Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * STMicroelectronics hts221 i2c driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright 2016 STMicroelectronics Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Lorenzo Bianconi <lorenzo.bianconi@st.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "hts221.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define HTS221_I2C_AUTO_INCREMENT	BIT(7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) static const struct regmap_config hts221_i2c_regmap_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	.reg_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	.val_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	.write_flag_mask = HTS221_I2C_AUTO_INCREMENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	.read_flag_mask = HTS221_I2C_AUTO_INCREMENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static int hts221_i2c_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 			    const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	struct regmap *regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	regmap = devm_regmap_init_i2c(client, &hts221_i2c_regmap_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	if (IS_ERR(regmap)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		dev_err(&client->dev, "Failed to register i2c regmap %ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 			PTR_ERR(regmap));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		return PTR_ERR(regmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	return hts221_probe(&client->dev, client->irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 			    client->name, regmap);
^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 acpi_device_id hts221_acpi_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	{"SMO9100", 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(acpi, hts221_acpi_match);
^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 hts221_i2c_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	{ .compatible = "st,hts221", },
^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, hts221_i2c_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static const struct i2c_device_id hts221_i2c_id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	{ HTS221_DEV_NAME },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	{},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) MODULE_DEVICE_TABLE(i2c, hts221_i2c_id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static struct i2c_driver hts221_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 		.name = "hts221_i2c",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 		.pm = &hts221_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 		.of_match_table = hts221_i2c_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 		.acpi_match_table = ACPI_PTR(hts221_acpi_match),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	.probe = hts221_i2c_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 	.id_table = hts221_i2c_id_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) module_i2c_driver(hts221_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) MODULE_DESCRIPTION("STMicroelectronics hts221 i2c driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) MODULE_LICENSE("GPL v2");