pinctrl/spear/pinctrl-plgpio.c

27 #define PIN_OFFSET(pin)			(pin % MAX_GPIO_PER_REG)
28 #define REG_OFFSET(base, reg, pin)	(base + reg + (pin / MAX_GPIO_PER_REG) \
59  * p2o: function ptr for pin to offset conversion. This is required only for
60  *	machines where mapping b/w pin and offset is not 1-to-1.
61  * o2p: function ptr for offset to pin conversion. This is required only for
62  *	machines where mapping b/w pin and offset is not 1-to-1.
72 	int			(*p2o)(int pin);	/* pin_to_offset */
82 static inline u32 is_plgpio_set(struct regmap *regmap, u32 pin, u32 reg)
84 	u32 offset = PIN_OFFSET(pin);
85 	u32 reg_off = REG_OFFSET(0, reg, pin);
93 static inline void plgpio_reg_set(struct regmap *regmap, u32 pin, u32 reg)
95 	u32 offset = PIN_OFFSET(pin);
96 	u32 reg_off = REG_OFFSET(0, reg, pin);
103 static inline void plgpio_reg_reset(struct regmap *regmap, u32 pin, u32 reg)
105 	u32 offset = PIN_OFFSET(pin);
106 	u32 reg_off = REG_OFFSET(0, reg, pin);
120 	/* get correct offset for "offset" pin */
141 	/* get correct offset for "offset" pin */
174 	/* get correct offset for "offset" pin */
191 	/* get correct offset for "offset" pin */
233 	/* get correct offset for "offset" pin */
266 	/* get correct offset for "offset" pin */
292 	/* get correct offset for "offset" pin */
312 	/* get correct offset for "offset" pin */
373 	int regs_count, count, pin, offset, i = 0;
404 			/* get correct pin for "offset" */
406 				pin = plgpio->o2p(offset);
407 				if (pin == -1)
410 				pin = offset;
413 			pin = i * MAX_GPIO_PER_REG + pin;
414 			generic_handle_domain_irq(gc->irq.domain, pin);
421  * pin to offset and offset to pin converter functions
424  * for different plgpio pins. For example: for pin 27, bit offset is 23, pin
425  * 28-33 are not supported, pin 95 has offset bit 95, bit 100 has offset bit 1
427 static int spear310_p2o(int pin)
429 	int offset = pin;
431 	if (pin <= 27)
433 	else if (pin <= 33)
435 	else if (pin <= 97)
437 	else if (pin <= 101)
438 		offset = 101 - pin;