Commit afbd37e8 authored by Peng Fan's avatar Peng Fan Committed by Shawn Guo
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arm64: dts: imx93: add cpuidle node 



Add cpuidle node to support cpu idle.

Signed-off-by: default avatarPeng Fan <peng.fan@nxp.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent f2d03ba9

arch/arm64/boot/dts/freescale/imx93.dtsi

+16 −0
Original line number Diff line number Diff line
@@ -46,12 +46,27 @@ cpus { 
		#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 @@ A55_1: cpu@100 { 
			reg = <0x100>;

			enable-method = "psci";

			#cooling-cells = <2>;

			cpu-idle-states = <&cpu_pd_wait>;

		};



	};