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Date: Tue, 7 Jun 2022 19:00:21 +0000 From: Prashant Malani <pmalani@...omium.org> To: linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org Cc: bleung@...omium.org, swboyd@...omium.org, heikki.krogerus@...ux.intel.com, Prashant Malani <pmalani@...omium.org>, Andrzej Hajda <andrzej.hajda@...el.com>, AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Daniel Vetter <daniel@...ll.ch>, David Airlie <airlied@...ux.ie>, devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), dri-devel@...ts.freedesktop.org (open list:DRM DRIVERS), Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Hsin-Yi Wang <hsinyi@...omium.org>, Jernej Skrabec <jernej.skrabec@...il.com>, Jonas Karlman <jonas@...boo.se>, José Expósito <jose.exposito89@...il.com>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Laurent Pinchart <Laurent.pinchart@...asonboard.com>, Maxime Ripard <maxime@...no.tech>, Neil Armstrong <narmstrong@...libre.com>, Nícolas F. R. A. Prado <nfraprado@...labora.com>, Pin-Yen Lin <treapking@...omium.org>, Robert Foss <robert.foss@...aro.org>, Rob Herring <robh+dt@...nel.org>, Sam Ravnborg <sam@...nborg.org>, Thomas Zimmermann <tzimmermann@...e.de>, Tzung-Bi Shih <tzungbi@...gle.com>, Xin Ji <xji@...logixsemi.com> Subject: [PATCH 3/7] dt-bindings: usb: Add Type-C switch binding Introduce a binding which represents a component that can control the routing of USB Type-C data lines as well as address data line orientation (based on CC lines' orientation). Signed-off-by: Prashant Malani <pmalani@...omium.org> --- .../devicetree/bindings/usb/typec-switch.yaml | 76 +++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/typec-switch.yaml diff --git a/Documentation/devicetree/bindings/usb/typec-switch.yaml b/Documentation/devicetree/bindings/usb/typec-switch.yaml new file mode 100644 index 000000000000..60a600a63fef --- /dev/null +++ b/Documentation/devicetree/bindings/usb/typec-switch.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/typec-switch.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: USB Type-C Switch + +maintainers: + - Prashant Malani <pmalani@...omium.org> + +description: + A USB Type-C switch represents a component which routes USB Type-C data + lines to various protocol host controllers (e.g USB, VESA DisplayPort, + Thunderbolt etc.) depending on which mode the Type-C port, port partner + and cable are operating in. It can also modify lane routing based on + the orientation of a connected Type-C peripheral. + +properties: + compatible: + items: + - enum: + - typec-switch + + mode-switch: + type: boolean + description: Specify that this switch can handle alternate mode switching. + + orientation-switch: + type: boolean + description: Specify that this switch can handle orientation switching. + + ports: + $ref: /schemas/graph.yaml#/properties/ports + description: OF graph binding modelling data lines to the Type-C switch. + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Link between the switch and a Type-C connector. + + required: + - port@0 + +required: + - compatible + - ports + +anyOf: + - required: + - mode-switch + - required: + - orientation-switch + +additionalProperties: true + +examples: + - | + anx7625 { + typecswitch { + compatible = "typec-switch"; + mode-switch; + orientation-switch; + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + anx_ep: endpoint { + remote-endpoint = <&typec_controller>; + }; + }; + }; + }; + }; -- 2.36.1.255.ge46751e96f-goog
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