From patchwork Wed Jan 30 07:00:28 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Porter X-Patchwork-Id: 2066111 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id B8CD6DF264 for ; Wed, 30 Jan 2013 07:07:51 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1U0Rjo-0000gl-BM; Wed, 30 Jan 2013 07:05:40 +0000 Received: from ia-in-x0231.1e100.net ([2607:f8b0:4001:c02::231] helo=mail-ia0-x231.google.com) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1U0Rji-0000f1-Cr for linux-arm-kernel@lists.infradead.org; Wed, 30 Jan 2013 07:05:35 +0000 Received: by mail-ia0-f177.google.com with SMTP id h8so1855155iaa.22 for ; Tue, 29 Jan 2013 23:05:34 -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=bsPlNY0P11DyufrZyr07IPqBlchmEEbLhHjAWX14luo=; b=mSSeCs9FYSeeUPokYGydgHU/zcn1dcTEo/q/4Nr0wob9J5EQVmXhWWYyxVTbtrhbJG YLwBOIvMlynyYfXByFt92JzosBi6eqC6ZEpotiQAs84w1SJ1oElF3JKDTrigNbpYOp+f Qgr44LFNYRWHTGsbVm2dB+SAMPU+Ls6slWJELxXIazC88Q6gINSN1aS0nDpNzNPLPR0c OwmisURHFaLiyjnZjYGNqQbilzHhKBMB+cq5YPxb10OjyYqCp5gH/RiFVS/+HlYKYGd+ pKTmQvhBTooFEK+qXHUaDhanEueacCl/EvjaT1wm2FoJ5eFK8iKoB8epGL7JKvsI5l5d tgXw== X-Received: by 10.43.134.65 with SMTP id ib1mr2441122icc.12.1359529224964; Tue, 29 Jan 2013 23:00:24 -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 nj1sm762015igc.3.2013.01.29.23.00.23 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 29 Jan 2013 23:00:24 -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 v6 09/10] spi: omap2-mcspi: add generic DMA request support to the DT binding Date: Wed, 30 Jan 2013 02:00:28 -0500 Message-Id: <1359529229-22207-10-git-send-email-mporter@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1359529229-22207-1-git-send-email-mporter@ti.com> References: <1359529229-22207-1-git-send-email-mporter@ti.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130130_020534_741055_9C494CA2 X-CRM114-Status: GOOD ( 13.20 ) X-Spam-Score: 1.1 (+) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (1.1 points) pts rule name description ---- ---------------------- -------------------------------------------------- 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 --- Documentation/devicetree/bindings/spi/omap-spi.txt | 27 +++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/spi/omap-spi.txt b/Documentation/devicetree/bindings/spi/omap-spi.txt index 938809c..68cb28e 100644 --- a/Documentation/devicetree/bindings/spi/omap-spi.txt +++ b/Documentation/devicetree/bindings/spi/omap-spi.txt @@ -10,7 +10,18 @@ Required properties: input. The default is D0 as input and D1 as output. -Example: +Optional properties: +- dmas: List of DMA controller phandle and DMA request ordered + pairs. One tx and one rx pair is required for each chip + select. +- dma-names: List of DMA request names. These strings correspond + 1:1 with the ordered pairs in dmas. The string naming is + to be "rxN" and "txN" for RX and TX requests, + respectively, where N equals the chip select number. + +Examples: + +[hwmod populated DMA resources] mcspi1: mcspi@1 { #address-cells = <1>; @@ -20,3 +31,17 @@ mcspi1: mcspi@1 { ti,spi-num-cs = <4>; }; +[generic DMA request binding] + +mcspi1: mcspi@1 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "ti,omap4-mcspi"; + ti,hwmods = "mcspi1"; + ti,spi-num-cs = <2>; + dmas = <&edma 42 + &edma 43 + &edma 44 + &edma 45>; + dma-names = "tx0", "rx0", "tx1", "rx1"; +};