diff options
Diffstat (limited to 'arch/arm/mach-davinci/include/mach/gpio.h')
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/gpio.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h index ae0745568316..f3b8ef878158 100644 --- a/arch/arm/mach-davinci/include/mach/gpio.h +++ b/arch/arm/mach-davinci/include/mach/gpio.h @@ -42,6 +42,9 @@ */ #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)) + struct gpio_controller { u32 dir; u32 out_data; @@ -78,6 +81,8 @@ __gpio_to_controller(unsigned gpio) ptr = base + 0x60; else if (gpio < 32 * 4) ptr = base + 0x88; + else if (gpio < 32 * 5) + ptr = base + 0xb0; else ptr = NULL; return ptr; @@ -142,15 +147,13 @@ static inline int gpio_cansleep(unsigned gpio) static inline int gpio_to_irq(unsigned gpio) { - if (gpio >= DAVINCI_N_GPIO) - return -EINVAL; - return davinci_soc_info.intc_irq_num + gpio; + return __gpio_to_irq(gpio); } static inline int irq_to_gpio(unsigned irq) { - /* caller guarantees gpio_to_irq() succeeded */ - return irq - davinci_soc_info.intc_irq_num; + /* don't support the reverse mapping */ + return -ENOSYS; } #endif /* __DAVINCI_GPIO_H */ |