ARM: dts: BCM5301X: Specify MDIO bus in the DT

Northstar devices have MDIO bus that may contain various PHYs attached.
A common example is USB 3.0 PHY (that doesn't have an MDIO driver yet).

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
index ffcbe49c8f39..98647d22b291 100644
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -320,6 +320,14 @@
                 };
         };
 
+        mdio: mdio@18003000 {
+                compatible = "brcm,iproc-mdio";
+                reg = <0x18003000 0x8>;
+                #size-cells = <1>;
+                #address-cells = <0>;
+                status = "disabled";
+        };
+
         i2c0: i2c@18009000 {
                 compatible = "brcm,iproc-i2c";
                 reg = <0x18009000 0x50>;