evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ARM: dts: msm: Add support for FPC without psci for 8996

Browse source 
Add support for FPC without psci for cpus in DT. This mode helps reduce the
latency associated with entering Fast Power collapse by not incurring the
latency of terminating in the PSCI driver in Secure EL1.

Change-Id: I1209b62d45d10b74bd36756c4ddefa137fb571a5
Signed-off-by: Archana Sathyakumar <asathyak@codeaurora.org>
This commit is contained in:
Archana Sathyakumar 2015-12-04 15:55:20 -07:00 • committed by David Keitel
parent bda3760199
commit 9cb1717550
1 changed files with 35 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

48
arch/arm/boot/dts/qcom/msm8996-pm.dtsi
View file

@ -108,7 +108,7 @@
qcom,ss-power = <180>;
qcom,energy-overhead = <89070>;
qcom,time-overhead = <180>;
qcom,min-child-idx = <1>;
qcom,min-child-idx = <2>;
};
qcom,pm-cluster-level@2{ /* D4 */
@ -119,7 +119,7 @@
qcom,ss-power = <160>;
qcom,energy-overhead = <441000>;
qcom,time-overhead = <1000>;
qcom,min-child-idx = <1>;
qcom,min-child-idx = <2>;
qcom,is-reset;
};
@ -135,18 +135,29 @@
qcom,spm-cpu-mode = "wfi";
qcom,latency-us = <20>;
qcom,ss-power = <200>;
qcom,energy-overhead = <15000>;
qcom,energy-overhead = <9000>;
qcom,time-overhead = <60>;
};
qcom,pm-cpu-level@1 { /* C4 */
reg = <1>;
qcom,spm-cpu-mode = "fpc-def";
qcom,psci-cpu-mode = <4>;
qcom,latency-us = <40>;
qcom,ss-power = <198>;
qcom,energy-overhead = <21850>;
qcom,time-overhead = <120>;
qcom,hyp-psci;
};
qcom,pm-cpu-level@2 { /* C4 */
reg = <2>;
qcom,spm-cpu-mode = "fpc";
qcom,psci-cpu-mode = <4>;
qcom,latency-us = <80>;
qcom,ss-power = <198>;
qcom,energy-overhead = <39740>;
qcom,time-overhead = <180>;
qcom,ss-power = <196>;
qcom,energy-overhead = <45300>;
qcom,time-overhead = <210>;
};
};
};
@ -180,7 +191,7 @@
qcom,ss-power = <180>;
qcom,energy-overhead = <83500>;
qcom,time-overhead = <180>;
qcom,min-child-idx = <1>;
qcom,min-child-idx = <2>;
};
qcom,pm-cluster-level@2{ /* D4 */
@ -191,7 +202,7 @@
qcom,ss-power = <160>;
qcom,energy-overhead = <441000>;
qcom,time-overhead = <1000>;
qcom,min-child-idx = <1>;
qcom,min-child-idx = <2>;
qcom,is-reset;
};
@ -207,18 +218,29 @@
qcom,spm-cpu-mode = "wfi";
qcom,latency-us = <25>;
qcom,ss-power = <200>;
qcom,energy-overhead = <15000>;
qcom,energy-overhead = <9000>;
qcom,time-overhead = <60>;
};
qcom,pm-cpu-level@1 { /* C4 */
qcom,pm-cpu-level@1 { /* C4 */
reg = <1>;
qcom,spm-cpu-mode = "fpc-def";
qcom,psci-cpu-mode = <4>;
qcom,latency-us = <40>;
qcom,ss-power = <198>;
qcom,energy-overhead = <21850>;
qcom,time-overhead = <120>;
qcom,hyp-psci;
};
qcom,pm-cpu-level@2 { /* C4 */
reg = <2>;
qcom,spm-cpu-mode = "fpc";
qcom,psci-cpu-mode = <4>;
qcom,latency-us = <80>;
qcom,ss-power = <198>;
qcom,energy-overhead = <39740>;
qcom,time-overhead = <180>;
qcom,ss-power = <196>;
qcom,energy-overhead = <45300>;
qcom,time-overhead = <210>;
};
};
};