The number of periodic signals available is hardcoded to 3 while
KSZ8463 can produce 12 different periodic signals.

Add an n_per_out attribute to the struct ksz_chip_data to make this
setting configurable.
Set it to 3 for all the PTP-capable switches.

Signed-off-by: Bastien Curutchet (Schneider Electric) <bastien.curutchet@bootlin.com>
---
 drivers/net/dsa/microchip/ksz_common.c | 10 ++++++++++
 drivers/net/dsa/microchip/ksz_common.h |  1 +
 drivers/net/dsa/microchip/ksz_ptp.c    |  2 +-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index ac9a10a91d79..ea6db85e7e2b 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -1209,6 +1209,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.wr_table = &ksz8563_register_set,
 		.rd_table = &ksz8563_register_set,
 		.n_pins = 2,
+		.n_per_out = 3,
 	},
 
 	[KSZ8795] = {
@@ -1445,6 +1446,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.wr_table = &ksz9477_register_set,
 		.rd_table = &ksz9477_register_set,
 		.n_pins = 2,
+		.n_per_out = 3,
 	},
 
 	[KSZ9896] = {
@@ -1611,6 +1613,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.gbit_capable = {true, true, true},
 		.ptp_capable = true,
 		.n_pins = 2,
+		.n_per_out = 3,
 	},
 
 	[KSZ8567] = {
@@ -1649,6 +1652,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 				   true, true},
 		.ptp_capable = true,
 		.n_pins = 2,
+		.n_per_out = 3,
 	},
 
 	[KSZ9567] = {
@@ -1684,6 +1688,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.gbit_capable	= {true, true, true, true, true, true, true},
 		.ptp_capable = true,
 		.n_pins = 2,
+		.n_per_out = 3,
 	},
 
 	[LAN9370] = {
@@ -1716,6 +1721,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.internal_phy = {true, true, true, true, false},
 		.ptp_capable = true,
 		.n_pins = 2,
+		.n_per_out = 3,
 	},
 
 	[LAN9371] = {
@@ -1748,6 +1754,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 		.internal_phy = {true, true, true, true, false, false},
 		.ptp_capable = true,
 		.n_pins = 2,
+		.n_per_out = 3,
 	},
 
 	[LAN9372] = {
@@ -1784,6 +1791,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 				   false, false, true, true},
 		.ptp_capable = true,
 		.n_pins = 2,
+		.n_per_out = 3,
 	},
 
 	[LAN9373] = {
@@ -1820,6 +1828,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 				   false, false, true, true},
 		.ptp_capable = true,
 		.n_pins = 2,
+		.n_per_out = 3,
 	},
 
 	[LAN9374] = {
@@ -1856,6 +1865,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
 				   false, false, true, true},
 		.ptp_capable = true,
 		.n_pins = 2,
+		.n_per_out = 3,
 	},
 
 	[LAN9646] = {
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index 9b911f9aafd9..f1c0e89e13c1 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h
@@ -140,6 +140,7 @@ struct ksz_chip_data {
 	const struct regmap_access_table *wr_table;
 	const struct regmap_access_table *rd_table;
 	const u8 n_pins;
+	const u8 n_per_out;
 };
 
 struct ksz_irq {
diff --git a/drivers/net/dsa/microchip/ksz_ptp.c b/drivers/net/dsa/microchip/ksz_ptp.c
index 33416e59edc7..84c799959aaa 100644
--- a/drivers/net/dsa/microchip/ksz_ptp.c
+++ b/drivers/net/dsa/microchip/ksz_ptp.c
@@ -1054,7 +1054,7 @@ int ksz_ptp_clock_register(struct dsa_switch *ds)
 	ptp_data->caps.enable		= ksz_ptp_enable;
 	ptp_data->caps.verify		= ksz_ptp_verify_pin;
 	ptp_data->caps.n_pins		= dev->info->n_pins;
-	ptp_data->caps.n_per_out	= 3;
+	ptp_data->caps.n_per_out	= dev->info->n_per_out;
 
 	ret = ksz_ptp_start_clock(dev);
 	if (ret)

-- 
2.55.0