linux-kernel - [PATCH] phy: lan966x: Extend lan966x to support multiple phy interfaces.

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Message-ID: <20211130101015.164916-1-horatiu.vultur@microchip.com>
Date:   Tue, 30 Nov 2021 11:10:15 +0100
From:   Horatiu Vultur <horatiu.vultur@...rochip.com>
To:     <kishon@...com>, <vkoul@...nel.org>, <linux@...linux.org.uk>,
        <linux-phy@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
CC:     Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: [PATCH] phy: lan966x: Extend lan966x to support multiple phy interfaces.

Currently the driver is supporting only the interfaces QSGMII, SGMII,
RGMII and GMII. This patch extend the supported interfaces with
1000BASE-X and 2500BASE-X.

Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
---
 drivers/phy/microchip/lan966x_serdes.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/phy/microchip/lan966x_serdes.c b/drivers/phy/microchip/lan966x_serdes.c
index 262bb616b4bb..c0b80a176387 100644
--- a/drivers/phy/microchip/lan966x_serdes.c
+++ b/drivers/phy/microchip/lan966x_serdes.c
@@ -392,6 +392,10 @@ static int serdes_set_mode(struct phy *phy, enum phy_mode mode, int submode)
 	if (mode != PHY_MODE_ETHERNET)
 		return -EOPNOTSUPP;
 
+	if (submode == PHY_INTERFACE_MODE_1000BASEX ||
+	    submode == PHY_INTERFACE_MODE_2500BASEX)
+		submode = PHY_INTERFACE_MODE_SGMII;
+
 	for (i = 0; i < ARRAY_SIZE(lan966x_serdes_muxes); i++) {
 		if (macro->idx != lan966x_serdes_muxes[i].idx ||
 		    mode != lan966x_serdes_muxes[i].mode ||
-- 
2.33.0