diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-01-15 14:24:02 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-01-15 14:24:02 +0100 |
| commit | bbba75606963c82febf7bd2761ea848ac5d1a1bb (patch) | |
| tree | 50880b4539c578c407f6c1aa605fddf5e371bb7e /arch/arm/plat-samsung/gpio-config.c | |
| parent | Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/... (diff) | |
| parent | ARM: S5PV310: Add Support System MMU (diff) | |
| download | linux-bbba75606963c82febf7bd2761ea848ac5d1a1bb.tar.xz linux-bbba75606963c82febf7bd2761ea848ac5d1a1bb.zip | |
Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into devel-stable
Diffstat (limited to 'arch/arm/plat-samsung/gpio-config.c')
| -rw-r--r-- | arch/arm/plat-samsung/gpio-config.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c index 0aa32f242ee4..1c0b0401594b 100644 --- a/arch/arm/plat-samsung/gpio-config.c +++ b/arch/arm/plat-samsung/gpio-config.c @@ -278,6 +278,48 @@ s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip, pup &= 0x3; return (__force s3c_gpio_pull_t)pup; } + +#ifdef CONFIG_S3C_GPIO_PULL_S3C2443 +int s3c_gpio_setpull_s3c2443(struct s3c_gpio_chip *chip, + unsigned int off, s3c_gpio_pull_t pull) +{ + switch (pull) { + case S3C_GPIO_PULL_NONE: + pull = 0x01; + break; + case S3C_GPIO_PULL_UP: + pull = 0x00; + break; + case S3C_GPIO_PULL_DOWN: + pull = 0x02; + break; + } + return s3c_gpio_setpull_updown(chip, off, pull); +} + +s3c_gpio_pull_t s3c_gpio_getpull_s3c2443(struct s3c_gpio_chip *chip, + unsigned int off) +{ + s3c_gpio_pull_t pull; + + pull = s3c_gpio_getpull_updown(chip, off); + + switch (pull) { + case 0x00: + pull = S3C_GPIO_PULL_UP; + break; + case 0x01: + case 0x03: + pull = S3C_GPIO_PULL_NONE; + break; + case 0x02: + pull = S3C_GPIO_PULL_DOWN; + break; + } + + return pull; +} +#endif #endif #if defined(CONFIG_S3C_GPIO_PULL_UP) || defined(CONFIG_S3C_GPIO_PULL_DOWN) |