linux/drivers/mfd/lp873x.c
Rob Herring dc0c386e09 mfd: Explicitly include correct DT includes
The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.

Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230714174731.4059811-1-robh@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
2023-08-18 21:48:03 +01:00

89 lines
2.0 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016 Texas Instruments Incorporated - https://www.ti.com/
*
* Author: Keerthy <j-keerthy@ti.com>
*/
#include <linux/interrupt.h>
#include <linux/mfd/core.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <linux/mfd/lp873x.h>
static const struct regmap_config lp873x_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = LP873X_REG_MAX,
};
static const struct mfd_cell lp873x_cells[] = {
{ .name = "lp873x-regulator", },
{ .name = "lp873x-gpio", },
};
static int lp873x_probe(struct i2c_client *client)
{
struct lp873x *lp873;
int ret;
unsigned int otpid;
lp873 = devm_kzalloc(&client->dev, sizeof(*lp873), GFP_KERNEL);
if (!lp873)
return -ENOMEM;
lp873->dev = &client->dev;
lp873->regmap = devm_regmap_init_i2c(client, &lp873x_regmap_config);
if (IS_ERR(lp873->regmap)) {
ret = PTR_ERR(lp873->regmap);
dev_err(lp873->dev,
"Failed to initialize register map: %d\n", ret);
return ret;
}
ret = regmap_read(lp873->regmap, LP873X_REG_OTP_REV, &otpid);
if (ret) {
dev_err(lp873->dev, "Failed to read OTP ID\n");
return ret;
}
lp873->rev = otpid & LP873X_OTP_REV_OTP_ID;
i2c_set_clientdata(client, lp873);
ret = mfd_add_devices(lp873->dev, PLATFORM_DEVID_AUTO, lp873x_cells,
ARRAY_SIZE(lp873x_cells), NULL, 0, NULL);
return ret;
}
static const struct of_device_id of_lp873x_match_table[] = {
{ .compatible = "ti,lp8733", },
{ .compatible = "ti,lp8732", },
{}
};
MODULE_DEVICE_TABLE(of, of_lp873x_match_table);
static const struct i2c_device_id lp873x_id_table[] = {
{ "lp873x", 0 },
{ },
};
MODULE_DEVICE_TABLE(i2c, lp873x_id_table);
static struct i2c_driver lp873x_driver = {
.driver = {
.name = "lp873x",
.of_match_table = of_lp873x_match_table,
},
.probe = lp873x_probe,
.id_table = lp873x_id_table,
};
module_i2c_driver(lp873x_driver);
MODULE_AUTHOR("J Keerthy <j-keerthy@ti.com>");
MODULE_DESCRIPTION("LP873X chip family Multi-Function Device driver");
MODULE_LICENSE("GPL v2");