diff options
Diffstat (limited to 'include/linux/platform_data/gpio-davinci.h')
| -rw-r--r-- | include/linux/platform_data/gpio-davinci.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/platform_data/gpio-davinci.h b/include/linux/platform_data/gpio-davinci.h index 2fcc125af1a..6efd2026458 100644 --- a/include/linux/platform_data/gpio-davinci.h +++ b/include/linux/platform_data/gpio-davinci.h @@ -16,10 +16,45 @@ #ifndef __DAVINCI_GPIO_PLATFORM_H #define __DAVINCI_GPIO_PLATFORM_H +#include <linux/io.h> +#include <linux/spinlock.h> + +#include <asm-generic/gpio.h> + +enum davinci_gpio_type { + GPIO_TYPE_TNETV107X = 0, +}; + struct davinci_gpio_platform_data { u32 ngpio; u32 gpio_unbanked; u32 intc_irq_num; }; + +struct davinci_gpio_controller { + struct gpio_chip chip; + int irq_base; + /* Serialize access to GPIO registers */ + spinlock_t lock; + void __iomem *regs; + void __iomem *set_data; + void __iomem *clr_data; + void __iomem *in_data; + int gpio_unbanked; + unsigned gpio_irq; +}; + +/* + * basic gpio routines + */ +#define GPIO(X) (X) /* 0 <= X <= (DAVINCI_N_GPIO - 1) */ + +/* Convert GPIO signal to GPIO pin number */ +#define GPIO_TO_PIN(bank, gpio) (16 * (bank) + (gpio)) + +static inline u32 __gpio_mask(unsigned gpio) +{ + return 1 << (gpio % 32); +} #endif |