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The ast2600 is a new generation of SoC from ASPEED. Similarly to the ast2400 and ast2500, it has a GPIO controller for it's 3.3V GPIO pins. Additionally, it has a GPIO controller for 36 1.8V GPIO pins. We use the ngpio property to differentiate between these controllers. Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com> Link: https://lore.kernel.org/r/20190906062547.13264-1-rashmica.g@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>