asahi-kasei,ak8975.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/iio/magnetometer/asahi-kasei,ak8975.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: AsahiKASEI AK8975 magnetometer sensor
    8 
    9 maintainers:
   10   - Jonathan Albrieux <jonathan.albrieux@gmail.com>
   11 
   12 properties:
   13   compatible:
   14     oneOf:
   15       - enum:
   16           - asahi-kasei,ak8975
   17           - asahi-kasei,ak8963
   18           - asahi-kasei,ak09911
   19           - asahi-kasei,ak09912
   20           - asahi-kasei,ak09916
   21       - enum:
   22           - ak8975
   23           - ak8963
   24           - ak09911
   25           - ak09912
   26           - ak09916
   27         deprecated: true
   28 
   29   reg:
   30     maxItems: 1
   31 
   32   gpios:
   33     maxItems: 1
   34     description: |
   35       AK8975 has a "Data ready" pin (DRDY) which informs that data
   36       is ready to be read and is possible to listen on it. If used,
   37       this should be active high. Prefer interrupt over this.
   38 
   39   interrupts:
   40     maxItems: 1
   41     description: interrupt for DRDY pin. Triggered on rising edge.
   42 
   43   vdd-supply:
   44     description: |
   45       an optional regulator that needs to be on to provide VDD power to
   46       the sensor.
   47 
   48   vid-supply:
   49     description: |
   50       an optional regulator that needs to be on to provide VID power to
   51       the sensor.
   52 
   53   mount-matrix:
   54     description: an optional 3x3 mounting rotation matrix.
   55 
   56   reset-gpios:
   57     maxItems: 1
   58     description: |
   59       an optional pin needed for AK09911 to set the reset state. This should
   60       be usually active low
   61 
   62 required:
   63   - compatible
   64   - reg
   65 
   66 additionalProperties: false
   67 
   68 examples:
   69   - |
   70     #include <dt-bindings/interrupt-controller/irq.h>
   71     #include <dt-bindings/gpio/gpio.h>
   72     i2c {
   73         #address-cells = <1>;
   74         #size-cells = <0>;
   75 
   76         magnetometer@c {
   77             compatible = "asahi-kasei,ak8975";
   78             reg = <0x0c>;
   79             interrupt-parent = <&gpio6>;
   80             interrupts = <15 IRQ_TYPE_EDGE_RISING>;
   81             vdd-supply = <&ldo_3v3_gnss>;
   82             reset-gpios = <&msmgpio 111 GPIO_ACTIVE_LOW>;
   83             mount-matrix = "-0.984807753012208",  /* x0 */
   84                            "0",                   /* y0 */
   85                            "-0.173648177666930",  /* z0 */
   86                            "0",                   /* x1 */
   87                            "-1",                  /* y1 */
   88                            "0",                   /* z1 */
   89                            "-0.173648177666930",  /* x2 */
   90                            "0",                   /* y2 */
   91                            "0.984807753012208";   /* z2 */
   92         };
   93     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/iio/magnetometer/asahi-kasei,ak8975.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/iio/magnetometer/asahi-kasei,ak8975.yaml