diff --git a/src/mainboard/google/brya/variants/uldrenite/overridetree.cb b/src/mainboard/google/brya/variants/uldrenite/overridetree.cb
index 00de214d99..55e15175c7 100644
--- a/src/mainboard/google/brya/variants/uldrenite/overridetree.cb
+++ b/src/mainboard/google/brya/variants/uldrenite/overridetree.cb
@@ -15,6 +15,10 @@ fw_config
 		option MB_C_TWO			0
 		option MB_C_ONE			1
 	end
+	field ISH 8 8
+		option ISH_DISABLE		0
+		option ISH_ENABLE		1
+	end
 end
 
 chip soc/intel/alderlake
@@ -487,6 +491,7 @@ chip soc/intel/alderlake
 			probe DB_CELLULAR CELLULAR_RW350R
 		end # PCIE2 WWAN card
 		device ref ish on
+			probe ISH ISH_ENABLE
 			chip drivers/intel/ish
 				register "firmware_name" = ""uldrenite_ish.bin""
 				device generic 0 on end
diff --git a/src/mainboard/google/brya/variants/uldrenite/variant.c b/src/mainboard/google/brya/variants/uldrenite/variant.c
index cbaf20bac8..9944328dca 100644
--- a/src/mainboard/google/brya/variants/uldrenite/variant.c
+++ b/src/mainboard/google/brya/variants/uldrenite/variant.c
@@ -40,6 +40,13 @@ static const struct pad_config lte_disable_pads[] = {
 	PAD_NC(GPP_H23, NONE),
 };
 
+static const struct pad_config ish_disable_pads[] = {
+	/* B5  : GPP_B5 ==> NC */
+	PAD_NC(GPP_B5, NONE),
+	/* B6  : GPP_B6 ==> NC */
+	PAD_NC(GPP_B6, NONE),
+};
+
 void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
 {
 	if (fw_config_probe(FW_CONFIG(TOUCHSCREEN, TOUCHSCREEN_NONE))) {
@@ -52,6 +59,11 @@ void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
 		gpio_padbased_override(padbased_table, lte_disable_pads,
 				ARRAY_SIZE(lte_disable_pads));
 	}
+	if (!fw_config_probe(FW_CONFIG(ISH, ISH_ENABLE))) {
+		printk(BIOS_INFO, "Disable ISH GPIO pins.\n");
+		gpio_padbased_override(padbased_table, ish_disable_pads,
+				ARRAY_SIZE(ish_disable_pads));
+	}
 }
 
 void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config)