at91: add new gpio pin definitions

[karo-tx-uboot.git] / arch / arm / include / asm / arch-at91 / gpio.h

diff --git a/arch/arm/include/asm/arch-at91/gpio.h b/arch/arm/include/asm/arch-at91/gpio.h
index 0700427fa4b79165bda89887afcb67b1de4f06ec..b340afef19d39266a01a1292b3c52633e4bf25bc 100644 (file)
--- a/arch/arm/include/asm/arch-at91/gpio.h
+++ b/arch/arm/include/asm/arch-at91/gpio.h
@@ -231,4 +231,26 @@ static inline unsigned pin_to_mask(unsigned pin)
 #define at91_set_gpio_value(x, y)      at91_set_pio_value(x, y)
 #define at91_get_gpio_value(x)         at91_get_pio_value(x)
 #endif
-#endif
+
+#define GPIO_PIOA_BASE  (0)
+#define GPIO_PIOB_BASE  (GPIO_PIOA_BASE + 32)
+#define GPIO_PIOC_BASE  (GPIO_PIOB_BASE + 32)
+#define GPIO_PIOD_BASE  (GPIO_PIOC_BASE + 32)
+#define GPIO_PIOE_BASE  (GPIO_PIOD_BASE + 32)
+#define GPIO_PIN_PA(x)  (GPIO_PIOA_BASE + (x))
+#define GPIO_PIN_PB(x)  (GPIO_PIOB_BASE + (x))
+#define GPIO_PIN_PC(x)  (GPIO_PIOC_BASE + (x))
+#define GPIO_PIN_PD(x)  (GPIO_PIOD_BASE + (x))
+#define GPIO_PIN_PE(x)  (GPIO_PIOE_BASE + (x))
+
+static inline unsigned at91_gpio_to_port(unsigned gpio)
+{
+       return gpio / 32;
+}
+
+static inline unsigned at91_gpio_to_pin(unsigned gpio)
+{
+       return gpio % 32;
+}
+
+#endif /* __ASM_ARCH_AT91_GPIO_H */