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authorBen Dooks <ben-linux@fluff.org>2010-05-03 14:39:45 +0900
committerBen Dooks <ben-linux@fluff.org>2010-05-06 09:25:57 +0900
commit1ec7269fd8b05044f2cb4059b679e053d57460f5 (patch)
tree20addcc19fac614b2954fc1b126d9ae5ca38485e /arch/arm/mach-s3c2440
parent9bbb851c7079ff670ba3fe6c7ce93bb5daa9a694 (diff)
downloadop-kernel-dev-1ec7269fd8b05044f2cb4059b679e053d57460f5.zip
op-kernel-dev-1ec7269fd8b05044f2cb4059b679e053d57460f5.tar.gz
ARM: S3C24XX: Add the gpio pull configuration for pull-up
Add the necessary gpio configuration helper for the devices which have a single-bit pull-up resistor disabled. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/mach-s3c2440')
-rw-r--r--arch/arm/mach-s3c2440/Kconfig1
-rw-r--r--arch/arm/mach-s3c2440/s3c2440.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig
index 7f46526..9d102b9 100644
--- a/arch/arm/mach-s3c2440/Kconfig
+++ b/arch/arm/mach-s3c2440/Kconfig
@@ -6,6 +6,7 @@ config CPU_S3C2440
bool
depends on ARCH_S3C2410
select CPU_ARM920T
+ select S3C_GPIO_PULL_UP
select S3C2410_CLOCK
select S3C2410_PM if PM
select S3C2410_GPIO
diff --git a/arch/arm/mach-s3c2440/s3c2440.c b/arch/arm/mach-s3c2440/s3c2440.c
index 2b68f7e..d50f3ae 100644
--- a/arch/arm/mach-s3c2440/s3c2440.c
+++ b/arch/arm/mach-s3c2440/s3c2440.c
@@ -19,6 +19,7 @@
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/sysdev.h>
+#include <linux/gpio.h>
#include <linux/clk.h>
#include <linux/io.h>
@@ -33,6 +34,10 @@
#include <plat/cpu.h>
#include <plat/s3c244x.h>
+#include <plat/gpio-core.h>
+#include <plat/gpio-cfg.h>
+#include <plat/gpio-cfg-helpers.h>
+
static struct sys_device s3c2440_sysdev = {
.cls = &s3c2440_sysclass,
};
@@ -41,6 +46,9 @@ int __init s3c2440_init(void)
{
printk("S3C2440: Initialising architecture\n");
+ s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up;
+ s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up;
+
/* change irq for watchdog */
s3c_device_wdt.resource[1].start = IRQ_S3C2440_WDT;
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