[PATCH 4/4] dt-bindings: usb: usb-xhci: add USB offload support

From: Howard Yen
Date: Tue Jan 19 2021 - 05:39:47 EST


Document USB offload support for usb-xhci.

For example:

&usbdrd_dwc3 {
...
/* support usb offloading, 0: disabled, 1: audio */
offload = <1>;
...
};

Signed-off-by: Howard Yen <howardyen@xxxxxxxxxx>
---
Documentation/devicetree/bindings/usb/usb-xhci.txt | 1 +
1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
index b120dd6612a2..aab1fd499f15 100644
--- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
@@ -46,6 +46,7 @@ Optional properties:
- quirk-broken-port-ped: set if the controller has broken port disable mechanism
- imod-interval-ns: default interrupt moderation interval is 5000ns
- phys : see usb-hcd.yaml in the current directory
+ - offload: supporting USB offload feature, 0: disabled, 1: audio

additionally the properties from usb-hcd.yaml (in the current directory) are
supported.
--
2.30.0.284.gd98b1dd5eaa7-goog