Messages in this thread Patch in this message | | | From | Ran Wang <> | Subject | [PATCH 1/3] arm64: dts: ls1012a: add cpu idle support | Date | Thu, 8 Feb 2018 15:54:34 +0800 |
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From: Yuantian Tang <andy.tang@nxp.com>
Signed-off-by: Tang Yuantian <andy.tang@nxp.com> --- 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
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