linux-stable/drivers/mfd/hi6421-spmi-pmic.c
Mauro Carvalho Chehab 9bd9e0de1c mfd: hi6421-spmi-pmic: move driver from staging
This driver is ready for mainstream. So, move it out of staging.

Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/dd150f3ffa19c2dda0171f7dbe1dd63cce2a7af5.1627025657.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-07-23 10:13:27 +02:00

72 lines
1.8 KiB
C

// 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, &regmap_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");