Add Kconfig entries to allow more GPIO space to
be specified depending on the machine(s) selected.
Signed-off-by: Ben Dooks <[EMAIL PROTECTED]>
Index: linux-2.6.26-rc9-quilt2/arch/arm/mach-s3c2440/Kconfig
===================================================================
--- linux-2.6.26-rc9-quilt2.orig/arch/arm/mach-s3c2440/Kconfig 2008-07-10
15:06:32.000000000 +0100
+++ linux-2.6.26-rc9-quilt2/arch/arm/mach-s3c2440/Kconfig 2008-07-10
16:01:32.000000000 +0100
@@ -30,6 +30,7 @@ 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
@@ -38,6 +39,7 @@ 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.
Index: linux-2.6.26-rc9-quilt2/arch/arm/plat-s3c24xx/Kconfig
===================================================================
--- linux-2.6.26-rc9-quilt2.orig/arch/arm/plat-s3c24xx/Kconfig 2008-07-10
15:04:53.000000000 +0100
+++ linux-2.6.26-rc9-quilt2/arch/arm/plat-s3c24xx/Kconfig 2008-07-10
16:01:55.000000000 +0100
@@ -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
Index: linux-2.6.26-rc9-quilt2/arch/arm/mach-s3c2410/include/mach/gpio.h
===================================================================
--- linux-2.6.26-rc9-quilt2.orig/arch/arm/mach-s3c2410/include/mach/gpio.h
2008-07-10 15:03:23.000000000 +0100
+++ linux-2.6.26-rc9-quilt2/arch/arm/mach-s3c2410/include/mach/gpio.h
2008-07-10 15:06:56.000000000 +0100
@@ -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>
--
Ben ([EMAIL PROTECTED], http://www.fluff.org/)
'a smiley only costs 4 bytes'
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