Blackfin arch: Add peripheral io API to gpio header file

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/include/asm-blackfin/mach-bf548/gpio.h b/include/asm-blackfin/mach-bf548/gpio.h
index 8c5847a..dbf66bc 100644 (file)
--- a/include/asm-blackfin/mach-bf548/gpio.h
+++ b/include/asm-blackfin/mach-bf548/gpio.h
@@ -210,3 +210,7 @@ struct gpio_port_t {
        unsigned int port_mux;
 };
 
+int gpio_request(unsigned short gpio, const char *label);
+void peripheral_free(unsigned short per);
+int peripheral_request_list(unsigned short per[], const char *label);
+void peripheral_free_list(unsigned short per[]);