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arm64: dts: ls1012a: add cpu idle support 

Signed-off-by: Tang Yuantian <andy.tang@nxp.com>
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Yuantian Tang 2018-02-08 15:54:34 +08:00 committed by Shawn Guo
parent 8acb019209
commit 9b4eefcb70
1 changed files with 18 additions and 0 deletions
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18
arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
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@ -70,6 +70,24 @@ cpu0: cpu@0 {
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>;
};
};