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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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4358b76480
The BMP{2,3,5}80 and BME280 devices have an SPI interface, so include it
in the device-tree.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://patch.msgid.link/20241209233845.29539-2-vassilisamir@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
125 lines
3.0 KiB
YAML
125 lines
3.0 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/iio/pressure/bmp085.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: BMP085/BMP180/BMP280/BME280/BMP380 pressure iio sensors
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maintainers:
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- Andreas Klinger <ak@it-klinger.de>
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description: |
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Pressure, temperature and humidity iio sensors with i2c and spi interfaces
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Specifications about the sensor can be found at:
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https://www.bosch-sensortec.com/bst/products/all_products/bmp180
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https://www.bosch-sensortec.com/bst/products/all_products/bmp280
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https://www.bosch-sensortec.com/bst/products/all_products/bme280
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https://www.bosch-sensortec.com/bst/products/all_products/bmp380
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https://www.bosch-sensortec.com/bst/products/all_products/bmp580
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properties:
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compatible:
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enum:
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- bosch,bmp085
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- bosch,bmp180
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- bosch,bmp280
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- bosch,bme280
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- bosch,bmp380
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- bosch,bmp580
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reg:
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maxItems: 1
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vddd-supply:
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description:
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digital voltage regulator (see regulator/regulator.txt)
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vdda-supply:
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description:
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analog voltage regulator (see regulator/regulator.txt)
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reset-gpios:
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description:
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A GPIO line handling reset of the sensor. As the line is active low,
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it should be marked GPIO_ACTIVE_LOW (see gpio/gpio.txt)
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maxItems: 1
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interrupts:
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maxItems: 1
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drive-open-drain:
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description:
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set if the interrupt pin should be configured as open drain.
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If not set, defaults to push-pull configuration.
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type: boolean
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spi-max-frequency:
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maximum: 10000000
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required:
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- compatible
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- vddd-supply
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- vdda-supply
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allOf:
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- $ref: /schemas/spi/spi-peripheral-props.yaml#
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- if:
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properties:
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compatible:
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not:
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contains:
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enum:
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- bosch,bmp085
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- bosch,bmp380
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- bosch,bmp580
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then:
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properties:
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interrupts: false
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- if:
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properties:
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compatible:
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contains:
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enum:
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- bosch,bmp085
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- bosch,bmp180
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then:
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properties:
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spi-max-frequency: false
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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pressure@77 {
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compatible = "bosch,bmp085";
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reg = <0x77>;
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interrupt-parent = <&gpio0>;
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interrupts = <25 IRQ_TYPE_EDGE_RISING>;
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reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
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vddd-supply = <&foo>;
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vdda-supply = <&bar>;
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};
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};
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- |
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# include <dt-bindings/gpio/gpio.h>
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# include <dt-bindings/interrupt-controller/irq.h>
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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pressure@0 {
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compatible = "bosch,bmp280";
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reg = <0>;
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spi-max-frequency = <10000000>;
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reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
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vddd-supply = <&foo>;
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vdda-supply = <&bar>;
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};
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};
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