From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/iio/humidity/hts221_i2c.c | 76 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 drivers/iio/humidity/hts221_i2c.c (limited to 'drivers/iio/humidity/hts221_i2c.c') diff --git a/drivers/iio/humidity/hts221_i2c.c b/drivers/iio/humidity/hts221_i2c.c new file mode 100644 index 0000000000..30f2068ea1 --- /dev/null +++ b/drivers/iio/humidity/hts221_i2c.c @@ -0,0 +1,76 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * STMicroelectronics hts221 i2c driver + * + * Copyright 2016 STMicroelectronics Inc. + * + * Lorenzo Bianconi + */ + +#include +#include +#include +#include +#include +#include + +#include "hts221.h" + +#define HTS221_I2C_AUTO_INCREMENT BIT(7) + +static const struct regmap_config hts221_i2c_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .write_flag_mask = HTS221_I2C_AUTO_INCREMENT, + .read_flag_mask = HTS221_I2C_AUTO_INCREMENT, +}; + +static int hts221_i2c_probe(struct i2c_client *client) +{ + struct regmap *regmap; + + regmap = devm_regmap_init_i2c(client, &hts221_i2c_regmap_config); + if (IS_ERR(regmap)) { + dev_err(&client->dev, "Failed to register i2c regmap %ld\n", + PTR_ERR(regmap)); + return PTR_ERR(regmap); + } + + return hts221_probe(&client->dev, client->irq, + client->name, regmap); +} + +static const struct acpi_device_id hts221_acpi_match[] = { + {"SMO9100", 0}, + { }, +}; +MODULE_DEVICE_TABLE(acpi, hts221_acpi_match); + +static const struct of_device_id hts221_i2c_of_match[] = { + { .compatible = "st,hts221", }, + {}, +}; +MODULE_DEVICE_TABLE(of, hts221_i2c_of_match); + +static const struct i2c_device_id hts221_i2c_id_table[] = { + { HTS221_DEV_NAME }, + {}, +}; +MODULE_DEVICE_TABLE(i2c, hts221_i2c_id_table); + +static struct i2c_driver hts221_driver = { + .driver = { + .name = "hts221_i2c", + .pm = pm_sleep_ptr(&hts221_pm_ops), + .of_match_table = hts221_i2c_of_match, + .acpi_match_table = ACPI_PTR(hts221_acpi_match), + }, + .probe = hts221_i2c_probe, + .id_table = hts221_i2c_id_table, +}; +module_i2c_driver(hts221_driver); + +MODULE_AUTHOR("Lorenzo Bianconi "); +MODULE_DESCRIPTION("STMicroelectronics hts221 i2c driver"); +MODULE_LICENSE("GPL v2"); +MODULE_IMPORT_NS(IIO_HTS221); -- cgit v1.2.3