[Mango210] GPIO export 번호 알기 mount -t debugfs none /sys/kernel/debug

커널에서
gpio export 어플에서 하려면
gpio 번호를 알아야 합니다.
파일 시스템은 linux 파일 시스템에서 확인 했습니다.
커널 configuration 아래와 같이 해야 합니다.
CONFIG_GPIO_SYSFS=y

CONFIG_DEBUG_FS=y

# mount -t debugfs none /sys/kernel/debug

# cat /sys/kernel/debug/gpio

GPIOs 0-7, GPA0:

 gpio-2   (sysfs               ) out lo

 gpio-3   (sysfs               ) out lo

GPIOs 9-12, GPA1:

GPIOs 14-21, GPB:

GPIOs 23-27, GPC0:

GPIOs 29-33, GPC1:

GPIOs 35-38, GPD0:

GPIOs 40-45, GPD1:

 gpio-40  (sda                 ) in  hi

 gpio-41  (scl                 ) in  hi

 gpio-44  (sda                 ) in  hi

 gpio-45  (scl                 ) in  hi

GPIOs 47-54, GPE0:

GPIOs 56-60, GPE1:

GPIOs 62-69, GPF0:

GPIOs 71-78, GPF1:

GPIOs 80-87, GPF2:

GPIOs 89-94, GPF3:

GPIOs 96-102, GPG0:

GPIOs 104-110, GPG1:

GPIOs 112-118, GPG2:

GPIOs 120-126, GPG3:

GPIOs 128-135, GPH0:

 gpio-129 (GPH0                ) in  hi irq-33 edge-both

 gpio-130 (GPH0                ) in  hi irq-34 edge-both

GPIOs 137-144, GPH1:

GPIOs 146-153, GPH2:

GPIOs 155-162, GPH3:

GPIOs 164-170, GPI:

GPIOs 172-179, GPJ0:

GPIOs 181-186, GPJ1:

GPIOs 188-195, GPJ2:

GPIOs 197-204, GPJ3:

GPIOs 206-210, GPJ4:

GPIOs 212-219, MP01:

GPIOs 221-224, MP02:

GPIOs 226-233, MP03:

GPIOs 235-242, MP04:

GPIOs 244-251, MP05:

GPIOs 253-260, MP06:

GPIOs 262-269, MP07:

GPIOs 271-278, MP10:

GPIOs 280-287, MP11:

GPIOs 289-296, MP12:

GPIOs 298-305, MP13:

GPIOs 307-314, MP14:

GPIOs 316-323, MP15:

GPIOs 325-332, MP16:

GPIOs 334-341, MP17:

GPIOs 343-349, MP18:

GPIOs 351-358, MP20:

GPIOs 360-367, MP21:

GPIOs 369-376, MP22:

GPIOs 378-385, MP23:

GPIOs 387-394, MP24:

GPIOs 396-403, MP25:

GPIOs 405-412, MP26:

GPIOs 414-421, MP27:

GPIOs 423-429, MP28:

GPIOs 431-436, ETC0:

GPIOs 438-445, ETC1:

GPIOs 447-454, ETC2:

GPIOs 456-461, ETC4: