[PATCH v15 10/11] ARM: dts: qcom: Add idle state device nodes for 8064
From: Lina Iyer <hidden>
Date: 2015-03-09 15:16:45
Also in:
linux-arm-kernel, linux-arm-msm, linux-devicetree
Subsystem:
the rest · Maintainer:
Linus Torvalds
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. Cc: Kumar Gala <redacted> Signed-off-by: Lina Iyer <redacted> Reviewed-by: Stephen Boyd <redacted> --- arch/arm/boot/dts/qcom-apq8064.dtsi | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index 9fd24bc..08893fd 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@1 {
@@ -33,6 +34,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc1>; qcom,saw = <&saw1>; + cpu-idle-states = <&CPU_STBY &CPU_SPC>; }; cpu@2 {
@@ -43,6 +45,7 @@ next-level-cache = <&L2>; qcom,acc = <&acc2>; qcom,saw = <&saw2>; + cpu-idle-states = <&CPU_STBY &CPU_SPC>; }; cpu@3 {
@@ -53,12 +56,31 @@ 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