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iio: si7020: Add devicetree support and trivial bindings 

This adds devicetree support for the si7020 iio driver. Since it works
well without requiring any additional property, its compatible string is
added to the trivial i2c devices bindings list.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Paul Kocialkowski 2016-10-25 21:20:10 +02:00 committed by Jonathan Cameron
parent d1c6753412
commit b0d8019854
2 changed files with 11 additions and 1 deletions
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1
Documentation/devicetree/bindings/i2c/trivial-devices.txt
View File

@ -152,6 +152,7 @@ ricoh,rv5c387a I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC
samsung,24ad0xd1 S524AD0XF1 (128K/256K-bit Serial EEPROM for Low Power)
sgx,vz89x SGX Sensortech VZ89X Sensors
sii,s35390a 2-wire CMOS real-time clock
silabs,si7020 Relative Humidity and Temperature Sensors
skyworks,sky81452 Skyworks SKY81452: Six-Channel White LED Driver with Touch Panel Bias Supply
st,24c256 i2c serial eeprom (24cxx)
st,m41t00 Serial real-time clock (RTC)

11
drivers/iio/humidity/si7020.c
View File

@ -154,8 +154,17 @@ static const struct i2c_device_id si7020_id[] = {
};
MODULE_DEVICE_TABLE(i2c, si7020_id);
static const struct of_device_id si7020_dt_ids[] = {
{ .compatible = "silabs,si7020" },
{ }
};
MODULE_DEVICE_TABLE(of, si7020_dt_ids);
static struct i2c_driver si7020_driver = {
.driver.name = "si7020",
.driver = {
.name = "si7020",
.of_match_table = of_match_ptr(si7020_dt_ids),
},
.probe = si7020_probe,
.id_table = si7020_id,
};