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Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx95.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts= /freescale/imx95.dtsi index ae8e09203ef431d8869fdce79df9f31a3e55971c..62bb526ba507b9fefc8d90743d6= 53e9dadf030ef 100644 --- a/arch/arm64/boot/dts/freescale/imx95.dtsi +++ b/arch/arm64/boot/dts/freescale/imx95.dtsi @@ -22,12 +22,27 @@ 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 <10000>; + exit-latency-us =3D <7000>; + min-residency-us =3D <27000>; + wakeup-latency-us =3D <15000>; + }; + }; + 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 IMX95_PERF_A55>; power-domain-names =3D "perf"; i-cache-size =3D <32768>; @@ -45,6 +60,7 @@ 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 IMX95_PERF_A55>; power-domain-names =3D "perf"; i-cache-size =3D <32768>; @@ -62,6 +78,7 @@ 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 IMX95_PERF_A55>; power-domain-names =3D "perf"; i-cache-size =3D <32768>; @@ -79,6 +96,7 @@ 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 IMX95_PERF_A55>; power-domain-names =3D "perf"; i-cache-size =3D <32768>; @@ -98,6 +116,7 @@ A55_4: cpu@400 { power-domain-names =3D "perf"; enable-method =3D "psci"; #cooling-cells =3D <2>; + cpu-idle-states =3D <&cpu_pd_wait>; i-cache-size =3D <32768>; i-cache-line-size =3D <64>; i-cache-sets =3D <128>; @@ -115,6 +134,7 @@ A55_5: cpu@500 { power-domain-names =3D "perf"; enable-method =3D "psci"; #cooling-cells =3D <2>; + cpu-idle-states =3D <&cpu_pd_wait>; i-cache-size =3D <32768>; i-cache-line-size =3D <64>; i-cache-sets =3D <128>; --=20 2.37.1