From: Dinh Nguyen <dingu...@altera.com> The "dma-desc-enable" property can be used to disable descriptor DMA mode for the DWC2 USB IP.
Signed-off-by: Dinh Nguyen <dingu...@altera.com> --- Documentation/devicetree/bindings/usb/dwc2.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt index b8b6871..37af3bc 100644 --- a/Documentation/devicetree/bindings/usb/dwc2.txt +++ b/Documentation/devicetree/bindings/usb/dwc2.txt @@ -14,6 +14,11 @@ Refer to clk/clock-bindings.txt for generic clock consumer properties Optional properties: - phys: phy provider specifier - phy-names: shall be "device" +- dma-desc-enable: This property is used to disable descriptor DMA support. + The reason why this property is needed is that even if the HW supports + description DMA support, it does not support it for SPLIT transactions. + So this property can be used to optionally disable descriptor DMA + support. Refer to phy/phy-bindings.txt for generic phy consumer properties Example: -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
