dt-bindings: usb: mtk-xhci: add support 'resets' property

Add 'resets' property to support IP reset usually by top pericfg.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20220523090449.14430-1-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
index 084d713..8927184 100644 (file)
--- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
@@ -113,6 +113,9 @@ properties:
   vbus-supply:
     description: Regulator of USB VBUS5v
 
+  resets:
+    maxItems: 1
+
   usb3-lpm-capable: true
 
   usb2-lpm-disable: true