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usb: renesas_usbhs: add support for requesting DT DMA

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This patch adds dma_request_slave_channel_reason() calling to request
dma slave channels for multiplatform environment.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Yoshihiro Shimoda
2015-01-19 12:53:17 +09:00
committed by Felipe Balbi
parent 6e3f53ab5b
commit abd2dbf6bb
2 changed files with 12 additions and 1 deletions
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2
Documentation/devicetree/bindings/usb/renesas_usbhs.txt
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@@ -14,6 +14,8 @@ Optional properties:
function should be enabled
- phys: phandle + phy specifier pair
- phy-names: must be "usb"
- dmas: Must contain a list of references to DMA specifiers.
- dma-names : Must contain a list of DMA names, "tx" or "rx".
Example:
usbhs: usb@e6590000 {