diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 7cb61aca3797..3171c87eb244 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -2386,17 +2386,40 @@ EndEnum
 EndSysreg
 
 Sysreg	ID_AA64MMFR4_EL1	3	0	0	7	4
-Res0	63:48
-UnsignedEnum	47:44	SRMASK
+UnsignedEnum	63:60	MTEFGT
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+UnsignedEnum	59:56	SCRX
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+UnsignedEnum	55:52	TEV
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+UnsignedEnum	51:48	TPS
+	0b0000	VAL_0000
+	0b0001	VAL_0001
+	0b0010	VAL_0010
+EndEnum
+UnsignedEnum	47:44	SRMASK
+	0b0000	NI
+	0b0001	IMP
+	0b0010	SRMASK2
+EndEnum
+UnsignedEnum	43:40	TLBID
 	0b0000	NI
 	0b0001	IMP
 EndEnum
-Res0	43:40
 UnsignedEnum	39:36	E3DSE
 	0b0000	NI
 	0b0001	IMP
 EndEnum
-Res0	35:32
+UnsignedEnum	35:32	EAESR
+	0b0000	NI
+	0b0001	IMP
+EndEnum
 UnsignedEnum	31:28	RMEGDI
 	0b0000	NI
 	0b0001	IMP
@@ -2410,6 +2433,7 @@ UnsignedEnum	23:20	NV_frac
 	0b0000	NV_NV2
 	0b0001	NV2_ONLY
 	0b0010	NV2P1
+	0b0011	NV3
 EndEnum
 UnsignedEnum	19:16	FGWTE3
 	0b0000	NI