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

From: Jonathan Albrieux
Date: Wed May 27 2020 - 11:30:13 EST


On Tue, May 26, 2020 at 04:28:47PM -0600, Rob Herring wrote:
> 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.
>

Thank you, I'll keep that in mind for future works like this one

>
> > 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).
>

Ok, I'll edit those fields as soon as possible, thank you,

Best regards,
Jonathan Albrieux

> > +
> > + 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
> >