From e57cf057c57d80b4949379e92769a34d7839cced Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Fri, 14 Jun 2019 17:41:04 +0200 Subject: [PATCH] arm64: tegra: Enable CPU sleep on Jetson Nano Jetson Nano implements CPU sleep via PSCI, much like any of the other Tegra X1 platforms. Enable the sleep states to allow the CPU to go into lower power states when idle. Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts index 97349fc..63df72e 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts @@ -540,6 +540,12 @@ cpu@3 { enable-method = "psci"; }; + + idle-states { + cpu-sleep { + status = "okay"; + }; + }; }; gpio-keys { -- 2.7.4