From patchwork Tue Mar 31 16:24:44 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 6132091 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 6DF80BF4A6 for ; Tue, 31 Mar 2015 16:32:50 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 88B7F201B4 for ; Tue, 31 Mar 2015 16:32:49 +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 8DAC4200C6 for ; Tue, 31 Mar 2015 16:32:48 +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 1Ycz1G-0002Gz-A3; Tue, 31 Mar 2015 16:28:02 +0000 Received: from mail-wi0-x233.google.com ([2a00:1450:400c:c05::233]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Ycz0T-0001rU-Dz for linux-arm-kernel@lists.infradead.org; Tue, 31 Mar 2015 16:27:14 +0000 Received: by wixo5 with SMTP id o5so11971727wix.1 for ; Tue, 31 Mar 2015 09:26:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=ByNZ7QRkG3zGVdVuvFS3nrZ9b/dvtO0UjhTsxftToDk=; b=TSwJDcS8EYN2q+5ZBsqOSR1Yi9l4Wljqq+i1JN/tb5xU98UocpnZkNj+DJJhINrYPX lZjhbS2ecspuQdDYRHKehBT1sHzuCvqDagdlDiza7urtR8G7BR/3Mjt9+GKrBsvTH+19 6230WIpQNGVcW4j4uDXobluzp+C90DuLFJco0wgzto/maFOCuC4nkDqSIOnR4d1a2XuP qfwbfp7hLkI8/EfbUHTp1nA8OgPDBkHoZIcHApv80swZwNavbmEJfgj62PVMtMZMZo5r wNkyxRYc8TEyD0/vFA27/Ndlj/YgD4W1uTDjChbR8fOIsEyqmnTERc2JPzm1dbHYUh0m 99ZA== X-Received: by 10.180.212.37 with SMTP id nh5mr6729746wic.76.1427819206828; Tue, 31 Mar 2015 09:26:46 -0700 (PDT) Received: from lmecul0520.lme.st.com (LPuteaux-656-1-48-212.w82-127.abo.wanadoo.fr. [82.127.83.212]) by mx.google.com with ESMTPSA id k1sm21028743wjn.9.2015.03.31.09.26.44 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 31 Mar 2015 09:26:46 -0700 (PDT) From: Maxime Coquelin To: u.kleine-koenig@pengutronix.de, afaerber@suse.de, geert@linux-m68k.org, Rob Herring , Philipp Zabel , Linus Walleij , Arnd Bergmann , stefan@agner.ch, pmeerw@pmeerw.net, pebolle@tiscali.nl, peter@hurleysoftware.com, andy.shevchenko@gmail.com, cw00.choi@samsung.com, Russell King , Daniel Lezcano Subject: [PATCH v4 03/15] dt-bindings: Document the ARM System timer bindings Date: Tue, 31 Mar 2015 18:24:44 +0200 Message-Id: <1427819096-31109-4-git-send-email-mcoquelin.stm32@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1427819096-31109-1-git-send-email-mcoquelin.stm32@gmail.com> References: <1427819096-31109-1-git-send-email-mcoquelin.stm32@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150331_092713_666113_4A5253AC X-CRM114-Status: GOOD ( 10.30 ) X-Spam-Score: -0.6 (/) Cc: Mark Rutland , linux-doc@vger.kernel.org, Will Deacon , Nikolay Borisov , linux-api@vger.kernel.org, Jiri Slaby , linux-arch@vger.kernel.org, Jonathan Corbet , Mauro Carvalho Chehab , Antti Palosaari , linux-serial@vger.kernel.org, devicetree@vger.kernel.org, Kees Cook , Pawel Moll , Ian Campbell , Rusty Russell , Joe Perches , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Michal Marek , linux-gpio@vger.kernel.org, Greg Kroah-Hartman , linux-kernel@vger.kernel.org, mcoquelin.stm32@gmail.com, Kumar Gala , Tejun Heo , Andrew Morton , "David S. Miller" 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=-4.1 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, T_DKIM_INVALID, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 This adds documentation of device tree bindings for the ARM System timer. Tested-by: Chanwoo Choi Signed-off-by: Maxime Coquelin --- .../devicetree/bindings/arm/armv7m_systick.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/armv7m_systick.txt diff --git a/Documentation/devicetree/bindings/arm/armv7m_systick.txt b/Documentation/devicetree/bindings/arm/armv7m_systick.txt new file mode 100644 index 0000000..7cf4a24 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/armv7m_systick.txt @@ -0,0 +1,26 @@ +* ARMv7M System Timer + +ARMv7-M includes a system timer, known as SysTick. Current driver only +implements the clocksource feature. + +Required properties: +- compatible : Should be "arm,armv7m-systick" +- reg : The address range of the timer + +Required clocking property, have to be one of: +- clocks : The input clock of the timer +- clock-frequency : The rate in HZ in input of the ARM SysTick + +Examples: + +systick: timer@e000e010 { + compatible = "arm,armv7m-systick"; + reg = <0xe000e010 0x10>; + clocks = <&clk_systick>; +}; + +systick: timer@e000e010 { + compatible = "arm,armv7m-systick"; + reg = <0xe000e010 0x10>; + clock-frequency = <90000000>; +};