iio: bmg160: Add SPI driver (b1d125cc) · Commits · 戴 / test

drivers/iio/gyro/Kconfig

+6 −1

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		@@ -56,18 +56,23 @@ config BMG160
		select IIO_BUFFER
		select IIO_TRIGGERED_BUFFER
		select BMG160_I2C if (I2C)
		select BMG160_SPI if (SPI)
		help
		Say yes here to build support for BOSCH BMG160 Tri-axis Gyro Sensor
		driver connected via I2C or SPI. This driver also supports BMI055
		gyroscope.

		This driver can also be built as a module. If so, the module
		will be called bmg160_i2c.
		will be called bmg160_i2c or bmg160_spi.

		config BMG160_I2C
		tristate
		select REGMAP_I2C

		config BMG160_SPI
		tristate
		select REGMAP_SPI

		config HID_SENSOR_GYRO_3D
		depends on HID_SENSOR_HUB
		select IIO_BUFFER

+1 −0

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		@@ -10,6 +10,7 @@ obj-$(CONFIG_ADIS16260) += adis16260.o
		obj-$(CONFIG_ADXRS450) += adxrs450.o
		obj-$(CONFIG_BMG160) += bmg160_core.o
		obj-$(CONFIG_BMG160_I2C) += bmg160_i2c.o
		obj-$(CONFIG_BMG160_SPI) += bmg160_spi.o

		obj-$(CONFIG_HID_SENSOR_GYRO_3D) += hid-sensor-gyro-3d.o

0 → 100644

+57 −0

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		#include <linux/spi/spi.h>
		#include <linux/regmap.h>
		#include <linux/iio/iio.h>
		#include <linux/module.h>

		#include "bmg160.h"

		static const struct regmap_config bmg160_regmap_spi_conf = {
		.reg_bits = 8,
		.val_bits = 8,
		.max_register = 0x3f,
		};

		static int bmg160_spi_probe(struct spi_device *spi)
		{
		struct regmap *regmap;
		const struct spi_device_id *id = spi_get_device_id(spi);

		regmap = devm_regmap_init_spi(spi, &bmg160_regmap_spi_conf);
		if (IS_ERR(regmap)) {
		dev_err(&spi->dev, "Failed to register spi regmap %d\n",
		(int)PTR_ERR(regmap));
		return PTR_ERR(regmap);
		}

		return bmg160_core_probe(&spi->dev, regmap, spi->irq, id->name);
		}

		static int bmg160_spi_remove(struct spi_device *spi)
		{
		bmg160_core_remove(&spi->dev);

		return 0;
		}

		static const struct spi_device_id bmg160_spi_id[] = {
		{"bmg160", 0},
		{"bmi055_gyro", 0},
		{}
		};

		MODULE_DEVICE_TABLE(spi, bmg160_spi_id);

		static struct spi_driver bmg160_spi_driver = {
		.driver = {
		.name = "bmg160_spi",
		.pm = &bmg160_pm_ops,
		},
		.probe = bmg160_spi_probe,
		.remove = bmg160_spi_remove,
		.id_table = bmg160_spi_id,
		};
		module_spi_driver(bmg160_spi_driver);

		MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
		MODULE_LICENSE("GPL v2");
		MODULE_DESCRIPTION("BMG160 SPI Gyro driver");