Re: [PATCH v2 02/13] dt-bindings: usb: mtu3: add optional property to disable usb2 ports
From: Rob Herring <robh@kernel.org>
Date: 2021-07-12 19:08:17
Also in:
linux-arm-kernel, linux-devicetree, linux-usb, lkml
On Fri, Jun 18, 2021 at 05:29:07PM +0800, Chunfeng Yun wrote:
quoted hunk ↗ jump to hunk
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:
Just spell out 'mask'.
+ $ref: /schemas/types.yaml#/definitions/uint32 + description: The mask to disable u2ports, bit0 for u2port0, + bit1 for u2port1, ... etc; but can't disable u2port0 if dual role mode + is enabled, so will be skipped in this case. + # Required child node when support dual-role patternProperties: "^usb@[0-9a-f]+$": -- 2.18.0
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