[PATCH] net/ngbe: support to identify centec sk21101 PHY

Jiawen Wu jiawenwu at trustnetic.com
Thu Oct 23 05:32:07 CEST 2025


Add centec sk21101 PHY ID into the list of identifiable PHY IDs.

Signed-off-by: Jiawen Wu <jiawenwu at trustnetic.com>
---
 drivers/net/ngbe/base/ngbe_phy.c    | 1 +
 drivers/net/ngbe/base/ngbe_phy_yt.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/net/ngbe/base/ngbe_phy.c b/drivers/net/ngbe/base/ngbe_phy.c
index 6b5c1e47df..4109aa25ae 100644
--- a/drivers/net/ngbe/base/ngbe_phy.c
+++ b/drivers/net/ngbe/base/ngbe_phy.c
@@ -182,6 +182,7 @@ s32 ngbe_get_phy_type_from_id(struct ngbe_hw *hw)
 		break;
 	case NGBE_PHYID_YT8521:
 	case NGBE_PHYID_YT8531:
+	case NGBE_PHYID_SK21101:
 		if (hw->phy.media_type == ngbe_media_type_fiber)
 			hw->phy.type = ngbe_phy_yt8521s_sfi;
 		else
diff --git a/drivers/net/ngbe/base/ngbe_phy_yt.h b/drivers/net/ngbe/base/ngbe_phy_yt.h
index c45bec7ce7..5645af824f 100644
--- a/drivers/net/ngbe/base/ngbe_phy_yt.h
+++ b/drivers/net/ngbe/base/ngbe_phy_yt.h
@@ -9,6 +9,7 @@
 
 #define NGBE_PHYID_YT8521		0x00000110U
 #define NGBE_PHYID_YT8531		0x4F51E910U
+#define NGBE_PHYID_SK21101		0x00782010U
 
 /* Common EXT */
 #define YT_SMI_PHY			0xA000
-- 
2.48.1



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