Hi > -----Original Message----- > From: Mats Karrman [mailto:mats.dev.list@xxxxxxxxx] > Sent: 2018年3月15日 23:54 > To: Jun Li <jun.li@xxxxxxx>; robh+dt@xxxxxxxxxx; mark.rutland@xxxxxxx; > gregkh@xxxxxxxxxxxxxxxxxxx; heikki.krogerus@xxxxxxxxxxxxxxx > Cc: a.hajda@xxxxxxxxxxx; linux@xxxxxxxxxxxx; yueyao@xxxxxxxxxx; > shufan_lee@xxxxxxxxxxx; o_leveque@xxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx; > dl-linux-imx <linux-imx@xxxxxxx> > Subject: Re: [PATCH v3 02/12] dt-bindings: usb: add documentation for typec > port controller(TCPCI) > > Hi, > > On 2018-03-13 10:34, Li Jun wrote: > > > 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 <jun.li@xxxxxxx> > > --- > > 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(+) > > > > diff --git a/Documentation/devicetree/bindings/usb/typec-tcpci.txt > > b/Documentation/devicetree/bindings/usb/typec-tcpci.txt > > new file mode 100644 > > index 0000000..fe7d2ff > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/usb/typec-tcpci.txt > > @@ -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 { > > + 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 > Yes, thanks for pointing this out, I will update in v4. Jun > // Mats > > > + }; > > +}; > > ��.n��������+%������w��{.n�����{���)�� jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
