[PATCH v3 3/5] dt-bindings: iio: pressure: Add MS5637
Louis Adamian <[email protected]>
| Newsgroups | org.kernel.vger.linux-iio,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Create meas,ms5637 devicetree binding and move existing devices from trivial-devices.yaml. Explicit compatible strings are added for the different sub-variants because each requires different constants for the second-order temperature compensation formulas. Previously, the driver exposed the generic compatibles for the ms5637, MS5803, MS5805 and MS5837 families and applied the MS5637-02BA compensation to all of them. To preserve the DT ABI the existing compatibles are retained and mapped to the -02BA variant of each family (ms5637-02ba, ms5803-02ba, ms5837-02ba). Signed-off-by: Louis Adamian <[email protected]> --- .../bindings/iio/pressure/meas,ms5637.yaml | 93 +++++++++++++++++++ .../devicetree/bindings/trivial-devices.yaml | 10 -- 2 files changed, 93 insertions(+), 10 deletions(-) create mode 100644 Documentation/devicetree/bindings/iio/pressure/meas,ms5637.yaml diff --git a/Documentation/devicetree/bindings/iio/pressure/meas,ms5637.yaml b/Documentation/devicetree/bindings/iio/pressure/meas,ms5637.yaml new file mode 100644 index 000000000000..befd81d1907b --- /dev/null +++ b/Documentation/devicetree/bindings/iio/pressure/meas,ms5637.yaml @@ -0,0 +1,93 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/pressure/meas,ms5637.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# +title: Measurement Specialties ms5637 and similar pressure sensors + +maintainers: + - Louis Adamian <[email protected]> + +description: + Measurement Specialties pressure and temperature sensors. The MS5803 + family supports both I2C and SPI interfaces. All other variants are I2C only. + +properties: + compatible: + oneOf: + - enum: + - meas,ms5637-02ba + - meas,ms5637-30ba + - meas,ms5803-01ba + - meas,ms5803-02ba + - meas,ms5803-05ba + - meas,ms5803-14ba + - meas,ms5803-30ba + - meas,ms5805 + - meas,ms5837-02ba + - meas,ms5837-30ba + - meas,ms8607-temppressure + # These generic compatible strings do not identify the sub-variants of + # the part. They are retained so that existing device trees continue + # to bind, and each is treated as the -02BA variant of its family. + - enum: + - meas,ms5637 + - meas,ms5803 + - meas,ms5837 + deprecated: true + + reg: + maxItems: 1 + + vdd-supply: + description: Regulator that provides power to the sensor + +required: + - compatible + - reg + - vdd-supply + +allOf: + - if: + properties: + compatible: + contains: + enum: + - meas,ms5803 + - meas,ms5803-01ba + - meas,ms5803-02ba + - meas,ms5803-05ba + - meas,ms5803-14ba + - meas,ms5803-30ba + then: + $ref: /schemas/spi/spi-peripheral-props.yaml# + properties: + spi-max-frequency: + maximum: 20000000 + +unevaluatedProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pressure@76 { + compatible = "meas,ms5637-02ba"; + reg = <0x76>; + vdd-supply = <&vcc_3v3>; + }; + }; + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + pressure@0 { + compatible = "meas,ms5803-14ba"; + reg = <0>; + vdd-supply = <&vcc_3v3>; + spi-max-frequency = <20000000>; + }; + }; diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml index 435c4baab436..2671040e8802 100644 --- a/Documentation/devicetree/bindings/trivial-devices.yaml +++ b/Documentation/devicetree/bindings/trivial-devices.yaml @@ -240,18 +240,8 @@ properties: - meas,htu21 # Measurement Specialities I2C temperature and humidity sensor - meas,htu31 - # Measurement Specialities I2C pressure and temperature sensor - - meas,ms5637 - # Measurement Specialities I2C pressure and temperature sensor - - meas,ms5803 - # Measurement Specialities I2C pressure and temperature sensor - - meas,ms5805 - # Measurement Specialities I2C pressure and temperature sensor - - meas,ms5837 # Measurement Specialities temp and humidity part of ms8607 device - meas,ms8607-humidity - # Measurement Specialities temp and pressure part of ms8607 device - - meas,ms8607-temppressure # Measurement Specialties temperature sensor - meas,tsys01 # MEMSIC magnetometer -- 2.55.0