Re: [PATCH v6 2/5] dt-bindings: iio: magnetometer: ak8975: convert format to yaml, add maintainer

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On Mon, May 25, 2020 at 05:10:36PM +0200, Jonathan Albrieux wrote:
> Converts documentation from txt format to yaml.

I would have converted to yaml and do any re-formatting/wording, then 
added 'interrupts', but this is fine.


> Signed-off-by: Jonathan Albrieux <jonathan.albrieux@xxxxxxxxx>
> ---
>  .../bindings/iio/magnetometer/ak8975.txt      | 37 ---------
>  .../iio/magnetometer/asahi-kasei,ak8975.yaml  | 78 +++++++++++++++++++
>  2 files changed, 78 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..a603659d5fa5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml
> @@ -0,0 +1,78 @@
> +# 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@xxxxxxxxx>
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - const: asahi-kasei,ak8975
> +      - const: asahi-kasei,ak8963
> +      - const: asahi-kasei,ak09911
> +      - const: asahi-kasei,ak09912

These 4 can be an enum.

> +      - const: ak8975
> +        deprecated: true
> +      - const: ak8963
> +        deprecated: true
> +      - const: ak09911
> +        deprecated: true
> +      - const: ak09912
> +        deprecated: true

And these 4 can be an enum+deprecated.

> +
> +  reg:
> +    maxItems: 1
> +    description: the I2C address of the magnetometer.

Don't need a description.

> +
> +  gpios:
> +    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.

Need to define how many GPIOs (maxItems: 1).

> +
> +  interrupts:
> +    maxItems: 1
> +    description: interrupt for DRDY pin. Triggered on rising edge.
> +
> +  vdd-supply:
> +    maxItems: 1
> +    description: |
> +      an optional regulator that needs to be on to provide VDD power to
> +      the sensor.
> +
> +  mount-matrix:
> +    description: an optional 3x3 mounting rotation matrix.
> +
> +required:
> +  - compatible
> +  - reg
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        magnetometer@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 */
> +        };
> +    };
> -- 
> 2.17.1
> 



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