From patchwork Fri Nov 23 16:17:27 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 10696163 X-Patchwork-Delegate: eduardo.valentin@ti.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A056613BF for ; Fri, 23 Nov 2018 16:17:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8ECE02CBD3 for ; Fri, 23 Nov 2018 16:17:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 817B82CC0D; Fri, 23 Nov 2018 16:17:55 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 680F52CBD3 for ; Fri, 23 Nov 2018 16:17:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2410129AbeKXDCn (ORCPT ); Fri, 23 Nov 2018 22:02:43 -0500 Received: from mail.bootlin.com ([62.4.15.54]:37830 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2403840AbeKXDCn (ORCPT ); Fri, 23 Nov 2018 22:02:43 -0500 Received: by mail.bootlin.com (Postfix, from userid 110) id 49AF720DD6; Fri, 23 Nov 2018 17:17:51 +0100 (CET) Received: from localhost.localdomain (unknown [37.164.168.97]) by mail.bootlin.com (Postfix) with ESMTPSA id 1C18D20DBE; Fri, 23 Nov 2018 17:17:40 +0100 (CET) From: Miquel Raynal To: Gregory Clement , Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Zhang Rui , Eduardo Valentin , Daniel Lezcano Cc: Rob Herring , Mark Rutland , Catalin Marinas , Will Deacon , devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Thomas Petazzoni , Antoine Tenart , Maxime Chevallier , Nadav Haklai , David Sniatkiwicz , Marc Zyngier , Russell King , Miquel Raynal Subject: [PATCH v2 3/6] dt-bindings: ap806: document the thermal interrupt capabilities Date: Fri, 23 Nov 2018 17:17:27 +0100 Message-Id: <20181123161730.11289-4-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181123161730.11289-1-miquel.raynal@bootlin.com> References: <20181123161730.11289-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The thermal IP can produce interrupts on overheat situation. Describe them. Signed-off-by: Miquel Raynal --- .../bindings/arm/marvell/ap806-system-controller.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt index 3fd21bb7cb37..35e8dd2edfd2 100644 --- a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt +++ b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt @@ -114,12 +114,18 @@ Documentation/devicetree/bindings/thermal/thermal.txt The thermal IP can probe the temperature all around the processor. It may feature several channels, each of them wired to one sensor. +It is possible to setup an overheat interrupt by giving at least one +critical point to any subnode of the thermal-zone node. + Required properties: - compatible: must be one of: * marvell,armada-ap806-thermal - reg: register range associated with the thermal functions. Optional properties: +- interrupt-parent/interrupts: overheat interrupt handle. Should point to + line 18 of the SEI irqchip. + See interrupt-controller/interrupts.txt - #thermal-sensor-cells: shall be <1> when thermal-zones subnodes refer to this IP and represents the channel ID. There is one sensor per channel. O refers to the thermal IP internal channel, while positive @@ -133,6 +139,8 @@ ap_syscon1: system-controller@6f8000 { ap_thermal: thermal-sensor@80 { compatible = "marvell,armada-ap806-thermal"; reg = <0x80 0x10>; + interrupt-parent = <&sei>; + interrupts = <18>; #thermal-sensor-cells = <1>; }; };