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