Commit 0627b71f authored by Mathieu Dubois-Briand's avatar Mathieu Dubois-Briand Committed by Lee Jones
Browse files

gpio: regmap: Allow to provide init_valid_mask callback 



Allows to populate the gpio_regmap_config structure with
init_valid_mask() callback to set on the final gpio_chip structure.

Reviewed-by: default avatarMichael Walle <mwalle@kernel.org>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: default avatarMathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Link: https://lore.kernel.org/r/20250824-mdb-max7360-support-v14-6-435cfda2b1ea@bootlin.com


Signed-off-by: default avatarLee Jones <lee@kernel.org>
parent 553b75d4

drivers/gpio/gpio-regmap.c

+1 −0
Original line number Diff line number Diff line
@@ -261,6 +261,7 @@ struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *config 
	chip->names = config->names;

	chip->label = config->label ?: dev_name(config->parent);

	chip->can_sleep = regmap_might_sleep(config->regmap);

	chip->init_valid_mask = config->init_valid_mask;



	chip->request = gpiochip_generic_request;

	chip->free = gpiochip_generic_free;

include/linux/gpio/regmap.h

+7 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
struct device;

struct fwnode_handle;

struct gpio_regmap;

struct gpio_chip;

struct irq_domain;

struct regmap;
@@ -40,6 +41,8 @@ struct regmap; 
 * @drvdata:		(Optional) Pointer to driver specific data which is

 *			not used by gpio-remap but is provided "as is" to the

 *			driver callback(s).

 * @init_valid_mask:	(Optional) Routine to initialize @valid_mask, to be used

 *			if not all GPIOs are valid.

 * @regmap_irq_chip:	(Optional) Pointer on an regmap_irq_chip structure. If

 *			set, a regmap-irq device will be created and the IRQ

 *			domain will be set accordingly.
@@ -93,6 +96,10 @@ struct gpio_regmap_config { 
			      unsigned int offset, unsigned int *reg,

			      unsigned int *mask);



	int (*init_valid_mask)(struct gpio_chip *gc,

			       unsigned long *valid_mask,

			       unsigned int ngpios);



	void *drvdata;

};