TWxSoftware/twx-linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

arm64: dts: r8a7796: Add cpuidle support for CA53 cores

Browse Source 
Enable cpuidle (core shutdown) support for R-Car M3-W CA53 cores.

Signed-off-by: Dien Pham <dien.pham.ry@renesas.com>
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
Link: https://lore.kernel.org/r/1547808474-19427-5-git-send-email-uli+renesas@fpond.eu
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Dien Pham
2019-01-18 11:47:53 +01:00
committed by Geert Uytterhoeven
parent 824a88b567
commit 3cbcfececc
1 changed files with 13 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/arm64/boot/dts/renesas/r8a7796.dtsi
+13
View File
@@ -189,6 +189,7 @@
power-domains = <&sysc R8A7796_PD_CA53_CPU0>;
next-level-cache = <&L2_CA53>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_1>;
#cooling-cells = <2>;
dynamic-power-coefficient = <277>;
clocks = <&cpg CPG_CORE R8A7796_CLK_Z2>;
@@ -203,6 +204,7 @@
power-domains = <&sysc R8A7796_PD_CA53_CPU1>;
next-level-cache = <&L2_CA53>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_1>;
clocks = <&cpg CPG_CORE R8A7796_CLK_Z2>;
operating-points-v2 = <&cluster1_opp>;
capacity-dmips-mhz = <535>;
@@ -215,6 +217,7 @@
power-domains = <&sysc R8A7796_PD_CA53_CPU2>;
next-level-cache = <&L2_CA53>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_1>;
clocks = <&cpg CPG_CORE R8A7796_CLK_Z2>;
operating-points-v2 = <&cluster1_opp>;
capacity-dmips-mhz = <535>;
@@ -227,6 +230,7 @@
power-domains = <&sysc R8A7796_PD_CA53_CPU3>;
next-level-cache = <&L2_CA53>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_1>;
clocks = <&cpg CPG_CORE R8A7796_CLK_Z2>;
operating-points-v2 = <&cluster1_opp>;
capacity-dmips-mhz = <535>;
@@ -257,6 +261,15 @@
exit-latency-us = <500>;
min-residency-us = <4000>;
};
CPU_SLEEP_1: cpu-sleep-1 {
compatible = "arm,idle-state";
arm,psci-suspend-param = <0x0010000>;
local-timer-stop;
entry-latency-us = <700>;
exit-latency-us = <700>;
min-residency-us = <5000>;
};
};
};