drivers: pinctrl: Add pinctrl driver for Microchip PIC32.
In PIC32 pin-controller is a combined gpio-controller, pin-mux and pin-config module. Remappable peripherals are assigned pins through per-pin based muxing logic. And pin configuration are performed on specific port registers which are shared along with gpio controller. Note, non-remappable peripherals have default pins assigned thus require no muxing. Signed-off-by: NPurna Chandra Mandal <purna.mandal@microchip.com> Reviewed-by: NTom Rini <trini@konsulko.com> Reviewed-by: NDaniel Schwierzeck <daniel.schwierzeck@gmail.com> Reviewed-by: NSimon Glass <sjg@chromium.org>
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drivers/pinctrl/pinctrl_pic32.c
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