Badhri Jagan Sridharan <badhri@xxxxxxxxxx> 于2020年9月22日周二 上午3:57写道： > > This change adds frs-typec-current which allows setting the initial current > capability of the new source when vSafe5V is applied during PD3.0 > sink Fast Role Swap. > > Signed-off-by: Badhri Jagan Sridharan <badhri@xxxxxxxxxx> > --- > Changes since v1: > - Changing patch version to v6 to fix version number confusion. > > Changes since v6: > - Removed the redundant usb-connector.txt that I created by mistake. > - Moved to yaml. > > Changes since v7: > - Rebase > --- > .../devicetree/bindings/connector/usb-connector.yaml | 8 ++++++++ > include/dt-bindings/usb/pd.h | 10 ++++++++++ > 2 files changed, 18 insertions(+) > > diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml > index 9bd52e63c935..1ca8e6a337e5 100644 > --- a/Documentation/devicetree/bindings/connector/usb-connector.yaml > +++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml > @@ -142,6 +142,14 @@ properties: > required: > - port@0 > > + frs-typec-current: > + description: Initial current capability of the new source when vSafe5V > + is applied during PD3.0 Fast Role Swap. "Table 6-14 Fixed Supply PDO - Sink" > + of "USB Power Delivery Specification Revision 3.0, Version 1.2" provides the > + different power levels and "6.4.1.3.1.6 Fast Role Swap USB Type-C Current" > + provides a detailed description of the field. > + $ref: /schemas/types.yaml#/definitions/uint32 If it's a part of sink PDO, I think you don't need a new property for this, just define it directly into sink-pdos by adding a new PDO define for PD 3.0, something like: sink-pdos = <PDO_FIXED_v3(5000, 3000, PDO_FIXED_USB_COMM, FRS_CURRENT_1P5A)>; Li Jun > + > required: > - compatible > > diff --git a/include/dt-bindings/usb/pd.h b/include/dt-bindings/usb/pd.h > index 985f2bbd4d24..db1ad4532197 100644 > --- a/include/dt-bindings/usb/pd.h > +++ b/include/dt-bindings/usb/pd.h > @@ -35,6 +35,16 @@ > > #define VSAFE5V 5000 /* mv units */ > > +/* > + * Based on "Table 6-14 Fixed Supply PDO - Sink" of "USB Power Delivery Specification Revision 3.0, > + * Version 1.2" > + * Initial current capability of the new source when vSafe5V is applied. > + */ > +#define FRS_NOT_SUPPORTED 0 > +#define FRS_DEFAULT_POWER 1 > +#define FRS_5V_1P5A 2 > +#define FRS_5V_3A 3 > + > #define PDO_BATT_MAX_VOLT_SHIFT 20 /* 50mV units */ > #define PDO_BATT_MIN_VOLT_SHIFT 10 /* 50mV units */ > #define PDO_BATT_MAX_PWR_SHIFT 0 /* 250mW units */ > -- > 2.28.0.681.g6f77f65b4e-goog >
