[PATCH] ARM64: dts: meson-gx: Add missing L2 cache node

[Neil Armstrong]

In order to remove the boot warning :
[    2.290933] Unable to detect cache hierarchy from DT for CPU 0
And add missing L2 cache hierarchy information, add a simple l2 cache node
and reference it from the A53 cpu nodes.

Signed-off-by: Neil Armstrong <narmstr...@baylibre.com>
---
 arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi 
b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index 0737056..a6cd953 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -64,6 +64,7 @@
                        compatible = "arm,cortex-a53", "arm,armv8";
                        reg = <0x0 0x0>;
                        enable-method = "psci";
+                       next-level-cache = <&l2>;
                };
 
                cpu1: cpu@1 {
@@ -71,6 +72,7 @@
                        compatible = "arm,cortex-a53", "arm,armv8";
                        reg = <0x0 0x1>;
                        enable-method = "psci";
+                       next-level-cache = <&l2>;
                };
 
                cpu2: cpu@2 {
@@ -78,6 +80,7 @@
                        compatible = "arm,cortex-a53", "arm,armv8";
                        reg = <0x0 0x2>;
                        enable-method = "psci";
+                       next-level-cache = <&l2>;
                };
 
                cpu3: cpu@3 {
@@ -85,6 +88,11 @@
                        compatible = "arm,cortex-a53", "arm,armv8";
                        reg = <0x0 0x3>;
                        enable-method = "psci";
+                       next-level-cache = <&l2>;
+               };
+
+               l2: l2-cache0 {
+                       compatible = "cache";
                };
        };
 
-- 
1.9.1