mfd: tps65217: Add support for IRQs
Add support for handling IRQs: power button, AC and USB power state changes. Mask and interrupt bits are shared within one register, which prevents us to use regmap_irq implementation. New irq_domain is created in order to add interrupt handling for each tps65217's subsystem. IRQ resources have been added for charger subsystem to be able to notify about AC and USB state changes. Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Tested-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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