diff --git a/src/mainboard/google/fatcat/variants/francka/fw_config.c b/src/mainboard/google/fatcat/variants/francka/fw_config.c
index 17901220b5..c722725f0b 100644
--- a/src/mainboard/google/fatcat/variants/francka/fw_config.c
+++ b/src/mainboard/google/fatcat/variants/francka/fw_config.c
@@ -26,6 +26,17 @@ static const struct pad_config hda_enable_pads[] = {
 	PAD_CFG_NF(GPP_S07, NONE, DEEP, NF5),
 };
 
+static const struct pad_config sndw_alc721_enable_pads[] = {
+	/* GPP_S02:     SNDW0_CLK */
+	PAD_CFG_NF(GPP_S02, NONE, DEEP, NF3),
+	/* GPP_S03:     SNDW0_DATA0 */
+	PAD_CFG_NF(GPP_S03, NONE, DEEP, NF3),
+	/* GPP_S06:     SOC_DMIC_CLK1 */
+	PAD_CFG_NF(GPP_S06, NONE, DEEP, NF5),
+	/* GPP_S07:     SOC_DMIC_DATA1 */
+	PAD_CFG_NF(GPP_S07, NONE, DEEP, NF5),
+};
+
 /*
  * WWAN: power sequence requires three stages:
  * step 1: 3.3V power, FCP# (Full Card Power), RST#, and PERST# off
@@ -107,7 +118,11 @@ void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
 	}
 
 	if (fw_config_probe(FW_CONFIG(AUDIO, AUDIO_ALC256M_CG_HDA))) {
+		printk(BIOS_INFO, "Configure GPIOs for HDA ALC256 mode.\n");
 		GPIO_PADBASED_OVERRIDE(padbased_table, hda_enable_pads);
+	} else if (fw_config_probe(FW_CONFIG(AUDIO, AUDIO_ALC721_SNDW))) {
+		printk(BIOS_INFO, "Configure GPIOs for Soundwire ALC721 mode.\n");
+		GPIO_PADBASED_OVERRIDE(padbased_table, sndw_alc721_enable_pads);
 	}
 
 	if (fw_config_probe(FW_CONFIG(WWAN, WWAN_PRESENT))) {
diff --git a/src/mainboard/google/fatcat/variants/francka/gpio.c b/src/mainboard/google/fatcat/variants/francka/gpio.c
index 7163e3927f..880f8afaad 100644
--- a/src/mainboard/google/fatcat/variants/francka/gpio.c
+++ b/src/mainboard/google/fatcat/variants/francka/gpio.c
@@ -344,21 +344,21 @@ static const struct pad_config gpio_table[] = {
 	/* GPP_H22:     SOC_I2C_1_SCL */
 	PAD_CFG_NF(GPP_H22, NONE, DEEP, NF1),
 
-	/* GPP_S00:     Not used */
+	/* GPP_S00:     SNDW_3_SCL */
 	PAD_NC(GPP_S00, NONE),
-	/* GPP_S01:     Not used */
+	/* GPP_S01:     SNDW_3_SDA */
 	PAD_NC(GPP_S01, NONE),
-	/* GPP_S02:     Not used */
+	/* GPP_S02:     SNDW_0_SCL_R / SOC_DMIC_CLK0 */
 	PAD_NC(GPP_S02, NONE),
-	/* GPP_S03:     Not used */
+	/* GPP_S03:     SNDW_0_SDA_R / SOC_DMIC_DATA0 */
 	PAD_NC(GPP_S03, NONE),
-	/* GPP_S04:     Not used */
+	/* GPP_S04:     SNDW_2_SCL */
 	PAD_NC(GPP_S04, NONE),
-	/* GPP_S05:     Not used */
+	/* GPP_S05:     SNDW_2_SDA */
 	PAD_NC(GPP_S05, NONE),
-	/* GPP_S06:     Not used */
+	/* GPP_S06:     SOC_DMIC_CLK1 */
 	PAD_NC(GPP_S06, NONE),
-	/* GPP_S07:     Not used */
+	/* GPP_S07:     SOC_DMIC_DATA1 */
 	PAD_NC(GPP_S07, NONE),
 
 	/* GPP_V00:     PM_BATLOW# */
diff --git a/src/mainboard/google/fatcat/variants/francka/overridetree.cb b/src/mainboard/google/fatcat/variants/francka/overridetree.cb
index d11ff4ab62..983cb91487 100644
--- a/src/mainboard/google/fatcat/variants/francka/overridetree.cb
+++ b/src/mainboard/google/fatcat/variants/francka/overridetree.cb
@@ -283,6 +283,20 @@ chip soc/intel/pantherlake
 					probe AUDIO AUDIO_ALC256M_CG_HDA
 				end
 			end
+			chip drivers/intel/soundwire
+				device generic 0 on
+					chip drivers/soundwire/alc711
+						register "desc" = ""Headset Codec""
+						register "alc711_address.version" = "SOUNDWIRE_VERSION_1_2"
+						register "alc711_address.class" = "MIPI_CLASS_SDCA"
+						register "alc711_address.part_id" = "MIPI_DEV_ID_REALTEK_ALC721"
+						# SoundWire Link 0 ID 0
+						device generic 0.0 on
+							probe AUDIO AUDIO_ALC721_SNDW
+						end
+					end
+				end
+			end
 		end
 		device ref gspi1 on
 			chip drivers/spi/acpi