[RFC PATCH 5/6] dt-bindings: usb: mtk-xhci: support drop extra CS

[Chunfeng Yun]

Add optional property to drop extra CS for FS isoc/intr with TT,
this helps to release some bandwidth.

Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
---
 .../devicetree/bindings/usb/mediatek,mtk-xhci.yaml          | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
index 49729aab6d1a..963d4dedd4f2 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
@@ -123,7 +123,11 @@ properties:
       defined in the xHCI spec on MTK's controller.
     default: 5000
 
-  # the following properties are only used for case 1
+  mediatek,no-extra-cs:
+    description: do not add extra CS for FS intr/isoc eps with TT
+    type: boolean
+
+  # the foullowing properties are only used for case 1
   wakeup-source:
     description: enable USB remote wakeup, see power/wakeup-source.txt
     type: boolean
-- 
2.18.0