[PATCH v2 02/13] dt-bindings: usb: mtu3: add optional property to disable usb2 ports
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: 2021-06-18 09:30:43
Also in:
linux-arm-kernel, linux-mediatek, linux-usb, lkml
Subsystem:
mediatek usb3 drd ip driver, open firmware and flattened device tree bindings, the rest, usb subsystem · Maintainers:
Chunfeng Yun, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman
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@mediatek.com> --- v2: no changes --- 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: + $ref: /schemas/types.yaml#/definitions/uint32 + description: The mask to disable u2ports, bit0 for u2port0, + bit1 for u2port1, ... etc; but can't disable u2port0 if dual role mode + is enabled, so will be skipped in this case. + # Required child node when support dual-role patternProperties: "^usb@[0-9a-f]+$":
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2.18.0