drivers/pinctrl/vt8500/pinctrl-wmt.h

Source file repositories/reference/linux-study-clean/drivers/pinctrl/vt8500/pinctrl-wmt.h

File Facts

System
Linux kernel
Corpus path
drivers/pinctrl/vt8500/pinctrl-wmt.h
Extension
.h
Size
1584 bytes
Lines
71
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 wmt_pinctrl_bank_registers {
	u32	reg_en;
	u32	reg_dir;
	u32	reg_data_out;
	u32	reg_data_in;

	u32	reg_pull_en;
	u32	reg_pull_cfg;
};

struct wmt_pinctrl_group {
	const char *name;
	const unsigned int *pins;
	const unsigned npins;
};

struct wmt_pinctrl_data {
	struct device *dev;
	struct pinctrl_dev *pctl_dev;

	/* must be initialized before calling wmt_pinctrl_probe */
	void __iomem *base;
	const struct wmt_pinctrl_bank_registers *banks;
	const struct pinctrl_pin_desc *pins;
	const char * const *groups;

	u32 nbanks;
	u32 npins;
	u32 ngroups;

	struct gpio_chip gpio_chip;
	struct pinctrl_gpio_range gpio_range;
};

int wmt_pinctrl_probe(struct platform_device *pdev,
		      struct wmt_pinctrl_data *data);

Annotation

Implementation Notes