linux-kernel - [PATCH 1/2] Documentation: DT: vdma: Add clock support for vdma

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Message-ID: <1461136800-20334-1-git-send-email-appanad@xilinx.com>
Date:	Wed, 20 Apr 2016 12:49:59 +0530
From:	Kedareswara rao Appana <appana.durga.rao@...inx.com>
To:	<robh+dt@...nel.org>, <pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
	<michal.simek@...inx.com>, <soren.brinkmann@...inx.com>,
	<vinod.koul@...el.com>, <dan.j.williams@...el.com>,
	<appanad@...inx.com>, <moritz.fischer@...us.com>,
	<laurent.pinchart@...asonboard.com>, <luis@...ethencourt.com>,
	<anirudh@...inx.com>, <punnaia@...inx.com>
CC:	<devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <dmaengine@...r.kernel.org>
Subject: [PATCH 1/2] Documentation: DT: vdma: Add clock support for vdma

This patch updates the binding doc with clock description
for vdma.

Signed-off-by: Kedareswara rao Appana <appanad@...inx.com>
---
 Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
index fcc2b65..e1c9019 100644
--- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
+++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
@@ -21,6 +21,10 @@ 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 "axi_clk", "tx_clk", "txs_clk" (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 +64,8 @@ axi_vdma_0: axivdma@...30000 {
 	xlnx,num-fstores = <0x8>;
 	xlnx,flush-fsync = <0x1>;
 	xlnx,addrwidth = <0x20>;
+	clocks = <&clk 0>, <&clk 1>, <&clk 2>;
+	clock-names = "axi_clk", "tx_clk", "txs_clk";
 	dma-channel@...30000 {
 		compatible = "xlnx,axi-vdma-mm2s-channel";
 		interrupts = < 0 54 4 >;
-- 
2.1.2