Re: [PATCH v2 1/3] dt/bindings: da8xx-usb: Add binding for the CPPI 4.1 DMA controller

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On 01/17/2017 05:20 PM, Alexandre Bailon wrote:

DT binding for the TI DA8xx/OMAP-L1x/AM17xx/AM18xx cppi41 dma controller.

Signed-off-by: Alexandre Bailon <abailon@xxxxxxxxxxxx>
---
 .../devicetree/bindings/usb/da8xx-usb.txt          | 42 ++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/da8xx-usb.txt b/Documentation/devicetree/bindings/usb/da8xx-usb.txt
index ccb844a..aed3169 100644
--- a/Documentation/devicetree/bindings/usb/da8xx-usb.txt
+++ b/Documentation/devicetree/bindings/usb/da8xx-usb.txt
@@ -18,10 +18,26 @@ Required properties:

  - phy-names: Should be "usb-phy"

+ - dmas: specifies the dma channels
+
+ - dma-names: specifies the names of the channels. Use "rxN" for receive
+   and "txN" for transmit endpoints. N specifies the endpoint number.
+
 Optional properties:
 ~~~~~~~~~~~~~~~~~~~~
  - vbus-supply: Phandle to a regulator providing the USB bus power.

+DMA
+~~~
+- compatible: ti,da8xx-cppi41

   Almost missed this -- wildcards in this property are forbidden.
We should use "ti,da830-cppi41" as a least common denominator.

MBR, Sergei

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