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author | Ingo Molnar <mingo@kernel.org> | 2014-02-02 12:45:39 +0400 |
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committer | Ingo Molnar <mingo@kernel.org> | 2014-02-02 12:45:39 +0400 |
commit | eaa4e4fcf1b5c60e656d93242f7fe422173f25b2 (patch) | |
tree | c05d5d6ca3f625d72a9d136b4c485d3dc9472089 /Documentation/devicetree/bindings/dma/moxa,moxart-dma.txt | |
parent | be1e4e760d940c14d119bffef5eb007dfdf29046 (diff) | |
parent | 5cb480f6b488128140c940abff3c36f524a334a8 (diff) | |
download | linux-eaa4e4fcf1b5c60e656d93242f7fe422173f25b2.tar.xz |
Merge branch 'linus' into sched/core, to resolve conflicts
Conflicts:
kernel/sysctl.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/dma/moxa,moxart-dma.txt')
-rw-r--r-- | Documentation/devicetree/bindings/dma/moxa,moxart-dma.txt | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/dma/moxa,moxart-dma.txt b/Documentation/devicetree/bindings/dma/moxa,moxart-dma.txt new file mode 100644 index 000000000000..8a9f3559335b --- /dev/null +++ b/Documentation/devicetree/bindings/dma/moxa,moxart-dma.txt @@ -0,0 +1,45 @@ +MOXA ART DMA Controller + +See dma.txt first + +Required properties: + +- compatible : Must be "moxa,moxart-dma" +- reg : Should contain registers location and length +- interrupts : Should contain an interrupt-specifier for the sole + interrupt generated by the device +- #dma-cells : Should be 1, a single cell holding a line request number + +Example: + + dma: dma@90500000 { + compatible = "moxa,moxart-dma"; + reg = <0x90500080 0x40>; + interrupts = <24 0>; + #dma-cells = <1>; + }; + + +Clients: + +DMA clients connected to the MOXA ART DMA controller must use the format +described in the dma.txt file, using a two-cell specifier for each channel: +a phandle plus one integer cells. +The two cells in order are: + +1. A phandle pointing to the DMA controller. +2. Peripheral identifier for the hardware handshaking interface. + +Example: +Use specific request line passing from dma +For example, MMC request line is 5 + + sdhci: sdhci@98e00000 { + compatible = "moxa,moxart-sdhci"; + reg = <0x98e00000 0x5C>; + interrupts = <5 0>; + clocks = <&clk_apb>; + dmas = <&dma 5>, + <&dma 5>; + dma-names = "tx", "rx"; + }; |