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From:   Qingfang DENG <dqfext@gmail.com>
To:     Russell King <linux@armlinux.org.uk>, Andrew Lunn <andrew@lunn.ch>,
        Heiner Kallweit <hkallweit1@gmail.com>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH net] net: phylink: allow RGMII/RTBI in-band status
Date:   Fri, 19 Aug 2022 17:26:06 +0800
Message-Id: <20220819092607.2628716-1-dqfext@gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

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.

Fixes: 9525ae83959b ("phylink: add phylink infrastructure")
Signed-off-by: Qingfang DENG <dqfext@gmail.com>
---
 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 9bd69328dc4d..57186d322835 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -632,6 +632,11 @@ static int phylink_parse_mode(struct phylink *pl, struct fwnode_handle *fwnode)
 		switch (pl->link_config.interface) {
 		case PHY_INTERFACE_MODE_SGMII:
 		case PHY_INTERFACE_MODE_QSGMII:
+		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