pinctrl: meson: add pinctrl driver support for Meson-S4 Soc

Add new pinctrl driver for Amlogic's Meson-S4 SoC which share the
same register layout as the previous Meson-A1.
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Qianggui Song <qianggui.song@amlogic.com>
Link: https://lore.kernel.org/r/20220113031044.2665-4-qianggui.song@amlogic.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/meson/Kconfig

@@ -61,4 +61,10 @@ config PINCTRL_MESON_A1
 	select PINCTRL_MESON_AXG_PMX
 	default y
 
+config PINCTRL_MESON_S4
+	tristate "Meson s4 Soc pinctrl driver"
+	depends on ARM64
+	select PINCTRL_MESON_AXG_PMX
+	default y
+
 endif

drivers/pinctrl/meson/Makefile

@@ -9,3 +9,4 @@ obj-$(CONFIG_PINCTRL_MESON_AXG_PMX) += pinctrl-meson-axg-pmx.o
 obj-$(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