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arm64: dts: renesas: r8a77990: Add CPUIdle support for CA53 cores

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Enable cpuidle (core shutdown) support for the CA53 cores on R-Car E3.

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/20200309171200.21226-1-geert+renesas@glider.be
This commit is contained in:
Takeshi Kihara 2020-03-09 18:12:00 +01:00 committed by Geert Uytterhoeven
parent 5fc00fce62
commit 9aa7dea8d6
1 changed files with 15 additions and 0 deletions
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15
arch/arm64/boot/dts/renesas/r8a77990.dtsi
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@ -88,6 +88,7 @@
power-domains = <&sysc R8A77990_PD_CA53_CPU0>;
next-level-cache = <&L2_CA53>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_0>;
dynamic-power-coefficient = <277>;
clocks =<&cpg CPG_CORE R8A77990_CLK_Z2>;
operating-points-v2 = <&cluster1_opp>;
@ -100,6 +101,7 @@
power-domains = <&sysc R8A77990_PD_CA53_CPU1>;
next-level-cache = <&L2_CA53>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_0>;
clocks =<&cpg CPG_CORE R8A77990_CLK_Z2>;
operating-points-v2 = <&cluster1_opp>;
};
@ -110,6 +112,19 @@
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 = <700>;
exit-latency-us = <700>;
min-residency-us = <5000>;
};
};
};
extal_clk: extal {