diff options
| author | Peng Fan <peng.fan@nxp.com> | 2023-05-10 16:31:52 +0800 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2023-05-15 11:30:14 +0800 |
| commit | afbd37e878244a3f4d167cb405cd38300592e0b4 (patch) | |
| tree | 67eec7d63eb4100819ff1e4e23e8901a167cfcf7 /arch | |
| parent | f2d03ba997cb5370060874f03e4c61c18bdf6a54 (diff) | |
arm64: dts: imx93: add cpuidle node
Add cpuidle node to support cpu idle.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx93.dtsi | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi index 5c5652ae4ee0..dc444ca394af 100644 --- a/arch/arm64/boot/dts/freescale/imx93.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi @@ -46,12 +46,27 @@ #address-cells = <1>; #size-cells = <0>; + idle-states { + entry-method = "psci"; + + cpu_pd_wait: cpu-pd-wait { + compatible = "arm,idle-state"; + arm,psci-suspend-param = <0x0010033>; + local-timer-stop; + entry-latency-us = <10000>; + exit-latency-us = <7000>; + min-residency-us = <27000>; + wakeup-latency-us = <15000>; + }; + }; + A55_0: cpu@0 { device_type = "cpu"; compatible = "arm,cortex-a55"; reg = <0x0>; enable-method = "psci"; #cooling-cells = <2>; + cpu-idle-states = <&cpu_pd_wait>; }; A55_1: cpu@100 { @@ -60,6 +75,7 @@ reg = <0x100>; enable-method = "psci"; #cooling-cells = <2>; + cpu-idle-states = <&cpu_pd_wait>; }; }; |