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dc0c386e09
The DT of_device.h and of_platform.h date back to the separate of_platform_bus_type before it as merged into the regular platform bus. As part of that merge prepping Arm DT support 13 years ago, they "temporarily" include each other. They also include platform_device.h and of.h. As a result, there's a pretty much random mix of those include files used throughout the tree. In order to detangle these headers and replace the implicit includes with struct declarations, users need to explicitly include the correct includes. Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20230714174731.4059811-1-robh@kernel.org Signed-off-by: Lee Jones <lee@kernel.org>
131 lines
3.3 KiB
C
131 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* MFD core driver for the Richtek RT5033.
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*
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* RT5033 comprises multiple sub-devices switcing charger, fuel gauge,
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* flash LED, current source, LDO and BUCK regulators.
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*
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* Copyright (C) 2014 Samsung Electronics, Co., Ltd.
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* Author: Beomho Seo <beomho.seo@samsung.com>
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*/
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#include <linux/err.h>
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#include <linux/mod_devicetable.h>
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#include <linux/module.h>
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#include <linux/interrupt.h>
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#include <linux/mfd/core.h>
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#include <linux/mfd/rt5033.h>
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#include <linux/mfd/rt5033-private.h>
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static const struct regmap_irq rt5033_irqs[] = {
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{ .mask = RT5033_PMIC_IRQ_BUCKOCP, },
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{ .mask = RT5033_PMIC_IRQ_BUCKLV, },
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{ .mask = RT5033_PMIC_IRQ_SAFELDOLV, },
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{ .mask = RT5033_PMIC_IRQ_LDOLV, },
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{ .mask = RT5033_PMIC_IRQ_OT, },
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{ .mask = RT5033_PMIC_IRQ_VDDA_UV, },
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};
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static const struct regmap_irq_chip rt5033_irq_chip = {
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.name = "rt5033",
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.status_base = RT5033_REG_PMIC_IRQ_STAT,
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.unmask_base = RT5033_REG_PMIC_IRQ_CTRL,
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.num_regs = 1,
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.irqs = rt5033_irqs,
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.num_irqs = ARRAY_SIZE(rt5033_irqs),
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};
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static const struct mfd_cell rt5033_devs[] = {
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{ .name = "rt5033-regulator", },
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{
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.name = "rt5033-charger",
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.of_compatible = "richtek,rt5033-charger",
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}, {
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.name = "rt5033-led",
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.of_compatible = "richtek,rt5033-led",
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},
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};
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static const struct regmap_config rt5033_regmap_config = {
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.reg_bits = 8,
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.val_bits = 8,
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.max_register = RT5033_REG_END,
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};
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static int rt5033_i2c_probe(struct i2c_client *i2c)
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{
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struct rt5033_dev *rt5033;
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unsigned int dev_id, chip_rev;
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int ret;
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rt5033 = devm_kzalloc(&i2c->dev, sizeof(*rt5033), GFP_KERNEL);
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if (!rt5033)
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return -ENOMEM;
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i2c_set_clientdata(i2c, rt5033);
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rt5033->dev = &i2c->dev;
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rt5033->irq = i2c->irq;
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rt5033->wakeup = true;
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rt5033->regmap = devm_regmap_init_i2c(i2c, &rt5033_regmap_config);
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if (IS_ERR(rt5033->regmap)) {
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dev_err(&i2c->dev, "Failed to allocate register map.\n");
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return PTR_ERR(rt5033->regmap);
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}
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ret = regmap_read(rt5033->regmap, RT5033_REG_DEVICE_ID, &dev_id);
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if (ret) {
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dev_err(&i2c->dev, "Device not found\n");
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return -ENODEV;
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}
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chip_rev = dev_id & RT5033_CHIP_REV_MASK;
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dev_info(&i2c->dev, "Device found (rev. %d)\n", chip_rev);
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ret = regmap_add_irq_chip(rt5033->regmap, rt5033->irq,
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IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
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0, &rt5033_irq_chip, &rt5033->irq_data);
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if (ret) {
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dev_err(&i2c->dev, "Failed to request IRQ %d: %d\n",
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rt5033->irq, ret);
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return ret;
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}
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ret = devm_mfd_add_devices(rt5033->dev, -1, rt5033_devs,
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ARRAY_SIZE(rt5033_devs), NULL, 0,
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regmap_irq_get_domain(rt5033->irq_data));
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if (ret < 0) {
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dev_err(&i2c->dev, "Failed to add RT5033 child devices.\n");
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return ret;
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}
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device_init_wakeup(rt5033->dev, rt5033->wakeup);
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return 0;
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}
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static const struct i2c_device_id rt5033_i2c_id[] = {
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{ "rt5033", },
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, rt5033_i2c_id);
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static const struct of_device_id rt5033_dt_match[] = {
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{ .compatible = "richtek,rt5033", },
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{ }
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};
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MODULE_DEVICE_TABLE(of, rt5033_dt_match);
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static struct i2c_driver rt5033_driver = {
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.driver = {
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.name = "rt5033",
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.of_match_table = rt5033_dt_match,
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},
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.probe = rt5033_i2c_probe,
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.id_table = rt5033_i2c_id,
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};
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module_i2c_driver(rt5033_driver);
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MODULE_DESCRIPTION("Richtek RT5033 multi-function core driver");
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MODULE_AUTHOR("Beomho Seo <beomho.seo@samsung.com>");
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MODULE_LICENSE("GPL");
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