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: 456691 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 70614140079 for ; Wed, 1 Apr 2015 03:32:47 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="verification failed; unprotected key" header.d=gmail.com header.i=@gmail.com header.b=TSwJDcS8; dkim-adsp=none (unprotected policy); dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753549AbbCaQcF (ORCPT ); Tue, 31 Mar 2015 12:32:05 -0400 Received: from mail-wg0-f52.google.com ([74.125.82.52]:33718 "EHLO mail-wg0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753892AbbCaQ0t (ORCPT ); Tue, 31 Mar 2015 12:26:49 -0400 Received: by wgoe14 with SMTP id e14so25120859wgo.0; 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 Cc: Jonathan Corbet , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Thomas Gleixner , Greg Kroah-Hartman , Jiri Slaby , Andrew Morton , "David S. Miller" , Mauro Carvalho Chehab , Joe Perches , Antti Palosaari , Tejun Heo , Will Deacon , Nikolay Borisov , Rusty Russell , Kees Cook , Michal Marek , linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, linux-serial@vger.kernel.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, mcoquelin.stm32@gmail.com 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> Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org 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>; +};