Re: [PATCH v8 05/11] dt-bindings: connector: Add property to set initial current cap for FRS

From: Rob Herring
Date: Tue Sep 22 2020 - 12:04:28 EST


On Mon, Sep 21, 2020 at 12:55:49PM -0700, Badhri Jagan Sridharan wrote:
> 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

Looks the same/similar to this[1]. Please come up with a common
approach to cover both.

Rob

https://lore.kernel.org/linux-arm-kernel/20200902075707.9052-2-amelie.delaunay@xxxxxx/