linux-kernel - Re: [PATCH 2/2] dt-bindings: iio: gyro: Add DT binding doc for ADXRS290

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Date:   Mon, 20 Jul 2020 12:16:33 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Nishant Malpani <nish.malpani25@...il.com>
Cc:     robh+dt@...nel.org, dragos.bogdan@...log.com,
        darius.berghe@...log.com, linux-kernel@...r.kernel.org,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 2/2] dt-bindings: iio: gyro: Add DT binding doc for
 ADXRS290

On Wed, 15 Jul 2020 14:58:21 +0530
Nishant Malpani <nish.malpani25@...il.com> wrote:

> Add devicetree binding document for ADXRS290, a dual-axis MEMS gyroscope.
> 
> Signed-off-by: Nishant Malpani <nish.malpani25@...il.com>
> ---
>  .../bindings/iio/gyroscope/adi,adxrs290.yaml  | 52 +++++++++++++++++++
>  MAINTAINERS                                   |  1 +
>  2 files changed, 53 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/gyroscope/adi,adxrs290.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/gyroscope/adi,adxrs290.yaml b/Documentation/devicetree/bindings/iio/gyroscope/adi,adxrs290.yaml
> new file mode 100644
> index 000000000000..a997d945fdb0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/gyroscope/adi,adxrs290.yaml
> @@ -0,0 +1,52 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright 2020 Analog Devices Inc.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/gyroscope/adi,adxrs290.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices ADXRS290 Dual-Axis MEMS Gyroscope
> +
> +maintainers:
> +  - Nishant Malpani <nish.malpani25@...il.com>
> +
> +description: |
> +  Bindings for the Analog Devices ADXRS290 dual-axis MEMS gyroscope device.
> +  https://www.analog.com/media/en/technical-documentation/data-sheets/ADXRS290.pdf
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,adxrs290

I think we can use const here as only one item currently.

> +
> +  reg:
> +    maxItems: 1
> +
> +  spi-max-frequency:
> +    maximum: 5000000
> +
> +  spi-cpol: true
> +
> +  spi-cpha: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - spi-max-frequency
> +  - spi-cpol
> +  - spi-cpha
> +
> +examples:
> +  - |
> +    spi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        gyro@0 {
> +                   compatible = "adi,adxrs290";
> +                   reg = <0>;
> +                   spi-max-frequency = <5000000>;
> +                   spi-cpol;
> +                   spi-cpha;
> +        };
> +    };
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index dd02cfc410e8..0bb8ac90fba1 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -1103,6 +1103,7 @@ M:	Nishant Malpani <nish.malpani25@...il.com>
>  L:	linux-iio@...r.kernel.org
>  S:	Supported
>  F:	drivers/iio/gyro/adxrs290.c
> +F:	Documentation/devicetree/bindings/iio/gyroscope/adi,adxrs290.yaml
>  
>  ANALOG DEVICES INC ASOC CODEC DRIVERS
>  M:	Lars-Peter Clausen <lars@...afoo.de>