Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760899AbcDFFPZ (ORCPT ); Wed, 6 Apr 2016 01:15:25 -0400 Received: from mail-cys01nam02on0043.outbound.protection.outlook.com ([104.47.37.43]:60737 "EHLO NAM02-CY1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751541AbcDFFPS (ORCPT ); Wed, 6 Apr 2016 01:15:18 -0400 Authentication-Results: spf=pass (sender IP is 149.199.60.83) smtp.mailfrom=xilinx.com; vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=bestguesspass action=none header.from=xilinx.com; From: Kedareswara rao Appana To: , , , , , , , , , , , , , , CC: , , , Subject: [RESEND PATCH v2 5/6] Documentation: DT: vdma: update binding doc for AXI CDMA Date: Wed, 6 Apr 2016 10:44:59 +0530 Message-ID: <1459919700-6692-6-git-send-email-appanad@xilinx.com> X-Mailer: git-send-email 2.1.2 In-Reply-To: <1459919700-6692-1-git-send-email-appanad@xilinx.com> References: <1459919700-6692-1-git-send-email-appanad@xilinx.com> X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.0.0.1202-22240.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:149.199.60.83;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(6009001)(2980300002)(438002)(189002)(199003)(86362001)(50466002)(42186005)(11100500001)(4001450100002)(63266004)(36386004)(229853001)(81166005)(46386002)(92566002)(5001770100001)(76176999)(50986999)(189998001)(47776003)(575784001)(36756003)(45336002)(103686003)(5003940100001)(48376002)(19580395003)(6806005)(1220700001)(52956003)(2950100001)(87936001)(1096002)(5008740100001)(4326007)(15650500001)(2201001)(33646002)(19580405001)(586003)(106466001)(2906002)(50226001)(90966002)(107986001)(921003)(2101003)(217873001)(83996005)(1121003);DIR:OUT;SFP:1101;SCL:1;SRVR:BL2NAM02HT032;H:xsj-pvapsmtpgw01;FPR:;SPF:Pass;MLV:nov;MX:1;A:1;PTR:unknown-60-83.xilinx.com;LANG:en; MIME-Version: 1.0 Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: abb376e7-c9c0-4a7c-67cc-08d35dda6f5b X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:(8251501002);SRVR:BL2NAM02HT032; X-Microsoft-Antispam-PRVS: <03c8756d0da346629bf17e1dff04ae00@BL2NAM02HT032.eop-nam02.prod.protection.outlook.com> X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0;PCL:0;RULEID:(601004)(2401047)(5005006)(13024025)(13017025)(13015025)(13018025)(8121501046)(13023025)(10201501046)(3002001);SRVR:BL2NAM02HT032;BCL:0;PCL:0;RULEID:;SRVR:BL2NAM02HT032; X-Forefront-PRVS: 0904004ECB X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Apr 2016 05:15:14.0011 (UTC) X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.60.83];Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL2NAM02HT032 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1910 Lines: 51 This patch updates the device-tree binding doc for adding support for AXI CDMA. Signed-off-by: Kedareswara rao Appana --- Changes for v2: ---> Modified commit message as suggested by Vinod. ---> Moved the patch to forward in the series as suggested by vinod. .../devicetree/bindings/dma/xilinx/xilinx_vdma.txt | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt index 5841421..2b0c12b 100644 --- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt +++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt @@ -8,8 +8,12 @@ target devices. It can be configured to have one channel or two channels. If configured as two channels, one is to transmit to the device and another is to receive from the device. +Xilinx AXI CDMA engine, it does transfers between memory-mapped source +address and a memory-mapped destination address. + Required properties: -- compatible: Should be "xlnx,axi-vdma-1.00.a" or "xlnx,axi-dma-1.00.a" +- compatible: Should be "xlnx,axi-vdma-1.00.a" or "xlnx,axi-dma-1.00.a" or + "xlnx,axi-cdma-1.00.a"" - #dma-cells: Should be <1>, see "dmas" property below - reg: Should contain VDMA registers location and length. - xlnx,num-fstores: Should be the number of framebuffers as configured in h/w. @@ -80,6 +84,18 @@ axi_dma_0: axidma@40400000 { } ; } ; +axi_cdma_0: axicdma@7e200000 { + compatible = "xlnx,axi-cdma-1.00.a"; + #dma-cells = <1>; + reg = < 0x7e200000 0x10000 >; + xlnx,addrwidth = <0x20>; + dma-channel@7e200000 { + compatible = "xlnx,axi-dma-mm2s-channel"; + interrupts = < 0 55 4 >; + xlnx,datawidth = <0x40>; + } ; +} ; + * DMA client Required properties: -- 2.1.2