36 lines
1.0 KiB
Plaintext
36 lines
1.0 KiB
Plaintext
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Bosch BMP18x-series altimeter driver
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Required properties:
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- compatible : Should be "bosch,bmp180".
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- reg : i2c slave address of the device.
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- vdd-supply : Analog power supply needed to power device.
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- vddio-supply : Digital IO power supply needed for IO and I2C.
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- bosch,chip-id : Chip id for the bmp18x altimeter sensor.
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- bosch,oversample : Sensor default oversampling value.
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Default oversampling value to be used at startup.
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Value range is 0-3 with rising sensitivity.
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- bosch,period : Temperature measurement period (milliseconds).
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Set to zero if unsure.
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Optional properties:
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- bosch,sw-oversample : Boolean to enable software oversampling if
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this property is defined. Only take effect when
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default_oversampling is 3.
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Example:
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i2c@f9925000 {
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bmp180@77 {
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status = "okay";
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reg = <0x77>;
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compatible = "bosch,bmp180";
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vdd-supply = <&pm8110_l19>;
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vddio-supply = <&pm8110_l14>;
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bosch,chip-id = <0x55>;
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bosch,oversample = <3>;
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bosch,period = <1000>;
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bosch,sw-oversample;
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};
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};
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