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   vddd-supply:
  29     description:
  30       digital voltage regulator (see regulator/regulator.txt)
  31
  32   vdda-supply:
  33     description:
  34       analog voltage regulator (see regulator/regulator.txt)
  35
  36   reset-gpios:
  37     description:
  38       A GPIO line handling reset of the sensor. As the line is active low,
  39       it should be marked GPIO_ACTIVE_LOW (see gpio/gpio.txt)
  40     maxItems: 1
  41
  42   interrupts:
  43     description:
  44       interrupt mapping for IRQ (BMP085 only)
  45     maxItems: 1
  46
  47 required:
  48   - compatible
  49   - vddd-supply
  50   - vdda-supply
  51
  52 examples:
  53   - |
  54     #include <dt-bindings/gpio/gpio.h>
  55     #include <dt-bindings/interrupt-controller/irq.h>
  56     i2c0 {
  57       #address-cells = <1>;
  58       #size-cells = <0>;
  59       pressure@77 {
  60           compatible = "bosch,bmp085";
  61           reg = <0x77>;
  62           interrupt-parent = <&gpio0>;
  63           interrupts = <25 IRQ_TYPE_EDGE_RISING>;
  64           reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
  65           vddd-supply = <&foo>;
  66           vdda-supply = <&bar>;
  67       };
  68     };