Messages in this thread | | | Date | Thu, 11 Aug 2022 12:14:48 +0300 | Subject | Re: [PATCH 1/2] dt-bindings: usb: Introduce GPIO-based SBU mux | From | Krzysztof Kozlowski <> |
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On 10/08/2022 23:47, Bjorn Andersson wrote: > Introduce a binding for GPIO-based mux hardware used for connecting, > disconnecting and switching orientation of the SBU lines in USB Type-C > applications. > > Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> > --- > .../devicetree/bindings/usb/gpio-sbu-mux.yaml | 77 +++++++++++++++++++ > 1 file changed, 77 insertions(+) > create mode 100644 Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml > > diff --git a/Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml b/Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml > new file mode 100644 > index 000000000000..7d8aca40c7ca > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml > @@ -0,0 +1,77 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/usb/gpio-sbu-mux.yaml#" > +$schema: "http://devicetree.org/meta-schemas/core.yaml#" > + > +title: GPIO-based SBU mux > + > +maintainers: > + - Bjorn Andersson <bjorn.andersson@linaro.org> > + > +description: > + In USB Type-C applications the SBU lines needs to be connected, disconnected > + and swapped depending on the altmode and orientation. This binding describes > + a family of hardware which perform this based on GPIO controls.
+Cc few folks.
This looks familiar to:
https://lore.kernel.org/linux-devicetree/eaf2fda8-0cd6-b518-10cb-4e21b5f8c909@linaro.org/T/#m39254b7f8970b3e1264f9d1a979557bb46ab162c
Rob and Stephen had several concerns about that approach.
Best regards, Krzysztof
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