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

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Date:   Tue, 22 Sep 2020 10:04:11 -0600
From:   Rob Herring <robh@...nel.org>
To:     Badhri Jagan Sridharan <badhri@...gle.com>,
        Amelie Delaunay <amelie.delaunay@...com>
Cc:     Guenter Roeck <linux@...ck-us.net>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Lee Jones <lee.jones@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Thierry Reding <treding@...dia.com>,
        Prashant Malani <pmalani@...omium.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH v8 05/11] dt-bindings: connector: Add property to set
 initial current cap for FRS

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@...gle.com>
> ---
> 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@st.com/