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 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
20properties:
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    maxItems: 1
32
33  vdda-supply:
34    description:
35      analog voltage regulator (see regulator/regulator.txt)
36    maxItems: 1
37
38  reset-gpios:
39    description:
40      A GPIO line handling reset of the sensor. As the line is active low,
41      it should be marked GPIO_ACTIVE_LOW (see gpio/gpio.txt)
42    maxItems: 1
43
44  interrupts:
45    description:
46      interrupt mapping for IRQ (BMP085 only)
47    maxItems: 1
48
49required:
50  - compatible
51  - vddd-supply
52  - vdda-supply
53
54examples:
55  - |
56    #include <dt-bindings/gpio/gpio.h>
57    #include <dt-bindings/interrupt-controller/irq.h>
58    i2c0 {
59      #address-cells = <1>;
60      #size-cells = <0>;
61      pressure@77 {
62          compatible = "bosch,bmp085";
63          reg = <0x77>;
64          interrupt-parent = <&gpio0>;
65          interrupts = <25 IRQ_TYPE_EDGE_RISING>;
66          reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
67          vddd-supply = <&foo>;
68          vdda-supply = <&bar>;
69      };
70    };
71