diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index bf4297075c229a5fbb572f4e64befc2c02da253f..3c3bef0162c8124eb182c09983f837fe707268e6 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -162,6 +162,8 @@ const char * const edac_mem_types[] = {
 	[MEM_RDDR4]	= "Registered-DDR4",
 	[MEM_LRDDR4]	= "Load-Reduced-DDR4-RAM",
 	[MEM_DDR5]	= "Unbuffered-DDR5",
+	[MEM_RDDR5]	= "Registered-DDR5",
+	[MEM_LRDDR5]	= "Load-Reduced-DDR5-RAM",
 	[MEM_NVDIMM]	= "Non-volatile-RAM",
 	[MEM_HBM2]	= "High-bandwidth-memory-Gen2",
 };
diff --git a/include/linux/edac.h b/include/linux/edac.h
index 4901344950080ce5e034fbaf942068e63433851c..129d1abcc45ca235724fad925d93dfd41de8dcdf 100644
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -180,6 +180,8 @@ static inline char *mc_event_error_type(const unsigned int err_type)
  *			This is a variant of the DDR4 memories.
  * @MEM_LRDDR4:		Load-Reduced DDR4 memory.
  * @MEM_DDR5:		Unbuffered DDR5 RAM
+ * @MEM_RDDR5:		Registered DDR5 RAM
+ * @MEM_LRDDR5:		Load-Reduced DDR5 memory.
  * @MEM_NVDIMM:		Non-volatile RAM
  * @MEM_HBM2:		High bandwidth Memory Gen 2.
  */
@@ -206,6 +208,8 @@ enum mem_type {
 	MEM_RDDR4,
 	MEM_LRDDR4,
 	MEM_DDR5,
+	MEM_RDDR5,
+	MEM_LRDDR5,
 	MEM_NVDIMM,
 	MEM_HBM2,
 };
@@ -231,6 +235,8 @@ enum mem_type {
 #define MEM_FLAG_RDDR4          BIT(MEM_RDDR4)
 #define MEM_FLAG_LRDDR4         BIT(MEM_LRDDR4)
 #define MEM_FLAG_DDR5           BIT(MEM_DDR5)
+#define MEM_FLAG_RDDR5          BIT(MEM_RDDR5)
+#define MEM_FLAG_LRDDR5         BIT(MEM_LRDDR5)
 #define MEM_FLAG_NVDIMM         BIT(MEM_NVDIMM)
 #define MEM_FLAG_HBM2		BIT(MEM_HBM2)