arm64: tegra: Enable CPU idle support for Jetson TX1

Enable CPU idle support for Jetson TX1 platform.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
index 053458a5db55bef47ae3223af38eefc00828367a..4dcd0d36189a46d4239c77807595cf8c7e150d16 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
@@ -305,6 +305,12 @@
                cpu@3 {
                        enable-method = "psci";
                };
+
+               idle-states {
+                       cpu-sleep {
+                               status = "okay";
+                       };
+               };
        };
 
        psci {