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Date:   Wed, 25 Mar 2020 17:10:22 -0700
From:   Benson Leung <bleung@google.com>
To:     Prashant Malani <pmalani@chromium.org>,
        Rob Herring <robh+dt@kernel.org>
Cc:     linux-kernel@vger.kernel.org, Benson Leung <bleung@chromium.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        Enric Balletbo i Serra <enric.balletbo@collabora.com>,
        Guenter Roeck <groeck@chromium.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Rob Herring <robh+dt@kernel.org>
Subject: Re: [PATCH v5 1/4] dt-bindings: Add cros-ec Type C port driver
Message-ID: <20200326001022.GA117276@google.com>
References: <20200316090021.52148-1-pmalani@chromium.org>
 <20200316090021.52148-2-pmalani@chromium.org>
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Hi Prashant,

On Mon, Mar 16, 2020 at 02:00:15AM -0700, Prashant Malani wrote:
> Some Chrome OS devices with Embedded Controllers (EC) can read and
> modify Type C port state.
>=20
> Add an entry in the DT Bindings documentation that lists out the logical
> device and describes the relevant port information, to be used by the
> corresponding driver.
>=20
> Signed-off-by: Prashant Malani <pmalani@chromium.org>

Reviewed-by: Benson Leung <bleung@chromium.org>

Hi Rob,

Will you go ahead and merge this through your tree for v5.7?

Thanks,
Benson

> ---
>=20
> Changes in v5:
> - Updated License identifier.
> - Updated DT example to be a full example.
>=20
> Changes in v4:
> - Rebased on top of usb-connector.yaml, so the connector property now
>   directly references the usb-connector DT binding.
>=20
>  .../bindings/chrome/google,cros-ec-typec.yaml | 54 +++++++++++++++++++
>  1 file changed, 54 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/chrome/google,cros-=
ec-typec.yaml
>=20
> diff --git a/Documentation/devicetree/bindings/chrome/google,cros-ec-type=
c.yaml b/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml
> new file mode 100644
> index 0000000000000..6d7396ab8beec
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml
> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/chrome/google,cros-ec-typec.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Google Chrome OS EC(Embedded Controller) Type C port driver.
> +
> +maintainers:
> +  - Benson Leung <bleung@chromium.org>
> +  - Prashant Malani <pmalani@chromium.org>
> +
> +description:
> +  Chrome OS devices have an Embedded Controller(EC) which has access to
> +  Type C port state. This node is intended to allow the host to read and
> +  control the Type C ports. The node for this device should be under a
> +  cros-ec node like google,cros-ec-spi.
> +
> +properties:
> +  compatible:
> +    const: google,cros-ec-typec
> +
> +  connector:
> +    $ref: /schemas/connector/usb-connector.yaml#
> +
> +required:
> +  - compatible
> +
> +examples:
> +  - |+
> +    spi0 {
> +      #address-cells =3D <1>;
> +      #size-cells =3D <0>;
> +
> +      cros_ec: ec@0 {
> +        compatible =3D "google,cros-ec-spi";
> +        reg =3D <0>;
> +
> +        typec {
> +          compatible =3D "google,cros-ec-typec";
> +
> +          #address-cells =3D <1>;
> +          #size-cells =3D <0>;
> +
> +          connector@0 {
> +            compatible =3D "usb-c-connector";
> +            reg =3D <0>;
> +            power-role =3D "dual";
> +            data-role =3D "dual";
> +            try-power-role =3D "source";
> +          };
> +        };
> +      };
> +    };
> --=20
> 2.25.1.481.gfbce0eb801-goog
>=20

--=20
Benson Leung
Staff Software Engineer
Chrome OS Kernel
Google Inc.
bleung@google.com
Chromium OS Project
bleung@chromium.org

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