diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/dma.txt | 4 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/dma/mmp-dma.txt | 11 |
2 files changed, 9 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/dma/dma.txt b/Documentation/devicetree/bindings/dma/dma.txt index 8f504e6bae1..82104271e75 100644 --- a/Documentation/devicetree/bindings/dma/dma.txt +++ b/Documentation/devicetree/bindings/dma/dma.txt @@ -14,7 +14,7 @@ Required property: Optional properties: - dma-channels: Number of DMA channels supported by the controller. -- dma-requests: Number of DMA requests signals supported by the +- dma-requests: Number of DMA request signals supported by the controller. Example: @@ -44,7 +44,7 @@ Required property: #dma-cells property in the node referenced by phandle containing DMA controller specific information. This typically contains a DMA request line number or a - channel number, but can contain any data that is used + channel number, but can contain any data that is required for configuring a channel. - dma-names: Contains one identifier string for each DMA specifier in the dmas property. The specific strings that can be used diff --git a/Documentation/devicetree/bindings/dma/mmp-dma.txt b/Documentation/devicetree/bindings/dma/mmp-dma.txt index a4fa4efa1d8..7a802f64e5b 100644 --- a/Documentation/devicetree/bindings/dma/mmp-dma.txt +++ b/Documentation/devicetree/bindings/dma/mmp-dma.txt @@ -1,17 +1,20 @@ * MARVELL MMP DMA controller Marvell Peripheral DMA Controller -Used platfroms: pxa688, pxa910, pxa3xx, etc +Used platforms: pxa688, pxa910, pxa3xx, etc Required properties: - compatible: Should be "marvell,pdma-1.0" - reg: Should contain DMA registers location and length. - interrupts: Either contain all of the per-channel DMA interrupts or one irq for pdma device -- #dma-channels: Number of DMA channels supported by the controller. + +Optional properties: +- #dma-channels: Number of DMA channels supported by the controller (defaults + to 32 when not specified) "marvell,pdma-1.0" -Used platfroms: pxa25x, pxa27x, pxa3xx, pxa93x, pxa168, pxa910, pxa688. +Used platforms: pxa25x, pxa27x, pxa3xx, pxa93x, pxa168, pxa910, pxa688. Examples: @@ -45,7 +48,7 @@ pdma: dma-controller@d4000000 { Marvell Two Channel DMA Controller used specifically for audio -Used platfroms: pxa688, pxa910 +Used platforms: pxa688, pxa910 Required properties: - compatible: Should be "marvell,adma-1.0" or "marvell,pxa910-squ" |