From 6e12f35cef6b8a458d7ecf507ae330e0bffaad8c Mon Sep 17 00:00:00 2001 From: Bjarni Jonasson Date: Wed, 13 Jan 2021 12:56:26 +0100 Subject: sfp: add support for 100 base-x SFPs Add support for 100Base-FX, 100Base-LX, 100Base-PX and 100Base-BX10 modules This is needed for Sparx-5 switch. Signed-off-by: Bjarni Jonasson Reviewed-by: Russell King Signed-off-by: Jakub Kicinski --- drivers/net/phy/sfp-bus.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/net/phy/sfp-bus.c') diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c index cdfa0a190962..3c67ad9951ab 100644 --- a/drivers/net/phy/sfp-bus.c +++ b/drivers/net/phy/sfp-bus.c @@ -265,6 +265,12 @@ void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id, br_min <= 1300 && br_max >= 1200) phylink_set(modes, 1000baseX_Full); + /* 100Base-FX, 100Base-LX, 100Base-PX, 100Base-BX10 */ + if (id->base.e100_base_fx || id->base.e100_base_lx) + phylink_set(modes, 100baseFX_Full); + if ((id->base.e_base_px || id->base.e_base_bx10) && br_nom == 100) + phylink_set(modes, 100baseFX_Full); + /* For active or passive cables, select the link modes * based on the bit rates and the cable compliance bytes. */ @@ -389,6 +395,9 @@ phy_interface_t sfp_select_interface(struct sfp_bus *bus, if (phylink_test(link_modes, 1000baseX_Full)) return PHY_INTERFACE_MODE_1000BASEX; + if (phylink_test(link_modes, 100baseFX_Full)) + return PHY_INTERFACE_MODE_100BASEX; + dev_warn(bus->sfp_dev, "Unable to ascertain link mode\n"); return PHY_INTERFACE_MODE_NA; -- cgit