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Fri, 13 May 2016 07:03:42 +0000 Received: from unknown-38-66.xilinx.com ([149.199.38.66]:44683 helo=xsj-pvapsmtp01) by xsj-pvapsmtpgw02 with esmtp (Exim 4.63) (envelope-from ) id 1b178P-0007NG-Nv; Fri, 13 May 2016 00:03:41 -0700 Received: from [127.0.0.1] (helo=localhost) by xsj-pvapsmtp01 with smtp (Exim 4.63) (envelope-from ) id 1b178P-0006mv-J0; Fri, 13 May 2016 00:03:41 -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 u4D73avZ005599; Fri, 13 May 2016 00:03:36 -0700 Received: from [172.23.64.208] (helo=xhdrdevl6.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1b178J-0006kG-TM; Fri, 13 May 2016 00:03:36 -0700 Received: by xhdrdevl6.xilinx.com (Postfix, from userid 13614) id E69A4F2000C; Fri, 13 May 2016 12:33:34 +0530 (IST) From: Kedareswara rao Appana To: , , , , , , , , , , , , Subject: [PATCH v5 2/3] Documentation: DT: vdma: Add clock support for dmas Date: Fri, 13 May 2016 12:33:30 +0530 Message-ID: <1463123011-4911-3-git-send-email-appanad@xilinx.com> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1463123011-4911-1-git-send-email-appanad@xilinx.com> References: <1463123011-4911-1-git-send-email-appanad@xilinx.com> MIME-Version: 1.0 X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.0.0.1202-22318.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:149.199.60.100; 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X-Spam-Score: -1.9 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 This patch updates the binding doc with clock description for AXI DMA's. Acked-by: Rob Herring Acked-by: Sören Brinkmann Signed-off-by: Kedareswara rao Appana --- Changes for v5: ---> None. Changes for v4: ---> None. Changes for v3: ---> Added clock support for all the AXI DMA's. Changes for v2: --> Listed down all the clocks supported by the h/w as suggested by the Datta. --> Used IP clock names instead of shortcut clock name .../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 fcc2b65..a1f2683 100644 --- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt +++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt @@ -21,6 +21,18 @@ Required properties: - dma-channel child node: Should have at least one channel and can have up to two channels per device. This node specifies the properties of each DMA channel (see child node properties below). +- clocks: Input clock specifier. Refer to common clock bindings. +- clock-names: List of input clocks + For VDMA: + Required elements: "s_axi_lite_aclk" + Optional elements: "m_axi_mm2s_aclk" "m_axi_s2mm_aclk", + "m_axis_mm2s_aclk", "s_axis_s2mm_aclk" + For CDMA: + Required elements: "s_axi_lite_aclk", "m_axi_aclk" + FOR AXIDMA: + Required elements: "s_axi_lite_aclk" + Optional elements: "m_axi_mm2s_aclk", "m_axi_s2mm_aclk", + "m_axi_sg_aclk" Required properties for VDMA: - xlnx,num-fstores: Should be the number of framebuffers as configured in h/w. @@ -60,6 +72,9 @@ axi_vdma_0: axivdma@40030000 { xlnx,num-fstores = <0x8>; xlnx,flush-fsync = <0x1>; xlnx,addrwidth = <0x20>; + clocks = <&clk 0>, <&clk 1>, <&clk 2>, <&clk 3>, <&clk 4>; + clock-names = "s_axi_lite_aclk", "m_axi_mm2s_aclk", "m_axi_s2mm_aclk", + "m_axis_mm2s_aclk", "s_axis_s2mm_aclk"; dma-channel@40030000 { compatible = "xlnx,axi-vdma-mm2s-channel"; interrupts = < 0 54 4 >;