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dmaengine: sirf: enable generic dt binding for dma channels

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move to support of_dma_request_slave_channel() and dma_request_slave_channel.
we add a xlate() to let dma clients be able to find right dma_chan by generic
"dmas" properties in dts.

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Barry Song
2014-03-27 15:49:31 +08:00
committed by Vinod Koul
parent 80b0e0abfb
commit 2e041c9462
4 changed files with 70 additions and 0 deletions
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arch/arm/boot/dts/atlas6.dtsi
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@@ -269,6 +269,7 @@
reg = <0xb00b0000 0x10000>;
interrupts = <12>;
clocks = <&clks 24>;
#dma-cells = <1>;
};
dmac1: dma-controller@b0160000 {
@@ -277,6 +278,7 @@
reg = <0xb0160000 0x10000>;
interrupts = <13>;
clocks = <&clks 25>;
#dma-cells = <1>;
};
vip@b00C0000 {