Documentation/devicetree/bindings/iio/pressure/bmp085.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/iio/pressure/bmp085.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: BMP085/BMP180/BMP280/BME280 pressure iio sensors
   8
   9 maintainers:
  10   - Andreas Klinger <ak@it-klinger.de>
  11
  12 description: |
  13   Pressure, temperature and humidity iio sensors with i2c and spi interfaces
  14
  15   Specifications about the sensor can be found at:
  16     https://www.bosch-sensortec.com/bst/products/all_products/bmp180
  17     https://www.bosch-sensortec.com/bst/products/all_products/bmp280
  18     https://www.bosch-sensortec.com/bst/products/all_products/bme280
  19
  20 properties:
  21   compatible:
  22     enum:
  23       - bosch,bmp085
  24       - bosch,bmp180
  25       - bosch,bmp280
  26       - bosch,bme280
  27
  28   reg:
  29     maxItems: 1
  30
  31   vddd-supply:
  32     description:
  33       digital voltage regulator (see regulator/regulator.txt)
  34
  35   vdda-supply:
  36     description:
  37       analog voltage regulator (see regulator/regulator.txt)
  38
  39   reset-gpios:
  40     description:
  41       A GPIO line handling reset of the sensor. As the line is active low,
  42       it should be marked GPIO_ACTIVE_LOW (see gpio/gpio.txt)
  43     maxItems: 1
  44
  45   interrupts:
  46     description:
  47       interrupt mapping for IRQ (BMP085 only)
  48     maxItems: 1
  49
  50 required:
  51   - compatible
  52   - vddd-supply
  53   - vdda-supply
  54
  55 additionalProperties: false
  56
  57 examples:
  58   - |
  59     #include <dt-bindings/gpio/gpio.h>
  60     #include <dt-bindings/interrupt-controller/irq.h>
  61     i2c0 {
  62       #address-cells = <1>;
  63       #size-cells = <0>;
  64       pressure@77 {
  65           compatible = "bosch,bmp085";
  66           reg = <0x77>;
  67           interrupt-parent = <&gpio0>;
  68           interrupts = <25 IRQ_TYPE_EDGE_RISING>;
  69           reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
  70           vddd-supply = <&foo>;
  71           vdda-supply = <&bar>;
  72       };
  73     };