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: 2081971 Return-Path: X-Original-To: patchwork-davinci@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from bear.ext.ti.com (bear.ext.ti.com [192.94.94.41]) by patchwork2.kernel.org (Postfix) with ESMTP id 82BAFDFE75 for ; Fri, 1 Feb 2013 18:29:44 +0000 (UTC) Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id r11IQ0E2004287; Fri, 1 Feb 2013 12:26:00 -0600 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id r11IQ0dK018322; Fri, 1 Feb 2013 12:26:00 -0600 Received: from dlelxv24.itg.ti.com (172.17.1.199) by dfle72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.1.323.3; Fri, 1 Feb 2013 12:25:59 -0600 Received: from linux.omap.com (dlelxs01.itg.ti.com [157.170.227.31]) by dlelxv24.itg.ti.com (8.13.8/8.13.8) with ESMTP id r11IPxBK032105; Fri, 1 Feb 2013 12:25:59 -0600 Received: from linux.omap.com (localhost [127.0.0.1]) by linux.omap.com (Postfix) with ESMTP id C0D158062B; Fri, 1 Feb 2013 12:25:59 -0600 (CST) X-Original-To: davinci-linux-open-source@linux.davincidsp.com Delivered-To: davinci-linux-open-source@linux.davincidsp.com Received: from dflp52.itg.ti.com (dflp52.itg.ti.com [128.247.22.96]) by linux.omap.com (Postfix) with ESMTP id 6141080627 for ; Fri, 1 Feb 2013 12:22:42 -0600 (CST) Received: from white.ext.ti.com (white.ext.ti.com [192.94.93.38]) by dflp52.itg.ti.com (8.13.7/8.13.8) with ESMTP id r11IMgeQ007304 for ; Fri, 1 Feb 2013 12:22:42 -0600 (CST) Received: from mail6.bemta12.messagelabs.com (mail6.bemta12.messagelabs.com [216.82.250.247]) by white.ext.ti.com (8.13.7/8.13.7) with ESMTP id r11IMf98010006 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 1 Feb 2013 12:22:42 -0600 Received: from [216.82.250.99:10729] by server-13.bemta-12.messagelabs.com id 0F/D1-08829-1F70C015; Fri, 01 Feb 2013 18:22:41 +0000 X-Env-Sender: ohiomdp@gmail.com X-Msg-Ref: server-16.tower-126.messagelabs.com!1359742957!11734535!1 X-Originating-IP: [209.85.210.170] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.7; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11715 invoked from network); 1 Feb 2013 18:22:39 -0000 Received: from mail-ia0-f170.google.com (HELO mail-ia0-f170.google.com) (209.85.210.170) by server-16.tower-126.messagelabs.com with RC4-SHA encrypted SMTP; 1 Feb 2013 18:22:39 -0000 Received: by mail-ia0-f170.google.com with SMTP id k20so5753753iak.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> 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: davinci-linux-open-source@linux.davincidsp.com X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: Errors-To: davinci-linux-open-source-bounces@linux.davincidsp.com 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"; +};