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  1. Hi: when iI'm using gpio of orangepi zero+, I found gpio is not usable, I can't find any way to let it work,please help me ! the device of gpio is: gpiochip0 -> ../../devices/platform/soc/1c20800.pinctrl/gpio/gpiochip0/ lrwxrwxrwx 1 root root 0 Jan 1 1970 gpiochip352 -> ../../devices/platform/soc/1f02c00.pinctrl/gpio/gpiochip352/ but the Orangepi Zero's gpio is : gpiochip0 -> ../../devices/platform/soc/sunxi-gpio.pinctrl/gpio/gpiochip0/ is it the reason? how to let the gpio device work? please help me!