diff --git a/plat/st/stm32mp1/stm32mp1_private.c b/plat/st/stm32mp1/stm32mp1_private.c
index 86b9f23..c40e045 100644
--- a/plat/st/stm32mp1/stm32mp1_private.c
+++ b/plat/st/stm32mp1/stm32mp1_private.c
@@ -493,6 +493,11 @@
 	case STM32MP1_REV_B:
 		cpu_r = "B";
 		break;
+#if STM32MP13
+	case STM32MP1_REV_Y:
+		cpu_r = "Y";
+		break;
+#endif
 	case STM32MP1_REV_Z:
 		cpu_r = "Z";
 		break;