From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kedareswara rao Appana Subject: [PATCH v2 1/2] Documentation: DT: vdma: Add clock support for vdma Date: Wed, 20 Apr 2016 17:13:18 +0530 Message-ID: <1461152599-28858-1-git-send-email-appanad@xilinx.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org To: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, michal.simek@xilinx.com, soren.brinkmann@xilinx.com, vinod.koul@intel.com, dan.j.williams@intel.com, appanad@xilinx.com, moritz.fischer@ettus.com, laurent.pinchart@ideasonboard.com, luis@debethencourt.com, anirudh@xilinx.com, punnaia@xilinx.com, shubhraj@xilinx.com Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org List-Id: devicetree@vger.kernel.org This patch updates the binding doc with clock description for vdma. Signed-off-by: Kedareswara rao Appana --- 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 names. Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt index fcc2b65..afe9eb7 100644 --- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt +++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt @@ -21,6 +21,11 @@ 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 "s_axi_lite_aclk", "m_axi_mm2s_aclk" + "m_axi_s2mm_aclk", "m_axis_mm2s_aclk", "s_axis_s2mm_aclk" + (list of input cloks may vary based on the ip configuration. + see clock bindings for more info). Required properties for VDMA: - xlnx,num-fstores: Should be the number of framebuffers as configured in h/w. @@ -60,6 +65,9 @@ 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 >; -- 2.1.2