From 0b6da46b7bdb2284e24757d48466268b9feb5b7c Mon Sep 17 00:00:00 2001 From: Robin Gong Date: Wed, 17 Apr 2019 17:05:42 +0800 Subject: MLK-22284-1 dmaengine: fsl-edma-v3: add power domains for each channel Add power domains for each dma channel so that edma channel could know the power state of every dma channel anytime and clear easily unexpected interrupt which triggered before the last partition reset. Signed-off-by: Robin Gong Reviewed-by: S.j. Wang --- Documentation/devicetree/bindings/dma/fsl-edma-v3.txt | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/dma/fsl-edma-v3.txt b/Documentation/devicetree/bindings/dma/fsl-edma-v3.txt index a8d05427f954..2fb7d1b69604 100644 --- a/Documentation/devicetree/bindings/dma/fsl-edma-v3.txt +++ b/Documentation/devicetree/bindings/dma/fsl-edma-v3.txt @@ -30,6 +30,7 @@ Required properties: 0: not dual fifo case, 1: dualfifo case. See the SoC's reference manual for all the supported request sources. - dma-channels : Number of channels supported by the controller +- pdomains: Power domains for edma channel used. Examples: edma0: dma-controller@40018000 { @@ -46,6 +47,8 @@ edma0: dma-controller@40018000 { ; interrupt-names = "edma0-chan12-rx", "edma0-chan13-tx", "edma0-chan14-rx", "edma0-chan15-tx"; + pdomains = <&pd_dma0_chan12>, <&pd_dma0_chan13>, + <&pd_dma0_chan14>, <&pd_dma0_chan15>, status = "okay"; }; -- cgit v1.2.3