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Diffstat (limited to 'arch/blackfin/include/asm')
-rw-r--r--arch/blackfin/include/asm/gpio.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h
index b650ef080..9c0e5d195 100644
--- a/arch/blackfin/include/asm/gpio.h
+++ b/arch/blackfin/include/asm/gpio.h
@@ -196,6 +196,59 @@ static inline int gpio_is_valid(int number)
return number >= 0 && number < MAX_BLACKFIN_GPIOS;
}
+#include <linux/ctype.h>
+
+static inline int name_to_gpio(const char *name)
+{
+ int port_base;
+
+ if (tolower(*name) == 'p') {
+ ++name;
+
+ switch (tolower(*name)) {
+#ifdef GPIO_PA0
+ case 'a': port_base = GPIO_PA0; break;
+#endif
+#ifdef GPIO_PB0
+ case 'b': port_base = GPIO_PB0; break;
+#endif
+#ifdef GPIO_PC0
+ case 'c': port_base = GPIO_PC0; break;
+#endif
+#ifdef GPIO_PD0
+ case 'd': port_base = GPIO_PD0; break;
+#endif
+#ifdef GPIO_PE0
+ case 'e': port_base = GPIO_PE0; break;
+#endif
+#ifdef GPIO_PF0
+ case 'f': port_base = GPIO_PF0; break;
+#endif
+#ifdef GPIO_PG0
+ case 'g': port_base = GPIO_PG0; break;
+#endif
+#ifdef GPIO_PH0
+ case 'h': port_base = GPIO_PH0; break;
+#endif
+#ifdef GPIO_PI0
+ case 'i': port_base = GPIO_PI0; break;
+#endif
+#ifdef GPIO_PJ
+ case 'j': port_base = GPIO_PJ0; break;
+#endif
+ default: return -1;
+ }
+
+ ++name;
+ } else
+ port_base = 0;
+
+ return port_base + simple_strtoul(name, NULL, 10);
+}
+#define name_to_gpio(n) name_to_gpio(n)
+
+#define gpio_status() bfin_gpio_labels()
+
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_BLACKFIN_GPIO_H__ */