From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/iio/accel/adxl313_i2c.c | 97 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 drivers/iio/accel/adxl313_i2c.c (limited to 'drivers/iio/accel/adxl313_i2c.c') diff --git a/drivers/iio/accel/adxl313_i2c.c b/drivers/iio/accel/adxl313_i2c.c new file mode 100644 index 000000000..68785bd3e --- /dev/null +++ b/drivers/iio/accel/adxl313_i2c.c @@ -0,0 +1,97 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * ADXL313 3-Axis Digital Accelerometer + * + * Copyright (c) 2021 Lucas Stankus + * + * Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADXL313.pdf + */ + +#include +#include +#include +#include + +#include "adxl313.h" + +static const struct regmap_config adxl31x_i2c_regmap_config[] = { + [ADXL312] = { + .reg_bits = 8, + .val_bits = 8, + .rd_table = &adxl312_readable_regs_table, + .wr_table = &adxl312_writable_regs_table, + .max_register = 0x39, + }, + [ADXL313] = { + .reg_bits = 8, + .val_bits = 8, + .rd_table = &adxl313_readable_regs_table, + .wr_table = &adxl313_writable_regs_table, + .max_register = 0x39, + }, + [ADXL314] = { + .reg_bits = 8, + .val_bits = 8, + .rd_table = &adxl314_readable_regs_table, + .wr_table = &adxl314_writable_regs_table, + .max_register = 0x39, + }, +}; + +static const struct i2c_device_id adxl313_i2c_id[] = { + { .name = "adxl312", .driver_data = (kernel_ulong_t)&adxl31x_chip_info[ADXL312] }, + { .name = "adxl313", .driver_data = (kernel_ulong_t)&adxl31x_chip_info[ADXL313] }, + { .name = "adxl314", .driver_data = (kernel_ulong_t)&adxl31x_chip_info[ADXL314] }, + { } +}; + +MODULE_DEVICE_TABLE(i2c, adxl313_i2c_id); + +static const struct of_device_id adxl313_of_match[] = { + { .compatible = "adi,adxl312", .data = &adxl31x_chip_info[ADXL312] }, + { .compatible = "adi,adxl313", .data = &adxl31x_chip_info[ADXL313] }, + { .compatible = "adi,adxl314", .data = &adxl31x_chip_info[ADXL314] }, + { } +}; + +MODULE_DEVICE_TABLE(of, adxl313_of_match); + +static int adxl313_i2c_probe(struct i2c_client *client) +{ + const struct adxl313_chip_info *chip_data; + struct regmap *regmap; + + /* + * Retrieves device specific data as a pointer to a + * adxl313_chip_info structure + */ + chip_data = device_get_match_data(&client->dev); + if (!chip_data) + chip_data = (const struct adxl313_chip_info *)i2c_match_id(adxl313_i2c_id, client)->driver_data; + + regmap = devm_regmap_init_i2c(client, + &adxl31x_i2c_regmap_config[chip_data->type]); + if (IS_ERR(regmap)) { + dev_err(&client->dev, "Error initializing i2c regmap: %ld\n", + PTR_ERR(regmap)); + return PTR_ERR(regmap); + } + + return adxl313_core_probe(&client->dev, regmap, chip_data, NULL); +} + +static struct i2c_driver adxl313_i2c_driver = { + .driver = { + .name = "adxl313_i2c", + .of_match_table = adxl313_of_match, + }, + .probe_new = adxl313_i2c_probe, + .id_table = adxl313_i2c_id, +}; + +module_i2c_driver(adxl313_i2c_driver); + +MODULE_AUTHOR("Lucas Stankus "); +MODULE_DESCRIPTION("ADXL313 3-Axis Digital Accelerometer I2C driver"); +MODULE_LICENSE("GPL v2"); +MODULE_IMPORT_NS(IIO_ADXL313); -- cgit v1.2.3