# cat /sys/kernel/debug/gpio
GPIOs 0-191, pci/0000:00:0c.0, 0000:00:0c.0:
gpio-61 (SW1UI4 ) in hi
gpio-64 (bcm43xx_irq ) in lo
gpio-71 (bcm_bt_lpm ) out lo
gpio-77 (sd_cd ) in hi
gpio-96 (vwlan ) out hi
gpio-111 (Arduino Shield SS ) out hi
gpio-124 (hsu ) in hi
gpio-125 (hsu ) in hi
gpio-126 (hsu ) in hi
gpio-127 (hsu ) in hi
gpio-128 (hsu ) in lo
gpio-129 (hsu ) out lo
gpio-130 (hsu ) in lo
gpio-131 (hsu ) out hi
gpio-132 (hsu ) in lo
gpio-133 (hsu ) out lo
gpio-134 (hsu ) in lo
gpio-184 (bcm_bt_lpm ) out lo
gpio-185 (bcm_bt_lpm ) in lo
GPIOs 200-215, i2c/1-0020, pcal9555a, can sleep:
gpio-207 (sysfs ) in hi
gpio-215 (sysfs ) out lo
GPIOs 216-231, i2c/1-0021, pcal9555a, can sleep:
GPIOs 232-247, i2c/1-0022, pcal9555a, can sleep:
GPIOs 248-263, i2c/1-0023, pcal9555a, can sleep: