From patchwork Tue Jan 14 00:19:19 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suman Anna X-Patchwork-Id: 3481391 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 952A29F381 for ; Tue, 14 Jan 2014 00:21:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CB51320172 for ; Tue, 14 Jan 2014 00:21:21 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (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 BBCA220166 for ; Tue, 14 Jan 2014 00:21:20 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1W2rk9-0003EV-SQ; Tue, 14 Jan 2014 00:20:34 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W2rjz-0001cr-RE; Tue, 14 Jan 2014 00:20:23 +0000 Received: from comal.ext.ti.com ([198.47.26.152]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1W2rjn-0001Zy-Js for linux-arm-kernel@lists.infradead.org; Tue, 14 Jan 2014 00:20:13 +0000 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id s0E0JgrG003114; Mon, 13 Jan 2014 18:19:42 -0600 Received: from DLEE70.ent.ti.com (dlemailx.itg.ti.com [157.170.170.113]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id s0E0JgYW007313; Mon, 13 Jan 2014 18:19:42 -0600 Received: from dlep33.itg.ti.com (157.170.170.75) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.2.342.3; Mon, 13 Jan 2014 18:19:41 -0600 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id s0E0JfRd026091; Mon, 13 Jan 2014 18:19:41 -0600 Received: from localhost (irmo.am.dhcp.ti.com [128.247.71.175]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id s0E0Jft12699; Mon, 13 Jan 2014 18:19:41 -0600 (CST) From: Suman Anna To: Ohad Ben-Cohen , Mark Rutland Subject: [PATCHv4 2/7] Documentation: dt: add the omap hwspinlock bindings document Date: Mon, 13 Jan 2014 18:19:19 -0600 Message-ID: <1389658764-39199-3-git-send-email-s-anna@ti.com> X-Mailer: git-send-email 1.8.4.3 In-Reply-To: <1389658764-39199-1-git-send-email-s-anna@ti.com> References: <1389658764-39199-1-git-send-email-s-anna@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140113_192011_792502_48C12EE5 X-CRM114-Status: UNSURE ( 7.73 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -7.0 (-------) Cc: devicetree@vger.kernel.org, Suman Anna , Tony Lindgren , linux-kernel@vger.kernel.org, Rob Herring , Kumar Gala , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 HwSpinlock IP is present only on OMAP4 and other newer SoCs, which are all device-tree boot only. This patch adds the DT bindings information for OMAP hwspinlock module. Cc: Rob Herring Signed-off-by: Suman Anna --- .../devicetree/bindings/hwlock/omap-hwspinlock.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwlock/omap-hwspinlock.txt diff --git a/Documentation/devicetree/bindings/hwlock/omap-hwspinlock.txt b/Documentation/devicetree/bindings/hwlock/omap-hwspinlock.txt new file mode 100644 index 0000000..568eae2 --- /dev/null +++ b/Documentation/devicetree/bindings/hwlock/omap-hwspinlock.txt @@ -0,0 +1,24 @@ +OMAP4+ HwSpinlock Driver +======================== + +Required properties: +- compatible: Should be "ti,omap4-hwspinlock" for + OMAP44xx, OMAP54xx, AM33xx, AM43xx, DRA7xx SoCs +- reg: Contains the hwspinlock module register address space + (base address and length) +- ti,hwmods: Name of the hwmod associated with the hwspinlock device +- #hwlock-cells: Should be 1. The OMAP hwspinlock users will use a + 0-indexed relative hwlock number as the argument + specifier value for requesting a specific hwspinlock + within a hwspinlock bank. + + +Example: + +/* OMAP4 */ +hwspinlock: spinlock@4a0f6000 { + compatible = "ti,omap4-hwspinlock"; + reg = <0x4a0f6000 0x1000>; + ti,hwmods = "spinlock"; + #hwlock-cells = <1>; +};