From patchwork Wed Nov 5 16:01:18 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris BREZILLON X-Patchwork-Id: 5235421 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 [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 346EFC11AC for ; Wed, 5 Nov 2014 16:04:58 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6629D2015E for ; Wed, 5 Nov 2014 16:04:57 +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 8568C20117 for ; Wed, 5 Nov 2014 16:04:56 +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 1Xm32g-0002L7-Q8; Wed, 05 Nov 2014 16:02:42 +0000 Received: from merlin.infradead.org ([2001:4978:20e::2]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Xm32H-00028K-Il for linux-arm-kernel@bombadil.infradead.org; Wed, 05 Nov 2014 16:02:17 +0000 Received: from down.free-electrons.com ([37.187.137.238] helo=mail.free-electrons.com) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Xm32F-0002mA-7o for linux-arm-kernel@lists.infradead.org; Wed, 05 Nov 2014 16:02:15 +0000 Received: by mail.free-electrons.com (Postfix, from userid 106) id 04B1841C; Wed, 5 Nov 2014 17:01:32 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from localhost.localdomain (col31-4-88-188-83-94.fbx.proxad.net [88.188.83.94]) by mail.free-electrons.com (Postfix) with ESMTPSA id 2B7A14B7; Wed, 5 Nov 2014 17:01:32 +0100 (CET) From: Boris Brezillon To: Samuel Ortiz , Lee Jones , Nicolas Ferre , Jean-Christophe Plagniol-Villard , Alexandre Belloni , Andrew Victor , Jean-Jacques Hiblot Subject: [PATCH v2 02/11] mfd: syscon: Add Atmel Matrix bus DT binding documentation Date: Wed, 5 Nov 2014 17:01:18 +0100 Message-Id: <1415203287-21517-3-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1415203287-21517-1-git-send-email-boris.brezillon@free-electrons.com> References: <1415203287-21517-1-git-send-email-boris.brezillon@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141105_110215_380709_54F62BF2 X-CRM114-Status: GOOD ( 10.24 ) X-Spam-Score: -1.8 (-) Cc: Mark Rutland , devicetree@vger.kernel.org, Pawel Moll , Ian Campbell , Boris Brezillon , linux-kernel@vger.kernel.org, Rob Herring , Kumar Gala , linux-arm-kernel@lists.infradead.org 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-Virus-Scanned: ClamAV using ClamSMTP The Matrix registers are provided to configure internal bus behavior on at91 SoCs. Some registers might be access by several drivers (e.g. to configure external memory bus timings), hence we declare this register set as a syscon device. Signed-off-by: Boris Brezillon Acked-by: Lee Jones --- .../devicetree/bindings/mfd/atmel-matrix.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/atmel-matrix.txt diff --git a/Documentation/devicetree/bindings/mfd/atmel-matrix.txt b/Documentation/devicetree/bindings/mfd/atmel-matrix.txt new file mode 100644 index 0000000..405cac9 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/atmel-matrix.txt @@ -0,0 +1,24 @@ +* Device tree bindings for Atmel Bus Matrix + +The Bus Matrix registers are used to configure Atmel SoCs internal bus +behavior (master/slave priorities, undefined burst length type, ...) + +Required properties: +- compatible: should be one of the following + "atmel,at91sam9260-matrix", "syscon" + "atmel,at91sam9261-matrix", "syscon" + "atmel,at91sam9263-matrix", "syscon" + "atmel,at91sam9263-matrix", "syscon" + "atmel,at91sam9g45-matrix", "syscon" + "atmel,at91sam9n12-matrix", "syscon" + "atmel,at91sam9x5-matrix", "syscon" + "atmel,sama5d3-matrix", "syscon" +- reg: contains offset/length value of the Bus Matrix + memory region. + +Example: + +matrix: matrix@ffffec00 { + compatible = "atmel,sama5d3-matrix", "syscon"; + reg = <0xffffec00 0x200>; +};