linux/drivers/mfd/tc3589x.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) ST-Ericsson SA 2010
 *
 * Author: Hanumath Prasad <[email protected]> for ST-Ericsson
 * Author: Rabin Vincent <[email protected]> for ST-Ericsson
 */

#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/irqdomain.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tc3589x.h>
#include <linux/err.h>

/*
 * enum tc3589x_version - indicates the TC3589x version
 */
enum tc3589x_version { … };

#define TC3589x_CLKMODE_MODCTL_SLEEP …
#define TC3589x_CLKMODE_MODCTL_OPERATION …

/**
 * tc3589x_reg_read() - read a single TC3589x register
 * @tc3589x:	Device to read from
 * @reg:	Register to read
 */
int tc3589x_reg_read(struct tc3589x *tc3589x, u8 reg)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * tc3589x_reg_write() - write a single TC3589x register
 * @tc3589x:	Device to write to
 * @reg:	Register to read
 * @data:	Value to write
 */
int tc3589x_reg_write(struct tc3589x *tc3589x, u8 reg, u8 data)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * tc3589x_block_read() - read multiple TC3589x registers
 * @tc3589x:	Device to read from
 * @reg:	First register
 * @length:	Number of registers
 * @values:	Buffer to write to
 */
int tc3589x_block_read(struct tc3589x *tc3589x, u8 reg, u8 length, u8 *values)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * tc3589x_block_write() - write multiple TC3589x registers
 * @tc3589x:	Device to write to
 * @reg:	First register
 * @length:	Number of registers
 * @values:	Values to write
 */
int tc3589x_block_write(struct tc3589x *tc3589x, u8 reg, u8 length,
			const u8 *values)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * tc3589x_set_bits() - set the value of a bitfield in a TC3589x register
 * @tc3589x:	Device to write to
 * @reg:	Register to write
 * @mask:	Mask of bits to set
 * @val:	Value to set
 */
int tc3589x_set_bits(struct tc3589x *tc3589x, u8 reg, u8 mask, u8 val)
{ … }
EXPORT_SYMBOL_GPL(…);

static const struct resource gpio_resources[] = …;

static const struct resource keypad_resources[] = …;

static const struct mfd_cell tc3589x_dev_gpio[] = …;

static const struct mfd_cell tc3589x_dev_keypad[] = …;

static irqreturn_t tc3589x_irq(int irq, void *data)
{ … }

static int tc3589x_irq_map(struct irq_domain *d, unsigned int virq,
				irq_hw_number_t hwirq)
{ … }

static void tc3589x_irq_unmap(struct irq_domain *d, unsigned int virq)
{ … }

static const struct irq_domain_ops tc3589x_irq_ops = …;

static int tc3589x_irq_init(struct tc3589x *tc3589x, struct device_node *np)
{ … }

static int tc3589x_chip_init(struct tc3589x *tc3589x)
{ … }

static int tc3589x_device_init(struct tc3589x *tc3589x)
{ … }

static const struct of_device_id tc3589x_match[] = …;

MODULE_DEVICE_TABLE(of, tc3589x_match);

static struct tc3589x_platform_data *
tc3589x_of_probe(struct device *dev, enum tc3589x_version *version)
{ … }

static int tc3589x_probe(struct i2c_client *i2c)
{ … }

static void tc3589x_remove(struct i2c_client *client)
{ … }

static int tc3589x_suspend(struct device *dev)
{ … }

static int tc3589x_resume(struct device *dev)
{ … }

static DEFINE_SIMPLE_DEV_PM_OPS(tc3589x_dev_pm_ops,
				tc3589x_suspend, tc3589x_resume);

static const struct i2c_device_id tc3589x_id[] = …;
MODULE_DEVICE_TABLE(i2c, tc3589x_id);

static struct i2c_driver tc3589x_driver = …;

static int __init tc3589x_init(void)
{ … }
subsys_initcall(tc3589x_init);

static void __exit tc3589x_exit(void)
{ … }
module_exit(tc3589x_exit);

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;