// SPDX-License-Identifier: GPL-2.0
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/*
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* rk806-i2c.c -- I2C access for Rockchip RK806
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*
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* Copyright (c) 2023 Rockchip Electronics Co., Ltd.
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*
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* Author: Xu Shengfei <xsf@rock-chips.com>
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*/
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#include <linux/i2c.h>
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#include <linux/mfd/rk806.h>
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#include <linux/regmap.h>
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static int rk806_i2c_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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struct rk806 *rk806;
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rk806 = devm_kzalloc(&client->dev, sizeof(*rk806), GFP_KERNEL);
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if (!rk806)
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return -ENOMEM;
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i2c_set_clientdata(client, rk806);
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rk806->dev = &client->dev;
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rk806->irq = client->irq;
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if (!client->irq) {
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dev_err(&client->dev, "No interrupt support, no core IRQ\n");
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return -EINVAL;
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}
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rk806->regmap = devm_regmap_init_i2c(client, &rk806_regmap_config);
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if (IS_ERR(rk806->regmap)) {
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dev_err(&client->dev, "regmap initialization failed\n");
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return PTR_ERR(rk806->regmap);
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}
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return rk806_device_init(rk806);
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}
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static int rk806_remove(struct i2c_client *client)
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{
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struct rk806 *rk806 = i2c_get_clientdata(client);
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rk806_device_exit(rk806);
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return 0;
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}
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static struct i2c_driver rk806_i2c_driver = {
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.driver = {
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.name = "rk806",
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.of_match_table = of_match_ptr(rk806_of_match),
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},
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.probe = rk806_i2c_probe,
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.remove = rk806_remove,
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};
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module_i2c_driver(rk806_i2c_driver);
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MODULE_AUTHOR("Xu Shengfei <xsf@rock-chips.com>");
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MODULE_DESCRIPTION("RK806 I2C Interface Driver");
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MODULE_LICENSE("GPL");
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