github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 01:53:29 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

arm64: dts: mediatek: Add CPU Idle support

Browse Source 
MT8365 has 3 CPU Idle states:
- MCDI_CPU. (Multi-Core-Deep-Idle)
- MCDI_CLUSTER.
- DPIDLE. (Deep-Idle)

Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
Link: https://lore.kernel.org/r/20230203-evk-board-support-v8-10-7019f3fd0adf@baylibre.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Amjad Ouled-Ameur 2023-05-25 10:33:19 +02:00 committed by Matthias Brugger
parent a5fe2dbab9
commit e8c6b47f49
1 changed files with 35 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
arch/arm64/boot/dts/mediatek/mt8365.dtsi
View File

@ -128,6 +128,7 @@ cpu0: cpu@0 {
reg = <0x0>;
#cooling-cells = <2>;
enable-method = "psci";
cpu-idle-states = <&CPU_MCDI &CLUSTER_MCDI &CLUSTER_DPIDLE>;
i-cache-size = <0x8000>;
i-cache-line-size = <64>;
i-cache-sets = <256>;
@ -147,6 +148,7 @@ cpu1: cpu@1 {
reg = <0x1>;
#cooling-cells = <2>;
enable-method = "psci";
cpu-idle-states = <&CPU_MCDI &CLUSTER_MCDI &CLUSTER_DPIDLE>;
i-cache-size = <0x8000>;
i-cache-line-size = <64>;
i-cache-sets = <256>;
@ -166,6 +168,7 @@ cpu2: cpu@2 {
reg = <0x2>;
#cooling-cells = <2>;
enable-method = "psci";
cpu-idle-states = <&CPU_MCDI &CLUSTER_MCDI &CLUSTER_DPIDLE>;
i-cache-size = <0x8000>;
i-cache-line-size = <64>;
i-cache-sets = <256>;
@ -185,6 +188,7 @@ cpu3: cpu@3 {
reg = <0x3>;
#cooling-cells = <2>;
enable-method = "psci";
cpu-idle-states = <&CPU_MCDI &CLUSTER_MCDI &CLUSTER_DPIDLE>;
i-cache-size = <0x8000>;
i-cache-line-size = <64>;
i-cache-sets = <256>;
@ -198,6 +202,37 @@ cpu3: cpu@3 {
operating-points-v2 = <&cluster0_opp>;
};
idle-states {
entry-method = "psci";
CPU_MCDI: cpu-mcdi {
compatible = "arm,idle-state";
local-timer-stop;
arm,psci-suspend-param = <0x00010001>;
entry-latency-us = <300>;
exit-latency-us = <200>;
min-residency-us = <1000>;
};
CLUSTER_MCDI: cluster-mcdi {
compatible = "arm,idle-state";
local-timer-stop;
arm,psci-suspend-param = <0x01010001>;
entry-latency-us = <350>;
exit-latency-us = <250>;
min-residency-us = <1200>;
};
CLUSTER_DPIDLE: cluster-dpidle {
compatible = "arm,idle-state";
local-timer-stop;
arm,psci-suspend-param = <0x01010004>;
entry-latency-us = <300>;
exit-latency-us = <800>;
min-residency-us = <3300>;
};
};
l2: l2-cache {
compatible = "cache";
cache-level = <2>;