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  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
50required:
51  - compatible
52  - vddd-supply
53  - vdda-supply
54
55additionalProperties: false
56
57examples:
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    };
74