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[v18,10/11] ARM: dts: qcom: Add idle state device nodes for 8064

Message ID 1427315136-44321-11-git-send-email-lina.iyer@linaro.org
State Accepted
Commit 06c49f2b88eb177f4f96d68d561f28fb125e7c0c
Headers show

Commit Message

Lina Iyer March 25, 2015, 8:25 p.m. UTC
Add ARM common idle state device bindings for cpuidle support for APQ
8064.

Support Standalone power collapse (SPC) idle state (power down that does not
affect any SoC idle states) for each cpu.

Cc: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Lina Iyer <lina.iyer@linaro.org>
---
 arch/arm/boot/dts/qcom-apq8064.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index 9fd24bc..592e985 100644
--- a/arch/arm/boot/dts/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
@@ -23,6 +23,7 @@ 
 			next-level-cache = <&L2>;
 			qcom,acc = <&acc0>;
 			qcom,saw = <&saw0>;
+			cpu-idle-states = <&CPU_SPC>;
 		};
 
 		cpu@1 {
@@ -33,6 +34,7 @@ 
 			next-level-cache = <&L2>;
 			qcom,acc = <&acc1>;
 			qcom,saw = <&saw1>;
+			cpu-idle-states = <&CPU_SPC>;
 		};
 
 		cpu@2 {
@@ -43,6 +45,7 @@ 
 			next-level-cache = <&L2>;
 			qcom,acc = <&acc2>;
 			qcom,saw = <&saw2>;
+			cpu-idle-states = <&CPU_SPC>;
 		};
 
 		cpu@3 {
@@ -53,12 +56,23 @@ 
 			next-level-cache = <&L2>;
 			qcom,acc = <&acc3>;
 			qcom,saw = <&saw3>;
+			cpu-idle-states = <&CPU_SPC>;
 		};
 
 		L2: l2-cache {
 			compatible = "cache";
 			cache-level = <2>;
 		};
+
+		idle-states {
+			CPU_SPC: spc {
+				compatible = "qcom,idle-state-spc",
+						"arm,idle-state";
+				entry-latency-us = <400>;
+				exit-latency-us = <900>;
+				min-residency-us = <3000>;
+			};
+		};
 	};
 
 	cpu-pmu {