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// SPDX-License-Identifier: GPL-2.0
/*
* Device driver for regulators in HISI PMIC IC
*
* Copyright (c) 2013 Linaro Ltd.
* Copyright (c) 2011 Hisilicon.
* Copyright (c) 2020-2021 Huawei Technologies Co., Ltd.
*/
#include <linux/mfd/core.h>
#include <linux/mfd/hi6421-spmi-pmic.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/spmi.h>
static const struct mfd_cell hi6421v600_devs[] = {
{ .name = "hi6421v600-irq", },
{ .name = "hi6421v600-regulator", },
};
static const struct regmap_config regmap_config = {
.reg_bits = 16,
.val_bits = BITS_PER_BYTE,
.max_register = 0xffff,
.fast_io = true
};
static int hi6421_spmi_pmic_probe(struct spmi_device *sdev)
{
struct device *dev = &sdev->dev;
int ret;
struct hi6421_spmi_pmic *ddata;
ddata = devm_kzalloc(dev, sizeof(*ddata), GFP_KERNEL);
if (!ddata)
return -ENOMEM;
ddata->regmap = devm_regmap_init_spmi_ext(sdev, ®map_config);
if (IS_ERR(ddata->regmap))
return PTR_ERR(ddata->regmap);
ddata->dev = dev;
dev_set_drvdata(&sdev->dev, ddata);
ret = devm_mfd_add_devices(&sdev->dev, PLATFORM_DEVID_NONE,
hi6421v600_devs, ARRAY_SIZE(hi6421v600_devs),
NULL, 0, NULL);
if (ret < 0)
dev_err(dev, "Failed to add child devices: %d\n", ret);
return ret;
}
static const struct of_device_id pmic_spmi_id_table[] = {
{ .compatible = "hisilicon,hi6421-spmi" },
{ }
};
MODULE_DEVICE_TABLE(of, pmic_spmi_id_table);
static struct spmi_driver hi6421_spmi_pmic_driver = {
.driver = {
.name = "hi6421-spmi-pmic",
.of_match_table = pmic_spmi_id_table,
},
.probe = hi6421_spmi_pmic_probe,
};
module_spmi_driver(hi6421_spmi_pmic_driver);
MODULE_DESCRIPTION("HiSilicon Hi6421v600 SPMI PMIC driver");
MODULE_LICENSE("GPL v2");
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