forked from luck/tmp_suning_uos_patched
2874c5fd28
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
93 lines
2.0 KiB
C
93 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* MFD driver for Active-semi ACT8945a PMIC
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*
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* Copyright (C) 2015 Atmel Corporation.
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*
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* Author: Wenyou Yang <wenyou.yang@atmel.com>
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*/
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#include <linux/i2c.h>
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#include <linux/mfd/core.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/regmap.h>
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static const struct mfd_cell act8945a_devs[] = {
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{
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.name = "act8945a-regulator",
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},
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{
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.name = "act8945a-charger",
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.of_compatible = "active-semi,act8945a-charger",
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},
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};
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static const struct regmap_config act8945a_regmap_config = {
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.reg_bits = 8,
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.val_bits = 8,
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};
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static int act8945a_i2c_probe(struct i2c_client *i2c,
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const struct i2c_device_id *id)
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{
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int ret;
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struct regmap *regmap;
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regmap = devm_regmap_init_i2c(i2c, &act8945a_regmap_config);
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if (IS_ERR(regmap)) {
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ret = PTR_ERR(regmap);
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dev_err(&i2c->dev, "regmap init failed: %d\n", ret);
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return ret;
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}
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i2c_set_clientdata(i2c, regmap);
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ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_NONE,
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act8945a_devs, ARRAY_SIZE(act8945a_devs),
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NULL, 0, NULL);
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if (ret) {
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dev_err(&i2c->dev, "Failed to add sub devices\n");
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return ret;
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}
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return 0;
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}
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static const struct i2c_device_id act8945a_i2c_id[] = {
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{ "act8945a", 0 },
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{}
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};
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MODULE_DEVICE_TABLE(i2c, act8945a_i2c_id);
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static const struct of_device_id act8945a_of_match[] = {
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{ .compatible = "active-semi,act8945a", },
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{},
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};
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MODULE_DEVICE_TABLE(of, act8945a_of_match);
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static struct i2c_driver act8945a_i2c_driver = {
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.driver = {
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.name = "act8945a",
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.of_match_table = of_match_ptr(act8945a_of_match),
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},
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.probe = act8945a_i2c_probe,
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.id_table = act8945a_i2c_id,
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};
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static int __init act8945a_i2c_init(void)
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{
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return i2c_add_driver(&act8945a_i2c_driver);
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}
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subsys_initcall(act8945a_i2c_init);
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static void __exit act8945a_i2c_exit(void)
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{
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i2c_del_driver(&act8945a_i2c_driver);
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}
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module_exit(act8945a_i2c_exit);
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MODULE_DESCRIPTION("ACT8945A PMIC multi-function driver");
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MODULE_AUTHOR("Wenyou Yang <wenyou.yang@atmel.com>");
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MODULE_LICENSE("GPL");
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