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Commit 78f50271 authored by Linus Walleij's avatar Linus Walleij Committed by Jonathan Cameron
Browse files

iio: pressure: bmp280: support device tree initialization 



This adds device tree support to the BMP085, BMP180 and BMP280
pressure sensors. Tested on the Qualcomm APQ8060 Dragonboard:

iio:device1$ cat in_temp_input
26700
iio:device1$ cat in_pressure_input
99.185000000

Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 8d2c7ef8

drivers/iio/pressure/bmp280.c

+15 −0
Original line number Original line Diff line number Diff line
@@ -18,6 +18,7 @@ 
#include <linux/module.h>

#include <linux/module.h>

#include <linux/i2c.h>

#include <linux/i2c.h>

#include <linux/acpi.h>

#include <linux/acpi.h>

#include <linux/of.h>

#include <linux/regmap.h>

#include <linux/regmap.h>

#include <linux/delay.h>

#include <linux/delay.h>

#include <linux/iio/iio.h>

#include <linux/iio/iio.h>
@@ -1094,6 +1095,19 @@ static const struct acpi_device_id bmp280_acpi_match[] = { 
};

};

MODULE_DEVICE_TABLE(acpi, bmp280_acpi_match);

MODULE_DEVICE_TABLE(acpi, bmp280_acpi_match);





#ifdef CONFIG_OF

static const struct of_device_id bmp280_of_match[] = {

	{ .compatible = "bosch,bme280", .data = (void *)BME280_CHIP_ID },

	{ .compatible = "bosch,bmp280", .data = (void *)BMP280_CHIP_ID },

	{ .compatible = "bosch,bmp180", .data = (void *)BMP180_CHIP_ID },

	{ .compatible = "bosch,bmp085", .data = (void *)BMP180_CHIP_ID },

	{ },

};

MODULE_DEVICE_TABLE(of, bmp280_of_match);

#else

#define bmp280_of_match NULL

#endif



static const struct i2c_device_id bmp280_id[] = {

static const struct i2c_device_id bmp280_id[] = {

	{"bmp280", BMP280_CHIP_ID },

	{"bmp280", BMP280_CHIP_ID },

	{"bmp180", BMP180_CHIP_ID },

	{"bmp180", BMP180_CHIP_ID },
@@ -1107,6 +1121,7 @@ static struct i2c_driver bmp280_driver = { 
	.driver = {

	.driver = {

		.name	= "bmp280",

		.name	= "bmp280",

		.acpi_match_table = ACPI_PTR(bmp280_acpi_match),

		.acpi_match_table = ACPI_PTR(bmp280_acpi_match),

		.of_match_table = of_match_ptr(bmp280_of_match),

	},

	},

	.probe		= bmp280_probe,

	.probe		= bmp280_probe,

	.id_table	= bmp280_id,

	.id_table	= bmp280_id,