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| author | Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> | 2020-08-27 17:53:15 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2020-09-04 10:54:39 +0300 |
| commit | 912d3c5383f7a68b1293aaaa378b9c3373e48a91 (patch) | |
| tree | 689b345d6d74463fa3e92093febb0c66d429b5cb /arch/arm64/boot/dts/renesas/r8a774e1.dtsi | |
| parent | ff9e786f0ee0cc33aedabaa56678cb45d3c1ca0b (diff) | |
| download | linux-912d3c5383f7a68b1293aaaa378b9c3373e48a91.tar.xz | |
arm64: dts: renesas: r8a774e1: Add cpuidle support for CA5x cores
Enable cpuidle (core shutdown) support for RZ/G2H CA5x cores.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20200827145315.26261-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch/arm64/boot/dts/renesas/r8a774e1.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r8a774e1.dtsi | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a774e1.dtsi b/arch/arm64/boot/dts/renesas/r8a774e1.dtsi index 34fdb9a0c325..ae1ffa204237 100644 --- a/arch/arm64/boot/dts/renesas/r8a774e1.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a774e1.dtsi @@ -127,6 +127,7 @@ power-domains = <&sysc R8A774E1_PD_CA57_CPU0>; next-level-cache = <&L2_CA57>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; dynamic-power-coefficient = <854>; clocks = <&cpg CPG_CORE R8A774E1_CLK_Z>; operating-points-v2 = <&cluster0_opp>; @@ -141,6 +142,7 @@ power-domains = <&sysc R8A774E1_PD_CA57_CPU1>; next-level-cache = <&L2_CA57>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; clocks = <&cpg CPG_CORE R8A774E1_CLK_Z>; operating-points-v2 = <&cluster0_opp>; capacity-dmips-mhz = <1024>; @@ -154,6 +156,7 @@ power-domains = <&sysc R8A774E1_PD_CA57_CPU2>; next-level-cache = <&L2_CA57>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; clocks = <&cpg CPG_CORE R8A774E1_CLK_Z>; operating-points-v2 = <&cluster0_opp>; capacity-dmips-mhz = <1024>; @@ -167,6 +170,7 @@ power-domains = <&sysc R8A774E1_PD_CA57_CPU3>; next-level-cache = <&L2_CA57>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; clocks = <&cpg CPG_CORE R8A774E1_CLK_Z>; operating-points-v2 = <&cluster0_opp>; capacity-dmips-mhz = <1024>; @@ -180,6 +184,7 @@ power-domains = <&sysc R8A774E1_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 R8A774E1_CLK_Z2>; @@ -194,6 +199,7 @@ power-domains = <&sysc R8A774E1_PD_CA53_CPU1>; next-level-cache = <&L2_CA53>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_1>; clocks = <&cpg CPG_CORE R8A774E1_CLK_Z2>; operating-points-v2 = <&cluster1_opp>; capacity-dmips-mhz = <535>; @@ -206,6 +212,7 @@ power-domains = <&sysc R8A774E1_PD_CA53_CPU2>; next-level-cache = <&L2_CA53>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_1>; clocks = <&cpg CPG_CORE R8A774E1_CLK_Z2>; operating-points-v2 = <&cluster1_opp>; capacity-dmips-mhz = <535>; @@ -218,6 +225,7 @@ power-domains = <&sysc R8A774E1_PD_CA53_CPU3>; next-level-cache = <&L2_CA53>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_1>; clocks = <&cpg CPG_CORE R8A774E1_CLK_Z2>; operating-points-v2 = <&cluster1_opp>; capacity-dmips-mhz = <535>; @@ -236,6 +244,28 @@ 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>; + }; + + 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>; + }; + }; }; extal_clk: extal { |