ARM: dts: am33xx: Add idle_states for cpuidle (c3e6fcca) · Commits · 戴 / test

Add idle_states table for CPU on am335x. Currently just add C1 state which gates the MPU clock domain. Signed-off-by:

arch/arm/boot/dts/am33xx.dtsi

+12 −0

Original line number	Diff line number	Diff line
		@@ -47,6 +47,7 @@
		#size-cells = <0>;
		cpu@0 {
		compatible = "arm,cortex-a8";
		enable-method = "ti,am3352";
		device_type = "cpu";
		reg = <0>;

		@@ -56,6 +57,17 @@
		clock-names = "cpu";

		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 = <90>;
		min-residency-us = <300>;
		ti,idle-wkup-m3;
		};
		};
		};