diff --git a/Documentation/admin-guide/kernel-parameters.rst b/Documentation/admin-guide/kernel-parameters.rst
index fdea7c26ef8040..a64130fd19bff6 100644
--- a/Documentation/admin-guide/kernel-parameters.rst
+++ b/Documentation/admin-guide/kernel-parameters.rst
@@ -159,6 +159,7 @@ is applicable::
 	SCSI	Appropriate SCSI support is enabled.
 			A lot of drivers have their options described inside
 			the Documentation/scsi/ sub-directory.
+        SDW     SoundWire support is enabled.
 	SECURITY Different security models are enabled.
 	SELINUX SELinux support is enabled.
 	SERIAL	Serial support is enabled.
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index f1384c7b59c928..74c92f86585d83 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -5989,6 +5989,10 @@
 			non-zero "wait" parameter.  See weight_single
 			and weight_many.
 
+	sdw_mclk_divider=[SDW]
+			Specify the MCLK divider for Intel SoundWire buses in
+			case the BIOS does not provide the clock rate properly.
+
 	skew_tick=	[KNL,EARLY] Offset the periodic timer tick per cpu to mitigate
 			xtime_lock contention on larger systems, and/or RCU lock
 			contention on all systems with CONFIG_MAXSMP set.