From patchwork Fri Feb 1 18:22:54 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Porter X-Patchwork-Id: 2081871 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 33CAADFE75 for ; Fri, 1 Feb 2013 18:26:06 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1U1LGt-0005Xa-5Z; Fri, 01 Feb 2013 18:23:31 +0000 Received: from ie-in-x022a.1e100.net ([2607:f8b0:4001:c03::22a] helo=mail-ie0-x22a.google.com) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1U1LG3-0005AH-Bu for linux-arm-kernel@lists.infradead.org; Fri, 01 Feb 2013 18:22:40 +0000 Received: by mail-ie0-f170.google.com with SMTP id c11so3757823ieb.1 for ; Fri, 01 Feb 2013 10:22:37 -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=zhrulqBOTrOYjfV1QuhQ6sK2kKp0SUa4uwjEt4y1aiE=; b=Gs8AFm2l7ueRQkDbaTv2srBjGVJxiqRqkJ7j+s92PUxo/lpoWUlu5KJH8awGscIOPi sLhHQE6Qv+4PJDbNydeDjvikrzQIqhcq3FYF5G4DSVfpZsfRjSvA5Z5A/t3FjEsNCUOy 34jh41X45a3lOzr9tFXqYCTpAgrylAeZVkewWifQ4rRuHEiJrPqcOkujGsdeNSc0hJYA SGtebjYIixM0IrhQPXx12AT/qsnGVq/gEAxApqmjzZ54PI5j+K9sLgpPEZvhjQUPQO9h H1yTEZ75mtMDmlKWMfOosLS1peui5fUpLxt8/Q4BN7Z8a+PSmjINvMUS3Xo+w4EfgBg4 wt4Q== X-Received: by 10.50.197.161 with SMTP id iv1mr1953072igc.53.1359742957306; Fri, 01 Feb 2013 10:22:37 -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 b13sm3496854igp.7.2013.02.01.10.22.35 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 01 Feb 2013 10:22:36 -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 v7 09/10] spi: omap2-mcspi: add generic DMA request support to the DT binding Date: Fri, 1 Feb 2013 13:22:54 -0500 Message-Id: <1359742975-10421-10-git-send-email-mporter@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1359742975-10421-1-git-send-email-mporter@ti.com> References: <1359742975-10421-1-git-send-email-mporter@ti.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130201_132239_457202_273DBFB6 X-CRM114-Status: GOOD ( 13.70 ) 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..4c85c4c 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 specifiers with the controller specific format + as described in the generic DMA client binding. A tx and rx + specifier is required for each chip select. +- dma-names: List of DMA request names. These strings correspond + 1:1 with the DMA specifiers listed 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"; +};