From 9b4eefcb70ca79d7dbd3a2a2d29ef9682762eeeb Mon Sep 17 00:00:00 2001 From: Yuantian Tang Date: Thu, 8 Feb 2018 15:54:34 +0800 Subject: arm64: dts: ls1012a: add cpu idle support Signed-off-by: Tang Yuantian Signed-off-by: Ran Wang Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'arch/arm64/boot/dts/freescale') diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi index 4e98d057253b..d79d8fea1bb3 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>; }; }; -- cgit