From patchwork Thu Sep 25 22:51:03 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Josh Cartwright X-Patchwork-Id: 4977861 Return-Path: X-Original-To: patchwork-linux-arm-msm@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 6973EBEEA6 for ; Thu, 25 Sep 2014 22:57:36 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AA89B202A1 for ; Thu, 25 Sep 2014 22:57:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C65832025A for ; Thu, 25 Sep 2014 22:57:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752549AbaIYW4n (ORCPT ); Thu, 25 Sep 2014 18:56:43 -0400 Received: from smtp.codeaurora.org ([198.145.11.231]:46133 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752520AbaIYW4l (ORCPT ); Thu, 25 Sep 2014 18:56:41 -0400 Received: from smtp.codeaurora.org (localhost [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id 061BB140609; Thu, 25 Sep 2014 22:56:41 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 486) id EA25B14060A; Thu, 25 Sep 2014 22:56:40 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: 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 Received: from joshc.qualcomm.com (rrcs-67-52-129-61.west.biz.rr.com [67.52.129.61]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: joshc@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 9E530140607; Thu, 25 Sep 2014 22:56:40 +0000 (UTC) Received: by joshc.qualcomm.com (Postfix, from userid 1000) id 45B3462FD0; Thu, 25 Sep 2014 17:51:06 -0500 (CDT) From: Josh Cartwright To: Wim Van Sebroeck , linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Kumar Gala , Guenter Roeck , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , devicetree@vger.kernel.org Subject: [PATCH v4 2/3] watchdog: qcom: document device tree bindings Date: Thu, 25 Sep 2014 17:51:03 -0500 Message-Id: <84605584a0634ad35a7829daf5a148107aaabc72.1411684967.git.joshc@codeaurora.org> X-Mailer: git-send-email 2.1.0 In-Reply-To: References: In-Reply-To: References: X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The Qualcomm Krait Processor Sub-system (KPSS) contains one or more instances of the WDT. Provide documentation on how to describe these in the device tree. Signed-off-by: Josh Cartwright Reviewed-by: Guenter Roeck --- .../devicetree/bindings/watchdog/qcom-wdt.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/qcom-wdt.txt diff --git a/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt b/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt new file mode 100644 index 0000000..4726924 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt @@ -0,0 +1,24 @@ +Qualcomm Krait Processor Sub-system (KPSS) Watchdog +--------------------------------------------------- + +Required properties : +- compatible : shall contain only one of the following: + + "qcom,kpss-wdt-msm8960" + "qcom,kpss-wdt-apq8064" + "qcom,kpss-wdt-ipq8064" + +- reg : shall contain base register location and length +- clocks : shall contain the input clock + +Optional properties : +- timeout-sec : shall contain the default watchdog timeout in seconds, + if unset, the default timeout is 30 seconds + +Example: + watchdog@208a038 { + compatible = "qcom,kpss-wdt-ipq8064"; + reg = <0x0208a038 0x40>; + clocks = <&sleep_clk>; + timeout-sec = <10>; + };