dt-bindings: usb: add documentation for typec port controller(TCPCI)
PATCH v3 2/12 dt-bindings: usb: add documentation for typec port controller(TCPCI)
Hi,
Quoted 45 lines · Li Jun
TCPCI stands for typec port controller interface, its implementation has full typec port control with power delivery support, it's a standard i2c slave with GPIO input as irq interface, detail see spec "Universal Serial Bus Type-C Port Controller Interface Specification Revision 1.0, Version 1.1"
Signed-off-by Li Jun <[email protected]>---
change for v3:
- change compatible string from "usb,tcpci" to be "usb-tcpci,chip-specific-string", update example of it..../devicetree/bindings/usb/typec-tcpci.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+)Documentation/devicetree/bindings/usb/typec-tcpci.txt new file +24
-0@@ -0,0 +1,36 @@ +TCPCI(Typec port cotroller interface) binding +--------------------------------------------- + +Required properties: +- compatible: should be "usb-tcpci,chip-specific-string". +- reg: the i2c slave address of typec port controller device. +- interrupt-parent: the phandle to the interrupt controller which provides + the interrupt. +- interrupts: interrupt specification for tcpci alert. + +Required sub-node: +- connector: The "usb-c-connector" attached to the tcpci chip, the bindings + of connector node are specified in + Documentation/devicetree/bindings/connector/usb-connector.txt + +Example: + +ptn5110@50 { + compatible = "usb-tcpci,ptn5110"; + reg = <0x50>; + interrupt-parent = <&gpio3>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + + usb_con: connector {
Documentation/devicetree/bindings/usb/typec-tcpci.txt line 34
Quoted 10 lines
Documentation/devicetree/bindings/usb/typec-tcpci.txt new file +10
-0+ compatible = "usb-c-connector"; + label = "USB-C"; + port-type = "dual"; + try-power-role = "sink" + source-pdos = <0x380190c8>; + sink-pdos = <0x380190c8 0x3802d0c8>; + max-sink-microvolt = <9000>; + max-sink-microamp = <2000>; + max-sink-microwatt-hours = <18000>; + op-sink-microwatt-hours = <9000>;
Values should change with suffix, e.g. 9000mV = 9000000uV
// Mats
Documentation/devicetree/bindings/usb/typec-tcpci.txt line 36
Quoted 3 lines
Documentation/devicetree/bindings/usb/typec-tcpci.txt new file +2
-0+ }; +};
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