linux-kernel - Re: [PATCH 2/3] dt-bindings: iio: Add cros ec proximity yaml doc

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Message-ID: <20210124172756.69ef7c5a@archlinux>
Date:   Sun, 24 Jan 2021 17:27:56 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Gwendal Grignou <gwendal@...omium.org>,
        devicetree@...r.kernel.org, Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH 2/3] dt-bindings: iio: Add cros ec proximity yaml doc

On Fri, 22 Jan 2021 14:54:42 -0800
Stephen Boyd <swboyd@...omium.org> wrote:

> Some cros ECs support a front proximity MKBP event via
> 'EC_MKBP_FRONT_PROXIMITY'. Add a DT binding to document this feature via
> a node that is a child of the main cros_ec device node. Devices that
> have this ability will describe this in firmware.
> 
> Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>
> Cc: Benson Leung <bleung@...omium.org>
> Cc: Guenter Roeck <groeck@...omium.org>
> Cc: Douglas Anderson <dianders@...omium.org>
> Cc: Gwendal Grignou <gwendal@...omium.org>
> Cc: <devicetree@...r.kernel.org>
> Cc: Rob Herring <robh+dt@...nel.org>
> Signed-off-by: Stephen Boyd <swboyd@...omium.org>
> ---
>  .../proximity/google,cros-ec-proximity.yaml   | 37 +++++++++++++++++++
>  1 file changed, 37 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/proximity/google,cros-ec-proximity.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/proximity/google,cros-ec-proximity.yaml b/Documentation/devicetree/bindings/iio/proximity/google,cros-ec-proximity.yaml
> new file mode 100644
> index 000000000000..c0a34bdfe4fd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/proximity/google,cros-ec-proximity.yaml
> @@ -0,0 +1,37 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +
> +$id: http://devicetree.org/schemas/iio/proximity/google,cros-ec-proximity.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ChromeOS EC MKBP Proximity Sensor
> +
> +maintainers:
> +  - Stephen Boyd <swboyd@...omium.org>
> +  - Benson Leung <bleung@...omium.org>
> +  - Enric Balletbo i Serra <enric.balletbo@...labora.com>
> +
> +description: |
> +  Google's ChromeOS EC sometimes has the ability to detect user proximity.
> +  This is implemented on the EC as near/far logic and exposed to the OS
> +  via an MKBP switch bit.
> +
> +properties:
> +  compatible:
> +    const: google,cros-ec-proximity
> +
> +  label:
> +    description: Name for proximity sensor
> +
> +required:
> +  - compatible
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    proximity {

Can we at least have the example making it clear this is a child of the
cros_ec device?

> +        compatible = "google,cros-ec-proximity";
> +        label = "proximity-wifi-lte";
> +    };