On Tue, Oct 19, 2021 at 10:10 PM Mauri Sandberg [off-list ref] wrote:

Add documentation for a general GPIO cascade. It allows building
one-to-many cascades of GPIO lines using multiplexer to choose
the cascaded line.

Signed-off-by: Mauri Sandberg <redacted>
Reviewed-by: Rob Herring <robh@kernel.org>

Reviewed-by: Linus Walleij <redacted>

Yours,
Linus Walleij