[openwrt/openwrt] realtek: fix LGS352C DTS

[LEDE Commits]

robimarko pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/8e33c40c7fd783d6a4bd748eeea9ddea64e0aec4

commit 8e33c40c7fd783d6a4bd748eeea9ddea64e0aec4
Author: Markus Stockhausen <markus.stockhausen at gmx.de>
AuthorDate: Fri Feb 20 17:21:37 2026 +0100

    realtek: fix LGS352C DTS
    
    There is a wrong port assignment for the 4 SFP+ ports
    on that device. Additionally the transmit polarity
    change option was missed. Fix that.
    
    Fixes: f88135b ("realtek: add support for Linksys LGS352C")
    Signed-off-by: Markus Stockhausen <markus.stockhausen at gmx.de>
    Link: https://github.com/openwrt/openwrt/pull/22119
    Signed-off-by: Robert Marko <robimarko at gmail.com>
---
 .../linux/realtek/dts/rtl9311_linksys_lgs352c.dts  | 28 +++++++++++++++++-----
 1 file changed, 22 insertions(+), 6 deletions(-)

diff --git a/target/linux/realtek/dts/rtl9311_linksys_lgs352c.dts b/target/linux/realtek/dts/rtl9311_linksys_lgs352c.dts
index 80c34659f5..5b59a3a5e8 100644
--- a/target/linux/realtek/dts/rtl9311_linksys_lgs352c.dts
+++ b/target/linux/realtek/dts/rtl9311_linksys_lgs352c.dts
@@ -368,24 +368,24 @@
 			managed = "in-band-status";
 			sfp = <&sfp0>;
 		};
-		port at 49 {
-			reg = <49>;
+		port at 50 {
+			reg = <50>;
 			label = "lan50";
 			pcs-handle = <&serdes9>;
 			phy-mode = "1000base-x";
 			managed = "in-band-status";
 			sfp = <&sfp1>;
 		};
-		port at 50 {
-			reg = <50>;
+		port at 52 {
+			reg = <52>;
 			label = "lan51";
 			pcs-handle = <&serdes10>;
 			phy-mode = "1000base-x";
 			managed = "in-band-status";
 			sfp = <&sfp2>;
 		};
-		port at 51 {
-			reg = <51>;
+		port at 53 {
+			reg = <53>;
 			label = "lan52";
 			pcs-handle = <&serdes11>;
 			phy-mode = "1000base-x";
@@ -404,3 +404,19 @@
 		};
 	};
 };
+
+&serdes8 {
+	realtek,pnswap-tx;
+};
+
+&serdes9 {
+	realtek,pnswap-tx;
+};
+
+&serdes10 {
+	realtek,pnswap-tx;
+};
+
+&serdes11 {
+	realtek,pnswap-tx;
+};