linux-kernel - [PATCH v2 net-next] net: phylink: allow RGMII/RTBI in-band status

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Date:   Wed, 24 Aug 2022 14:10:34 +0800
From:   Qingfang DENG <dqfext@...il.com>
To:     Russell King <linux@...linux.org.uk>, Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 net-next] net: phylink: allow RGMII/RTBI in-band status

As per RGMII specification v2.0, section 3.4.1, RGMII/RTBI has an
optional in-band status feature where the PHY's link status, speed and
duplex mode can be passed to the MAC.
Allow RGMII/RTBI to use in-band status.

Signed-off-by: Qingfang DENG <dqfext@...il.com>
---
v1 -> v2: rebased and targeted to net-next.

 drivers/net/phy/phylink.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index d2455df1d8d2..e487bdea9b47 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -634,6 +634,11 @@ static int phylink_parse_mode(struct phylink *pl, struct fwnode_handle *fwnode)
 		case PHY_INTERFACE_MODE_SGMII:
 		case PHY_INTERFACE_MODE_QSGMII:
 		case PHY_INTERFACE_MODE_QUSGMII:
+		case PHY_INTERFACE_MODE_RGMII:
+		case PHY_INTERFACE_MODE_RGMII_ID:
+		case PHY_INTERFACE_MODE_RGMII_RXID:
+		case PHY_INTERFACE_MODE_RGMII_TXID:
+		case PHY_INTERFACE_MODE_RTBI:
 			phylink_set(pl->supported, 10baseT_Half);
 			phylink_set(pl->supported, 10baseT_Full);
 			phylink_set(pl->supported, 100baseT_Half);
-- 
2.34.1