Introduce the dt-binding for enabling USB type C orientation and role detection using the PM8150B. The driver will be responsible for receiving the interrupt at a state change on the CC lines, reading the orientation/role, and communicating this information to the remote clients, which can include a role switch node and a type C switch. Signed-off-by: Wesley Cheng <wcheng@xxxxxxxxxxxxxx> --- .../bindings/usb/qcom,pmic-typec.yaml | 112 ++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml diff --git a/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml b/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml new file mode 100644 index 000000000000..d5173f88d429 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml @@ -0,0 +1,112 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/usb/qcom,pmic-typec.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Qualcomm PMIC based USB type C Detection Driver + +maintainers: + - Wesley Cheng <wcheng@xxxxxxxxxxxxxx> + +description: | + Qualcomm PMIC Type C Detect + +properties: + compatible: + enum: + - qcom,pm8150b-usb-typec + + reg: + maxItems: 1 + description: Type C base address + + interrupts: + maxItems: 1 + description: CC change interrupt from PMIC + + connector: + description: Connector type for remote endpoints + type: object + + properties: + compatible: + $ref: /connector/usb-connector.yaml#/properties/compatible + enum: + - usb-c-connector + + power-role: true + data-role: true + + ports: + description: Remote endpoint connections + type: object + $ref: /connector/usb-connector.yaml#/properties/ports + + properties: + port@0: + description: Remote endpoints for the High Speed path + type: object + + port@1: + description: Remote endpoints for the Super Speed path + type: object + + properties: + endpoint@0: + description: Connection to USB type C mux node + type: object + + endpoint@1: + description: Connection to role switch node + type: object + + required: + - compatible + +required: + - compatible + - interrupts + - connector + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + pm8150b { + #address-cells = <1>; + #size-cells = <0>; + pm8150b_typec: typec@1500 { + compatible = "qcom,pm8150b-usb-typec"; + reg = <0x1500>; + interrupts = <0x2 0x15 0x5 IRQ_TYPE_EDGE_RISING>; + + connector { + compatible = "usb-c-connector"; + power-role = "dual"; + data-role = "dual"; + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + }; + port@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + usb3_data_ss: endpoint@0 { + reg = <0>; + remote-endpoint = <&qmp_ss_mux>; + }; + usb3_role: endpoint@1 { + reg = <1>; + remote-endpoint = <&dwc3_drd_switch>; + }; + }; + }; + }; + }; + }; +... -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
