Quoting Bjorn Andersson (2018-11-02 14:45:32)
> With the introduction of commit 3edfb7bd76bd ("gpiolib: Show correct
> direction from the beginning") the gpiolib will attempt to read the
> direction of all pins, which triggers a read from protected register
> regions.
>
> The pins 0 through 3 and 81 through 84 are protected, so mark these as
> reserved.
>
> Signed-off-by: Bjorn Andersson <[email protected]>
> ---Reviewed-by: Stephen Boyd <[email protected]>
