Add clock dt node for ns3.

Signed-off-by: Rayagonda Kokatanur <rayagonda.kokata...@broadcom.com>
---
 arch/arm/dts/ns3-clock.dtsi | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 arch/arm/dts/ns3-clock.dtsi

diff --git a/arch/arm/dts/ns3-clock.dtsi b/arch/arm/dts/ns3-clock.dtsi
new file mode 100644
index 0000000000..faa5194607
--- /dev/null
+++ b/arch/arm/dts/ns3-clock.dtsi
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier:      GPL-2.0+
+/*
+ * Copyright (C) 2020 Broadcom
+ */
+
+       osc: oscillator {
+               #clock-cells = <0>;
+               compatible = "fixed-clock";
+               clock-frequency = <50000000>;
+       };
+
+       crmu_ref25m: crmu_ref25m {
+               #clock-cells = <0>;
+               compatible = "fixed-factor-clock";
+               clocks = <&osc>;
+               clock-div = <2>;
+               clock-mult = <1>;
+       };
+
+       hsls_25m_clk: hsls_25m_clk {
+               #clock-cells = <0>;
+               compatible = "fixed-factor-clock";
+               clocks = <&crmu_ref25m>;
+               clock-div = <1>;
+               clock-mult = <1>;
+       };
+
+       hsls_25m_div2_clk: hsls_25m_div2_clk {
+               #clock-cells = <0>;
+               compatible = "fixed-factor-clock";
+               clocks = <&hsls_25m_clk>;
+               clock-div = <2>;
+               clock-mult = <1>;
+       };
-- 
2.17.1

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