[PATCH 10/10] arm: dts: qcom: Add idle state device nodes for 8064

[Lina Iyer]

Add ARM common idle state device bindings for cpuidle support for APQ
8064.

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

Signed-off-by: Lina Iyer <lina.iyer at linaro.org>
Reviewed-by: Stephen Boyd <sboyd at codeaurora.org>
---
 arch/arm/boot/dts/qcom-apq8064.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index 9fd24bc..ab21dba 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_STBY &CPU_SPC>;
 		};
 
 		cpu at 1 {
@@ -33,6 +34,7 @@
 			next-level-cache = <&L2>;
 			qcom,acc = <&acc1>;
 			qcom,saw = <&saw1>;
+			cpu-idle-states = <&CPU_STBY &CPU_SPC>;
 		};
 
 		cpu at 2 {
@@ -43,6 +45,7 @@
 			next-level-cache = <&L2>;
 			qcom,acc = <&acc2>;
 			qcom,saw = <&saw2>;
+			cpu-idle-states = <&CPU_STBY &CPU_SPC>;
 		};
 
 		cpu at 3 {
@@ -53,12 +56,29 @@
 			next-level-cache = <&L2>;
 			qcom,acc = <&acc3>;
 			qcom,saw = <&saw3>;
+			cpu-idle-states = <&CPU_STBY &CPU_SPC>;
 		};
 
 		L2: l2-cache {
 			compatible = "cache";
 			cache-level = <2>;
 		};
+
+		idle-states {
+			CPU_STBY: standby {
+				compatible = "qcom,idle-state-stby", "arm,idle-state";
+				entry-latency-us = <1>;
+				exit-latency-us = <1>;
+				min-residency-us = <2>;
+			};
+
+			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 {
-- 
2.1.0