pinctrl: Add driver support for Amlogic C3 SoCs

Add a new pinctrl driver for Amlogic C3 SoCs which share
the same register layout as the previous Amlogic S4.
Signed-off-by: Huqiang Qin <huqiang.qin@amlogic.com>
Link: https://lore.kernel.org/r/20230714122441.3098337-3-huqiang.qin@amlogic.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/meson/Kconfig

@@ -67,4 +67,10 @@ config PINCTRL_MESON_S4
 	select PINCTRL_MESON_AXG_PMX
 	default y
 
+config PINCTRL_AMLOGIC_C3
+	tristate "Amlogic C3 SoC pinctrl driver"
+	depends on ARM64
+	select PINCTRL_MESON_AXG_PMX
+	default y
+
 endif

drivers/pinctrl/meson/Makefile

@@ -10,3 +10,4 @@ obj-$(CONFIG_PINCTRL_MESON_AXG) += pinctrl-meson-axg.o
 obj-$(CONFIG_PINCTRL_MESON_G12A) += pinctrl-meson-g12a.o
 obj-$(CONFIG_PINCTRL_MESON_A1) += pinctrl-meson-a1.o
 obj-$(CONFIG_PINCTRL_MESON_S4) += pinctrl-meson-s4.o
+obj-$(CONFIG_PINCTRL_AMLOGIC_C3) += pinctrl-amlogic-c3.o