linux/drivers/power/supply/axp20x_usb_power.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * AXP20x PMIC USB power supply status driver
 *
 * Copyright (C) 2015 Hans de Goede <[email protected]>
 * Copyright (C) 2014 Bruno Prémont <[email protected]>
 */

#include <linux/bitops.h>
#include <linux/device.h>
#include <linux/devm-helpers.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mfd/axp20x.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
#include <linux/power_supply.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/iio/consumer.h>
#include <linux/workqueue.h>

#define DRVNAME …

#define AXP192_USB_OTG_STATUS …

#define AXP20X_PWR_STATUS_VBUS_PRESENT …
#define AXP20X_PWR_STATUS_VBUS_USED …

#define AXP20X_USB_STATUS_VBUS_VALID …

#define AXP20X_VBUS_VHOLD_uV(b) …
#define AXP20X_VBUS_VHOLD_MASK …
#define AXP20X_VBUS_VHOLD_OFFSET …

#define AXP20X_ADC_EN1_VBUS_CURR …
#define AXP20X_ADC_EN1_VBUS_VOLT …

/*
 * Note do not raise the debounce time, we must report Vusb high within
 * 100ms otherwise we get Vbus errors in musb.
 */
#define DEBOUNCE_TIME …

struct axp_data { … };

struct axp20x_usb_power { … };

static bool axp20x_usb_vbus_needs_polling(struct axp20x_usb_power *power)
{ … }

static irqreturn_t axp20x_usb_power_irq(int irq, void *devid)
{ … }

static void axp20x_usb_power_poll_vbus(struct work_struct *work)
{ … }

static int axp20x_get_usb_type(struct axp20x_usb_power *power,
			       union power_supply_propval *val)
{ … }

static int axp20x_usb_power_get_property(struct power_supply *psy,
	enum power_supply_property psp, union power_supply_propval *val)
{ … }

static int axp20x_usb_power_set_voltage_min(struct axp20x_usb_power *power,
					    int intval)
{ … }

static int axp20x_usb_power_set_input_current_limit(struct axp20x_usb_power *power,
						    int intval)
{ … }

static int axp20x_usb_power_set_property(struct power_supply *psy,
					 enum power_supply_property psp,
					 const union power_supply_propval *val)
{ … }

static int axp20x_usb_power_prop_writeable(struct power_supply *psy,
					   enum power_supply_property psp)
{ … }

static enum power_supply_property axp20x_usb_power_properties[] = …;

static enum power_supply_property axp22x_usb_power_properties[] = …;

static enum power_supply_property axp813_usb_power_properties[] = …;

static enum power_supply_usb_type axp813_usb_types[] = …;

static const struct power_supply_desc axp20x_usb_power_desc = …;

static const struct power_supply_desc axp22x_usb_power_desc = …;

static const struct power_supply_desc axp813_usb_power_desc = …;

static const char * const axp20x_irq_names[] = …;

static const char * const axp22x_irq_names[] = …;

static int axp192_usb_curr_lim_table[] = …;

static int axp20x_usb_curr_lim_table[] = …;

static int axp221_usb_curr_lim_table[] = …;

static int axp813_usb_curr_lim_table[] = …;

static const struct axp_data axp192_data = …;

static const struct axp_data axp202_data = …;

static const struct axp_data axp221_data = …;

static const struct axp_data axp223_data = …;

static const struct axp_data axp813_data = …;

#ifdef CONFIG_PM_SLEEP
static int axp20x_usb_power_suspend(struct device *dev)
{ … }

static int axp20x_usb_power_resume(struct device *dev)
{ … }
#endif

static SIMPLE_DEV_PM_OPS(axp20x_usb_power_pm_ops, axp20x_usb_power_suspend,
						  axp20x_usb_power_resume);

static int configure_iio_channels(struct platform_device *pdev,
				  struct axp20x_usb_power *power)
{ … }

static int configure_adc_registers(struct axp20x_usb_power *power)
{ … }

static int axp20x_regmap_field_alloc_optional(struct device *dev,
					      struct regmap *regmap,
					      struct reg_field fdesc,
					      struct regmap_field **fieldp)
{ … }

static int axp20x_usb_power_probe(struct platform_device *pdev)
{ … }

static const struct of_device_id axp20x_usb_power_match[] = …;
MODULE_DEVICE_TABLE(of, axp20x_usb_power_match);

static struct platform_driver axp20x_usb_power_driver = …;

module_platform_driver(…) …;

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