pinctrl: mediatek: add MT7988 pinctrl driver

Add pinctrl driver for the MediaTek MT7988 SoC.

Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
[correctly initialise for the function_desc structure]
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/20241217085435.9586-3-linux@fw-web.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Author: dangowrt

drivers/pinctrl/mediatek/Kconfig

@@ -202,6 +202,13 @@ config PINCTRL_MT7986
 	default ARM64 && ARCH_MEDIATEK
 	select PINCTRL_MTK_MOORE
 
+config PINCTRL_MT7988
+	bool "Mediatek MT7988 pin control"
+	depends on OF
+	depends on ARM64 || COMPILE_TEST
+	default ARM64 && ARCH_MEDIATEK
+	select PINCTRL_MTK_MOORE
+
 config PINCTRL_MT8167
 	bool "MediaTek MT8167 pin control"
 	depends on OF

drivers/pinctrl/mediatek/Makefile

@@ -28,6 +28,7 @@ obj-$(CONFIG_PINCTRL_MT7623)		+= pinctrl-mt7623.o
 obj-$(CONFIG_PINCTRL_MT7629)		+= pinctrl-mt7629.o
 obj-$(CONFIG_PINCTRL_MT7981)		+= pinctrl-mt7981.o
 obj-$(CONFIG_PINCTRL_MT7986)		+= pinctrl-mt7986.o
+obj-$(CONFIG_PINCTRL_MT7988)		+= pinctrl-mt7988.o
 obj-$(CONFIG_PINCTRL_MT8167)		+= pinctrl-mt8167.o
 obj-$(CONFIG_PINCTRL_MT8173)		+= pinctrl-mt8173.o
 obj-$(CONFIG_PINCTRL_MT8183)		+= pinctrl-mt8183.o