Add TI Keystone 2 Generic PM Controller node and attach
the Davinci MDIO device to it.

CC: Santosh Shilimkar <[email protected]>
CC: Kevin Hilman <[email protected]>
CC: Ulf Hansson <[email protected]>
CC: Geert Uytterhoeven <[email protected]>
Signed-off-by: Grygorii Strashko <[email protected]>
---
 arch/arm/boot/dts/keystone.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi
index 5d3e83f..c669d0d 100644
--- a/arch/arm/boot/dts/keystone.dtsi
+++ b/arch/arm/boot/dts/keystone.dtsi
@@ -85,6 +85,11 @@
 
                /include/ "keystone-clocks.dtsi"
 
+               pm_controller: pm-controller {
+                       compatible = "ti,keystone-powerdomain";
+                       #power-domain-cells = <0>;
+               };
+
                uart0: serial@02530c00 {
                        compatible = "ns16550a";
                        current-speed = <115200>;
@@ -275,6 +280,7 @@
                        status = "disabled";
                        clocks = <&clkpa>;
                        clock-names = "fck";
+                       power-domains = <&pm_controller>;
                        bus_freq        = <2500000>;
                };
 
-- 
1.9.1

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