arm64: dts: qcom: sm8250: Add EPSS L3 interconnect provider

Add Epoch Subsystem (EPSS) L3 interconnect provider node on SM8250
SoCs.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200801123049.32398-8-sibis@codeaurora.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/sm8250.dtsi

@@ -7,6 +7,7 @@
 #include <dt-bindings/clock/qcom,gcc-sm8250.h>
 #include <dt-bindings/clock/qcom,gpucc-sm8250.h>
 #include <dt-bindings/clock/qcom,rpmh.h>
+#include <dt-bindings/interconnect/qcom,osm-l3.h>
 #include <dt-bindings/mailbox/qcom-ipcc.h>
 #include <dt-bindings/power/qcom-aoss-qmp.h>
 #include <dt-bindings/power/qcom-rpmpd.h>
@@ -2305,6 +2306,16 @@ apps_bcm_voter: bcm_voter {
 				compatible = "qcom,bcm-voter";
 			};
 		};
+
+		epss_l3: interconnect@18591000 {
+			compatible = "qcom,sm8250-epss-l3";
+			reg = <0 0x18590000 0 0x1000>;
+
+			clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GPLL0>;
+			clock-names = "xo", "alternate";
+
+			#interconnect-cells = <1>;
+		};
 	};
 
 	timer {