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https://github.com/torvalds/linux
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dc0c386e09
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>
99 lines
2.2 KiB
C
99 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/* I2C access for DA9055 PMICs.
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*
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* Copyright(c) 2012 Dialog Semiconductor Ltd.
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*
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* Author: David Dajun Chen <dchen@diasemi.com>
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*/
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#include <linux/module.h>
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#include <linux/device.h>
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#include <linux/i2c.h>
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#include <linux/err.h>
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#include <linux/of.h>
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#include <linux/mfd/da9055/core.h>
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static int da9055_i2c_probe(struct i2c_client *i2c)
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{
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struct da9055 *da9055;
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int ret;
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da9055 = devm_kzalloc(&i2c->dev, sizeof(struct da9055), GFP_KERNEL);
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if (!da9055)
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return -ENOMEM;
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da9055->regmap = devm_regmap_init_i2c(i2c, &da9055_regmap_config);
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if (IS_ERR(da9055->regmap)) {
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ret = PTR_ERR(da9055->regmap);
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dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
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ret);
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return ret;
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}
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da9055->dev = &i2c->dev;
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da9055->chip_irq = i2c->irq;
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i2c_set_clientdata(i2c, da9055);
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return da9055_device_init(da9055);
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}
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static void da9055_i2c_remove(struct i2c_client *i2c)
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{
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struct da9055 *da9055 = i2c_get_clientdata(i2c);
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da9055_device_exit(da9055);
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}
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/*
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* DO NOT change the device Ids. The naming is intentionally specific as both
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* the PMIC and CODEC parts of this chip are instantiated separately as I2C
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* devices (both have configurable I2C addresses, and are to all intents and
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* purposes separate). As a result there are specific DA9055 ids for PMIC
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* and CODEC, which must be different to operate together.
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*/
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static const struct i2c_device_id da9055_i2c_id[] = {
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{"da9055-pmic", 0},
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, da9055_i2c_id);
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static const struct of_device_id da9055_of_match[] = {
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{ .compatible = "dlg,da9055-pmic", },
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{ }
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};
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static struct i2c_driver da9055_i2c_driver = {
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.probe = da9055_i2c_probe,
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.remove = da9055_i2c_remove,
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.id_table = da9055_i2c_id,
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.driver = {
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.name = "da9055-pmic",
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.of_match_table = da9055_of_match,
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},
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};
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static int __init da9055_i2c_init(void)
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{
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int ret;
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ret = i2c_add_driver(&da9055_i2c_driver);
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if (ret != 0) {
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pr_err("DA9055 I2C registration failed %d\n", ret);
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return ret;
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}
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return 0;
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}
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subsys_initcall(da9055_i2c_init);
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static void __exit da9055_i2c_exit(void)
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{
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i2c_del_driver(&da9055_i2c_driver);
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}
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module_exit(da9055_i2c_exit);
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MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
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MODULE_DESCRIPTION("I2C driver for Dialog DA9055 PMIC");
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