On Mon, 21 Jun 2021 20:20:52 +0300, Mauri Sandberg 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 <maukka@xxxxxxxxxxxx> > --- > v4 -> v5: > - renamed gpio-mux-input -> gpio-cascade > - changed vague term 'pin' to 'upstream line' > - added more verbose description for the module > - added missing 'mux-controls' entry > - dropped Tested-by and Reviewed-by due to changes in bindings > v3 -> v4: > - Changed author email > - Included Tested-by and Reviewed-by from Drew > v2 -> v3: added a complete example on dual 4-way multiplexer > v1 -> v2: added a little bit more text in the binding documenation > --- > .../bindings/gpio/gpio-cascade.yaml | 103 ++++++++++++++++++ > 1 file changed, 103 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/gpio-cascade.yaml > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>