Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Core driver for TI TPS6586x PMIC family
 *
 * Copyright (c) 2010 CompuLab Ltd.
 * Mike Rapoport <mike@compulab.co.il>
 *
 * Based on da903x.c.
 * Copyright (C) 2008 Compulab, Ltd.
 * Mike Rapoport <mike@compulab.co.il>
 * Copyright (C) 2006-2008 Marvell International Ltd.
 * Eric Miao <eric.miao@marvell.com>
 */
 
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/irqdomain.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/of.h>
 
#include <linux/mfd/core.h>
#include <linux/mfd/tps6586x.h>
 
#define TPS6586X_SUPPLYENE	0x14
#define EXITSLREQ_BIT		BIT(1)
#define SLEEP_MODE_BIT		BIT(3)
 
/* interrupt control registers */
#define TPS6586X_INT_ACK1	0xb5
#define TPS6586X_INT_ACK2	0xb6
#define TPS6586X_INT_ACK3	0xb7
#define TPS6586X_INT_ACK4	0xb8
 
/* interrupt mask registers */
#define TPS6586X_INT_MASK1	0xb0
#define TPS6586X_INT_MASK2	0xb1
#define TPS6586X_INT_MASK3	0xb2
#define TPS6586X_INT_MASK4	0xb3
#define TPS6586X_INT_MASK5	0xb4
 
/* device id */
#define TPS6586X_VERSIONCRC	0xcd
 
/* Maximum register */
#define TPS6586X_MAX_REGISTER	TPS6586X_VERSIONCRC
 
struct tps6586x_irq_data {
<------>u8	mask_reg;
<------>u8	mask_mask;
};
 
#define TPS6586X_IRQ(_reg, _mask)				\
<------>{							\
<------><------>.mask_reg = (_reg) - TPS6586X_INT_MASK1,	\
<------><------>.mask_mask = (_mask),				\
<------>}
 
static const struct tps6586x_irq_data tps6586x_irqs[] = {
<------>[TPS6586X_INT_PLDO_0]	= TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 0),
<------>[TPS6586X_INT_PLDO_1]	= TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 1),
<------>[TPS6586X_INT_PLDO_2]	= TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 2),
<------>[TPS6586X_INT_PLDO_3]	= TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 3),
<------>[TPS6586X_INT_PLDO_4]	= TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 4),
<------>[TPS6586X_INT_PLDO_5]	= TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 5),
<------>[TPS6586X_INT_PLDO_6]	= TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 6),
<------>[TPS6586X_INT_PLDO_7]	= TPS6586X_IRQ(TPS6586X_INT_MASK1, 1 << 7),
<------>[TPS6586X_INT_COMP_DET]	= TPS6586X_IRQ(TPS6586X_INT_MASK4, 1 << 0),
<------>[TPS6586X_INT_ADC]	= TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 1),
<------>[TPS6586X_INT_PLDO_8]	= TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 2),
<------>[TPS6586X_INT_PLDO_9]	= TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 3),
<------>[TPS6586X_INT_PSM_0]	= TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 4),
<------>[TPS6586X_INT_PSM_1]	= TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 5),
<------>[TPS6586X_INT_PSM_2]	= TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 6),
<------>[TPS6586X_INT_PSM_3]	= TPS6586X_IRQ(TPS6586X_INT_MASK2, 1 << 7),
<------>[TPS6586X_INT_RTC_ALM1]	= TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 4),
<------>[TPS6586X_INT_ACUSB_OVP] = TPS6586X_IRQ(TPS6586X_INT_MASK5, 0x03),
<------>[TPS6586X_INT_USB_DET]	= TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 2),
<------>[TPS6586X_INT_AC_DET]	= TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 3),
<------>[TPS6586X_INT_BAT_DET]	= TPS6586X_IRQ(TPS6586X_INT_MASK3, 1 << 0),
<------>[TPS6586X_INT_CHG_STAT]	= TPS6586X_IRQ(TPS6586X_INT_MASK4, 0xfc),
<------>[TPS6586X_INT_CHG_TEMP]	= TPS6586X_IRQ(TPS6586X_INT_MASK3, 0x06),
<------>[TPS6586X_INT_PP]	= TPS6586X_IRQ(TPS6586X_INT_MASK3, 0xf0),
<------>[TPS6586X_INT_RESUME]	= TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 5),
<------>[TPS6586X_INT_LOW_SYS]	= TPS6586X_IRQ(TPS6586X_INT_MASK5, 1 << 6),
<------>[TPS6586X_INT_RTC_ALM2] = TPS6586X_IRQ(TPS6586X_INT_MASK4, 1 << 1),
};
 
static struct resource tps6586x_rtc_resources[] = {
<------>{
<------><------>.start  = TPS6586X_INT_RTC_ALM1,
<------><------>.end	= TPS6586X_INT_RTC_ALM1,
<------><------>.flags	= IORESOURCE_IRQ,
<------>},
};
 
static const struct mfd_cell tps6586x_cell[] = {
<------>{
<------><------>.name = "tps6586x-gpio",
<------>},
<------>{
<------><------>.name = "tps6586x-regulator",
<------>},
<------>{
<------><------>.name = "tps6586x-rtc",
<------><------>.num_resources = ARRAY_SIZE(tps6586x_rtc_resources),
<------><------>.resources = &tps6586x_rtc_resources[0],
<------>},
<------>{
<------><------>.name = "tps6586x-onkey",
<------>},
};
 
struct tps6586x {
<------>struct device		*dev;
<------>struct i2c_client	*client;
<------>struct regmap		*regmap;
<------>int			version;
 
<------>int			irq;
<------>struct irq_chip		irq_chip;
<------>struct mutex		irq_lock;
<------>int			irq_base;
<------>u32			irq_en;
<------>u8			mask_reg[5];
<------>struct irq_domain	*irq_domain;
};
 
static inline struct tps6586x *dev_to_tps6586x(struct device *dev)
{
<------>return i2c_get_clientdata(to_i2c_client(dev));
}
 
int tps6586x_write(struct device *dev, int reg, uint8_t val)
{
<------>struct tps6586x *tps6586x = dev_to_tps6586x(dev);
 
<------>return regmap_write(tps6586x->regmap, reg, val);
}
EXPORT_SYMBOL_GPL(tps6586x_write);
 
int tps6586x_writes(struct device *dev, int reg, int len, uint8_t *val)
{
<------>struct tps6586x *tps6586x = dev_to_tps6586x(dev);
 
<------>return regmap_bulk_write(tps6586x->regmap, reg, val, len);
}
EXPORT_SYMBOL_GPL(tps6586x_writes);
 
int tps6586x_read(struct device *dev, int reg, uint8_t *val)
{
<------>struct tps6586x *tps6586x = dev_to_tps6586x(dev);
<------>unsigned int rval;
<------>int ret;
 
<------>ret = regmap_read(tps6586x->regmap, reg, &rval);
<------>if (!ret)
<------><------>*val = rval;
<------>return ret;
}
EXPORT_SYMBOL_GPL(tps6586x_read);
 
int tps6586x_reads(struct device *dev, int reg, int len, uint8_t *val)
{
<------>struct tps6586x *tps6586x = dev_to_tps6586x(dev);
 
<------>return regmap_bulk_read(tps6586x->regmap, reg, val, len);
}
EXPORT_SYMBOL_GPL(tps6586x_reads);
 
int tps6586x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
{
<------>struct tps6586x *tps6586x = dev_to_tps6586x(dev);
 
<------>return regmap_update_bits(tps6586x->regmap, reg, bit_mask, bit_mask);
}
EXPORT_SYMBOL_GPL(tps6586x_set_bits);
 
int tps6586x_clr_bits(struct device *dev, int reg, uint8_t bit_mask)
{
<------>struct tps6586x *tps6586x = dev_to_tps6586x(dev);
 
<------>return regmap_update_bits(tps6586x->regmap, reg, bit_mask, 0);
}
EXPORT_SYMBOL_GPL(tps6586x_clr_bits);
 
int tps6586x_update(struct device *dev, int reg, uint8_t val, uint8_t mask)
{
<------>struct tps6586x *tps6586x = dev_to_tps6586x(dev);
 
<------>return regmap_update_bits(tps6586x->regmap, reg, mask, val);
}
EXPORT_SYMBOL_GPL(tps6586x_update);
 
int tps6586x_irq_get_virq(struct device *dev, int irq)
{
<------>struct tps6586x *tps6586x = dev_to_tps6586x(dev);
 
<------>return irq_create_mapping(tps6586x->irq_domain, irq);
}
EXPORT_SYMBOL_GPL(tps6586x_irq_get_virq);
 
int tps6586x_get_version(struct device *dev)
{
<------>struct tps6586x *tps6586x = dev_get_drvdata(dev);
 
<------>return tps6586x->version;
}
EXPORT_SYMBOL_GPL(tps6586x_get_version);
 
static int __remove_subdev(struct device *dev, void *unused)
{
<------>platform_device_unregister(to_platform_device(dev));
<------>return 0;
}
 
static int tps6586x_remove_subdevs(struct tps6586x *tps6586x)
{
<------>return device_for_each_child(tps6586x->dev, NULL, __remove_subdev);
}
 
static void tps6586x_irq_lock(struct irq_data *data)
{
<------>struct tps6586x *tps6586x = irq_data_get_irq_chip_data(data);
 
<------>mutex_lock(&tps6586x->irq_lock);
}
 
static void tps6586x_irq_enable(struct irq_data *irq_data)
{
<------>struct tps6586x *tps6586x = irq_data_get_irq_chip_data(irq_data);
<------>unsigned int __irq = irq_data->hwirq;
<------>const struct tps6586x_irq_data *data = &tps6586x_irqs[__irq];
 
<------>tps6586x->mask_reg[data->mask_reg] &= ~data->mask_mask;
<------>tps6586x->irq_en |= (1 << __irq);
}
 
static void tps6586x_irq_disable(struct irq_data *irq_data)
{
<------>struct tps6586x *tps6586x = irq_data_get_irq_chip_data(irq_data);
 
<------>unsigned int __irq = irq_data->hwirq;
<------>const struct tps6586x_irq_data *data = &tps6586x_irqs[__irq];
 
<------>tps6586x->mask_reg[data->mask_reg] |= data->mask_mask;
<------>tps6586x->irq_en &= ~(1 << __irq);
}
 
static void tps6586x_irq_sync_unlock(struct irq_data *data)
{
<------>struct tps6586x *tps6586x = irq_data_get_irq_chip_data(data);
<------>int i;
 
<------>for (i = 0; i < ARRAY_SIZE(tps6586x->mask_reg); i++) {
<------><------>int ret;
<------><------>ret = tps6586x_write(tps6586x->dev,
<------><------><------><------><------>    TPS6586X_INT_MASK1 + i,
<------><------><------><------><------>    tps6586x->mask_reg[i]);
<------><------>WARN_ON(ret);
<------>}
 
<------>mutex_unlock(&tps6586x->irq_lock);
}
 
#ifdef CONFIG_PM_SLEEP
static int tps6586x_irq_set_wake(struct irq_data *irq_data, unsigned int on)
{
<------>struct tps6586x *tps6586x = irq_data_get_irq_chip_data(irq_data);
<------>return irq_set_irq_wake(tps6586x->irq, on);
}
#else
#define tps6586x_irq_set_wake NULL
#endif
 
static struct irq_chip tps6586x_irq_chip = {
<------>.name = "tps6586x",
<------>.irq_bus_lock = tps6586x_irq_lock,
<------>.irq_bus_sync_unlock = tps6586x_irq_sync_unlock,
<------>.irq_disable = tps6586x_irq_disable,
<------>.irq_enable = tps6586x_irq_enable,
<------>.irq_set_wake = tps6586x_irq_set_wake,
};
 
static int tps6586x_irq_map(struct irq_domain *h, unsigned int virq,
<------><------><------><------>irq_hw_number_t hw)
{
<------>struct tps6586x *tps6586x = h->host_data;
 
<------>irq_set_chip_data(virq, tps6586x);
<------>irq_set_chip_and_handler(virq, &tps6586x_irq_chip, handle_simple_irq);
<------>irq_set_nested_thread(virq, 1);
<------>irq_set_noprobe(virq);
 
<------>return 0;
}
 
static const struct irq_domain_ops tps6586x_domain_ops = {
<------>.map    = tps6586x_irq_map,
<------>.xlate  = irq_domain_xlate_twocell,
};
 
static irqreturn_t tps6586x_irq(int irq, void *data)
{
<------>struct tps6586x *tps6586x = data;
<------>uint32_t acks;
<------>__le32 val;
<------>int ret = 0;
 
<------>ret = tps6586x_reads(tps6586x->dev, TPS6586X_INT_ACK1,
<------><------><------>     sizeof(acks), (uint8_t *)&val);
 
<------>if (ret < 0) {
<------><------>dev_err(tps6586x->dev, "failed to read interrupt status\n");
<------><------>return IRQ_NONE;
<------>}
 
<------>acks = le32_to_cpu(val);
 
<------>while (acks) {
<------><------>int i = __ffs(acks);
 
<------><------>if (tps6586x->irq_en & (1 << i))
<------><------><------>handle_nested_irq(
<------><------><------><------>irq_find_mapping(tps6586x->irq_domain, i));
 
<------><------>acks &= ~(1 << i);
<------>}
 
<------>return IRQ_HANDLED;
}
 
static int tps6586x_irq_init(struct tps6586x *tps6586x, int irq,
<------><------><------><------>       int irq_base)
{
<------>int i, ret;
<------>u8 tmp[4];
<------>int new_irq_base;
<------>int irq_num = ARRAY_SIZE(tps6586x_irqs);
 
<------>tps6586x->irq = irq;
 
<------>mutex_init(&tps6586x->irq_lock);
<------>for (i = 0; i < 5; i++) {
<------><------>tps6586x->mask_reg[i] = 0xff;
<------><------>tps6586x_write(tps6586x->dev, TPS6586X_INT_MASK1 + i, 0xff);
<------>}
 
<------>tps6586x_reads(tps6586x->dev, TPS6586X_INT_ACK1, sizeof(tmp), tmp);
 
<------>if  (irq_base > 0) {
<------><------>new_irq_base = irq_alloc_descs(irq_base, 0, irq_num, -1);
<------><------>if (new_irq_base < 0) {
<------><------><------>dev_err(tps6586x->dev,
<------><------><------><------>"Failed to alloc IRQs: %d\n", new_irq_base);
<------><------><------>return new_irq_base;
<------><------>}
<------>} else {
<------><------>new_irq_base = 0;
<------>}
 
<------>tps6586x->irq_domain = irq_domain_add_simple(tps6586x->dev->of_node,
<------><------><------><------>irq_num, new_irq_base, &tps6586x_domain_ops,
<------><------><------><------>tps6586x);
<------>if (!tps6586x->irq_domain) {
<------><------>dev_err(tps6586x->dev, "Failed to create IRQ domain\n");
<------><------>return -ENOMEM;
<------>}
<------>ret = request_threaded_irq(irq, NULL, tps6586x_irq, IRQF_ONESHOT,
<------><------><------><------>   "tps6586x", tps6586x);
 
<------>if (!ret)
<------><------>device_init_wakeup(tps6586x->dev, 1);
 
<------>return ret;
}
 
static int tps6586x_add_subdevs(struct tps6586x *tps6586x,
<------><------><------><------><------>  struct tps6586x_platform_data *pdata)
{
<------>struct tps6586x_subdev_info *subdev;
<------>struct platform_device *pdev;
<------>int i, ret = 0;
 
<------>for (i = 0; i < pdata->num_subdevs; i++) {
<------><------>subdev = &pdata->subdevs[i];
 
<------><------>pdev = platform_device_alloc(subdev->name, subdev->id);
<------><------>if (!pdev) {
<------><------><------>ret = -ENOMEM;
<------><------><------>goto failed;
<------><------>}
 
<------><------>pdev->dev.parent = tps6586x->dev;
<------><------>pdev->dev.platform_data = subdev->platform_data;
<------><------>pdev->dev.of_node = subdev->of_node;
 
<------><------>ret = platform_device_add(pdev);
<------><------>if (ret) {
<------><------><------>platform_device_put(pdev);
<------><------><------>goto failed;
<------><------>}
<------>}
<------>return 0;
 
failed:
<------>tps6586x_remove_subdevs(tps6586x);
<------>return ret;
}
 
#ifdef CONFIG_OF
static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *client)
{
<------>struct device_node *np = client->dev.of_node;
<------>struct tps6586x_platform_data *pdata;
 
<------>pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
<------>if (!pdata)
<------><------>return NULL;
 
<------>pdata->num_subdevs = 0;
<------>pdata->subdevs = NULL;
<------>pdata->gpio_base = -1;
<------>pdata->irq_base = -1;
<------>pdata->pm_off = of_property_read_bool(np, "ti,system-power-controller");
 
<------>return pdata;
}
 
static const struct of_device_id tps6586x_of_match[] = {
<------>{ .compatible = "ti,tps6586x", },
<------>{ },
};
#else
static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *client)
{
<------>return NULL;
}
#endif
 
static bool is_volatile_reg(struct device *dev, unsigned int reg)
{
<------>/* Cache all interrupt mask register */
<------>if ((reg >= TPS6586X_INT_MASK1) && (reg <= TPS6586X_INT_MASK5))
<------><------>return false;
 
<------>return true;
}
 
static const struct regmap_config tps6586x_regmap_config = {
<------>.reg_bits = 8,
<------>.val_bits = 8,
<------>.max_register = TPS6586X_MAX_REGISTER,
<------>.volatile_reg = is_volatile_reg,
<------>.cache_type = REGCACHE_RBTREE,
};
 
static struct device *tps6586x_dev;
static void tps6586x_power_off(void)
{
<------>if (tps6586x_clr_bits(tps6586x_dev, TPS6586X_SUPPLYENE, EXITSLREQ_BIT))
<------><------>return;
 
<------>tps6586x_set_bits(tps6586x_dev, TPS6586X_SUPPLYENE, SLEEP_MODE_BIT);
}
 
static void tps6586x_print_version(struct i2c_client *client, int version)
{
<------>const char *name;
 
<------>switch (version) {
<------>case TPS658621A:
<------><------>name = "TPS658621A";
<------><------>break;
<------>case TPS658621CD:
<------><------>name = "TPS658621C/D";
<------><------>break;
<------>case TPS658623:
<------><------>name = "TPS658623";
<------><------>break;
<------>case TPS658640:
<------>case TPS658640v2:
<------><------>name = "TPS658640";
<------><------>break;
<------>case TPS658643:
<------><------>name = "TPS658643";
<------><------>break;
<------>default:
<------><------>name = "TPS6586X";
<------><------>break;
<------>}
 
<------>dev_info(&client->dev, "Found %s, VERSIONCRC is %02x\n", name, version);
}
 
static int tps6586x_i2c_probe(struct i2c_client *client,
<------><------><------><------><------>const struct i2c_device_id *id)
{
<------>struct tps6586x_platform_data *pdata = dev_get_platdata(&client->dev);
<------>struct tps6586x *tps6586x;
<------>int ret;
<------>int version;
 
<------>if (!pdata && client->dev.of_node)
<------><------>pdata = tps6586x_parse_dt(client);
 
<------>if (!pdata) {
<------><------>dev_err(&client->dev, "tps6586x requires platform data\n");
<------><------>return -ENOTSUPP;
<------>}
 
<------>version = i2c_smbus_read_byte_data(client, TPS6586X_VERSIONCRC);
<------>if (version < 0) {
<------><------>dev_err(&client->dev, "Chip ID read failed: %d\n", version);
<------><------>return -EIO;
<------>}
 
<------>tps6586x = devm_kzalloc(&client->dev, sizeof(*tps6586x), GFP_KERNEL);
<------>if (!tps6586x)
<------><------>return -ENOMEM;
 
<------>tps6586x->version = version;
<------>tps6586x_print_version(client, tps6586x->version);
 
<------>tps6586x->client = client;
<------>tps6586x->dev = &client->dev;
<------>i2c_set_clientdata(client, tps6586x);
 
<------>tps6586x->regmap = devm_regmap_init_i2c(client,
<------><------><------><------><------>&tps6586x_regmap_config);
<------>if (IS_ERR(tps6586x->regmap)) {
<------><------>ret = PTR_ERR(tps6586x->regmap);
<------><------>dev_err(&client->dev, "regmap init failed: %d\n", ret);
<------><------>return ret;
<------>}
 
 
<------>if (client->irq) {
<------><------>ret = tps6586x_irq_init(tps6586x, client->irq,
<------><------><------><------><------>pdata->irq_base);
<------><------>if (ret) {
<------><------><------>dev_err(&client->dev, "IRQ init failed: %d\n", ret);
<------><------><------>return ret;
<------><------>}
<------>}
 
<------>ret = mfd_add_devices(tps6586x->dev, -1,
<------><------><------>      tps6586x_cell, ARRAY_SIZE(tps6586x_cell),
<------><------><------>      NULL, 0, tps6586x->irq_domain);
<------>if (ret < 0) {
<------><------>dev_err(&client->dev, "mfd_add_devices failed: %d\n", ret);
<------><------>goto err_mfd_add;
<------>}
 
<------>ret = tps6586x_add_subdevs(tps6586x, pdata);
<------>if (ret) {
<------><------>dev_err(&client->dev, "add devices failed: %d\n", ret);
<------><------>goto err_add_devs;
<------>}
 
<------>if (pdata->pm_off && !pm_power_off) {
<------><------>tps6586x_dev = &client->dev;
<------><------>pm_power_off = tps6586x_power_off;
<------>}
 
<------>return 0;
 
err_add_devs:
<------>mfd_remove_devices(tps6586x->dev);
err_mfd_add:
<------>if (client->irq)
<------><------>free_irq(client->irq, tps6586x);
<------>return ret;
}
 
static int tps6586x_i2c_remove(struct i2c_client *client)
{
<------>struct tps6586x *tps6586x = i2c_get_clientdata(client);
 
<------>tps6586x_remove_subdevs(tps6586x);
<------>mfd_remove_devices(tps6586x->dev);
<------>if (client->irq)
<------><------>free_irq(client->irq, tps6586x);
<------>return 0;
}
 
static int __maybe_unused tps6586x_i2c_suspend(struct device *dev)
{
<------>struct tps6586x *tps6586x = dev_get_drvdata(dev);
 
<------>if (tps6586x->client->irq)
<------><------>disable_irq(tps6586x->client->irq);
 
<------>return 0;
}
 
static int __maybe_unused tps6586x_i2c_resume(struct device *dev)
{
<------>struct tps6586x *tps6586x = dev_get_drvdata(dev);
 
<------>if (tps6586x->client->irq)
<------><------>enable_irq(tps6586x->client->irq);
 
<------>return 0;
}
 
static SIMPLE_DEV_PM_OPS(tps6586x_pm_ops, tps6586x_i2c_suspend,
<------><------><------> tps6586x_i2c_resume);
 
static const struct i2c_device_id tps6586x_id_table[] = {
<------>{ "tps6586x", 0 },
<------>{ },
};
MODULE_DEVICE_TABLE(i2c, tps6586x_id_table);
 
static struct i2c_driver tps6586x_driver = {
<------>.driver	= {
<------><------>.name	= "tps6586x",
<------><------>.of_match_table = of_match_ptr(tps6586x_of_match),
<------><------>.pm	= &tps6586x_pm_ops,
<------>},
<------>.probe		= tps6586x_i2c_probe,
<------>.remove		= tps6586x_i2c_remove,
<------>.id_table	= tps6586x_id_table,
};
 
static int __init tps6586x_init(void)
{
<------>return i2c_add_driver(&tps6586x_driver);
}
subsys_initcall(tps6586x_init);
 
static void __exit tps6586x_exit(void)
{
<------>i2c_del_driver(&tps6586x_driver);
}
module_exit(tps6586x_exit);
 
MODULE_DESCRIPTION("TPS6586X core driver");
MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
MODULE_LICENSE("GPL");