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Commit e2178d43 authored by Ben Dooks's avatar Ben Dooks
Browse files

[ARM] S3C24XX: Add extra GPIOs via Kconfig 



Add Kconfig entries to allow more GPIO space to
be specified depending on the machine(s) selected.

Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 8783b344

arch/arm/mach-s3c2410/include/mach/gpio.h

+6 −0
Original line number Diff line number Diff line
@@ -15,4 +15,10 @@ 
#define gpio_set_value	__gpio_set_value

#define gpio_cansleep	__gpio_cansleep



/* some boards require extra gpio capacity to support external

 * devices that need GPIO.

 */



#define ARCH_NR_GPIOS	(256 + CONFIG_S3C24XX_GPIO_EXTRA)



#include <asm-generic/gpio.h>

arch/arm/mach-s3c2440/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@ config MACH_ANUBIS 
	select CPU_S3C2440

	select PM_SIMTEC if PM

	select HAVE_PATA_PLATFORM

	select S3C24XX_GPIO_EXTRA64

	help

	  Say Y here if you are using the Simtec Electronics ANUBIS

	  development system
@@ -39,6 +40,7 @@ config MACH_OSIRIS 
	bool "Simtec IM2440D20 (OSIRIS) module"

	select CPU_S3C2440

	select PM_SIMTEC if PM

	select S3C24XX_GPIO_EXTRA128

	help

	  Say Y here if you are using the Simtec IM2440D20 module, also

	  known as the Osiris.

arch/arm/plat-s3c24xx/Kconfig

+21 −0
Original line number Diff line number Diff line
@@ -28,6 +28,27 @@ config S3C24XX_PWM 
	  Support for exporting the PWM timer blocks via the pwm device

	  system.





# gpio configurations



config S3C24XX_GPIO_EXTRA

	int

	default 128 if S3C24XX_GPIO_EXTRA128

	default 64 if S3C24XX_GPIO_EXTRA64

	default 0



config S3C24XX_GPIO_EXTRA64

	bool

	help

	  Add an extra 64 gpio numbers to the available GPIO pool. This is

	  available for boards that need extra gpios for external devices.



config S3C24XX_GPIO_EXTRA128

	bool

	help

	  Add an extra 128 gpio numbers to the available GPIO pool. This is

	  available for boards that need extra gpios for external devices.



config PM_SIMTEC

	bool

	help