ARM: dts: keystone: add mdio devices entries

The Keystone 2 has MDIO HW block which are compatible
to Davinci SoCs:
See "Gigabit Ethernet (GbE) Switch Subsystem"
  See http://www.ti.com/lit/ug/sprugv9d/sprugv9d.pdf

Hence, add corresponding DT entry for Keystone 2.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>

diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi
index c1414cb..9e31fe7 100644 (file)
--- a/arch/arm/boot/dts/keystone.dtsi
+++ b/arch/arm/boot/dts/keystone.dtsi
@@ -266,5 +266,16 @@
                        ranges = <0 0 0x30000000 0x10000000
                                  1 0 0x21000A00 0x00000100>;
                };
+
+               mdio: mdio@02090300 {
+                       compatible      = "ti,keystone_mdio", "ti,davinci_mdio";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg             = <0x02090300 0x100>;
+                       status = "disabled";
+                       clocks = <&clkpa>;
+                       clock-names = "fck";
+                       bus_freq        = <2500000>;
+               };
        };
 };