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
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
47required:
48  - compatible
49  - vddd-supply
50  - vdda-supply
51
52examples:
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    };
69