pinctrl: mediatek: add pinctrl support for MT6779 SoC

This adds MT6779 pinctrl driver based on MediaTek pinctrl-paris core.
Signed-off-by: Mars Cheng <mars.cheng@mediatek.com>
Signed-off-by: Andy Teng <andy.teng@mediatek.com>
Signed-off-by: Hanks Chen <hanks.chen@mediatek.com>
Acked-by: Sean Wang <sean.wang@kernel.org>
Link: https://lore.kernel.org/r/1595503197-15246-5-git-send-email-hanks.chen@mediatek.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/mediatek/Kconfig

@@ -93,6 +93,18 @@ config PINCTRL_MT6765
 	default ARM64 && ARCH_MEDIATEK
 	select PINCTRL_MTK_PARIS
 
+config PINCTRL_MT6779
+	tristate "Mediatek MT6779 pin control"
+	depends on OF
+	depends on ARM64 || COMPILE_TEST
+	default ARM64 && ARCH_MEDIATEK
+	select PINCTRL_MTK_PARIS
+	help
+	  Say yes here to support pin controller and gpio driver
+	  on Mediatek MT6779 SoC.
+	  In MTK platform, we support virtual gpio and use it to
+	  map specific eint which doesn't have real gpio pin.
+
 config PINCTRL_MT6797
 	bool "Mediatek MT6797 pin control"
 	depends on OF

drivers/pinctrl/mediatek/Makefile

@@ -12,6 +12,7 @@ obj-$(CONFIG_PINCTRL_MT2712)	+= pinctrl-mt2712.o
 obj-$(CONFIG_PINCTRL_MT8135)	+= pinctrl-mt8135.o
 obj-$(CONFIG_PINCTRL_MT8127)	+= pinctrl-mt8127.o
 obj-$(CONFIG_PINCTRL_MT6765)	+= pinctrl-mt6765.o
+obj-$(CONFIG_PINCTRL_MT6779)	+= pinctrl-mt6779.o
 obj-$(CONFIG_PINCTRL_MT6797)	+= pinctrl-mt6797.o
 obj-$(CONFIG_PINCTRL_MT7622)	+= pinctrl-mt7622.o
 obj-$(CONFIG_PINCTRL_MT7623)	+= pinctrl-mt7623.o