[PATCH net-next 3/3] net: dsa: mxl-gsw1xx: add support for Intel GSW150
From: Daniel Golle <daniel@makrotopia.org>
Date: 2026-01-13 03:25:41
Also in:
lkml, netdev
Subsystem:
lantiq / maxlinear / intel ethernet dsa drivers, networking drivers, networking [dsa], the rest · Maintainers:
Hauke Mehrtens, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Vladimir Oltean, Linus Torvalds
Add support for the Intel GSW150 (aka. Lantiq PEB7084) switch IC to the mxl-gsw1xx driver. This switch comes with 5 Gigabit Ethernet copper ports (Intel XWAY PHY11G (xRX v1.2 integrated) PHYs) as well as one GMII/RGMII and one RGMII port. Signed-off-by: Daniel Golle <daniel@makrotopia.org> --- drivers/net/dsa/lantiq/mxl-gsw1xx.c | 63 ++++++++++++++++++++++++++--- drivers/net/dsa/lantiq/mxl-gsw1xx.h | 2 + 2 files changed, 60 insertions(+), 5 deletions(-)
diff --git a/drivers/net/dsa/lantiq/mxl-gsw1xx.c b/drivers/net/dsa/lantiq/mxl-gsw1xx.c
index 4390c2df2e4bd..1c6a5456a5caf 100644
--- a/drivers/net/dsa/lantiq/mxl-gsw1xx.c
+++ b/drivers/net/dsa/lantiq/mxl-gsw1xx.c@@ -502,6 +502,14 @@ static const struct phylink_pcs_ops gsw1xx_pcs_ops = { .pcs_link_up = gsw1xx_pcs_link_up, }; +static void gsw1xx_phylink_get_lpi_caps(struct phylink_config *config) +{ + config->lpi_capabilities = MAC_100FD | MAC_1000FD; + config->lpi_timer_default = 20; + memcpy(config->lpi_interfaces, config->supported_interfaces, + sizeof(config->lpi_interfaces)); +} + static void gsw1xx_phylink_get_caps(struct dsa_switch *ds, int port, struct phylink_config *config) {
@@ -536,10 +544,34 @@ static void gsw1xx_phylink_get_caps(struct dsa_switch *ds, int port, break; } - config->lpi_capabilities = MAC_100FD | MAC_1000FD; - config->lpi_timer_default = 20; - memcpy(config->lpi_interfaces, config->supported_interfaces, - sizeof(config->lpi_interfaces)); + gsw1xx_phylink_get_lpi_caps(config); +} + +static void gsw150_phylink_get_caps(struct dsa_switch *ds, int port, + struct phylink_config *config) +{ + config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE | + MAC_10 | MAC_100 | MAC_1000; + + switch (port) { + case 0: /* port 0~4: built-in 1GE PHYs */ + case 1: + case 2: + case 3: + case 4: + __set_bit(PHY_INTERFACE_MODE_INTERNAL, + config->supported_interfaces); + break; + case 5: /* port 5: GMII or RGMII */ + __set_bit(PHY_INTERFACE_MODE_GMII, + config->supported_interfaces); + fallthrough; + case 6: /* port 6: RGMII */ + phy_interface_set_rgmii(config->supported_interfaces); + break; + } + + gsw1xx_phylink_get_lpi_caps(config); } static struct phylink_pcs *gsw1xx_phylink_mac_select_pcs(struct phylink_config *config,
@@ -795,11 +827,32 @@ static const struct gswip_hw_info gsw141_data = { .tag_protocol = DSA_TAG_PROTO_MXL_GSW1XX, }; +static const struct gswip_hw_info gsw150_data = { + .max_ports = GSW150_PORTS, + .allowed_cpu_ports = BIT(5) | BIT(6), + .mii_cfg = { + [0 ... 7] = -1, + [5] = 0, + [6] = 10, + }, + .mii_pcdu = { + [0 ... 7] = -1, + [5] = 1, + [6] = 11, + }, + .phylink_get_caps = gsw150_phylink_get_caps, + .pce_microcode = &gsw1xx_pce_microcode, + .pce_microcode_size = ARRAY_SIZE(gsw1xx_pce_microcode), + .tag_protocol = DSA_TAG_PROTO_MXL_GSW1XX, +}; + /* * GSW125 is the industrial temperature version of GSW120. * GSW145 is the industrial temperature version of GSW140. */ static const struct of_device_id gsw1xx_of_match[] = { + { .compatible = "intel,gsw150", .data = &gsw150_data }, + { .compatible = "lantiq,peb7084", .data = &gsw150_data }, { .compatible = "maxlinear,gsw120", .data = &gsw12x_data }, { .compatible = "maxlinear,gsw125", .data = &gsw12x_data }, { .compatible = "maxlinear,gsw140", .data = &gsw140_data },
@@ -823,5 +876,5 @@ static struct mdio_driver gsw1xx_driver = { mdio_module_driver(gsw1xx_driver); MODULE_AUTHOR("Daniel Golle <daniel@makrotopia.org>"); -MODULE_DESCRIPTION("Driver for MaxLinear GSW1xx ethernet switch"); +MODULE_DESCRIPTION("Driver for Intel/MaxLinear GSW1xx Ethernet switch"); MODULE_LICENSE("GPL");
diff --git a/drivers/net/dsa/lantiq/mxl-gsw1xx.h b/drivers/net/dsa/lantiq/mxl-gsw1xx.h
index 8c0298b2b7663..6d2ab81b14dde 100644
--- a/drivers/net/dsa/lantiq/mxl-gsw1xx.h
+++ b/drivers/net/dsa/lantiq/mxl-gsw1xx.h@@ -10,6 +10,8 @@ #include <linux/bitfield.h> #define GSW1XX_PORTS 6 +#define GSW150_PORTS 7 + /* Port used for RGMII or optional RMII */ #define GSW1XX_MII_PORT 5 /* Port used for SGMII */
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2.52.0