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-rw-r--r--share/man/man4/sio.42
1 files changed, 2 insertions, 0 deletions
diff --git a/share/man/man4/sio.4 b/share/man/man4/sio.4
index fa6432f2f950..adf623f494e6 100644
--- a/share/man/man4/sio.4
+++ b/share/man/man4/sio.4
@@ -174,6 +174,8 @@ device is reserved for low-level IO (e. g. for remote kernel debugging)
use this port for remote kernel debugging
.It 0x0 Ns Em ?? Ns 00
minor number of master port
+.It 0x10000
+PPS timestamping on CTS instead of DCD
.It 0x20000
device is assumed to use a 16650A-type (extended FIFO) chip
.El