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31 lines
1.2 KiB
Diff
31 lines
1.2 KiB
Diff
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From 5fdc065751ee25688f99da501123f7e7d4020751 Mon Sep 17 00:00:00 2001
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From: Vladimir Oltean <vladimir.oltean@nxp.com>
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Date: Fri, 22 Nov 2019 13:46:46 +0200
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Subject: [PATCH] net: phylink: make QSGMII a valid PHY mode for in-band AN
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QSGMII is a SerDes protocol clocked at 5 Gbaud (4 times higher than
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SGMII which is clocked at 1.25 Gbaud), with the same 8b/10b encoding and
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some extra symbols for synchronization. Logically it offers 4 SGMII
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interfaces multiplexed onto the same physical lanes. Each MAC PCS has
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its own in-band AN process with the system side of the QSGMII PHY, which
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is identical to the regular SGMII AN process.
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So allow QSGMII as a valid in-band AN mode, since it is no different
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from software perspective from regular SGMII.
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Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
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---
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drivers/net/phy/phylink.c | 1 +
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1 file changed, 1 insertion(+)
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--- a/drivers/net/phy/phylink.c
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+++ b/drivers/net/phy/phylink.c
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@@ -283,6 +283,7 @@ static int phylink_parse_mode(struct phy
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switch (pl->link_config.interface) {
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case PHY_INTERFACE_MODE_SGMII:
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+ case PHY_INTERFACE_MODE_QSGMII:
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phylink_set(pl->supported, 10baseT_Half);
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phylink_set(pl->supported, 10baseT_Full);
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phylink_set(pl->supported, 100baseT_Half);
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