From: Heiko Stuebner <heiko.stuebner@cherry.de>
Date: Mon, 20 Oct 2025 10:07:56 +0000 (+0200)
Subject: arm64: dts: rockchip: add mdio subnode to gmac on rk3368
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bce933a74b8e785a8090da74bee8ec3f38be40b7;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: rockchip: add mdio subnode to gmac on rk3368

This is needed to actually describe the per-board phys connected
to the gmac when needed.

Signed-off-by: Heiko Stuebner <heiko.stuebner@cherry.de>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Link: https://patch.msgid.link/20251020100757.3669681-3-heiko@sntech.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---

diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
index 4c391e2341c53..f9e24b25274b8 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
@@ -501,6 +501,12 @@
 		resets = <&cru SRST_MAC>;
 		reset-names = "stmmaceth";
 		status = "disabled";
+
+		mdio: mdio {
+			compatible = "snps,dwmac-mdio";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
 	};
 
 	usb_host0_ehci: usb@ff500000 {