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arm64: dts: renesas: r8a77965: Add CPUIdle support for CA57 cores

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Enable cpuidle (core shutdown) support for the CA57 cores on R-Car M3-N.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200309171112.21086-1-geert+renesas@glider.be
This commit is contained in:
Takeshi Kihara 2020-03-09 18:11:12 +01:00 committed by Geert Uytterhoeven
parent 04456450f5
commit 5fc00fce62
1 changed files with 15 additions and 0 deletions
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15
arch/arm64/boot/dts/renesas/r8a77965.dtsi
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@ -111,6 +111,7 @@
power-domains = <&sysc R8A77965_PD_CA57_CPU0>;
next-level-cache = <&L2_CA57>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_0>;
#cooling-cells = <2>;
dynamic-power-coefficient = <854>;
clocks = <&cpg CPG_CORE R8A77965_CLK_Z>;
@ -124,6 +125,7 @@
power-domains = <&sysc R8A77965_PD_CA57_CPU1>;
next-level-cache = <&L2_CA57>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_0>;
clocks = <&cpg CPG_CORE R8A77965_CLK_Z>;
operating-points-v2 = <&cluster0_opp>;
};
@ -134,6 +136,19 @@
cache-unified;
cache-level = <2>;
};
idle-states {
entry-method = "psci";
CPU_SLEEP_0: cpu-sleep-0 {
compatible = "arm,idle-state";
arm,psci-suspend-param = <0x0010000>;
local-timer-stop;
entry-latency-us = <400>;
exit-latency-us = <500>;
min-residency-us = <4000>;
};
};
};
extal_clk: extal {