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Tue, 15 Mar 2016 10:24:06 -0700 Received: from [127.0.0.1] (helo=localhost) by xsj-pvapsmtp01 with smtp (Exim 4.63) (envelope-from ) id 1afshS-0004bo-6d; Tue, 15 Mar 2016 10:24:06 -0700 Received: from xsj-pvapsmtp01 (smtp.xilinx.com [149.199.38.66]) by xsj-smtp-dlp2.xlnx.xilinx.com (8.13.8/8.13.1) with ESMTP id u2FHO4Lp017366; Tue, 15 Mar 2016 10:24:05 -0700 Received: from [172.23.64.207] (helo=xhd-lin64re117.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1afshQ-0004b9-I0; Tue, 15 Mar 2016 10:24:04 -0700 Received: by xhd-lin64re117.xilinx.com (Postfix, from userid 13614) id BDA34208FB; Tue, 15 Mar 2016 22:54:03 +0530 (IST) From: Kedareswara rao Appana To: , , , , , , , , CC: , , Subject: [PATCH 7/7] dmaengine: xilinx_vdma: Add Support for Xilinx AXI Central Direct Memory Access Engine Date: Tue, 15 Mar 2016 22:53:12 +0530 Message-ID: <1458062592-27981-8-git-send-email-appanad@xilinx.com> X-Mailer: git-send-email 2.1.2 In-Reply-To: <1458062592-27981-1-git-send-email-appanad@xilinx.com> References: <1458062592-27981-1-git-send-email-appanad@xilinx.com> X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.0.0.1202-22194.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:149.199.60.100; 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Signed-off-by: Kedareswara rao Appana --- .../devicetree/bindings/dma/xilinx/xilinx_vdma.txt | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt index 3d134a5..f288175 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" + 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. @@ -76,6 +80,17 @@ axi_dma_0: axidma@40400000 { } ; } ; +axi_cdma_0: axicdma@7e200000 { + compatible = "xlnx,axi-cdma-1.00.a"; + #dma-cells = <1>; + reg = < 0x7e200000 0x10000 >; + dma-channel@7e200000 { + compatible = "xlnx,axi-vdma-mm2s-channel"; + interrupts = < 0 55 4 >; + xlnx,datawidth = <0x40>; + } ; +} ; + * DMA client Required properties: