6bd925a8b7
This patch describes the Security Module's usage as a GPIO controller for its PIOBU pins. These pins have the special property of maintaining their voltage during suspend-to-mem. Signed-off-by: Andrei Stefanescu <andrei.stefanescu@microchip.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>