[PATCH 1/3] arm64: dts: ls1012a: add cpu idle support
From: Ran Wang <hidden>
Date: 2018-02-08 09:32:47
Also in:
linux-arm-kernel, lkml
Subsystem:
arm/freescale imx / mxc / layerscape arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
From: Yuantian Tang <redacted> Signed-off-by: Tang Yuantian <redacted> --- arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
index 82b272f..15421ef 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi@@ -70,6 +70,24 @@ reg = <0x0>; clocks = <&clockgen 1 0>; #cooling-cells = <2>; + cpu-idle-states = <&CPU_PH20>; + }; + }; + + idle-states { + /* + * PSCI node is not added default, U-boot will add missing + * parts if it determines to use PSCI. + */ + entry-method = "arm,psci"; + + CPU_PH20: cpu-ph20 { + compatible = "arm,idle-state"; + idle-state-name = "PH20"; + arm,psci-suspend-param = <0x00010000>; + entry-latency-us = <1000>; + exit-latency-us = <1000>; + min-residency-us = <3000>; }; };
--
1.7.1