[PATCH v3 10/10] arm64: dts: uniphier: Add L2 cache node

[Kunihiko Hayashi]

Add a L2 cache node referenced from CPU nodes as the missing cache hierarchy
information because the following warning was issued.

  cacheinfo: Unable to detect cache hierarchy for CPU 0
  Early cacheinfo failed, ret = -2

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko at socionext.com>
---
 arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi |  6 ++++++
 arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi | 12 ++++++++++++
 arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi |  8 ++++++++
 3 files changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
index 525bff79efea..1c76b4375b2e 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
@@ -36,6 +36,7 @@ cpu0: cpu at 0 {
 			reg = <0 0x000>;
 			clocks = <&sys_clk 33>;
 			enable-method = "psci";
+			next-level-cache = <&l2>;
 			operating-points-v2 = <&cluster0_opp>;
 		};
 
@@ -45,8 +46,13 @@ cpu1: cpu at 1 {
 			reg = <0 0x001>;
 			clocks = <&sys_clk 33>;
 			enable-method = "psci";
+			next-level-cache = <&l2>;
 			operating-points-v2 = <&cluster0_opp>;
 		};
+
+		l2: l2-cache {
+			compatible = "cache";
+		};
 	};
 
 	cluster0_opp: opp-table {
diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
index 938753ded7c0..9308458f9611 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
@@ -46,6 +46,7 @@ cpu0: cpu at 0 {
 			reg = <0 0x000>;
 			clocks = <&sys_clk 32>;
 			enable-method = "psci";
+			next-level-cache = <&a72_l2>;
 			operating-points-v2 = <&cluster0_opp>;
 			#cooling-cells = <2>;
 		};
@@ -56,6 +57,7 @@ cpu1: cpu at 1 {
 			reg = <0 0x001>;
 			clocks = <&sys_clk 32>;
 			enable-method = "psci";
+			next-level-cache = <&a72_l2>;
 			operating-points-v2 = <&cluster0_opp>;
 			#cooling-cells = <2>;
 		};
@@ -66,6 +68,7 @@ cpu2: cpu at 100 {
 			reg = <0 0x100>;
 			clocks = <&sys_clk 33>;
 			enable-method = "psci";
+			next-level-cache = <&a53_l2>;
 			operating-points-v2 = <&cluster1_opp>;
 			#cooling-cells = <2>;
 		};
@@ -76,9 +79,18 @@ cpu3: cpu at 101 {
 			reg = <0 0x101>;
 			clocks = <&sys_clk 33>;
 			enable-method = "psci";
+			next-level-cache = <&a53_l2>;
 			operating-points-v2 = <&cluster1_opp>;
 			#cooling-cells = <2>;
 		};
+
+		a72_l2: l2-cache0 {
+			compatible = "cache";
+		};
+
+		a53_l2: l2-cache1 {
+			compatible = "cache";
+		};
 	};
 
 	cluster0_opp: opp-table-0 {
diff --git a/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi b/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi
index f10685625b6a..b0c29510a7da 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi
@@ -43,6 +43,7 @@ cpu0: cpu at 0 {
 			reg = <0 0x000>;
 			clocks = <&sys_clk 33>;
 			enable-method = "psci";
+			next-level-cache = <&l2>;
 			operating-points-v2 = <&cluster0_opp>;
 			#cooling-cells = <2>;
 		};
@@ -53,6 +54,7 @@ cpu1: cpu at 1 {
 			reg = <0 0x001>;
 			clocks = <&sys_clk 33>;
 			enable-method = "psci";
+			next-level-cache = <&l2>;
 			operating-points-v2 = <&cluster0_opp>;
 			#cooling-cells = <2>;
 		};
@@ -63,6 +65,7 @@ cpu2: cpu at 2 {
 			reg = <0 0x002>;
 			clocks = <&sys_clk 33>;
 			enable-method = "psci";
+			next-level-cache = <&l2>;
 			operating-points-v2 = <&cluster0_opp>;
 			#cooling-cells = <2>;
 		};
@@ -73,9 +76,14 @@ cpu3: cpu at 3 {
 			reg = <0 0x003>;
 			clocks = <&sys_clk 33>;
 			enable-method = "psci";
+			next-level-cache = <&l2>;
 			operating-points-v2 = <&cluster0_opp>;
 			#cooling-cells = <2>;
 		};
+
+		l2: l2-cache {
+			compatible = "cache";
+		};
 	};
 
 	cluster0_opp: opp-table {
-- 
2.25.1