linux-imx

/*

 * MFD driver for Active-semi ACT8945a PMIC

 *

 * Copyright (C) 2015 Atmel Corporation.

 *

 * Author: Wenyou Yang <wenyou.yang@atmel.com>

 *

 * 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.

 */

​

#include <linux/i2c.h>

#include <linux/mfd/core.h>

#include <linux/module.h>

#include <linux/of_device.h>

#include <linux/regmap.h>

​

static const struct mfd_cell act8945a_devs[] = {

    {

        .name = "act8945a-regulator",

    },

    {

        .name = "act8945a-charger",

        .of_compatible = "active-semi,act8945a-charger",

    },

};

​

static const struct regmap_config act8945a_regmap_config = {

    .reg_bits = 8,

    .val_bits = 8,

};

​

static int act8945a_i2c_probe(struct i2c_client *i2c,

                  const struct i2c_device_id *id)

{

    int ret;

    struct regmap *regmap;

​

    regmap = devm_regmap_init_i2c(i2c, &act8945a_regmap_config);

    if (IS_ERR(regmap)) {

        ret = PTR_ERR(regmap);

        dev_err(&i2c->dev, "regmap init failed: %d\n", ret);

        return ret;

    }

​

    i2c_set_clientdata(i2c, regmap);

​

    ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_NONE,

                   act8945a_devs, ARRAY_SIZE(act8945a_devs),

                   NULL, 0, NULL);

    if (ret) {

        dev_err(&i2c->dev, "Failed to add sub devices\n");

        return ret;

    }

​

    return 0;

}

​

static const struct i2c_device_id act8945a_i2c_id[] = {

    { "act8945a", 0 },

    {}