ARM: dts: lan966x: add serdes node

Add the SerDes node. On the LAN966x SoC these SerDes are used to connect
network PHYs.

By default, that node is disabled.

Signed-off-by: Michael Walle <[email protected]>
Reviewed-by: Claudiu Beznea <[email protected]>
Tested-by: Horatiu Vultur <[email protected]>
Signed-off-by: Claudiu Beznea <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Nicolas Ferre <[email protected]>

Author: mwalle

arch/arm/boot/dts/lan966x.dtsi

@@ -500,6 +500,14 @@
 			clocks = <&sys_clk>;
 		};
 
+		serdes: serdes@e202c000 {
+			compatible = "microchip,lan966x-serdes";
+			reg = <0xe202c000 0x9c>,
+			      <0xe2004010 0x4>;
+			#phy-cells = <2>;
+			status = "disabled";
+		};
+
 		gic: interrupt-controller@e8c11000 {
 			compatible = "arm,gic-400", "arm,cortex-a7-gic";
 			#interrupt-cells = <3>;