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ARM64: zynqmp: Add description for LPDDMA channel usage

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LPDDMA default allows only secured access.
inorder to enable these dma channels,
one should ensure that it allows non secure access.
This patch updates the same.

Reported-by: Sai Pavan Boddu <saipava@xilinx.com>
Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Kedareswara rao Appana 2016-09-09 12:36:01 +05:30 • committed by Michal Simek
parent b976fd636e
commit 6af5773700
1 changed files with 4 additions and 1 deletions
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5
arch/arm/dts/zynqmp.dtsi
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@ -421,7 +421,10 @@
power-domains = <&pd_gpu>;
};
/* ADMA */
/* LPDDMA default allows only secured access. inorder to enable
* These dma channels, Users should ensure that these dma
* Channels are allowed for non secure access.
*/
lpd_dma_chan1: dma@ffa80000 {
status = "disabled";
compatible = "xlnx,zynqmp-dma-1.0";