riscv: dts: starfive: Add JH7100 cache controller

The StarFive JH7100 SoC also features the SiFive L2 cache controller,
so add the device tree nodes for it.

Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

Author: esmil

arch/riscv/boot/dts/starfive/jh7100.dtsi

@@ -32,6 +32,7 @@
 			i-tlb-sets = <1>;
 			i-tlb-size = <32>;
 			mmu-type = "riscv,sv39";
+			next-level-cache = <&ccache>;
 			riscv,isa = "rv64imafdc";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
@@ -60,6 +61,7 @@
 			i-tlb-sets = <1>;
 			i-tlb-size = <32>;
 			mmu-type = "riscv,sv39";
+			next-level-cache = <&ccache>;
 			riscv,isa = "rv64imafdc";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
@@ -154,6 +156,17 @@
 					      <&cpu1_intc 3>, <&cpu1_intc 7>;
 		};
 
+		ccache: cache-controller@2010000 {
+			compatible = "starfive,jh7100-ccache", "sifive,ccache0", "cache";
+			reg = <0x0 0x2010000 0x0 0x1000>;
+			interrupts = <128>, <130>, <131>, <129>;
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-sets = <2048>;
+			cache-size = <2097152>;
+			cache-unified;
+		};
+
 		plic: interrupt-controller@c000000 {
 			compatible = "starfive,jh7100-plic", "sifive,plic-1.0.0";
 			reg = <0x0 0xc000000 0x0 0x4000000>;