summaryrefslogtreecommitdiff
path: root/drivers/gpio
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/Kconfig28
-rw-r--r--drivers/gpio/gpio-exynos4.c29
2 files changed, 33 insertions, 24 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 4a7f63143455..2967002a9f82 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -87,32 +87,20 @@ config GPIO_IT8761E
Say yes here to support GPIO functionality of IT8761E super I/O chip.
config GPIO_EXYNOS4
- bool "Samsung Exynos4 GPIO library support"
- default y if CPU_EXYNOS4210
- depends on ARM
- help
- Say yes here to support Samsung Exynos4 series SoCs GPIO library
+ def_bool y
+ depends on CPU_EXYNOS4210
config GPIO_PLAT_SAMSUNG
- bool "Samsung SoCs GPIO library support"
- default y if SAMSUNG_GPIOLIB_4BIT
- depends on ARM
- help
- Say yes here to support Samsung SoCs GPIO library
+ def_bool y
+ depends on SAMSUNG_GPIOLIB_4BIT
config GPIO_S5PC100
- bool "Samsung S5PC100 GPIO library support"
- default y if CPU_S5PC100
- depends on ARM
- help
- Say yes here to support Samsung S5PC100 SoCs GPIO library
+ def_bool y
+ depends on CPU_S5PC100
config GPIO_S5PV210
- bool "Samsung S5PV210/S5PC110 GPIO library support"
- default y if CPU_S5PV210
- depends on ARM
- help
- Say yes here to support Samsung S5PV210/S5PC110 SoCs GPIO library
+ def_bool y
+ depends on CPU_S5PV210
config GPIO_PL061
bool "PrimeCell PL061 GPIO support"
diff --git a/drivers/gpio/gpio-exynos4.c b/drivers/gpio/gpio-exynos4.c
index d54ca6adb660..9029835112e7 100644
--- a/drivers/gpio/gpio-exynos4.c
+++ b/drivers/gpio/gpio-exynos4.c
@@ -21,16 +21,37 @@
#include <plat/gpio-cfg.h>
#include <plat/gpio-cfg-helpers.h>
+int s3c_gpio_setpull_exynos4(struct s3c_gpio_chip *chip,
+ unsigned int off, s3c_gpio_pull_t pull)
+{
+ if (pull == S3C_GPIO_PULL_UP)
+ pull = 3;
+
+ return s3c_gpio_setpull_updown(chip, off, pull);
+}
+
+s3c_gpio_pull_t s3c_gpio_getpull_exynos4(struct s3c_gpio_chip *chip,
+ unsigned int off)
+{
+ s3c_gpio_pull_t pull;
+
+ pull = s3c_gpio_getpull_updown(chip, off);
+ if (pull == 3)
+ pull = S3C_GPIO_PULL_UP;
+
+ return pull;
+}
+
static struct s3c_gpio_cfg gpio_cfg = {
.set_config = s3c_gpio_setcfg_s3c64xx_4bit,
- .set_pull = s3c_gpio_setpull_updown,
- .get_pull = s3c_gpio_getpull_updown,
+ .set_pull = s3c_gpio_setpull_exynos4,
+ .get_pull = s3c_gpio_getpull_exynos4,
};
static struct s3c_gpio_cfg gpio_cfg_noint = {
.set_config = s3c_gpio_setcfg_s3c64xx_4bit,
- .set_pull = s3c_gpio_setpull_updown,
- .get_pull = s3c_gpio_getpull_updown,
+ .set_pull = s3c_gpio_setpull_exynos4,
+ .get_pull = s3c_gpio_getpull_exynos4,
};
/*