[PATCH 02/23] dt-bindings: usb: mtu3: add optional property to disable usb2 ports

Chunfeng Yun chunfeng.yun at mediatek.com
Tue Jun 8 00:57:28 PDT 2021

Add support to disable specific usb2 host ports, it's useful when
a usb2 port is disabled on some platforms, but enabled on others for
the same SoC, another case is that the different package may support
different number of ports.

Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
 Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
index 2cac7a87ce36..3e6f2750f48d 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
@@ -166,6 +166,12 @@ properties:
     description: The mask to disable u3ports, bit0 for u3port0,
       bit1 for u3port1, ... etc
+  mediatek,u2p-dis-msk:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: The mask to disable u2ports, bit0 for u2port0,
+      bit1 for u2port1, ... etc; but can't disable u2port0 if dual role mode
+      is enabled, so will be skipped in this case.
 # Required child node when support dual-role

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