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SubjectRe: [PATCH v5 1/4] dt-bindings: Add cros-ec Type C port driver
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.
>
> 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.
>
> 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

> ---
>
> Changes in v5:
> - Updated License identifier.
> - Updated DT example to be a full example.
>
> Changes in v4:
> - Rebased on top of usb-connector.yaml, so the connector property now
> directly references the usb-connector DT binding.
>
> .../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
>
> diff --git a/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.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 = <1>;
> + #size-cells = <0>;
> +
> + cros_ec: ec@0 {
> + compatible = "google,cros-ec-spi";
> + reg = <0>;
> +
> + typec {
> + compatible = "google,cros-ec-typec";
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + connector@0 {
> + compatible = "usb-c-connector";
> + reg = <0>;
> + power-role = "dual";
> + data-role = "dual";
> + try-power-role = "source";
> + };
> + };
> + };
> + };
> --
> 2.25.1.481.gfbce0eb801-goog
>

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