diff --git a/target/linux/mediatek/patches-5.4/402-pinctrl-add-mt7981-driver.patch b/target/linux/mediatek/patches-5.4/402-pinctrl-add-mt7981-driver.patch
new file mode 100644
index 0000000..9e67ee7
--- /dev/null
+++ b/target/linux/mediatek/patches-5.4/402-pinctrl-add-mt7981-driver.patch
@@ -0,0 +1,41 @@
+From 1b529849f324edec053a34292e3f874bde8f7401 Mon Sep 17 00:00:00 2001
+From: Sam Shih <sam.shih@mediatek.com>
+Date: Fri, 25 Jun 2021 15:43:55 +0800
+Subject: [PATCH] Add mt7981 pinctrl driver support
+
+---
+ drivers/pinctrl/mediatek/Kconfig  | 7 +++++++
+ drivers/pinctrl/mediatek/Makefile | 1 +
+ 2 files changed, 8 insertions(+)
+
+diff --git a/drivers/pinctrl/mediatek/Kconfig b/drivers/pinctrl/mediatek/Kconfig
+index 9109f91..d40aee5 100644
+--- a/drivers/pinctrl/mediatek/Kconfig
++++ b/drivers/pinctrl/mediatek/Kconfig
+@@ -100,6 +100,11 @@ config PINCTRL_MT7622
+ 	default ARM64 && ARCH_MEDIATEK
+ 	select PINCTRL_MTK_MOORE
+ 
++config PINCTRL_MT7981
++	bool "Mediatek MT7981 pin control"
++	depends on OF
++	select PINCTRL_MTK_MOORE
++
+ config PINCTRL_MT7986
+ 	bool "Mediatek MT7986 pin control"
+ 	depends on OF
+diff --git a/drivers/pinctrl/mediatek/Makefile b/drivers/pinctrl/mediatek/Makefile
+index d408585..e6813cf 100644
+--- a/drivers/pinctrl/mediatek/Makefile
++++ b/drivers/pinctrl/mediatek/Makefile
+@@ -15,6 +15,7 @@ obj-$(CONFIG_PINCTRL_MT6797)	+= pinctrl-mt6797.o
+ obj-$(CONFIG_PINCTRL_MT7622)	+= pinctrl-mt7622.o
+ 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-$(CONFIG_PINCTRL_MT8173)	+= pinctrl-mt8173.o
+ obj-$(CONFIG_PINCTRL_MT8183)	+= pinctrl-mt8183.o
+-- 
+2.6.4
+