <20141226102933.GA28778@amd> <1419597294-21487-1-git-send-email-sre@kernel.org> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org OMAP34xx and OMAP36xx processors contain a register in the syscon area, which can be used to determine the SoCs temperature. This provides a DT binding specification for the temperature monitor. Signed-off-by: Sebastian Reichel Acked-by: Pavel Machek --- .../bindings/hwmon/omap3-temperature.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/omap3-temperature.txt diff --git a/Documentation/devicetree/bindings/hwmon/omap3-temperature.txt b/Documentation/devicetree/bindings/hwmon/omap3-temperature.txt new file mode 100644 index 0000000..99631ad --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/omap3-temperature.txt @@ -0,0 +1,25 @@ +* OMAP3 temperature sensor + +The OMAP34xx and OMAP36xx processors contain a register in the syscon area, +which can be used to determine the SoCs temperature. + +Requires node properties: +- compatible : should contain one of + - "ti,omap34xx-temperature-sensor" for OMAP34xx + - "ti,omap36xx-temperature-sensor" for OMAP36xx +- syscon : Should be a phandle to system configuration node which + encompases the temperature register +- clocks : Should contain 32KHz fclk clock specifier +- clock-names : Should contain clock names + - "fck" for the 32KHz fclk clock specifier + +Example for omap34xx: + +/ { + temperature-sensor { + compatible = "ti,omap34xx-temperature-sensor"; + syscon = <&omap3_scm_general>; + clocks = <&ts_fck>; + clock-names = "fck"; + }; +};