diff options
| author | Bai Ping <ping.bai@nxp.com> | 2018-05-04 17:56:45 +0800 |
|---|---|---|
| committer | Jason Liu <jason.hui.liu@nxp.com> | 2019-02-12 10:31:34 +0800 |
| commit | 5c587c56dc75877328e348c2fc45bf6a111b54c7 (patch) | |
| tree | 15c28ecc5323648a8f0e775f399ba7f01fd8bb8f | |
| parent | dee907b0f66fa88bc852bfe1887fa033cdf06ceb (diff) | |
MLK-18205-8 ARM64: dts: freescale: imx8mm: add cpu-idle support
Add i.MX8MM cpu-idle support, level #1 is wfi,
level #2 is ARM power gated.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Bai Ping <ping.bai@nxp.com>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/fsl-imx8mm.dtsi | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8mm.dtsi b/arch/arm64/boot/dts/freescale/fsl-imx8mm.dtsi index 7f90c07b3dbc..7d9dae24137c 100644 --- a/arch/arm64/boot/dts/freescale/fsl-imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-imx8mm.dtsi @@ -45,6 +45,22 @@ gpio4 = &gpio5; }; + cpus { + idle-states { + entry-method = "psci"; + + CPU_SLEEP: cpu-sleep { + compatible = "arm,idle-state"; + arm,psci-suspend-param = <0x0010033>; + local-timer-stop; + entry-latency-us = <1000>; + exit-latency-us = <700>; + min-residency-us = <2700>; + wakeup-latency-us = <1500>; + }; + }; + }; + memory@40000000 { device_type = "memory"; reg = <0x0 0x40000000 0 0x80000000>; |