Thread (9 messages) 9 messages, 3 authors, 7h ago
HOTtoday

[PATCH net-next v10 5/5] net: phy: realtek: add support for RTL8261D

From: javen <hidden>
Date: 2026-07-21 02:25:56
Also in: lkml
Subsystem: ethernet phy library, networking drivers, the rest · Maintainers: Andrew Lunn, Heiner Kallweit, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Javen Xu <redacted>

RTL8261D is also 10g phy. It's sub_phy_id is 0x81. And it does not need
any firmware.

Signed-off-by: Javen Xu <redacted>
---
Changes in v10:
 - no changes. New file.
---
 drivers/net/phy/realtek/realtek_main.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/phy/realtek/realtek_main.c b/drivers/net/phy/realtek/realtek_main.c
index ba218559f39c..1c0b9c40a81e 100644
--- a/drivers/net/phy/realtek/realtek_main.c
+++ b/drivers/net/phy/realtek/realtek_main.c
@@ -260,6 +260,7 @@
 #define RTL_8261C_CG				0x001cc898
 
 #define RTL8261C_CE_MODEL		0x00
+#define RTL8261D_MODEL			0x81
 #define RTL8261X_INT_AUTONEG_ERROR	BIT(0)
 #define RTL8261X_INT_PAGE_RECV		BIT(2)
 #define RTL8261X_INT_AUTONEG_DONE	BIT(3)
@@ -413,6 +414,10 @@ static int rtl8261x_probe(struct phy_device *phydev)
 		phydev_info(phydev, "RTL8261C detected (sub_id 0x%02x)\n", sub_phy_id);
 		break;
 
+	case RTL8261D_MODEL:
+		phydev_info(phydev, "RTL8261D detected (sub_id 0x%02x)\n", sub_phy_id);
+		break;
+
 	default:
 		phydev_warn(phydev, "Unknown sub_id 0x%02x, default behavior\n", sub_phy_id);
 		return -ENODEV;
@@ -3397,7 +3402,7 @@ static struct phy_driver realtek_drvs[] = {
 		.write_mmd	= genphy_write_mmd_unsupported,
 	}, {
 		PHY_ID_MATCH_EXACT(RTL_8261C_CG),
-		.name			= "Realtek RTL8261C 10Gbps PHY",
+		.name			= "Realtek RTL8261 10Gbps PHY",
 		.probe			= rtl8261x_probe,
 		.config_init		= rtl8261x_config_init,
 		.get_features		= rtl8261x_get_features,
-- 
2.43.0
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