Add integrated MDIO multiplexer driver node which contains
two mux PCIe bus and one ethernet bus along with phys
lying on these bus.

Signed-off-by: Pramod Kumar <pramod.ku...@broadcom.com>
---
 arch/arm64/boot/dts/broadcom/ns2-svk.dts | 12 ++++++++++++
 arch/arm64/boot/dts/broadcom/ns2.dtsi    | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+)

diff --git a/arch/arm64/boot/dts/broadcom/ns2-svk.dts 
b/arch/arm64/boot/dts/broadcom/ns2-svk.dts
index ce0ab84..8f6a6cc 100644
--- a/arch/arm64/boot/dts/broadcom/ns2-svk.dts
+++ b/arch/arm64/boot/dts/broadcom/ns2-svk.dts
@@ -87,3 +87,15 @@
                #size-cells = <1>;
        };
 };
+
+&mdio_mux_iproc {
+       mdio@10 {
+               reg = <0x10>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               gphy0: eth-phy@10 {
+                       reg = <0x10>;
+               };
+       };
+};
diff --git a/arch/arm64/boot/dts/broadcom/ns2.dtsi 
b/arch/arm64/boot/dts/broadcom/ns2.dtsi
index 6f81c9d..efc320a 100644
--- a/arch/arm64/boot/dts/broadcom/ns2.dtsi
+++ b/arch/arm64/boot/dts/broadcom/ns2.dtsi
@@ -330,6 +330,38 @@
                              <0x65260000 0x1000>;
                };
 
+               mdio_mux_iproc: mdio_mux_iproc@6602023c {
+                       compatible = "brcm,mdio-mux-iproc";
+                       reg = <0x6602023c 0x14>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       mdio-integrated-mux;
+
+                       mdio@0 {
+                               reg = <0x0>;
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               pci_phy0: pci-phy@0 {
+                                       compatible = "brcm,ns2-pcie-phy";
+                                       reg = <0x0>;
+                                       #phy-cells = <0>;
+                               };
+                       };
+
+                       mdio@7 {
+                               reg = <0x7>;
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               pci_phy1: pci-phy@0 {
+                                       compatible = "brcm,ns2-pcie-phy";
+                                       reg = <0x0>;
+                                       #phy-cells = <0>;
+                               };
+                       };
+               };
+
                timer0: timer@66030000 {
                        compatible = "arm,sp804", "arm,primecell";
                        reg = <0x66030000 0x1000>;
-- 
1.9.1

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