Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753406AbcC0SGW (ORCPT ); Sun, 27 Mar 2016 14:06:22 -0400 Received: from mail-sn1nam02on0052.outbound.protection.outlook.com ([104.47.36.52]:60672 "EHLO NAM02-SN1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752665AbcC0SGU (ORCPT ); Sun, 27 Mar 2016 14:06:20 -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: [PATCH v2 5/6] Documentation: DT: vdma: update binding doc for AXI CDMA Date: Sun, 27 Mar 2016 23:36:06 +0530 Message-ID: <1459101966-9932-2-git-send-email-appanad@xilinx.com> X-Mailer: git-send-email 2.1.2 In-Reply-To: <1459101966-9932-1-git-send-email-appanad@xilinx.com> References: <1459101966-9932-1-git-send-email-appanad@xilinx.com> X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.0.0.1202-22222.005 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)(42186005)(4326007)(15650500001)(575784001)(92566002)(6806005)(2201001)(4001450100002)(63266004)(50986999)(586003)(2950100001)(1220700001)(36756003)(1096002)(2906002)(81166005)(50226001)(50466002)(90966002)(33646002)(229853001)(87936001)(5001770100001)(46386002)(52956003)(189998001)(45336002)(103686003)(19580405001)(19580395003)(48376002)(5008740100001)(76176999)(11100500001)(5003940100001)(86362001)(106466001)(47776003)(107986001)(921003)(2101003)(83996005)(1121003);DIR:OUT;SFP:1101;SCL:1;SRVR:SN1NAM02HT087;H:xsj-pvapsmtpgw01;FPR:;SPF:Pass;MLV:sfv;MX:1;A:1;LANG:en; MIME-Version: 1.0 Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: e791c8fe-a56c-40f2-6ed5-08d3566a7e8e X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:(8251501002);SRVR:SN1NAM02HT087; X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0;PCL:0;RULEID:(601004)(2401047)(13018025)(13024025)(13023025)(13017025)(13015025)(8121501046)(5005006)(10201501046)(3002001);SRVR:SN1NAM02HT087;BCL:0;PCL:0;RULEID:;SRVR:SN1NAM02HT087; X-Forefront-PRVS: 089473E5FE X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Mar 2016 18:06:17.4001 (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: SN1NAM02HT087 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1894 Lines: 50 This patch updates the device-tree binding doc for adding support for AXI CDMA. Signed-off-by: Kedareswara rao Appana --- ---> 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