[PATCH net-next v4 03/11] net: dsa: microchip: add the number of periodic signals to chip infos
From: Bastien Curutchet (Schneider Electric) <hidden>
Date: 2026-09-25 11:39:03
Also in:
lkml
Subsystem:
microchip ksz series ethernet switch driver, networking drivers, networking [dsa], the rest · Maintainers:
Woojung Huh, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Andrew Lunn, Vladimir Oltean, Linus Torvalds
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) <redacted> --- 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