arm64: dts: hip05: Add L2 cache topology

The Hip05 SoC has four L2 cache for all 16 CPUs, every four cpus
share one L2 cache, add them to the dtsi file so that the cache
hierarchy can be probed.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

arch/arm64/boot/dts/hisilicon/hip05.dtsi

@@ -90,111 +90,143 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20000>;
 			enable-method = "psci";
+			next-level-cache = <&cluster0_l2>;
 		};
 
 		cpu1: cpu@20001 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20001>;
 			enable-method = "psci";
+			next-level-cache = <&cluster0_l2>;
 		};
 
 		cpu2: cpu@20002 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20002>;
 			enable-method = "psci";
+			next-level-cache = <&cluster0_l2>;
 		};
 
 		cpu3: cpu@20003 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20003>;
 			enable-method = "psci";
+			next-level-cache = <&cluster0_l2>;
 		};
 
 		cpu4: cpu@20100 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20100>;
 			enable-method = "psci";
+			next-level-cache = <&cluster1_l2>;
 		};
 
 		cpu5: cpu@20101 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20101>;
 			enable-method = "psci";
+			next-level-cache = <&cluster1_l2>;
 		};
 
 		cpu6: cpu@20102 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20102>;
 			enable-method = "psci";
+			next-level-cache = <&cluster1_l2>;
 		};
 
 		cpu7: cpu@20103 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20103>;
 			enable-method = "psci";
+			next-level-cache = <&cluster1_l2>;
 		};
 
 		cpu8: cpu@20200 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20200>;
 			enable-method = "psci";
+			next-level-cache = <&cluster2_l2>;
 		};
 
 		cpu9: cpu@20201 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20201>;
 			enable-method = "psci";
+			next-level-cache = <&cluster2_l2>;
 		};
 
 		cpu10: cpu@20202 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20202>;
 			enable-method = "psci";
+			next-level-cache = <&cluster2_l2>;
 		};
 
 		cpu11: cpu@20203 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20203>;
 			enable-method = "psci";
+			next-level-cache = <&cluster2_l2>;
 		};
 
 		cpu12: cpu@20300 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20300>;
 			enable-method = "psci";
+			next-level-cache = <&cluster3_l2>;
 		};
 
 		cpu13: cpu@20301 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20301>;
 			enable-method = "psci";
+			next-level-cache = <&cluster3_l2>;
 		};
 
 		cpu14: cpu@20302 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20302>;
 			enable-method = "psci";
+			next-level-cache = <&cluster3_l2>;
 		};
 
 		cpu15: cpu@20303 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20303>;
 			enable-method = "psci";
+			next-level-cache = <&cluster3_l2>;
+		};
+
+		cluster0_l2: l2-cache0 {
+			compatible = "cache";
+		};
+
+		cluster1_l2: l2-cache1 {
+			compatible = "cache";
+		};
+
+		cluster2_l2: l2-cache2 {
+			compatible = "cache";
+		};
+
+		cluster3_l2: l2-cache3 {
+			compatible = "cache";
 		};
 	};