iio: imu: st_lsm6dsx: add i3c basic support for LSM6DSO and LSM6DSR (2660b008) · Commits · 戴 / test

drivers/iio/imu/st_lsm6dsx/Kconfig

+7 −1

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		@@ -2,11 +2,12 @@

		config IIO_ST_LSM6DSX
		tristate "ST_LSM6DSx driver for STM 6-axis IMU MEMS sensors"
		depends on (I2C \|\| SPI)
		depends on (I2C \|\| SPI \|\| I3C)
		select IIO_BUFFER
		select IIO_KFIFO_BUF
		select IIO_ST_LSM6DSX_I2C if (I2C)
		select IIO_ST_LSM6DSX_SPI if (SPI_MASTER)
		select IIO_ST_LSM6DSX_I3C if (I3C)
		help
		Say yes here to build support for STMicroelectronics LSM6DSx imu
		sensor. Supported devices: lsm6ds3, lsm6ds3h, lsm6dsl, lsm6dsm,
		@@ -24,3 +25,8 @@ config IIO_ST_LSM6DSX_SPI
		tristate
		depends on IIO_ST_LSM6DSX
		select REGMAP_SPI

		config IIO_ST_LSM6DSX_I3C
		tristate
		depends on IIO_ST_LSM6DSX
		select REGMAP_I3C

+1 −0

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		@@ -5,3 +5,4 @@ st_lsm6dsx-y := st_lsm6dsx_core.o st_lsm6dsx_buffer.o \
		obj-$(CONFIG_IIO_ST_LSM6DSX) += st_lsm6dsx.o
		obj-$(CONFIG_IIO_ST_LSM6DSX_I2C) += st_lsm6dsx_i2c.o
		obj-$(CONFIG_IIO_ST_LSM6DSX_SPI) += st_lsm6dsx_spi.o
		obj-$(CONFIG_IIO_ST_LSM6DSX_I3C) += st_lsm6dsx_i3c.o

0 → 100644

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		// SPDX-License-Identifier: GPL-2.0
		/*
		* Copyright (c) 2018 Synopsys, Inc. and/or its affiliates.
		*
		* Author: Vitor Soares <vitor.soares@synopsys.com>
		*/

		#include <linux/kernel.h>
		#include <linux/module.h>
		#include <linux/i3c/device.h>
		#include <linux/i3c/master.h>
		#include <linux/slab.h>
		#include <linux/of.h>
		#include <linux/regmap.h>

		#include "st_lsm6dsx.h"

		static const struct i3c_device_id st_lsm6dsx_i3c_ids[] = {
		I3C_DEVICE(0x0104, 0x006C, (void *)ST_LSM6DSO_ID),
		I3C_DEVICE(0x0104, 0x006B, (void *)ST_LSM6DSR_ID),
		{ /* sentinel */ },
		};
		MODULE_DEVICE_TABLE(i3c, st_lsm6dsx_i3c_ids);

		static int st_lsm6dsx_i3c_probe(struct i3c_device *i3cdev)
		{
		struct regmap_config st_lsm6dsx_i3c_regmap_config = {
		.reg_bits = 8,
		.val_bits = 8,
		};
		const struct i3c_device_id *id = i3c_device_match_id(i3cdev,
		st_lsm6dsx_i3c_ids);
		struct regmap *regmap;

		regmap = devm_regmap_init_i3c(i3cdev, &st_lsm6dsx_i3c_regmap_config);
		if (IS_ERR(regmap)) {
		dev_err(&i3cdev->dev, "Failed to register i3c regmap %d\n",
		(int)PTR_ERR(regmap));
		return PTR_ERR(regmap);
		}

		return st_lsm6dsx_probe(&i3cdev->dev, 0, (uintptr_t)id->data, regmap);
		}

		static struct i3c_driver st_lsm6dsx_driver = {
		.driver = {
		.name = "st_lsm6dsx_i3c",
		.pm = &st_lsm6dsx_pm_ops,
		},
		.probe = st_lsm6dsx_i3c_probe,
		.id_table = st_lsm6dsx_i3c_ids,
		};
		module_i3c_driver(st_lsm6dsx_driver);

		MODULE_AUTHOR("Vitor Soares <vitor.soares@synopsys.com>");
		MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx i3c driver");
		MODULE_LICENSE("GPL v2");