dt-bindings: gpio: Convert X-Powers AXP209 GPIO binding to a schema

The X-Powers AXP PMICs feature a GPIO Controller supported by Linux
thanks to its device tree binding.

Now that we have the DT validation in place, let's convert the device
tree bindings for that driver over to a YAML schema.

Cc: Chen-Yu Tsai <[email protected]>
Cc: Linus Walleij <[email protected]>
Cc: [email protected]
Signed-off-by: Maxime Ripard <[email protected]>
Acked-by: Bartosz Golaszewski <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Acked-by: Chen-Yu Tsai <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

0 files changed, 0 insertions, 0 deletions