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-rw-r--r--include/asm-arm/arch-mx31/mx31.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/asm-arm/arch-mx31/mx31.h b/include/asm-arm/arch-mx31/mx31.h
index 0552c27..1d475dde 100644
--- a/include/asm-arm/arch-mx31/mx31.h
+++ b/include/asm-arm/arch-mx31/mx31.h
@@ -27,4 +27,24 @@
extern u32 mx31_get_ipg_clk(void);
extern void mx31_gpio_mux(unsigned long mode);
+enum mx31_gpio_direction {
+ MX31_GPIO_DIRECTION_IN,
+ MX31_GPIO_DIRECTION_OUT,
+};
+
+#ifdef CONFIG_MX31_GPIO
+extern int mx31_gpio_direction(unsigned int gpio,
+ enum mx31_gpio_direction direction);
+extern void mx31_gpio_set(unsigned int gpio, unsigned int value);
+#else
+static inline int mx31_gpio_direction(unsigned int gpio,
+ enum mx31_gpio_direction direction)
+{
+ return 1;
+}
+static inline void mx31_gpio_set(unsigned int gpio, unsigned int value)
+{
+}
+#endif
+
#endif /* __ASM_ARCH_MX31_H */