1 files changed, 50 insertions, 0 deletions

diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c
index e3d41eaed1f..b732b773b9a 100644
--- a/arch/arm/plat-samsung/gpio-config.c
+++ b/arch/arm/plat-samsung/gpio-config.c
@@ -41,6 +41,37 @@ int s3c_gpio_cfgpin(unsigned int pin, unsigned int config)
 }
 EXPORT_SYMBOL(s3c_gpio_cfgpin);
 
+int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr,
+                          unsigned int cfg)
+{
+        int ret;
+
+        for (; nr > 0; nr--, start++) {
+                ret = s3c_gpio_cfgpin(start, cfg);
+                if (ret != 0)
+                        return ret;
+        }
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(s3c_gpio_cfgpin_range);
+
+int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr,
+                          unsigned int cfg, s3c_gpio_pull_t pull)
+{
+        int ret;
+
+        for (; nr > 0; nr--, start++) {
+                s3c_gpio_setpull(start, pull);
+                ret = s3c_gpio_cfgpin(start, cfg);
+                if (ret != 0)
+                        return ret;
+        }
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(s3c_gpio_cfgall_range);
+
 unsigned s3c_gpio_getcfg(unsigned int pin)
 {
         struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
@@ -80,6 +111,25 @@ int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull)
 }
 EXPORT_SYMBOL(s3c_gpio_setpull);
 
+s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin)
+{
+        struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
+        unsigned long flags;
+        int offset;
+        u32 pup = 0;
+
+        if (chip) {
+                offset = pin - chip->chip.base;
+
+                s3c_gpio_lock(chip, flags);
+                pup = s3c_gpio_do_getpull(chip, offset);
+                s3c_gpio_unlock(chip, flags);
+        }
+
+        return (__force s3c_gpio_pull_t)pup;
+}
+EXPORT_SYMBOL(s3c_gpio_getpull);
+
 #ifdef CONFIG_S3C_GPIO_CFG_S3C24XX
 int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
                               unsigned int off, unsigned int cfg)