diff options
| -rw-r--r-- | arch/arm/plat-samsung/gpio-config.c | 21 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h | 6 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/include/plat/gpio-cfg.h | 5 |
3 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c index 1c0b040..a899173 100644 --- a/arch/arm/plat-samsung/gpio-config.c +++ b/arch/arm/plat-samsung/gpio-config.c @@ -130,6 +130,27 @@ s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin) } EXPORT_SYMBOL(s3c_gpio_getpull); +int s3c_gpio_setpin(unsigned int pin, s3c_gpio_pull_t level) +{ + struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); + unsigned long flags; + int offset, ret; + + if (!chip) + return -EINVAL; + + offset = pin - chip->chip.base; + + local_irq_save(flags); + //ret = s3c_gpio_do_setpin(chip, offset, level); + ret = (chip->config->set_pin)(chip, offset, level); + local_irq_restore(flags); + + return ret; +} + +EXPORT_SYMBOL(s3c_gpio_setpin); + #ifdef CONFIG_S3C_GPIO_CFG_S3C24XX int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip, unsigned int off, unsigned int cfg) diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h index 3ad8386..33cc2ca 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h +++ b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h @@ -48,6 +48,12 @@ static inline s3c_gpio_pull_t s3c_gpio_do_getpull(struct s3c_gpio_chip *chip, return chip->config->get_pull(chip, off); } +static inline int s3c_gpio_do_setpin(struct s3c_gpio_chip *chip, + unsigned int off, s3c_gpio_pull_t level) +{ + return (chip->config->set_pin)(chip, off, level); +} + /** * s3c_gpio_setcfg_s3c24xx - S3C24XX style GPIO configuration. * @chip: The gpio chip that is being configured. diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h index 1762dcb..60b7460 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h +++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h @@ -56,11 +56,16 @@ struct s3c_gpio_cfg { int (*set_pull)(struct s3c_gpio_chip *chip, unsigned offs, s3c_gpio_pull_t pull); + int (*set_pin)(struct s3c_gpio_chip *chip, unsigned offs, + s3c_gpio_pull_t level); + unsigned (*get_config)(struct s3c_gpio_chip *chip, unsigned offs); int (*set_config)(struct s3c_gpio_chip *chip, unsigned offs, unsigned config); }; +extern int s3c_gpio_setpin(unsigned int pin, s3c_gpio_pull_t level); + #define S3C_GPIO_SPECIAL_MARK (0xfffffff0) #define S3C_GPIO_SPECIAL(x) (S3C_GPIO_SPECIAL_MARK | (x)) |