diff options
| author | Yuantian Tang <andy.tang@nxp.com> | 2017-08-07 09:54:39 +0800 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2017-08-14 09:14:19 +0800 |
| commit | 39a71db1e22b5a38c0ea5922f91786fbc5f1d8fe (patch) | |
| tree | 769e42b64eb380f0443ea0dd33df2e044d104224 /arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | |
| parent | 5334e1a24967bf0cc6423247ff5142a8e95f17d7 (diff) | |
arm64: dts: ls208xa: add cpu idle support
ls208xa supports another cpu idle state which is pw20 which saves
more power when cpu is idle.
It was implemented through psci firmware.
Signed-off-by: Tang Yuantian <andy.tang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi index fc1234dc90f9..4fb9a0966a84 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi @@ -125,6 +125,11 @@ interrupts = <1 7 0x8>; /* PMU PPI, Level low type */ }; + psci { + compatible = "arm,psci-0.2"; + method = "smc"; + }; + soc { compatible = "simple-bus"; #address-cells = <2>; |