diff mbox series

[2/2] ARM: dts: am4372: Add idle_states for cpuidle

Message ID 20191213041725.16831-3-d-gerlach@ti.com (mailing list archive)
State New, archived
Headers show
Series ARM: dts: am33xx/am4372: Add cpuidle dt states | expand

Commit Message

Dave Gerlach Dec. 13, 2019, 4:17 a.m. UTC 
Add idle_states table for CPU on am437x. Currently just add C1 state
which gates the MPU clock domain.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
---
 arch/arm/boot/dts/am4372.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index ca0aa3f26c0a..71ff2bf68d56 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -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;
+			};
 		};
 	};