include/linux/mfd/max14577.h

Source file repositories/reference/linux-study-clean/include/linux/mfd/max14577.h

File Facts

System
Linux kernel
Corpus path
include/linux/mfd/max14577.h
Extension
.h
Size
2281 bytes
Lines
99
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct max14577_regulator_platform_data {
	int id;
	struct regulator_init_data *initdata;
	struct device_node *of_node;
};

struct max14577_charger_platform_data {
	u32 constant_uvolt;
	u32 fast_charge_uamp;
	u32 eoc_uamp;
	u32 ovp_uvolt;
};

/*
 * MAX14577 MFD platform data
 */
struct max14577_platform_data {
	/* IRQ */
	int irq_base;

	/* current control GPIOs */
	int gpio_pogo_vbatt_en;
	int gpio_pogo_vbus_en;

	/* current control GPIO control function */
	int (*set_gpio_pogo_vbatt_en) (int gpio_val);
	int (*set_gpio_pogo_vbus_en) (int gpio_val);

	int (*set_gpio_pogo_cb) (int new_dev);

	struct max14577_regulator_platform_data *regulators;
};

/*
 * Valid limits of current for max14577 and max77836 chargers.
 * They must correspond to MBCICHWRCL and MBCICHWRCH fields in CHGCTRL4
 * register for given chipset.
 */
struct maxim_charger_current {
	/* Minimal current, set in CHGCTRL4/MBCICHWRCL, uA */
	unsigned int min;
	/*
	 * Minimal current when high setting is active,
	 * set in CHGCTRL4/MBCICHWRCH, uA
	 */
	unsigned int high_start;
	/* Value of one step in high setting, uA */
	unsigned int high_step;
	/* Maximum current of high setting, uA */
	unsigned int max;
};

extern const struct maxim_charger_current maxim_charger_currents[];
extern int maxim_charger_calc_reg_current(const struct maxim_charger_current *limits,
		unsigned int min_ua, unsigned int max_ua, u8 *dst);

#endif /* __MAX14577_H__ */

Annotation

Implementation Notes