drivers/pinctrl/actions/pinctrl-owl.h

Source file repositories/reference/linux-study-clean/drivers/pinctrl/actions/pinctrl-owl.h

File Facts

System
Linux kernel
Corpus path
drivers/pinctrl/actions/pinctrl-owl.h
Extension
.h
Size
8156 bytes
Lines
313
Domain
Driver Families
Bucket
drivers/pinctrl
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct owl_pullctl {
	int reg;
	unsigned int shift;
	unsigned int width;
};

/**
 * struct owl_st - Actions pad schmitt trigger enable register
 * @reg: offset to the schmitt trigger enable register
 * @shift: shift value of the register
 * @width: width of the register
 */
struct owl_st {
	int reg;
	unsigned int shift;
	unsigned int width;
};

/**
 * struct owl_pingroup - Actions pingroup definition
 * @name: name of the  pin group
 * @pads: list of pins assigned to this pingroup
 * @npads: size of @pads array
 * @funcs: list of pinmux functions for this pingroup
 * @nfuncs: size of @funcs array
 * @mfpctl_reg: multiplexing control register offset
 * @mfpctl_shift: multiplexing control register bit mask
 * @mfpctl_width: multiplexing control register width
 * @drv_reg: drive control register offset
 * @drv_shift: drive control register bit mask
 * @drv_width: driver control register width
 * @sr_reg: slew rate control register offset
 * @sr_shift: slew rate control register bit mask
 * @sr_width: slew rate control register width
 */
struct owl_pingroup {
	const char *name;
	unsigned int *pads;
	unsigned int npads;
	unsigned int *funcs;
	unsigned int nfuncs;

	int mfpctl_reg;
	unsigned int mfpctl_shift;
	unsigned int mfpctl_width;

	int drv_reg;
	unsigned int drv_shift;
	unsigned int drv_width;

	int sr_reg;
	unsigned int sr_shift;
	unsigned int sr_width;
};

/**
 * struct owl_padinfo - Actions pinctrl pad info
 * @pad: pad name of the SoC
 * @pullctl: pull control register info
 * @st: schmitt trigger register info
 */
struct owl_padinfo {
	int pad;
	struct owl_pullctl *pullctl;
	struct owl_st *st;
};

/**
 * struct owl_pinmux_func - Actions pinctrl mux functions
 * @name: name of the pinmux function.
 * @groups: array of pin groups that may select this function.
 * @ngroups: number of entries in @groups.
 */
struct owl_pinmux_func {
	const char *name;
	const char * const *groups;
	unsigned int ngroups;
};

/**
 * struct owl_gpio_port - Actions GPIO port info
 * @offset: offset of the GPIO port.
 * @pins: number of pins belongs to the GPIO port.
 * @outen: offset of the output enable register.
 * @inen: offset of the input enable register.
 * @dat: offset of the data register.
 * @intc_ctl: offset of the interrupt control register.
 * @intc_pd: offset of the interrupt pending register.
 * @intc_msk: offset of the interrupt mask register.
 * @intc_type: offset of the interrupt type register.

Annotation

Implementation Notes