iio: gyro: fxas21002c: add spi driver (4da38f1b) · Commits · 戴 / test

drivers/iio/gyro/Kconfig

+6 −1

Original line number	Diff line number	Diff line
		@@ -78,7 +78,8 @@ config FXAS21002C
		select IIO_BUFFER
		select IIO_TRIGGERED_BUFFER
		select FXAS21002C_I2C if (I2C)
		depends on I2C
		select FXAS21002C_SPI if (SPI)
		depends on (I2C \|\| SPI_MASTER)
		help
		Say yes here to build support for NXP FXAS21002C Tri-axis Gyro
		Sensor driver connected via I2C or SPI.
		@@ -90,6 +91,10 @@ config FXAS21002C_I2C
		tristate
		select REGMAP_I2C

		config FXAS21002C_SPI
		tristate
		select REGMAP_SPI

		config HID_SENSOR_GYRO_3D
		depends on HID_SENSOR_HUB
		select IIO_BUFFER

drivers/iio/gyro/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -14,6 +14,7 @@ obj-$(CONFIG_BMG160_I2C) += bmg160_i2c.o
		obj-$(CONFIG_BMG160_SPI) += bmg160_spi.o
		obj-$(CONFIG_FXAS21002C) += fxas21002c_core.o
		obj-$(CONFIG_FXAS21002C_I2C) += fxas21002c_i2c.o
		obj-$(CONFIG_FXAS21002C_SPI) += fxas21002c_spi.o

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

drivers/iio/gyro/fxas21002c_spi.c

0 → 100644

+70 −0

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0
		/*
		* Driver for NXP Fxas21002c Gyroscope - SPI
		*
		* Copyright (C) 2019 Linaro Ltd.
		*/

		#include <linux/err.h>
		#include <linux/mod_devicetable.h>
		#include <linux/module.h>
		#include <linux/regmap.h>
		#include <linux/spi/spi.h>

		#include "fxas21002c.h"

		static const struct regmap_config fxas21002c_regmap_spi_conf = {
		.reg_bits = 8,
		.val_bits = 8,
		.max_register = FXAS21002C_REG_CTRL3,
		};

		static int fxas21002c_spi_probe(struct spi_device *spi)
		{
		const struct spi_device_id *id = spi_get_device_id(spi);
		struct regmap *regmap;

		regmap = devm_regmap_init_spi(spi, &fxas21002c_regmap_spi_conf);
		if (IS_ERR(regmap)) {
		dev_err(&spi->dev, "Failed to register spi regmap: %ld\n",
		PTR_ERR(regmap));
		return PTR_ERR(regmap);
		}

		return fxas21002c_core_probe(&spi->dev, regmap, spi->irq, id->name);
		}

		static int fxas21002c_spi_remove(struct spi_device *spi)
		{
		fxas21002c_core_remove(&spi->dev);

		return 0;
		}

		static const struct spi_device_id fxas21002c_spi_id[] = {
		{ "fxas21002c", 0 },
		{ }
		};
		MODULE_DEVICE_TABLE(spi, fxas21002c_spi_id);

		static const struct of_device_id fxas21002c_spi_of_match[] = {
		{ .compatible = "nxp,fxas21002c", },
		{ }
		};
		MODULE_DEVICE_TABLE(of, fxas21002c_spi_of_match);

		static struct spi_driver fxas21002c_spi_driver = {
		.driver = {
		.name = "fxas21002c_spi",
		.pm = &fxas21002c_pm_ops,
		.of_match_table = fxas21002c_spi_of_match,
		},
		.probe = fxas21002c_spi_probe,
		.remove = fxas21002c_spi_remove,
		.id_table = fxas21002c_spi_id,
		};
		module_spi_driver(fxas21002c_spi_driver);

		MODULE_AUTHOR("Rui Miguel Silva <rui.silva@linaro.org>");
		MODULE_LICENSE("GPL v2");
		MODULE_DESCRIPTION("FXAS21002C SPI Gyro driver");

Admin message