arm64: tegra: Enable PSCI on P3310

The P3310 processor module comes ships with a firmware that implements
PSCI 1.0. Enable and use it to bring up all CPUs.

Signed-off-by: Thierry Reding <treding@nvidia.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
index 807af7b68761..1abe2eceb3d1 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
@@ -26,7 +26,39 @@
                 status = "okay";
         };
 
+        cpus {
+                cpu@0 {
+                        enable-method = "psci";
+                };
+
+                cpu@1 {
+                        enable-method = "psci";
+                };
+
+                cpu@2 {
+                        enable-method = "psci";
+                };
+
+                cpu@3 {
+                        enable-method = "psci";
+                };
+
+                cpu@4 {
+                        enable-method = "psci";
+                };
+
+                cpu@5 {
+                        enable-method = "psci";
+                };
+        };
+
         bpmp {
                 status = "okay";
         };
+
+        psci {
+                compatible = "arm,psci-1.0";
+                status = "okay";
+                method = "smc";
+        };
 };