From patchwork Fri Sep 7 13:05:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marek_Beh=C3=BAn?= X-Patchwork-Id: 967373 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=nic.cz Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=nic.cz header.i=@nic.cz header.b="JKJt6XDP"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 426Hmt6Fprz9s3x for ; Fri, 7 Sep 2018 23:08:14 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728430AbeIGRtG (ORCPT ); Fri, 7 Sep 2018 13:49:06 -0400 Received: from mail.nic.cz ([217.31.204.67]:45967 "EHLO mail.nic.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728300AbeIGRtG (ORCPT ); Fri, 7 Sep 2018 13:49:06 -0400 Received: from dellmb.labs.office.nic.cz (unknown [IPv6:2001:1488:fffe:6:cac7:3539:7f1f:463]) by mail.nic.cz (Postfix) with ESMTP id 2DB366019F; Fri, 7 Sep 2018 15:08:11 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nic.cz; s=default; t=1536325691; bh=AcRNqd2qcER3pkZHq10FFTIOPLM4RDJZy+2q/2+3ncc=; h=From:To:Date; b=JKJt6XDPDwnTARwmJZn3+pzOsyrDwgKgqR5Iz2waUSUBJ8psPftYo7ZwCn+umHXGt JecK6DrTUompe5vJ9QPXvwfUp9IicoHpDKvZ427xazc5TdfKdcDhf07bfM5O+7bzUl ktZoeBqFnGGAxyxhCfU4I11NxjQ5pRFWwfTqAoTc= From: =?utf-8?q?Marek_Beh=C3=BAn?= To: linux-watchdog@vger.kernel.org Cc: wim@linux-watchdog.org, Guenter Roeck , Miquel Raynal , Gregory CLEMENT , =?utf-8?q?Marek_Beh=C3=BAn?= , Rob Herring , devicetree@vger.kernel.org Subject: [PATCH v3 2/4] dt-bindings: watchdog: Document armada-37xx-wdt binding Date: Fri, 7 Sep 2018 15:05:51 +0200 Message-Id: <20180907130553.14271-3-marek.behun@nic.cz> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20180907130553.14271-1-marek.behun@nic.cz> References: <20180907130553.14271-1-marek.behun@nic.cz> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.99.2 at mail X-Virus-Status: Clean Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This adds device tree binding documentation for the CPU watchdog found on Armada 37xx SOCs (EspressoBin, Turris Mox). Signed-off-by: Marek Behún Cc: Rob Herring Cc: devicetree@vger.kernel.org --- .../bindings/watchdog/armada-37xx-wdt.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt diff --git a/Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt b/Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt new file mode 100644 index 000000000000..4ba9e40ad386 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt @@ -0,0 +1,23 @@ +* Armada 37xx CPU Watchdog Timer Controller + +Required properties: +- compatible : must be "marvell,armada-3700-wdt" +- reg : base physical address of the controller and length of memory mapped + region. +- clocks : the clock feeding the watchdog timer. See clock-bindings.txt +- marvell,system-controller : reference to syscon node for the CPU Miscellaneous + Registers + +Example: + + cpu_misc: system-controller@d000 { + compatible = "syscon", "simple-mfd"; + reg = <0xd000 0x1000>; + }; + + wdt: watchdog-timer@8300 { + compatible = "marvell,armada-3700-wdt"; + reg = <0x8300 0x40>; + marvell,system-controller = <&cpu_misc>; + clocks = <&xtalclk>; + };