xref: /linux/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml (revision 2eff01ee2881becc9daaa0d53477ec202136b1f4) 
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
58required:
59  - compatible
60  - vddd-supply
61  - vdda-supply
62
63allOf:
64  - if:
65      properties:
66        compatible:
67          not:
68            contains:
69              enum:
70                - bosch,bmp085
71                - bosch,bmp380
72                - bosch,bmp580
73    then:
74      properties:
75        interrupts: false
76
77additionalProperties: false
78
79examples:
80  - |
81    #include <dt-bindings/gpio/gpio.h>
82    #include <dt-bindings/interrupt-controller/irq.h>
83    i2c {
84        #address-cells = <1>;
85        #size-cells = <0>;
86        pressure@77 {
87            compatible = "bosch,bmp085";
88            reg = <0x77>;
89            interrupt-parent = <&gpio0>;
90            interrupts = <25 IRQ_TYPE_EDGE_RISING>;
91            reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
92            vddd-supply = <&foo>;
93            vdda-supply = <&bar>;
94        };
95    };
96