include/linux/mfd/twl.h

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

File Facts

System
Linux kernel
Corpus path
include/linux/mfd/twl.h
Extension
.h
Size
22896 bytes
Lines
787
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 twl4030_clock_init_data {
	bool ck32k_lowpwr_enable;
};

struct twl4030_bci_platform_data {
	int *battery_tmp_tbl;
	unsigned int tblsize;
	int	bb_uvolt;	/* voltage to charge backup battery */
	int	bb_uamp;	/* current for backup battery charging */
};

/* TWL4030_GPIO_MAX (18) GPIOs, with interrupts */
struct twl4030_gpio_platform_data {
	/* package the two LED signals as output-only GPIOs? */
	bool		use_leds;

	/* gpio-n should control VMMC(n+1) if BIT(n) in mmc_cd is set */
	u8		mmc_cd;

	/* if BIT(N) is set, or VMMC(n+1) is linked, debounce GPIO-N */
	u32		debounce;

	/* For gpio-N, bit (1 << N) in "pullups" is set if that pullup
	 * should be enabled.  Else, if that bit is set in "pulldowns",
	 * that pulldown is enabled.  Don't waste power by letting any
	 * digital inputs float...
	 */
	u32		pullups;
	u32		pulldowns;
};

struct twl4030_madc_platform_data {
	int		irq_line;
};

/* Boards have unique mappings of {row, col} --> keycode.
 * Column and row are 8 bits each, but range only from 0..7.
 * a PERSISTENT_KEY is "always on" and never reported.
 */
#define PERSISTENT_KEY(r, c)	KEY((r), (c), KEY_RESERVED)

struct twl4030_keypad_data {
	const struct matrix_keymap_data *keymap_data;
	unsigned rows;
	unsigned cols;
	bool rep;
};

enum twl4030_usb_mode {
	T2_USB_MODE_ULPI = 1,
	T2_USB_MODE_CEA2011_3PIN = 2,
};

struct twl4030_usb_data {
	enum twl4030_usb_mode	usb_mode;
	unsigned long		features;

	int		(*phy_init)(struct device *dev);
	int		(*phy_exit)(struct device *dev);
	/* Power on/off the PHY */
	int		(*phy_power)(struct device *dev, int iD, int on);
	/* enable/disable  phy clocks */
	int		(*phy_set_clock)(struct device *dev, int on);
	/* suspend/resume of phy */
	int		(*phy_suspend)(struct device *dev, int suspend);
};

struct twl4030_ins {
	u16 pmb_message;
	u8 delay;
};

struct twl4030_script {
	struct twl4030_ins *script;
	unsigned size;
	u8 flags;
#define TWL4030_WRST_SCRIPT	(1<<0)
#define TWL4030_WAKEUP12_SCRIPT	(1<<1)
#define TWL4030_WAKEUP3_SCRIPT	(1<<2)
#define TWL4030_SLEEP_SCRIPT	(1<<3)
};

struct twl4030_resconfig {
	u8 resource;
	u8 devgroup;	/* Processor group that Power resource belongs to */
	u8 type;	/* Power resource addressed, 6 / broadcast message */
	u8 type2;	/* Power resource addressed, 3 / broadcast message */
	u8 remap_off;	/* off state remapping */
	u8 remap_sleep;	/* sleep state remapping */
};

Annotation

Implementation Notes