@@ -88,4 +88,25 @@
qcom,cpu-vctl-mask = <0xf>;
qcom,saw2-spm-cmd-ret = [1f 00 03 00 0f];
};
+
+ qcom,cpuidle {
+ compatible = "qcom,cpuidle";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ qcom,cpu-level@0 {
+ reg = <0x0>;
+ qcom,state-name = "C1";
+ qcom,spm-cpu-mode = "wfi";
+ qcom,latency-us = <1>;
+ qcom,residency-us = <1>;
+ };
+
+ qcom,cpu-level@2 {
+ reg = <0x1>;
+ qcom,state-name = "C2";
+ qcom,spm-cpu-mode = "standalone_pc";
+ qcom,latency-us = <300>;
+ qcom,residency-us = <2000>;
+ };
+ };
};
Add C-States and the respective residencies supported by the QCOM 8974 chipset. Current support is for WFI (clock gating) and Standlone-PC (power down of the core). Signed-off-by: Lina Iyer <lina.iyer@linaro.org> --- arch/arm/boot/dts/qcom-msm8974-pm.dtsi | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)