diff --git a/target/linux/mediatek/patches-5.4/999-2023-pinctrl-add-mt7988-pd-pulltype-support.patch b/target/linux/mediatek/patches-5.4/999-2023-pinctrl-add-mt7988-pd-pulltype-support.patch
new file mode 100644
index 0000000..6ef9357
--- /dev/null
+++ b/target/linux/mediatek/patches-5.4/999-2023-pinctrl-add-mt7988-pd-pulltype-support.patch
@@ -0,0 +1,99 @@
+--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
++++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
+@@ -541,6 +541,30 @@ out:
+ 	return err;
+ }
+ 
++static int mtk_pinconf_bias_set_pd(struct mtk_pinctrl *hw,
++				const struct mtk_pin_desc *desc,
++				u32 pullup, u32 arg)
++{
++    int err, pd;
++
++	if (arg == MTK_DISABLE)
++		pd = 0;
++	else if ((arg == MTK_ENABLE) && pullup)
++		pd = 0;
++	else if ((arg == MTK_ENABLE) && !pullup)
++		pd = 1;
++	else {
++		err = -EINVAL;
++		goto out;
++	}
++
++	err = mtk_hw_set_value(hw, desc, PINCTRL_PIN_REG_PD, pd);
++
++out:
++	return err;
++
++}
++
+ static int mtk_pinconf_bias_set_pullsel_pullen(struct mtk_pinctrl *hw,
+ 				const struct mtk_pin_desc *desc,
+ 				u32 pullup, u32 arg)
+@@ -695,6 +719,12 @@ int mtk_pinconf_bias_set_combo(struct mt
+ 			return err;
+ 	}
+ 
++	if (try_all_type & MTK_PULL_PD_TYPE) {
++		err = mtk_pinconf_bias_set_pd(hw, desc, pullup, arg);
++		if (!err)
++			return err;
++    }
++
+ 	if (try_all_type & MTK_PULL_PU_PD_TYPE) {
+ 		err = mtk_pinconf_bias_set_pu_pd(hw, desc, pullup, arg);
+ 		if (!err)
+@@ -815,6 +845,29 @@ out:
+ 	return err;
+ }
+ 
++static int mtk_pinconf_bias_get_pd(struct mtk_pinctrl *hw,
++				const struct mtk_pin_desc *desc,
++				u32 *pullup, u32 *enable)
++{
++	int err, pd;
++
++	err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_PD, &pd);
++	if (err)
++		goto out;
++
++	if (pd == 0) {
++		*pullup = 0;
++		*enable = MTK_DISABLE;
++	} else if (pd == 1) {
++		*pullup = 0;
++		*enable = MTK_ENABLE;
++	} else
++		err = -EINVAL;
++
++out:
++	return err;
++}
++
+ static int mtk_pinconf_bias_get_pullsel_pullen(struct mtk_pinctrl *hw,
+ 				const struct mtk_pin_desc *desc,
+ 				u32 *pullup, u32 *enable)
+@@ -883,6 +936,12 @@ int mtk_pinconf_bias_get_combo(struct mt
+ 		if (!err)
+ 			return err;
+ 	}
++
++	if (try_all_type & MTK_PULL_PD_TYPE) {
++		err = mtk_pinconf_bias_get_pd(hw, desc, pullup, enable);
++		if (!err)
++			return err;
++	}
+ 
+ 	if (try_all_type & MTK_PULL_PU_PD_TYPE) {
+ 		err = mtk_pinconf_bias_get_pu_pd(hw, desc, pullup, enable);
+--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
++++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
+@@ -24,6 +24,7 @@
+  * turned on/off itself. But it can't be selected pull up/down
+  */
+ #define MTK_PULL_RSEL_TYPE		BIT(3)
++#define MTK_PULL_PD_TYPE        BIT(4)
+ /* MTK_PULL_PU_PD_RSEL_TYPE is a type which is controlled by
+  * MTK_PULL_PU_PD_TYPE and MTK_PULL_RSEL_TYPE.
+  */