From patchwork Fri Jan 11 05:48:46 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Porter X-Patchwork-Id: 1964341 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id 6CC753FF0F for ; Fri, 11 Jan 2013 05:52:06 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TtXT4-0005Fy-3e; Fri, 11 Jan 2013 05:47:50 +0000 Received: from mail-qa0-f47.google.com ([209.85.216.47]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TtXQ5-0003sk-Ev for linux-arm-kernel@lists.infradead.org; Fri, 11 Jan 2013 05:44:46 +0000 Received: by mail-qa0-f47.google.com with SMTP id a19so2309870qad.6 for ; Thu, 10 Jan 2013 21:44:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:sender:from:to:cc:subject:date:message-id:x-mailer :in-reply-to:references; bh=F2s7VmebC8wJJEHhhyr0jHfJcHzkzXgzPz5QW1FsZ9E=; b=WAnzBzYcMJyzPAKvYrfJMteHpWIRp1tNdV+1EicQKjiyISNDISm7R6UHZoP8LenMmr 2vWAkibVI+Wt7ZVP/ThJUIQAgjW02H+xYN9vr7g3699WsWv5aKoeEkaHX5eU4IQzEn+j /1zosDqWTUu/FRVvOJQqFxfUmxYWo0xvb/LbpxcTZB+V5I4pXMjfHHOuxSHdIdgLAek6 xuELZKTZsfL9pJa00n5cXxSLHnESK/9l25uWXeFtnt+AUSzvZEn6xzIArG5txOZLuPhr jM7tTVLo6yeefbGsqrYg3kdBKDuobvKZLuqM0/n/zx2xEd9ZJbVuIHQyTVOXnovNtZzy +r2A== X-Received: by 10.224.177.204 with SMTP id bj12mr46957031qab.12.1357883084006; Thu, 10 Jan 2013 21:44:44 -0800 (PST) Received: from beef.ohporter.com (cpe-24-166-64-7.neo.res.rr.com. [24.166.64.7]) by mx.google.com with ESMTPS id ds8sm1897114qab.18.2013.01.10.21.44.41 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 10 Jan 2013 21:44:43 -0800 (PST) From: Matt Porter To: Tony Lindgren , Sekhar Nori , Grant Likely , Mark Brown , Benoit Cousson , Russell King , Vinod Koul , Rob Landley , Chris Ball Subject: [PATCH v4 10/14] mmc: omap_hsmmc: add generic DMA request support to the DT binding Date: Fri, 11 Jan 2013 00:48:46 -0500 Message-Id: <1357883330-5364-11-git-send-email-mporter@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1357883330-5364-1-git-send-email-mporter@ti.com> References: <1357883330-5364-1-git-send-email-mporter@ti.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130111_004445_617541_65B035A7 X-CRM114-Status: GOOD ( 11.09 ) X-Spam-Score: 0.4 (/) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (0.4 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [209.85.216.47 listed in list.dnswl.org] 3.0 KHOP_BIG_TO_CC Sent to 10+ recipients instaed of Bcc or a list 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (ohiomdp[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature Cc: Linux DaVinci Kernel List , Arnd Bergmann , Linux Documentation List , Devicetree Discuss , Linux MMC List , Linux Kernel Mailing List , Rob Herring , Dan Williams , Linux SPI Devel List , Linux OMAP List , Linux ARM Kernel List X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The binding definition is based on the generic DMA request binding. Signed-off-by: Matt Porter Acked-by: Tony Lindgren --- .../devicetree/bindings/mmc/ti-omap-hsmmc.txt | 25 +++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt index ed271fc..826cc51 100644 --- a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt +++ b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt @@ -20,8 +20,28 @@ ti,dual-volt: boolean, supports dual voltage cards ti,non-removable: non-removable slot (like eMMC) ti,needs-special-reset: Requires a special softreset sequence ti,needs-special-hs-handling: HSMMC IP needs special setting for handling High Speed +dmas: DMA controller phandle and DMA request value ordered pair +One tx and one rx pair is required. +dma-names: DMA request names. These strings correspond 1:1 with +the ordered pairs in dmas. The RX request must be "rx" and the +TX request must be "tx". + +Examples: + +[hwmod populated DMA resources] + + mmc1: mmc@0x4809c000 { + compatible = "ti,omap4-hsmmc"; + reg = <0x4809c000 0x400>; + ti,hwmods = "mmc1"; + ti,dual-volt; + bus-width = <4>; + vmmc-supply = <&vmmc>; /* phandle to regulator node */ + ti,non-removable; + }; + +[generic DMA request binding] -Example: mmc1: mmc@0x4809c000 { compatible = "ti,omap4-hsmmc"; reg = <0x4809c000 0x400>; @@ -30,4 +50,7 @@ Example: bus-width = <4>; vmmc-supply = <&vmmc>; /* phandle to regulator node */ ti,non-removable; + dmas = <&edma 24 + &edma 25>; + dma-names = "tx", "rx"; };