diff --git a/arch/arm/mach-stm32mp/cpu.c b/arch/arm/mach-stm32mp/cpu.c
index de7891b..ea0bd94 100644
--- a/arch/arm/mach-stm32mp/cpu.c
+++ b/arch/arm/mach-stm32mp/cpu.c
@@ -342,6 +342,9 @@
 	case CPU_REVB:
 		cpu_r = "B";
 		break;
+	case CPU_REVZ:
+		cpu_r = "Z";
+		break;
 	default:
 		cpu_r = "?";
 		break;
diff --git a/arch/arm/mach-stm32mp/include/mach/sys_proto.h b/arch/arm/mach-stm32mp/include/mach/sys_proto.h
index 47e5792..da46c11 100644
--- a/arch/arm/mach-stm32mp/include/mach/sys_proto.h
+++ b/arch/arm/mach-stm32mp/include/mach/sys_proto.h
@@ -16,6 +16,7 @@
 
 #define CPU_REVA	0x1000
 #define CPU_REVB	0x2000
+#define CPU_REVZ	0x2001
 
 /* return CPU_REV constants */
 u32 get_cpu_rev(void);