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2021-05-05dt-bindings: gpio: Binding for Realtek Otto GPIOSander Vanheule
Add a binding description for Realtek's GPIO controller found on several of their MIPS-based SoCs (codenamed Otto), such as the RTL838x and RTL839x series of switch SoCs. A fallback binding 'realtek,otto-gpio' is provided for cases where the actual port ordering is not known yet, and enabling the interrupt controller may result in uncaught interrupts. Signed-off-by: Sander Vanheule <sander@svanheule.net> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>