linux-kernel - Re: [PATCH v4 2/5] dt-bindings: iio: Introduce common properties for iio sensors

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Date:   Sun, 12 Apr 2020 12:28:35 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Guido Günther <agx@...xcpu.org>
Cc:     Tomas Novotny <tomas@...otny.cz>, Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        "Angus Ainslie (Purism)" <angus@...ea.ca>,
        Marco Felsch <m.felsch@...gutronix.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Nishant Malpani <nish.malpani25@...il.com>
Subject: Re: [PATCH v4 2/5] dt-bindings: iio: Introduce common properties
 for iio sensors

On Sun,  5 Apr 2020 15:50:29 +0200
Guido Günther <agx@...xcpu.org> wrote:

> Introduce a file for common properties of iio sensors. So far this
> contains the new proximity-near-level property for proximity sensors
> that indicates when an object should be considered near.
> 
> Signed-off-by: Guido Günther <agx@...xcpu.org>
This works for me. However, I would like to give time for Rob and
others to comment on the syntax, naming etc of this file.

Thanks,

Jonathan

> ---
>  .../devicetree/bindings/iio/common.yaml       | 35 +++++++++++++++++++
>  1 file changed, 35 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/common.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/common.yaml b/Documentation/devicetree/bindings/iio/common.yaml
> new file mode 100644
> index 000000000000..97ffcb77043d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/common.yaml
> @@ -0,0 +1,35 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/common.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Common properties for iio sensors
> +
> +maintainers:
> +  - Jonathan Cameron <jic23@...nel.org>
> +  - Guido Günther <agx@...xcpu.org>
> +
> +description: |
> +  This document defines device tree properties common to several iio
> +  sensors. It doesn't constitue a device tree binding specification by itself but
> +  is meant to be referenced by device tree bindings.
> +
> +  When referenced from sensor tree bindings the properties defined in this
> +  document are defined as follows. The sensor tree bindings are responsible for
> +  defining whether each property is required or optional.
> +
> +properties:
> +  proximity-near-level:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: |
> +      For proximity sensors whether an object can be considered near to the
> +      device depends on parameters like sensor position, covering glass and
> +      aperture. This value gives an indication to userspace for which
> +      sensor readings this is the case.
> +
> +      Raw proximity values equal or above this level should be
> +      considered 'near' to the device (an object is near to the
> +      sensor).
> +
> +...