ARM: dts: am4372: Add idle_states for cpuidle (89a7b191) · Commits · 戴 / test

Add idle_states table for CPU on am437x. Currently just add C1 state which gates the MPU clock domain. Signed-off-by:

arch/arm/boot/dts/am4372.dtsi

+12 −0

Original line number	Diff line number	Diff line
		@@ -45,6 +45,7 @@
		#size-cells = <0>;
		cpu: cpu@0 {
		compatible = "arm,cortex-a9";
		enable-method = "ti,am4372";
		device_type = "cpu";
		reg = <0>;

		@@ -54,6 +55,17 @@
		operating-points-v2 = <&cpu0_opp_table>;

		clock-latency = <300000>; /* From omap-cpufreq driver */
		cpu-idle-states = <&mpu_gate>;
		};

		idle-states {
		mpu_gate: mpu_gate {
		compatible = "arm,idle-state";
		entry-latency-us = <40>;
		exit-latency-us = <100>;
		min-residency-us = <300>;
		local-timer-stop;
		};
		};
		};