From patchwork Thu Mar 13 01:47:57 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: yao yuan X-Patchwork-Id: 3821621 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 F014FBF540 for ; Thu, 13 Mar 2014 02:31:28 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 33105201F0 for ; Thu, 13 Mar 2014 02:31:28 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (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 42A9F201FD for ; Thu, 13 Mar 2014 02:31:27 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WNvQA-0002IU-SX; Thu, 13 Mar 2014 02:30:59 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WNvQ3-0002SA-W6; Thu, 13 Mar 2014 02:30:52 +0000 Received: from co9ehsobe005.messaging.microsoft.com ([207.46.163.28] helo=co9outboundpool.messaging.microsoft.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WNvPt-0002QJ-QA for linux-arm-kernel@lists.infradead.org; Thu, 13 Mar 2014 02:30:42 +0000 Received: from mail98-co9-R.bigfish.com (10.236.132.246) by CO9EHSOBE029.bigfish.com (10.236.130.92) with Microsoft SMTP Server id 14.1.225.22; Thu, 13 Mar 2014 02:30:20 +0000 Received: from mail98-co9 (localhost [127.0.0.1]) by mail98-co9-R.bigfish.com (Postfix) with ESMTP id E35C54016D; Thu, 13 Mar 2014 02:30:19 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 0 X-BigFish: VS0(zzzz1f42h2148h208ch1ee6h1de0h1fdah2073h2146h1202h1e76h2189h1d1ah1d2ah21bch1fc6hzz1de098h8275bh1de097hz2dh2a8h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh2222h224fh1fb3h1d0ch1d2eh1d3fh1dfeh1dffh1e23h1fe8h1ff5h2218h2216h226dh22d0h24afh2327h2336h2438h2461h2487h24d7h2516h2545h255eh25cch25f6h2605h1155h) Received: from mail98-co9 (localhost.localdomain [127.0.0.1]) by mail98-co9 (MessageSwitch) id 1394677818181636_22928; Thu, 13 Mar 2014 02:30:18 +0000 (UTC) Received: from CO9EHSMHS025.bigfish.com (unknown [10.236.132.226]) by mail98-co9.bigfish.com (Postfix) with ESMTP id 278FA900062; Thu, 13 Mar 2014 02:30:18 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by CO9EHSMHS025.bigfish.com (10.236.130.35) with Microsoft SMTP Server (TLS) id 14.16.227.3; Thu, 13 Mar 2014 02:30:17 +0000 Received: from az84smr01.freescale.net (10.64.34.197) by 039-SN1MMR1-001.039d.mgd.msft.net (10.84.1.13) with Microsoft SMTP Server (TLS) id 14.3.158.2; Thu, 13 Mar 2014 02:30:16 +0000 Received: from rock.am.freescale.net (rock.ap.freescale.net [10.193.20.106]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id s2D2U3vO030577; Wed, 12 Mar 2014 19:30:14 -0700 From: Yuan Yao To: , Subject: [PATCH v3 2/2] Documentation:add DMA support for freescale i2c driver Date: Thu, 13 Mar 2014 09:47:57 +0800 Message-ID: <1394675277-24913-3-git-send-email-yao.yuan@freescale.com> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1394675277-24913-1-git-send-email-yao.yuan@freescale.com> References: <1394675277-24913-1-git-send-email-yao.yuan@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140312_223042_047618_95CFA3B6 X-CRM114-Status: UNSURE ( 9.63 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -4.2 (----) Cc: mark.rutland@arm.com, shawn.guo@linaro.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add i2c dts node properties for eDMA support, them depend on the eDMA driver. Signed-off-by: Yuan Yao --- Documentation/devicetree/bindings/i2c/i2c-imx.txt | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx.txt b/Documentation/devicetree/bindings/i2c/i2c-imx.txt index 4a8513e..52d37fd 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-imx.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-imx.txt @@ -11,6 +11,8 @@ Required properties: Optional properties: - clock-frequency : Constains desired I2C/HS-I2C bus clock frequency in Hz. The absence of the propoerty indicates the default frequency 100 kHz. +- dmas: A list of two dma specifiers, one for each entry in dma-names. +- dma-names: should contain "tx" and "rx". Examples: @@ -26,3 +28,12 @@ i2c@70038000 { /* HS-I2C on i.MX51 */ interrupts = <64>; clock-frequency = <400000>; }; + +i2c0: i2c@40066000 { /* i2c0 on vf610 */ + compatible = "fsl,vf610-i2c"; + reg = <0x40066000 0x1000>; + interrupts =<0 71 0x04>; + dmas = <&edma0 0 50>, + <&edma0 0 51>; + dma-names = "rx","tx"; +};