[PATCH 2/3] arm64: dts: rockchip: add mdio subnode to gmac on rk3368

[Heiko Stuebner]

From: Heiko Stuebner <heiko.stuebner at cherry.de>

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

Signed-off-by: Heiko Stuebner <heiko.stuebner at cherry.de>
---
 arch/arm64/boot/dts/rockchip/rk3368.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
index 47968032afdc..98d350768fd2 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
@@ -501,6 +501,12 @@ gmac: ethernet at ff290000 {
 		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 at ff500000 {
-- 
2.47.2