1|sp9832e_1h10:/ # cat ./sys/kernel/debug/gpio
GPIOs 0-255, platform/40280000.gpio-controller, sprd-ap-gpio:
gpio-50 ( |? ) out lo
gpio-52 ( |ltr558_irq_pin ) in hi
gpio-53 ( |magnetic_reset ) out hi
gpio-55 ( |acceleremter_INT1 ) in lo
gpio-76 ( |flash-en-gpios ) in lo
gpio-78 ( |cd ) in hi
gpio-85 ( |boost_mode ) out lo
gpio-88 ( |flash-torch-en-gpios) in lo
gpio-89 ( |flash-chip-en-gpios ) out hi
gpio-121 ( |boost_enable ) out hi
gpio-141 ( |flash-sync-gpios ) in lo
gpio-144 ( |adaptive_ts_int ) in hi
gpio-145 ( |adaptive_ts_rst ) out hi
GPIOs 288-319, platform/40210000.gpio-controller, sprd-ap-eic:
gpio-290 ( |Volume Down Key ) in hi
GPIOs 320-335, platform/40380000.spi:pmic@0:gpio-controller@280, sprd-pmic-eic:
gpio-320 ( |musb vbus detect ) in hi
gpio-321 ( |Power Key ) in hi
gpio-323 ( |button ) in lo
gpio-325 ( |detect_mic ) in lo
gpio-328 ( |detect_l ) in lo
gpio-329 ( |vbat_detect ) in hi
gpio-330 ( |Volume Up Key ) in lo
gpio-332 ( |detect_h ) in lo
gpio-333 ( |detect_all ) in lo