add sample gPTP configuration file

gPTP.cfg

@@ -0,0 +1,36 @@
+#
+# 802.1AS configuration for Marvell DSA switch with four Ethernet ports
+#
+
+[global]
+gmCapable		1
+priority1		248
+priority2		248
+logAnnounceInterval	0
+logSyncInterval		-3
+neighborPropDelayThresh	800
+min_neighbor_prop_delay	-20000000
+assume_two_step		1
+path_trace_enabled	1
+follow_up_info		1
+transportSpecific	0x1
+ptp_dst_mac		01:80:C2:00:00:0E
+network_transport	L2
+delay_mechanism		P2P
+boundary_clock_jbod     1
+ptp_minor_version       0
+asCapable               true
+
+uds_address		/var/run/ptp4l
+uds_file_mode		0660
+uds_ro_address		/var/run/ptp4lro
+uds_ro_file_mode	0666
+
+[lan0]
+
+[lan1]
+
+[lan2]
+
+[lan3]
+