ice: implement dpll interface to control cgu

Control over clock generation unit is required for further development of Synchronous Ethernet feature. Interface provides ability to obtain current state of a dpll, its sources and outputs which are pins, and allows their configuration. Co-developed-by: Milena Olech <[email protected]> Signed-off-by: Milena Olech <[email protected]> Co-developed-by: Michal Michalik <[email protected]> Signed-off-by: Michal Michalik <[email protected]> Signed-off-by: Arkadiusz Kubalewski <[email protected]> Signed-off-by: Vadim Fedorenko <[email protected]> Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
pop-os · Sep 17, 2023 · d7999f5 · d7999f5
1 parent 8a3a565
commit d7999f5
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Showing 6 changed files with 2,020 additions and 1 deletion.
diff --git a/drivers/net/ethernet/intel/Kconfig b/drivers/net/ethernet/intel/Kconfig
@@ -284,6 +284,7 @@ config ICE
 	select DIMLIB
 	select NET_DEVLINK
 	select PLDMFW
+	select DPLL
 	help
 	  This driver supports Intel(R) Ethernet Connection E800 Series of
 	  devices.  For more information on how to identify your adapter, go

diff --git a/drivers/net/ethernet/intel/ice/Makefile b/drivers/net/ethernet/intel/ice/Makefile
@@ -34,7 +34,8 @@ ice-y := ice_main.o	\
 	 ice_lag.o	\
 	 ice_ethtool.o  \
 	 ice_repr.o	\
-	 ice_tc_lib.o
+	 ice_tc_lib.o	\
+	 ice_dpll.o
 ice-$(CONFIG_PCI_IOV) +=	\
 	ice_sriov.o		\
 	ice_virtchnl.o		\

diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h
@@ -76,6 +76,7 @@
 #include "ice_vsi_vlan_ops.h"
 #include "ice_gnss.h"
 #include "ice_irq.h"
+#include "ice_dpll.h"
 
 #define ICE_BAR0		0
 #define ICE_REQ_DESC_MULTIPLE	32
@@ -510,6 +511,7 @@ enum ice_pf_flags {
 	ICE_FLAG_UNPLUG_AUX_DEV,
 	ICE_FLAG_MTU_CHANGED,
 	ICE_FLAG_GNSS,			/* GNSS successfully initialized */
+	ICE_FLAG_DPLL,			/* SyncE/PTP dplls initialized */
 	ICE_PF_FLAGS_NBITS		/* must be last */
 };
 
@@ -642,6 +644,7 @@ struct ice_pf {
 #define ICE_VF_AGG_NODE_ID_START	65
 #define ICE_MAX_VF_AGG_NODES		32
 	struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES];
+	struct ice_dplls dplls;
 };
 
 extern struct workqueue_struct *ice_lag_wq;