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Commit 27d1f736 authored by Andrew Jeffery's avatar Andrew Jeffery Committed by Linus Walleij
Browse files

pinctrl: aspeed: Add PIN_DECL_3() helper 



This case is common in the AST2600, so add to the collection.

Signed-off-by: default avatarAndrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20190729055604.13239-4-andrew@aj.id.au


Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 7b388970

drivers/pinctrl/aspeed/pinmux-aspeed.h

+40 −32
Original line number Diff line number Diff line
@@ -604,38 +604,6 @@ struct aspeed_pin_desc { 
	static const struct aspeed_pin_desc PIN_SYM(pin) = \

		{ #pin, PIN_EXPRS_PTR(pin) }



/**

 * Declare a two-signal pin

 *

 * @pin: The pin number

 * @other: Macro name for "other" functionality (subjected to stringification)

 * @high: Macro name for the highest priority signal functions

 * @low: Macro name for the low signal functions

 *

 * For example:

 *

 *     #define A8 56

 *     SIG_EXPR_DECL(ROMD8, ROM16, SIG_DESC_SET(SCU90, 6));

 *     SIG_EXPR_DECL(ROMD8, ROM16S, SIG_DESC_SET(HW_STRAP1, 4),

 *              { HW_STRAP1, GENMASK(1, 0), 0, 0 });

 *     SIG_EXPR_LIST_DECL(ROMD8, SIG_EXPR_PTR(ROMD8, ROM16),

 *              SIG_EXPR_PTR(ROMD8, ROM16S));

 *     SIG_EXPR_LIST_DECL_SINGLE(NCTS6, NCTS6, SIG_DESC_SET(SCU90, 7));

 *     PIN_DECL_2(A8, GPIOH0, ROMD8, NCTS6);

 */

#define PIN_DECL_2(pin, other, high, low) \

	SIG_EXPR_LIST_DECL_SINGLE(other, other); \

	PIN_DECL_(pin, \

			SIG_EXPR_LIST_PTR(high), \

			SIG_EXPR_LIST_PTR(low), \

			SIG_EXPR_LIST_PTR(other))



#define PIN_GROUP_SYM(func) pins_ ## func

#define FUNC_GROUP_SYM(func) groups_ ## func

#define FUNC_GROUP_DECL(func, ...) \

	static const int PIN_GROUP_SYM(func)[] = { __VA_ARGS__ }; \

	static const char *FUNC_GROUP_SYM(func)[] = { #func }



/**

 * Declare a single signal pin

 *
@@ -670,6 +638,46 @@ struct aspeed_pin_desc { 
	SIG_EXPR_LIST_DECL_SINGLE(other, other); \

	PIN_DECL_(pin, SIG_EXPR_LIST_PTR(sig), SIG_EXPR_LIST_PTR(other)); \

	FUNC_GROUP_DECL(sig, pin)

/**

 * Declare a two-signal pin

 *

 * @pin: The pin number

 * @other: Macro name for "other" functionality (subjected to stringification)

 * @high: Macro name for the highest priority signal functions

 * @low: Macro name for the low signal functions

 *

 * For example:

 *

 *     #define A8 56

 *     SIG_EXPR_DECL(ROMD8, ROM16, SIG_DESC_SET(SCU90, 6));

 *     SIG_EXPR_DECL(ROMD8, ROM16S, SIG_DESC_SET(HW_STRAP1, 4),

 *              { HW_STRAP1, GENMASK(1, 0), 0, 0 });

 *     SIG_EXPR_LIST_DECL(ROMD8, SIG_EXPR_PTR(ROMD8, ROM16),

 *              SIG_EXPR_PTR(ROMD8, ROM16S));

 *     SIG_EXPR_LIST_DECL_SINGLE(NCTS6, NCTS6, SIG_DESC_SET(SCU90, 7));

 *     PIN_DECL_2(A8, GPIOH0, ROMD8, NCTS6);

 */

#define PIN_DECL_2(pin, other, high, low) \

	SIG_EXPR_LIST_DECL_SINGLE(other, other); \

	PIN_DECL_(pin, \

			SIG_EXPR_LIST_PTR(high), \

			SIG_EXPR_LIST_PTR(low), \

			SIG_EXPR_LIST_PTR(other))



#define PIN_DECL_3(pin, other, high, medium, low) \

	SIG_EXPR_LIST_DECL_SINGLE(other, other); \

	PIN_DECL_(pin, \

			SIG_EXPR_LIST_PTR(high), \

			SIG_EXPR_LIST_PTR(medium), \

			SIG_EXPR_LIST_PTR(low), \

			SIG_EXPR_LIST_PTR(other))



#define PIN_GROUP_SYM(func) pins_ ## func

#define FUNC_GROUP_SYM(func) groups_ ## func

#define FUNC_GROUP_DECL(func, ...) \

	static const int PIN_GROUP_SYM(func)[] = { __VA_ARGS__ }; \

	static const char *FUNC_GROUP_SYM(func)[] = { #func }





#define GPIO_PIN_DECL(pin, gpio) \

	SIG_EXPR_LIST_DECL_SINGLE(gpio, gpio); \