gpio: syscon: add soc specific callback to assign output value
Some SoCs (like Keystone) may require to perform special sequence of operations to assign output GPIO value, so default implementation of .set() callback from gpio-syscon driver can't be used. Hence, add optional, SoC specific callback to assign output gpio value. Signed-off-by: NGrygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
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