From: Takeshi Kihara <takeshi.kihara...@renesas.com> commit 3c3b44c752c4eef9a29694f4262934445c5f5da9 from git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas-bsp.git
This patch enables CPUIdle (Core shutdown) support for R-Car H3. Signed-off-by: Takeshi Kihara <takeshi.kihara...@renesas.com> Signed-off-by: Meng Li <meng...@windriver.com> --- arch/arm64/boot/dts/renesas/r8a7795.dtsi | 32 ++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi index 95deff66eeb6..ab36cb8a680c 100644 --- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi @@ -155,6 +155,7 @@ power-domains = <&sysc R8A7795_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 R8A7795_CLK_Z>; operating-points-v2 = <&cluster0_opp>; @@ -169,6 +170,7 @@ power-domains = <&sysc R8A7795_PD_CA57_CPU1>; next-level-cache = <&L2_CA57>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; clocks = <&cpg CPG_CORE R8A7795_CLK_Z>; operating-points-v2 = <&cluster0_opp>; capacity-dmips-mhz = <1024>; @@ -182,6 +184,7 @@ power-domains = <&sysc R8A7795_PD_CA57_CPU2>; next-level-cache = <&L2_CA57>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; clocks = <&cpg CPG_CORE R8A7795_CLK_Z>; operating-points-v2 = <&cluster0_opp>; capacity-dmips-mhz = <1024>; @@ -195,6 +198,7 @@ power-domains = <&sysc R8A7795_PD_CA57_CPU3>; next-level-cache = <&L2_CA57>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; clocks = <&cpg CPG_CORE R8A7795_CLK_Z>; operating-points-v2 = <&cluster0_opp>; capacity-dmips-mhz = <1024>; @@ -208,6 +212,7 @@ power-domains = <&sysc R8A7795_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 R8A7795_CLK_Z2>; @@ -222,6 +227,7 @@ power-domains = <&sysc R8A7795_PD_CA53_CPU1>; next-level-cache = <&L2_CA53>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_1>; clocks = <&cpg CPG_CORE R8A7795_CLK_Z2>; operating-points-v2 = <&cluster1_opp>; capacity-dmips-mhz = <535>; @@ -234,6 +240,7 @@ power-domains = <&sysc R8A7795_PD_CA53_CPU2>; next-level-cache = <&L2_CA53>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_1>; clocks = <&cpg CPG_CORE R8A7795_CLK_Z2>; operating-points-v2 = <&cluster1_opp>; capacity-dmips-mhz = <535>; @@ -246,6 +253,7 @@ power-domains = <&sysc R8A7795_PD_CA53_CPU3>; next-level-cache = <&L2_CA53>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_1>; clocks = <&cpg CPG_CORE R8A7795_CLK_Z2>; operating-points-v2 = <&cluster1_opp>; capacity-dmips-mhz = <535>; @@ -264,6 +272,30 @@ 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>; + status = "okay"; + }; + + 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>; + status = "okay"; + }; + }; }; extal_clk: extal { -- 2.17.1 -- _______________________________________________ linux-yocto mailing list linux-yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/linux-yocto