From patchwork Tue Apr 7 16:30:22 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 458711 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 6CCD31402C2 for ; Wed, 8 Apr 2015 02:31:39 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="verification failed; unprotected key" header.d=gmail.com header.i=@gmail.com header.b=SivthnsH; dkim-adsp=none (unprotected policy); dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753189AbbDGQbg (ORCPT ); Tue, 7 Apr 2015 12:31:36 -0400 Received: from mail-wg0-f42.google.com ([74.125.82.42]:35421 "EHLO mail-wg0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753139AbbDGQb0 (ORCPT ); Tue, 7 Apr 2015 12:31:26 -0400 Received: by wgyo15 with SMTP id o15so51019410wgy.2; Tue, 07 Apr 2015 09:31:24 -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=d5gUkIGu8kcQBfSWMBNlktojVCnUGhbOAhHoyZABDkg=; b=SivthnsHAgN9akRrHVQW77ERA4BwH78NE1p04l2AeaGoqff17zWUgA/E3t9xOq1ixq adePVrsqDEBqjAWpv1Hjc7Qblgka3Xjts4omJmKtHfWBblTKLqFwH6B3KSIm93hpXM7q im50nNz6c3WcrsM2ejip675h0mkaYMZSyguSNL0KZhnW1iw4AZlNaSqDb1F+FtuxKd/p TJ4JIVJncfwEd9UXSX5WOkABsN8ApoehoigarIpmdqb7Sg7z3CX/YWIYCYgtgfZKduWM EY2VznAP4QYWSj46IKmPcnMdWPoz1H+Lpdfl4LoZeESnfQ8woyISU+MK5edORQyR618K 1NaQ== X-Received: by 10.194.120.132 with SMTP id lc4mr42276896wjb.92.1428424284407; Tue, 07 Apr 2015 09:31:24 -0700 (PDT) Received: from lmecul0520.st.com. (58.26.90.92.rev.sfr.net. [92.90.26.58]) by mx.google.com with ESMTPSA id gt4sm11681251wib.21.2015.04.07.09.31.21 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 07 Apr 2015 09:31:23 -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 , joe@perches.com 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 , 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 v6 03/15] dt-bindings: Document the ARM System timer bindings Date: Tue, 7 Apr 2015 18:30:22 +0200 Message-Id: <1428424234-28572-4-git-send-email-mcoquelin.stm32@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1428424234-28572-1-git-send-email-mcoquelin.stm32@gmail.com> References: <1428424234-28572-1-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 Acked-by: Rob Herring 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>; +};