drivers/pinctrl/freescale/pinctrl-imx1.h

Source file repositories/reference/linux-study-clean/drivers/pinctrl/freescale/pinctrl-imx1.h

File Facts

System
Linux kernel
Corpus path
drivers/pinctrl/freescale/pinctrl-imx1.h
Extension
.h
Size
1695 bytes
Lines
69
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 imx1_pin {
	unsigned int pin_id;
	unsigned int mux_id;
	unsigned long config;
};

/**
 * struct imx1_pin_group - describes an IMX pin group
 * @name: the name of this specific pin group
 * @pins: an array of imx1_pin structs used in this group
 * @npins: the number of pins in this group array, i.e. the number of
 *	elements in .pins so we can iterate over that array
 */
struct imx1_pin_group {
	const char *name;
	unsigned int *pin_ids;
	struct imx1_pin *pins;
	unsigned npins;
};

/**
 * struct imx1_pmx_func - describes IMX pinmux functions
 * @name: the name of this specific function
 * @groups: corresponding pin groups
 * @num_groups: the number of groups
 */
struct imx1_pmx_func {
	const char *name;
	const char **groups;
	unsigned num_groups;
};

struct imx1_pinctrl_soc_info {
	struct device *dev;
	const struct pinctrl_pin_desc *pins;
	unsigned int npins;
	struct imx1_pin_group *groups;
	unsigned int ngroups;
	struct imx1_pmx_func *functions;
	unsigned int nfunctions;
};

#define IMX_PINCTRL_PIN(pin) PINCTRL_PIN(pin, #pin)

int imx1_pinctrl_core_probe(struct platform_device *pdev,
			struct imx1_pinctrl_soc_info *info);
#endif /* __DRIVERS_PINCTRL_IMX1_H */

Annotation

Implementation Notes