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The controller is connected over I2C and manages a single USB Type-C connector, described with the generic USB connector binding. The connector's OF graph links to the Type-C orientation switch and mode mux provided by the platform PHY. Signed-off-by: Gary Yang Reviewed-by: Krzysztof Kozlowski --- .../bindings/usb/realtek,rts5453h.yaml | 70 +++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/realtek,rts5453h.yaml diff --git a/Documentation/devicetree/bindings/usb/realtek,rts5453h.yaml b/Documentation/devicetree/bindings/usb/realtek,rts5453h.yaml new file mode 100644 index 000000000000..f7c062ba1114 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/realtek,rts5453h.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/realtek,rts5453h.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Realtek RTS5453H USB Type-C port controller + +description: | + The RTS5453H is a stand-alone USB Type-C port controller with USB + Power Delivery support. It is controlled over I2C and reports + changes of the port state through an interrupt line. + + Orientation switching and USB/DisplayPort lane muxing are performed by + the platform PHY. The controller finds the Type-C switch and mux + through the OF graph of its connector node. + +maintainers: + - Gary Yang + +properties: + compatible: + const: realtek,rts5453h + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + connector: + type: object + $ref: /schemas/connector/usb-connector.yaml# + unevaluatedProperties: false + description: + The USB Type-C connector managed by this controller. + + required: + - data-role + - power-role + +required: + - compatible + - reg + - interrupts + - connector + +additionalProperties: false + +examples: + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + typec@30 { + compatible = "realtek,rts5453h"; + reg = <0x30>; + interrupt-parent = <&gpio0>; + interrupts = <8 IRQ_TYPE_LEVEL_LOW>; + + connector { + compatible = "usb-c-connector"; + data-role = "host"; + power-role = "source"; + }; + }; + };