recipes-kernel/linux/linux-mediatek-5.4/mediatek/patches-5.4/999-2023-pinctrl-add-mt7988-pd-pulltype-support.patch

--- 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.
  */