On Mon, Feb 26, 2018 at 07:49:17PM +0800, Li Jun wrote: > In case of usb-c-connector with power delivery support, add bingdings > supported by current typec driver, so user can pass all those properties > via dt. > > Signed-off-by: Li Jun <jun.li@xxxxxxx> > --- > Changes for v2: > - Added typec properties are based on general usb connector bindings[1] > proposed by Andrzej Hajda. > - Use the standard unit suffixes as defined in property-units.txt. > > [1] https://patchwork.kernel.org/patch/10231447/ > > .../bindings/connector/usb-connector.txt | 43 ++++++++++++++++++++++ > 1 file changed, 43 insertions(+) > > diff --git a/Documentation/devicetree/bindings/connector/usb-connector.txt b/Documentation/devicetree/bindings/connector/usb-connector.txt > index e1463f1..242f6df 100644 > --- a/Documentation/devicetree/bindings/connector/usb-connector.txt > +++ b/Documentation/devicetree/bindings/connector/usb-connector.txt > @@ -15,6 +15,30 @@ Optional properties: > - type: size of the connector, should be specified in case of USB-A, USB-B > non-fullsize connectors: "mini", "micro". > > +Required properties for usb-c-connector with power delivery support: > +- port-type: should be one of "source", "sink" or "dual". > +- default-role: preferred power role if port-type is "dual"(drp), should be > + "sink" or "source". > +- src-pdos: An array of u32 with each entry providing supported power > + source data object(PDO), the detailed bit definitions of PDO can be found > + in "Universal Serial Bus Power Delivery Specification" chapter 6.4.1.2 > + Source_Capabilities Message, the order of each entry(PDO) should follow > + the PD spec chapter 6.4.1. Required for power source and power dual role. > +- snk-pdos: An array of u32 with each entry providing supported power Abbreviating sink to snk doesn't buy much. I'd also just do source instead of src. > + sink data object(PDO), the detailed bit definitions of PDO can be found in > + "Universal Serial Bus Power Delivery Specification" chapter 6.4.1.3 Sink > + Capabilities Message, the order of each entry(PDO) should follow the PD > + spec chapter 6.4.1. Required for power sink and power dual role. > +- max-snk-microvolt: The max voltage the sink can support in micro volts, > + required for power sink and power dual role. > +- max-snk-microamp: The max current the sink can support in micro amps, > + required for power sink and power dual role. > +- max-snk-microwatt-hours: The max power the sink can support in micro > + Watt-hours, required for power sink and power dual role. > +- op-snk-microwatt-hours: Sink required operating power in micro Watt-hours, > + if source offered power is less then it, Capability Mismatch is set, > + required for power sink and power dual role. None of these properties are part of the PDO? > + > Required nodes: > - any data bus to the connector should be modeled using the OF graph bindings > specified in bindings/graph.txt, unless the bus is between parent node and > @@ -73,3 +97,22 @@ ccic: s2mm005@33 { > }; > }; > }; > + > +3. USB-C connector attached to a typec port controller(ptn5110), which has > +power delivery support and enables drp. > + > +typec: ptn5110@50 { > + ... > + usb_con: connector { > + compatible = "usb-c-connector"; > + label = "USB-C"; > + port-type = "dual"; > + default-role = "sink"; > + src-pdos = <0x380190c8>; > + snk-pdos = <0x380190c8 0x3802d0c8>; > + max-snk-microvolt = <9000>; > + max-snk-microamp = <2000>; > + max-snk-microwatt-hours = <18000>; > + op-snk-microwatt-hours = <9000>; > + }; > +}; > -- > 2.7.4 > > -- > To unsubscribe from this list: send the line "unsubscribe devicetree" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
