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Commit efd3a8eb authored by Ben Dooks's avatar Ben Dooks
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[ARM] S3C64XX: Add gpio bank numbering 



Define the gpio numbers for the S3C64XX GPIO banks
available on the S3C6400 and S3C6410.

Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 39057f23

arch/arm/mach-s3c6400/include/mach/gpio.h

+71 −1
Original line number Diff line number Diff line
@@ -17,6 +17,76 @@ 
#define gpio_cansleep	__gpio_cansleep

#define gpio_to_irq	__gpio_to_irq



#define ARCH_NR_GPIOS	188

/* GPIO bank sizes */

#define S3C64XX_GPIO_A_NR	(8)

#define S3C64XX_GPIO_B_NR	(7)

#define S3C64XX_GPIO_C_NR	(8)

#define S3C64XX_GPIO_D_NR	(5)

#define S3C64XX_GPIO_E_NR	(5)

#define S3C64XX_GPIO_F_NR	(16)

#define S3C64XX_GPIO_G_NR	(7)

#define S3C64XX_GPIO_H_NR	(10)

#define S3C64XX_GPIO_I_NR	(16)

#define S3C64XX_GPIO_J_NR	(12)

#define S3C64XX_GPIO_K_NR	(16)

#define S3C64XX_GPIO_L_NR	(15)

#define S3C64XX_GPIO_M_NR	(6)

#define S3C64XX_GPIO_N_NR	(16)

#define S3C64XX_GPIO_O_NR	(16)

#define S3C64XX_GPIO_P_NR	(15)

#define S3C64XX_GPIO_Q_NR	(9)



/* GPIO bank numbes */



/* CONFIG_S3C_GPIO_SPACE allows the user to select extra

 * space for debugging purposes so that any accidental

 * change from one gpio bank to another can be caught.

*/



#define S3C64XX_GPIO_NEXT(__gpio) \

	((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1)



enum s3c_gpio_number {

	S3C64XX_GPIO_A_START = 0,

	S3C64XX_GPIO_B_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_A),

	S3C64XX_GPIO_C_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_B),

	S3C64XX_GPIO_D_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_C),

	S3C64XX_GPIO_E_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_D),

	S3C64XX_GPIO_F_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_E),

	S3C64XX_GPIO_G_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_F),

	S3C64XX_GPIO_H_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_G),

	S3C64XX_GPIO_I_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_H),

	S3C64XX_GPIO_J_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_I),

	S3C64XX_GPIO_K_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_J),

	S3C64XX_GPIO_L_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_K),

	S3C64XX_GPIO_M_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_L),

	S3C64XX_GPIO_N_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_M),

	S3C64XX_GPIO_O_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_N),

	S3C64XX_GPIO_P_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_O),

	S3C64XX_GPIO_Q_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_P),

};



/* S3C64XX GPIO number definitions. */



#define S3C64XX_GPA(_nr)	(S3C64XX_GPIO_A_START + (_nr))

#define S3C64XX_GPB(_nr)	(S3C64XX_GPIO_B_START + (_nr))

#define S3C64XX_GPC(_nr)	(S3C64XX_GPIO_C_START + (_nr))

#define S3C64XX_GPD(_nr)	(S3C64XX_GPIO_D_START + (_nr))

#define S3C64XX_GPE(_nr)	(S3C64XX_GPIO_E_START + (_nr))

#define S3C64XX_GPF(_nr)	(S3C64XX_GPIO_F_START + (_nr))

#define S3C64XX_GPG(_nr)	(S3C64XX_GPIO_G_START + (_nr))

#define S3C64XX_GPH(_nr)	(S3C64XX_GPIO_H_START + (_nr))

#define S3C64XX_GPI(_nr)	(S3C64XX_GPIO_I_START + (_nr))

#define S3C64XX_GPJ(_nr)	(S3C64XX_GPIO_J_START + (_nr))

#define S3C64XX_GPK(_nr)	(S3C64XX_GPIO_K_START + (_nr))

#define S3C64XX_GPL(_nr)	(S3C64XX_GPIO_L_START + (_nr))

#define S3C64XX_GPM(_nr)	(S3C64XX_GPIO_M_START + (_nr))

#define S3C64XX_GPN(_nr)	(S3C64XX_GPIO_N_START + (_nr))

#define S3C64XX_GPO(_nr)	(S3C64XX_GPIO_O_START + (_nr))

#define S3C64XX_GPP(_nr)	(S3C64XX_GPIO_P_START + (_nr))

#define S3C64XX_GPQ(_nr)	(S3C64XX_GPIO_Q_START + (_nr))



/* define the number of gpios we need to the one after the GPQ() range */

#define ARCH_NR_GPIOS	(S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1)



#include <asm-generic/gpio.h>

arch/arm/plat-s3c/Kconfig

+11 −0
Original line number Diff line number Diff line
@@ -103,6 +103,17 @@ config S3C_LOWLEVEL_UART_PORT 
	  this configuration should be between zero and two. The port

	  must have been initialised by the boot-loader before use.



# options for gpiolib support



config S3C_GPIO_SPACE

	int "Space between gpio banks"

	default 0

	help

	  Add a number of spare GPIO entries between each bank for debugging

	  purposes. This allows any problems where an counter overflows from

	  one bank to another to be caught, at the expense of using a little

	  more memory.



# device definitions to compile in



config S3C_DEV_HSMMC