diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-tegra/gpio.c | 14 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/gpio.h | 7 |
2 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/gpio.c b/arch/arm/mach-tegra/gpio.c index 132dcd6..12090a2 100644 --- a/arch/arm/mach-tegra/gpio.c +++ b/arch/arm/mach-tegra/gpio.c @@ -381,6 +381,20 @@ static int __init tegra_gpio_init(void) postcore_initcall(tegra_gpio_init); +void __init tegra_gpio_config(struct tegra_gpio_table *table, int num) +{ + int i; + + for (i = 0; i < num; i++) { + int gpio = table[i].gpio; + + if (table[i].enable) + tegra_gpio_enable(gpio); + else + tegra_gpio_disable(gpio); + } +} + #ifdef CONFIG_DEBUG_FS #include <linux/debugfs.h> diff --git a/arch/arm/mach-tegra/include/mach/gpio.h b/arch/arm/mach-tegra/include/mach/gpio.h index 12a7cf6..196f114 100644 --- a/arch/arm/mach-tegra/include/mach/gpio.h +++ b/arch/arm/mach-tegra/include/mach/gpio.h @@ -20,6 +20,7 @@ #ifndef __MACH_TEGRA_GPIO_H #define __MACH_TEGRA_GPIO_H +#include <linux/init.h> #include <mach/irqs.h> #define TEGRA_NR_GPIOS INT_GPIO_NR @@ -47,6 +48,12 @@ static inline int irq_to_gpio(unsigned int irq) return -EINVAL; } +struct tegra_gpio_table { + int gpio; /* GPIO number */ + bool enable; /* Enable for GPIO at init? */ +}; + +void tegra_gpio_config(struct tegra_gpio_table *table, int num); void tegra_gpio_enable(int gpio); void tegra_gpio_disable(int gpio); |