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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/pressure/bmp085.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: BMP085/BMP180/BMP280/BME280 pressure iio sensors
maintainers:
- Andreas Klinger <ak@it-klinger.de>
description: |
Pressure, temperature and humidity iio sensors with i2c and spi interfaces
Specifications about the sensor can be found at:
https://www.bosch-sensortec.com/bst/products/all_products/bmp180
https://www.bosch-sensortec.com/bst/products/all_products/bmp280
https://www.bosch-sensortec.com/bst/products/all_products/bme280
properties:
compatible:
enum:
- bosch,bmp085
- bosch,bmp180
- bosch,bmp280
- bosch,bme280
reg:
maxItems: 1
vddd-supply:
description:
digital voltage regulator (see regulator/regulator.txt)
vdda-supply:
description:
analog voltage regulator (see regulator/regulator.txt)
reset-gpios:
description:
A GPIO line handling reset of the sensor. As the line is active low,
it should be marked GPIO_ACTIVE_LOW (see gpio/gpio.txt)
maxItems: 1
interrupts:
description:
interrupt mapping for IRQ (BMP085 only)
maxItems: 1
required:
- compatible
- vddd-supply
- vdda-supply
examples:
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
i2c0 {
#address-cells = <1>;
#size-cells = <0>;
pressure@77 {
compatible = "bosch,bmp085";
reg = <0x77>;
interrupt-parent = <&gpio0>;
interrupts = <25 IRQ_TYPE_EDGE_RISING>;
reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
vddd-supply = <&foo>;
vdda-supply = <&bar>;
};
};
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