linux-kernel - Re: [PATCH v7 2/5] dt-bindings: iio: magnetometer: ak8975: convert format to yaml, add maintainer

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Date:   Fri, 29 May 2020 13:30:20 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jonathan Albrieux <jonathan.albrieux@...il.com>
Cc:     linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht,
        Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        "open list:IIO SUBSYSTEM AND DRIVERS" <linux-iio@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH v7 2/5] dt-bindings: iio: magnetometer: ak8975: convert
 format to yaml, add maintainer

On Thu, May 28, 2020 at 04:58:47PM +0200, Jonathan Albrieux wrote:
> Converts documentation from txt format to yaml.
> 
> Signed-off-by: Jonathan Albrieux <jonathan.albrieux@...il.com>
> ---
>  .../bindings/iio/magnetometer/ak8975.txt      | 37 ---------
>  .../iio/magnetometer/asahi-kasei,ak8975.yaml  | 77 +++++++++++++++++++
>  2 files changed, 77 insertions(+), 37 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt
>  create mode 100644 Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt b/Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt
> deleted file mode 100644
> index 0576b9df0bf2..000000000000
> --- a/Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt
> +++ /dev/null
> @@ -1,37 +0,0 @@
> -* AsahiKASEI AK8975 magnetometer sensor
> -
> -Required properties:
> -
> -  - compatible : should be "asahi-kasei,ak8975".
> -  - reg : the I2C address of the magnetometer.
> -
> -Optional properties:
> -
> -  - gpios : AK8975 has a "Data ready" pin (DRDY) which informs that data
> -      is ready to be read and is possible to listen on it. If used,
> -      this should be active high. Prefer interrupt over this.
> -
> -  - interrupts : interrupt for DRDY pin. Triggered on rising edge.
> -
> -  - vdd-supply: an optional regulator that needs to be on to provide VDD.
> -
> -  - mount-matrix: an optional 3x3 mounting rotation matrix.
> -
> -Example:
> -
> -ak8975@c {
> -        compatible = "asahi-kasei,ak8975";
> -        reg = <0x0c>;
> -        interrupt-parent = <&gpio6>;
> -        interrupts = <15 IRQ_TYPE_EDGE_RISING>;
> -        vdd-supply = <&ldo_3v3_gnss>;
> -        mount-matrix = "-0.984807753012208",  /* x0 */
> -                       "0",                   /* y0 */
> -                       "-0.173648177666930",  /* z0 */
> -                       "0",                   /* x1 */
> -                       "-1",                  /* y1 */
> -                       "0",                   /* z1 */
> -                       "-0.173648177666930",  /* x2 */
> -                       "0",                   /* y2 */
> -                       "0.984807753012208";   /* z2 */
> -};
> diff --git a/Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml b/Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml
> new file mode 100644
> index 000000000000..55b18784e503
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml
> @@ -0,0 +1,77 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/magnetometer/asahi-kasei,ak8975.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: AsahiKASEI AK8975 magnetometer sensor
> +
> +maintainers:
> +  - Jonathan Albrieux <jonathan.albrieux@...il.com>
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - enum:
> +        - asahi-kasei,ak8975
> +        - asahi-kasei,ak8963
> +        - asahi-kasei,ak09911
> +        - asahi-kasei,ak09912
> +      - enum:
> +        - ak8975
> +        - ak8963
> +        - ak09911
> +        - ak09912
> +        deprecated: true
> +
> +  reg:
> +    maxItems: 1
> +
> +  gpios:
> +    maxItems: 1
> +    description: |
> +      AK8975 has a "Data ready" pin (DRDY) which informs that data
> +      is ready to be read and is possible to listen on it. If used,
> +      this should be active high. Prefer interrupt over this.
> +
> +  interrupts:
> +    maxItems: 1
> +    description: interrupt for DRDY pin. Triggered on rising edge.
> +
> +  vdd-supply:
> +    maxItems: 1

Drop this. -supply is always 1.

With that,

Reviewed-by: Rob Herring <robh@...nel.org>