Messages in this thread Patch in this message | | | From | Ran Wang <> | Subject | [PATCH 2/3] arm64: dts: ls1043a: add cpu idle support | Date | Thu, 8 Feb 2018 15:54:35 +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-ls1043a.dtsi | 21 +++++++++++++++++++++ 1 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi index 380e7c7..18828b9 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi @@ -81,6 +81,7 @@ clocks = <&clockgen 1 0>; next-level-cache = <&l2>; #cooling-cells = <2>; + cpu-idle-states = <&CPU_PH20>; }; cpu1: cpu@1 { @@ -89,6 +90,7 @@ reg = <0x1>; clocks = <&clockgen 1 0>; next-level-cache = <&l2>; + cpu-idle-states = <&CPU_PH20>; }; cpu2: cpu@2 { @@ -97,6 +99,7 @@ reg = <0x2>; clocks = <&clockgen 1 0>; next-level-cache = <&l2>; + cpu-idle-states = <&CPU_PH20>; }; cpu3: cpu@3 { @@ -105,6 +108,7 @@ reg = <0x3>; clocks = <&clockgen 1 0>; next-level-cache = <&l2>; + cpu-idle-states = <&CPU_PH20>; }; l2: l2-cache { @@ -112,6 +116,23 @@ }; }; + 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>; + }; + }; + memory@80000000 { device_type = "memory"; reg = <0x0 0x80000000 0 0x80000000>; -- 1.7.1
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