diff options
| author | Andy Duan <fugang.duan@nxp.com> | 2016-12-31 16:01:32 +0800 |
|---|---|---|
| committer | Anson Huang <Anson.Huang@nxp.com> | 2017-06-09 22:18:08 +0800 |
| commit | 274d2d67578d1aed913d4741ebc842e21700dc8a (patch) | |
| tree | 47b1c1fdc666648197c798b7a4e8d19a61f835fe /Documentation | |
| parent | 0b2cf0d3018f0fa3ece2dab8ea6751dc72784118 (diff) | |
MLK-13712 dmaengine: fsl-edma: restore edma registers for i.MX7ULP VLLS mode
EDMA controller will loss power on i.MX7ULP VLLS mode, then registers
are set to HW reset default value that cause EDMA cannot work after
system wake up. So the patch is to restore eDMA registers status after
system exit from VLLS mode.
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
(cherry picked from commit:bc15f814383d)
Conflicts:
drivers/dma/fsl-edma.c
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/fsl-edma.txt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/dma/fsl-edma.txt b/Documentation/devicetree/bindings/dma/fsl-edma.txt index 191d7bd8a6fe..fc4eb68f50f2 100644 --- a/Documentation/devicetree/bindings/dma/fsl-edma.txt +++ b/Documentation/devicetree/bindings/dma/fsl-edma.txt @@ -9,6 +9,7 @@ group, DMAMUX0 or DMAMUX1, but not both. Required properties: - compatible : - "fsl,vf610-edma" for eDMA used similar to that on Vybrid vf610 SoC + - "nxp,imx7ulp-edma" for eDMA used similar to that on NXP i.MX7ULP SoC - reg : Specifies base physical address(s) and size of the eDMA registers. The 1st region is eDMA control register's address and size. The 2nd and the 3rd regions are programmable channel multiplexing |