pinctrl: nuvoton: add NPCM8XX pinctrl and GPIO driver

Add pinctrl and GPIO controller driver support to Arbel BMC NPCM8XX SoC.

Arbel BMC NPCM8XX pinctrl driver based on Poleg NPCM7XX, except the
pin mux mapping difference the NPCM8XX GPIO supports adjust debounce
period time.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Link: https://lore.kernel.org/r/20230828140849.21724-3-tmaimon77@gmail.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/nuvoton/Kconfig

@@ -32,3 +32,17 @@ config PINCTRL_NPCM7XX
 	help
 	  Say Y here to enable pin controller and GPIO support
 	  for Nuvoton NPCM750/730/715/705 SoCs.
+
+config PINCTRL_NPCM8XX
+	tristate "Pinctrl and GPIO driver for Nuvoton NPCM8XX"
+	depends on ARCH_NPCM || COMPILE_TEST
+	select PINMUX
+	select PINCONF
+	select GENERIC_PINCONF
+	select GPIOLIB
+	select GPIO_GENERIC
+	select GPIOLIB_IRQCHIP
+	help
+	  Say Y or M here to enable pin controller and GPIO support for
+	  the Nuvoton NPCM8XX SoC. This is strongly recommended when
+	  building a kernel that will run on this chip.

drivers/pinctrl/nuvoton/Makefile

@@ -3,3 +3,4 @@
 
 obj-$(CONFIG_PINCTRL_WPCM450)	+= pinctrl-wpcm450.o
 obj-$(CONFIG_PINCTRL_NPCM7XX)	+= pinctrl-npcm7xx.o
+obj-$(CONFIG_PINCTRL_NPCM8XX)	+= pinctrl-npcm8xx.o