diff --git a/Documentation/devicetree/bindings/sound/taiko_codec.txt b/Documentation/devicetree/bindings/sound/taiko_codec.txt
index 9f3719b..96e3a61 100644
--- a/Documentation/devicetree/bindings/sound/taiko_codec.txt
+++ b/Documentation/devicetree/bindings/sound/taiko_codec.txt
@@ -28,6 +28,10 @@
  - qcom,cdc-micbias2-cfilt-sel = cfilt to use for micbias2 (should be from 1 to 3).
  - qcom,cdc-micbias3-cfilt-sel = cfilt to use for micbias3 (should be from 1 to 3).
  - qcom,cdc-micbias4-cfilt-sel = cfilt to use for micbias4 (should be from 1 to 3).
+ - qcom,cdc-micbias1-ext-cap: Boolean. Enable micbias 1 external capacitor mode.
+ - qcom,cdc-micbias2-ext-cap: Boolean. Enable micbias 2 external capacitor mode.
+ - qcom,cdc-micbias3-ext-cap: Boolean. Enable micbias 3 external capacitor mode.
+ - qcom,cdc-micbias4-ext-cap: Boolean. Enable micbias 4 external capacitor mode.
 
  - qcom,cdc-slim-ifd-dev - namme of the codec slim interface device.
  - qcom,cdc-slim-ifd-elemental-addr - codec slimbus slave interface device
@@ -76,6 +80,10 @@
 	qcom,cdc-micbias2-cfilt-sel = <0x1>;
 	qcom,cdc-micbias3-cfilt-sel = <0x2>;
 	qcom,cdc-micbias4-cfilt-sel = <0x2>;
+	qcom,cdc-micbias1-ext-cap;
+	qcom,cdc-micbias2-ext-cap;
+	qcom,cdc-micbias3-ext-cap;
+	qcom,cdc-micbias4-ext-cap;
 
 	qcom,cdc-slim-ifd = "taiko-slim-ifd";
 	qcom,cdc-slim-ifd-elemental-addr = [00 00 A0 00 17 02];
diff --git a/drivers/mfd/wcd9xxx-core.c b/drivers/mfd/wcd9xxx-core.c
index 62f1a93..a8e40f7 100644
--- a/drivers/mfd/wcd9xxx-core.c
+++ b/drivers/mfd/wcd9xxx-core.c
@@ -988,6 +988,20 @@
 	}
 	micbias->bias4_cfilt_sel = (u8)prop_val;
 
+	/* micbias external cap */
+	micbias->bias1_cap_mode =
+	    (of_property_read_bool(dev->of_node, "qcom,cdc-micbias1-ext-cap") ?
+	     MICBIAS_EXT_BYP_CAP : MICBIAS_NO_EXT_BYP_CAP);
+	micbias->bias2_cap_mode =
+	    (of_property_read_bool(dev->of_node, "qcom,cdc-micbias2-ext-cap") ?
+	     MICBIAS_EXT_BYP_CAP : MICBIAS_NO_EXT_BYP_CAP);
+	micbias->bias3_cap_mode =
+	    (of_property_read_bool(dev->of_node, "qcom,cdc-micbias3-ext-cap") ?
+	     MICBIAS_EXT_BYP_CAP : MICBIAS_NO_EXT_BYP_CAP);
+	micbias->bias4_cap_mode =
+	    (of_property_read_bool(dev->of_node, "qcom,cdc-micbias4-ext-cap") ?
+	     MICBIAS_EXT_BYP_CAP : MICBIAS_NO_EXT_BYP_CAP);
+
 	dev_dbg(dev, "ldoh_v  %u cfilt1_mv %u cfilt2_mv %u cfilt3_mv %u",
 		(u32)micbias->ldoh_v, (u32)micbias->cfilt1_mv,
 		(u32)micbias->cfilt2_mv, (u32)micbias->cfilt3_mv);
@@ -998,6 +1012,11 @@
 	dev_dbg(dev, "bias3_cfilt_sel %u bias4_cfilt_sel %u\n",
 		(u32)micbias->bias3_cfilt_sel, (u32)micbias->bias4_cfilt_sel);
 
+	dev_dbg(dev, "bias1_ext_cap %d bias2_ext_cap %d\n",
+		micbias->bias1_cap_mode, micbias->bias2_cap_mode);
+	dev_dbg(dev, "bias3_ext_cap %d bias4_ext_cap %d\n",
+		micbias->bias3_cap_mode, micbias->bias4_cap_mode);
+
 	return 0;
 }