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authorAndrew Lunn <andrew@lunn.ch>2018-07-18 22:38:22 +0200
committerDavid S. Miller <davem@davemloft.net>2018-07-18 15:05:38 -0700
commitdfa543481034ef57cba55585e35eead113f50030 (patch)
tree893dd93f99cb34724d58ffe96f29ed7bce78ac2a /drivers/net/dsa/mv88e6xxx/ptp.h
parenta469a61231e5f67de4289f2a7889f0665528b13b (diff)
downloadlinux-dfa543481034ef57cba55585e35eead113f50030.tar.gz
net: dsa: mv88e6xxx: Add mv88e6165 PTP support
The mv88e6165 family has its global clock in the PTP global registers. It does not support any form of PTP events. Add a function to read the clock, fill in an ops structure, and register it with the two members of the family. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/ptp.h')
-rw-r--r--drivers/net/dsa/mv88e6xxx/ptp.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/ptp.h b/drivers/net/dsa/mv88e6xxx/ptp.h
index 16a310679f12..979eecc8ae01 100644
--- a/drivers/net/dsa/mv88e6xxx/ptp.h
+++ b/drivers/net/dsa/mv88e6xxx/ptp.h
@@ -78,6 +78,33 @@
/* Offset 0x12: Lock Status */
#define MV88E6XXX_TAI_LOCK_STATUS 0x12
+/* Offset 0x00: Ether Type */
+#define MV88E6XXX_PTP_GC_ETYPE 0x00
+
+/* Offset 0x01: Message ID */
+#define MV88E6XXX_PTP_GC_MESSAGE_ID 0x01
+
+/* Offset 0x02: Time Stamp Arrive Time */
+#define MV88E6XXX_PTP_GC_TS_ARR_PTR 0x02
+
+/* Offset 0x03: Port Arrival Interrupt Enable */
+#define MV88E6XXX_PTP_GC_PORT_ARR_INT_EN 0x03
+
+/* Offset 0x04: Port Departure Interrupt Enable */
+#define MV88E6XXX_PTP_GC_PORT_DEP_INT_EN 0x04
+
+/* Offset 0x05: Configuration */
+#define MV88E6XXX_PTP_GC_CONFIG 0x05
+#define MV88E6XXX_PTP_GC_CONFIG_DIS_OVERWRITE BIT(1)
+#define MV88E6XXX_PTP_GC_CONFIG_DIS_TS BIT(0)
+
+/* Offset 0x8: Interrupt Status */
+#define MV88E6XXX_PTP_GC_INT_STATUS 0x08
+
+/* Offset 0x9/0xa: Global Time */
+#define MV88E6XXX_PTP_GC_TIME_LO 0x09
+#define MV88E6XXX_PTP_GC_TIME_HI 0x0A
+
#ifdef CONFIG_NET_DSA_MV88E6XXX_PTP
long mv88e6xxx_hwtstamp_work(struct ptp_clock_info *ptp);
@@ -88,6 +115,7 @@ void mv88e6xxx_ptp_free(struct mv88e6xxx_chip *chip);
ptp_clock_info)
extern const struct mv88e6xxx_ptp_ops mv88e6352_ptp_ops;
+extern const struct mv88e6xxx_ptp_ops mv88e6165_ptp_ops;
#else /* !CONFIG_NET_DSA_MV88E6XXX_PTP */
@@ -106,6 +134,7 @@ static inline void mv88e6xxx_ptp_free(struct mv88e6xxx_chip *chip)
}
static const struct mv88e6xxx_ptp_ops mv88e6352_ptp_ops = {};
+static const struct mv88e6xxx_ptp_ops mv88e6165_ptp_ops = {};
#endif /* CONFIG_NET_DSA_MV88E6XXX_PTP */