Commit 443a0a0f authored by Andy Shevchenko's avatar Andy Shevchenko
Browse files

pinctrl: Introduce struct pinfunction and PINCTRL_PINFUNCTION() macro 



There are many pin control drivers define their own data type for
pin function representation which is the same or embed the same data
as newly introduced one. Provide the data type and convenient macro
for all pin control drivers.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Acked-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent ed153b07

include/linux/pinctrl/pinctrl.h

+20 −0
Original line number Diff line number Diff line
@@ -206,6 +206,26 @@ extern int pinctrl_get_group_pins(struct pinctrl_dev *pctldev, 
				const char *pin_group, const unsigned **pins,

				unsigned *num_pins);



/**

 * struct pinfunction - Description about a function

 * @name: Name of the function

 * @groups: An array of groups for this function

 * @ngroups: Number of groups in @groups

 */

struct pinfunction {

	const char *name;

	const char * const *groups;

	size_t ngroups;

};



/* Convenience macro to define a single named pinfunction */

#define PINCTRL_PINFUNCTION(_name, _groups, _ngroups)	\

(struct pinfunction) {					\

		.name = (_name),			\

		.groups = (_groups),			\

		.ngroups = (_ngroups),			\

	}



#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PINCTRL)

extern struct pinctrl_dev *of_pinctrl_get(struct device_node *np);

#else