mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-15 16:24:13 +08:00
9816d85923
After commitb8a1a4cd5a("i2c: Provide a temporary .probe_new() call-back type"), all drivers being converted to .probe_new() and then03c835f498("i2c: Switch .probe() to not take an id parameter") convert back to (the new) .probe() to be able to eventually drop .probe_new() from struct i2c_driver. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20230515182752.10050-1-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
89 lines
2.0 KiB
C
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/module.h>
|
|
#include <linux/of_device.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");
|