[PATCH net-next v3 01/10] net: dsa: microchip: add the number of pins to chip infos
From: Bastien Curutchet (Schneider Electric) <hidden>
Date: 2026-09-08 07:27:56
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 output pins available is hardcoded to 2 while KSZ8463 has 12 pins that can be used as periodic outputs. Add an n_pin attribute to the struct ksz_chip_data to make this setting configurable. Set it to 2 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 | 4 ++-- 3 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 1a9d6f83a023..d01fba253af5 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c@@ -1194,6 +1194,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .ptp_capable = true, .wr_table = &ksz8563_register_set, .rd_table = &ksz8563_register_set, + .n_pins = 2, }, [KSZ8795] = {
@@ -1414,6 +1415,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .sgmii_port = 7, .wr_table = &ksz9477_register_set, .rd_table = &ksz9477_register_set, + .n_pins = 2, }, [KSZ9896] = {
@@ -1544,6 +1546,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .internal_phy = {true, true, false}, .gbit_capable = {true, true, true}, .ptp_capable = true, + .n_pins = 2, }, [KSZ8567] = {
@@ -1581,6 +1584,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .gbit_capable = {false, false, false, false, false, true, true}, .ptp_capable = true, + .n_pins = 2, }, [KSZ9567] = {
@@ -1615,6 +1619,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { true, false, false}, .gbit_capable = {true, true, true, true, true, true, true}, .ptp_capable = true, + .n_pins = 2, }, [LAN9370] = {
@@ -1646,6 +1651,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .supports_rgmii = {false, false, false, false, true}, .internal_phy = {true, true, true, true, false}, .ptp_capable = true, + .n_pins = 2, }, [LAN9371] = {
@@ -1677,6 +1683,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .supports_rgmii = {false, false, false, false, true, true}, .internal_phy = {true, true, true, true, false, false}, .ptp_capable = true, + .n_pins = 2, }, [LAN9372] = {
@@ -1712,6 +1719,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .internal_phy = {true, true, true, true, false, false, true, true}, .ptp_capable = true, + .n_pins = 2, }, [LAN9373] = {
@@ -1747,6 +1755,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .internal_phy = {true, true, true, false, false, false, true, true}, .ptp_capable = true, + .n_pins = 2, }, [LAN9374] = {
@@ -1782,6 +1791,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .internal_phy = {true, true, true, true, false, false, true, true}, .ptp_capable = true, + .n_pins = 2, }, [LAN9646] = {
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index cbe98494578c..c678fc6597dc 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h@@ -139,6 +139,7 @@ struct ksz_chip_data { u8 sgmii_port; const struct regmap_access_table *wr_table; const struct regmap_access_table *rd_table; + const u8 n_pins; }; struct ksz_irq {
diff --git a/drivers/net/dsa/microchip/ksz_ptp.c b/drivers/net/dsa/microchip/ksz_ptp.c
index 39cc70d65900..c92936bf78d3 100644
--- a/drivers/net/dsa/microchip/ksz_ptp.c
+++ b/drivers/net/dsa/microchip/ksz_ptp.c@@ -1050,14 +1050,14 @@ int ksz_ptp_clock_register(struct dsa_switch *ds) ptp_data->caps.do_aux_work = ksz_ptp_do_aux_work; ptp_data->caps.enable = ksz_ptp_enable; ptp_data->caps.verify = ksz_ptp_verify_pin; - ptp_data->caps.n_pins = KSZ_PTP_N_GPIO; + ptp_data->caps.n_pins = dev->info->n_pins; ptp_data->caps.n_per_out = 3; ret = ksz_ptp_start_clock(dev); if (ret) return ret; - for (i = 0; i < KSZ_PTP_N_GPIO; i++) { + for (i = 0; i < dev->info->n_pins; i++) { struct ptp_pin_desc *ptp_pin = &ptp_data->pin_config[i]; snprintf(ptp_pin->name,
--
2.55.0