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Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx952.dtsi | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx952.dtsi b/arch/arm64/boot/dt= s/freescale/imx952.dtsi index 33bde271d394d19407562f2a427a8a84b85bd679..91fe4916ac04d1d6337c2670374= 865c6f73163ba 100644 --- a/arch/arm64/boot/dts/freescale/imx952.dtsi +++ b/arch/arm64/boot/dts/freescale/imx952.dtsi @@ -1,6 +1,6 @@ // SPDX-License-Identifier: (GPL-2.0-only OR MIT) /* - * Copyright 2025 NXP + * Copyright 2025-2026 NXP */ =20 #include @@ -50,12 +50,27 @@ cpus { #address-cells =3D <1>; #size-cells =3D <0>; =20 + idle-states { + entry-method =3D "psci"; + + cpu_pd_wait: cpu-pd-wait { + compatible =3D "arm,idle-state"; + arm,psci-suspend-param =3D <0x0010033>; + local-timer-stop; + entry-latency-us =3D <1000>; + exit-latency-us =3D <700>; + min-residency-us =3D <2700>; + wakeup-latency-us =3D <1500>; + }; + }; + A55_0: cpu@0 { device_type =3D "cpu"; compatible =3D "arm,cortex-a55"; reg =3D <0x0>; enable-method =3D "psci"; #cooling-cells =3D <2>; + cpu-idle-states =3D <&cpu_pd_wait>; power-domains =3D <&scmi_perf IMX952_PERF_A55>; power-domain-names =3D "perf"; i-cache-size =3D <32768>; @@ -73,6 +88,7 @@ A55_1: cpu@100 { reg =3D <0x100>; enable-method =3D "psci"; #cooling-cells =3D <2>; + cpu-idle-states =3D <&cpu_pd_wait>; power-domains =3D <&scmi_perf IMX952_PERF_A55>; power-domain-names =3D "perf"; i-cache-size =3D <32768>; @@ -90,6 +106,7 @@ A55_2: cpu@200 { reg =3D <0x200>; enable-method =3D "psci"; #cooling-cells =3D <2>; + cpu-idle-states =3D <&cpu_pd_wait>; power-domains =3D <&scmi_perf IMX952_PERF_A55>; power-domain-names =3D "perf"; i-cache-size =3D <32768>; @@ -107,6 +124,7 @@ A55_3: cpu@300 { reg =3D <0x300>; enable-method =3D "psci"; #cooling-cells =3D <2>; + cpu-idle-states =3D <&cpu_pd_wait>; power-domains =3D <&scmi_perf IMX952_PERF_A55>; power-domain-names =3D "perf"; i-cache-size =3D <32768>; --=20 2.37.1