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
  7title: BMP085/BMP180/BMP280/BME280/BMP380 pressure iio sensors
  8
  9maintainers:
 10  - Andreas Klinger <ak@it-klinger.de>
 11
 12description: |
 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    https://www.bosch-sensortec.com/bst/products/all_products/bmp380
 20    https://www.bosch-sensortec.com/bst/products/all_products/bmp580
 21
 22properties:
 23  compatible:
 24    enum:
 25      - bosch,bmp085
 26      - bosch,bmp180
 27      - bosch,bmp280
 28      - bosch,bme280
 29      - bosch,bmp380
 30      - bosch,bmp580
 31
 32  reg:
 33    maxItems: 1
 34
 35  vddd-supply:
 36    description:
 37      digital voltage regulator (see regulator/regulator.txt)
 38
 39  vdda-supply:
 40    description:
 41      analog voltage regulator (see regulator/regulator.txt)
 42
 43  reset-gpios:
 44    description:
 45      A GPIO line handling reset of the sensor. As the line is active low,
 46      it should be marked GPIO_ACTIVE_LOW (see gpio/gpio.txt)
 47    maxItems: 1
 48
 49  interrupts:
 50    maxItems: 1
 51
 52  drive-open-drain:
 53    description:
 54      set if the interrupt pin should be configured as open drain.
 55      If not set, defaults to push-pull configuration.
 56    type: boolean
 57
 58  spi-max-frequency:
 59    maximum: 10000000
 60
 61required:
 62  - compatible
 63  - vddd-supply
 64  - vdda-supply
 65
 66allOf:
 67  - $ref: /schemas/spi/spi-peripheral-props.yaml#
 68  - if:
 69      properties:
 70        compatible:
 71          not:
 72            contains:
 73              enum:
 74                - bosch,bmp085
 75                - bosch,bmp380
 76                - bosch,bmp580
 77    then:
 78      properties:
 79        interrupts: false
 80  - if:
 81      properties:
 82        compatible:
 83          contains:
 84            enum:
 85              - bosch,bmp085
 86              - bosch,bmp180
 87    then:
 88      properties:
 89        spi-max-frequency: false
 90
 91additionalProperties: false
 92
 93examples:
 94  - |
 95    #include <dt-bindings/gpio/gpio.h>
 96    #include <dt-bindings/interrupt-controller/irq.h>
 97    i2c {
 98        #address-cells = <1>;
 99        #size-cells = <0>;
100        pressure@77 {
101            compatible = "bosch,bmp085";
102            reg = <0x77>;
103            interrupt-parent = <&gpio0>;
104            interrupts = <25 IRQ_TYPE_EDGE_RISING>;
105            reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
106            vddd-supply = <&foo>;
107            vdda-supply = <&bar>;
108        };
109    };
110  - |
111    # include <dt-bindings/gpio/gpio.h>
112    spi {
113        #address-cells = <1>;
114        #size-cells = <0>;
115        pressure@0 {
116            compatible = "bosch,bmp280";
117            reg = <0>;
118            spi-max-frequency = <10000000>;
119            reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
120            vddd-supply = <&foo>;
121            vdda-supply = <&bar>;
122        };
123    };