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authorLina Iyer <lina.iyer@linaro.org>2015-03-25 14:25:35 -0600
committerOlof Johansson <olof@lixom.net>2015-04-03 13:33:55 -0700
commit06c49f2b88eb177f4f96d68d561f28fb125e7c0c (patch)
tree27893a7b037c5416501cda7c2f46e542d60c9c7f /arch/arm/boot/dts/qcom-apq8064.dtsi
parentd8664979e6ba97024c43d6248f94982ee0c8d1ee (diff)
downloadblackbird-op-linux-06c49f2b88eb177f4f96d68d561f28fb125e7c0c.tar.gz
blackbird-op-linux-06c49f2b88eb177f4f96d68d561f28fb125e7c0c.zip
ARM: dts: qcom: Add idle state device nodes for 8064
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. Signed-off-by: Lina Iyer <lina.iyer@linaro.org> Signed-off-by: Kumar Gala <galak@codeaurora.org> Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/boot/dts/qcom-apq8064.dtsi')
-rw-r--r--arch/arm/boot/dts/qcom-apq8064.dtsi14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index 58e1d79185ce..6c1511263a55 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 {
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