drivers/pinctrl/pinctrl-palmas.c

Source file repositories/reference/linux-study-clean/drivers/pinctrl/pinctrl-palmas.c

File Facts

System
Linux kernel
Corpus path
drivers/pinctrl/pinctrl-palmas.c
Extension
.c
Size
32656 bytes
Lines
1051
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 palmas_pin_function {
	const char *name;
	const char * const *groups;
	unsigned ngroups;
};

struct palmas_pctrl_chip_info {
	struct device *dev;
	struct pinctrl_dev *pctl;
	struct palmas *palmas;
	int pins_current_opt[PALMAS_PIN_NUM];
	const struct palmas_pin_function *functions;
	unsigned num_functions;
	const struct palmas_pingroup *pin_groups;
	int num_pin_groups;
	const struct pinctrl_pin_desc *pins;
	unsigned num_pins;
};

static const struct pinctrl_pin_desc palmas_pins_desc[] = {
	PINCTRL_PIN(PALMAS_PIN_GPIO0_ID, "gpio0"),
	PINCTRL_PIN(PALMAS_PIN_GPIO1_VBUS_LED1_PWM1, "gpio1"),
	PINCTRL_PIN(PALMAS_PIN_GPIO2_REGEN_LED2_PWM2, "gpio2"),
	PINCTRL_PIN(PALMAS_PIN_GPIO3_CHRG_DET, "gpio3"),
	PINCTRL_PIN(PALMAS_PIN_GPIO4_SYSEN1, "gpio4"),
	PINCTRL_PIN(PALMAS_PIN_GPIO5_CLK32KGAUDIO_USB_PSEL, "gpio5"),
	PINCTRL_PIN(PALMAS_PIN_GPIO6_SYSEN2, "gpio6"),
	PINCTRL_PIN(PALMAS_PIN_GPIO7_MSECURE_PWRHOLD, "gpio7"),
	PINCTRL_PIN(PALMAS_PIN_GPIO8_SIM1RSTI, "gpio8"),
	PINCTRL_PIN(PALMAS_PIN_GPIO9_LOW_VBAT, "gpio9"),
	PINCTRL_PIN(PALMAS_PIN_GPIO10_WIRELESS_CHRG1, "gpio10"),
	PINCTRL_PIN(PALMAS_PIN_GPIO11_RCM, "gpio11"),
	PINCTRL_PIN(PALMAS_PIN_GPIO12_SIM2RSTO, "gpio12"),
	PINCTRL_PIN(PALMAS_PIN_GPIO13, "gpio13"),
	PINCTRL_PIN(PALMAS_PIN_GPIO14, "gpio14"),
	PINCTRL_PIN(PALMAS_PIN_GPIO15_SIM2RSTI, "gpio15"),
	PINCTRL_PIN(PALMAS_PIN_VAC, "vac"),
	PINCTRL_PIN(PALMAS_PIN_POWERGOOD_USB_PSEL, "powergood"),
	PINCTRL_PIN(PALMAS_PIN_NRESWARM, "nreswarm"),
	PINCTRL_PIN(PALMAS_PIN_PWRDOWN, "pwrdown"),
	PINCTRL_PIN(PALMAS_PIN_GPADC_START, "gpadc_start"),
	PINCTRL_PIN(PALMAS_PIN_RESET_IN, "reset_in"),
	PINCTRL_PIN(PALMAS_PIN_NSLEEP, "nsleep"),
	PINCTRL_PIN(PALMAS_PIN_ENABLE1, "enable1"),
	PINCTRL_PIN(PALMAS_PIN_ENABLE2, "enable2"),
	PINCTRL_PIN(PALMAS_PIN_INT, "int"),
};

static const char * const opt0_groups[] = {
	"gpio0",
	"gpio1",
	"gpio2",
	"gpio3",
	"gpio4",
	"gpio5",
	"gpio6",
	"gpio7",
	"gpio8",
	"gpio9",
	"gpio10",
	"gpio11",
	"gpio12",
	"gpio13",
	"gpio14",
	"gpio15",
	"vac",
	"powergood",
	"nreswarm",
	"pwrdown",
	"gpadc_start",
	"reset_in",
	"nsleep",
	"enable1",
	"enable2",
	"int",
};

static const char * const opt1_groups[] = {
	"gpio0",
	"gpio1",
	"gpio2",
	"gpio3",
	"gpio4",
	"gpio5",
	"gpio6",
	"gpio7",
	"gpio8",
	"gpio9",
	"gpio10",
	"gpio11",

Annotation

Implementation Notes