Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * ADXL372 3-Axis Digital Accelerometer I2C driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright 2018 Analog Devices Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/mod_devicetable.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "adxl372.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) static const struct regmap_config adxl372_regmap_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	.reg_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	.val_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	.readable_noinc_reg = adxl372_readable_noinc_reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) static int adxl372_i2c_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 			     const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	struct regmap *regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	unsigned int regval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	regmap = devm_regmap_init_i2c(client, &adxl372_regmap_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	if (IS_ERR(regmap))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 		return PTR_ERR(regmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	ret = regmap_read(regmap, ADXL372_REVID, &regval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	/* Starting with the 3rd revision an I2C chip bug was fixed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	if (regval < 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		dev_warn(&client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 		"I2C might not work properly with other devices on the bus");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	return adxl372_probe(&client->dev, regmap, client->irq, id->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static const struct i2c_device_id adxl372_i2c_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	{ "adxl372", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) MODULE_DEVICE_TABLE(i2c, adxl372_i2c_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static const struct of_device_id adxl372_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	{ .compatible = "adi,adxl372" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) MODULE_DEVICE_TABLE(of, adxl372_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static struct i2c_driver adxl372_i2c_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 		.name = "adxl372_i2c",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 		.of_match_table = adxl372_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	.probe = adxl372_i2c_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 	.id_table = adxl372_i2c_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) module_i2c_driver(adxl372_i2c_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) MODULE_DESCRIPTION("Analog Devices ADXL372 3-axis accelerometer I2C driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) MODULE_LICENSE("GPL");