From patchwork Tue Mar 31 06:14:58 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baruch Siach X-Patchwork-Id: 6127571 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 39707BF4A6 for ; Tue, 31 Mar 2015 06:18:25 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6BDC4201BC for ; Tue, 31 Mar 2015 06:18:24 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 68212201B9 for ; Tue, 31 Mar 2015 06:18:23 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YcpSo-0005dU-At; Tue, 31 Mar 2015 06:15:50 +0000 Received: from guitar.tcltek.co.il ([192.115.133.116] helo=mx.tkos.co.il) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YcpSV-000561-0N for linux-arm-kernel@lists.infradead.org; Tue, 31 Mar 2015 06:15:33 +0000 Received: from tarshish.tkos.co.il (unknown [10.0.8.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mx.tkos.co.il (Postfix) with ESMTPSA id 07A31440494; Tue, 31 Mar 2015 09:15:05 +0300 (IDT) From: Baruch Siach To: Wim Van Sebroeck Subject: [PATCH v3 1/2] watchdog: digicolor: document device tree binding Date: Tue, 31 Mar 2015 09:14:58 +0300 Message-Id: <9995b9d0be8cda30103be7406a781cd79f347aeb.1427782499.git.baruch@tkos.co.il> X-Mailer: git-send-email 2.1.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150330_231531_322933_8B939E9A X-CRM114-Status: UNSURE ( 9.14 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.0 (/) Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Baruch Siach , linux-watchdog@vger.kernel.org, Guenter Roeck X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_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 Add a device tree binding documentation to the watchdog hardware block on the Conexant CX92755 SoC. The CX92755 is from the Digicolor SoCs series. Other SoCs in that series may share the same hardware block. Signed-off-by: Baruch Siach Reviewed-by: Guenter Roeck --- v3: No change v2: No change --- .../devicetree/bindings/watchdog/digicolor-wdt.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/digicolor-wdt.txt diff --git a/Documentation/devicetree/bindings/watchdog/digicolor-wdt.txt b/Documentation/devicetree/bindings/watchdog/digicolor-wdt.txt new file mode 100644 index 000000000000..a882967e17d4 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/digicolor-wdt.txt @@ -0,0 +1,25 @@ +Conexant Digicolor SoCs Watchdog timer + +The watchdog functionality in Conexant Digicolor SoCs relies on the so called +"Agent Communication" block. This block includes the eight programmable system +timer counters. The first timer (called "Timer A") is the only one that can be +used as watchdog. + +Required properties: + +- compatible : Should be "cnxt,cx92755-wdt" +- reg : Specifies base physical address and size of the registers +- clocks : phandle; specifies the clock that drives the timer + +Optional properties: + +- timeout-sec : Contains the watchdog timeout in seconds + +Example: + + watchdog@f0000fc0 { + compatible = "cnxt,cx92755-wdt"; + reg = <0xf0000fc0 0x8>; + clocks = <&main_clk>; + timeout-sec = <15>; + };