This should already be on the branches:
Author: Takeshi Kihara <takeshi.kihara...@renesas.com>
Date: Tue Oct 15 13:46:44 2019 +0800
arm64: dts: r8a7795: Add CPUIdle support for all CPU core
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>
Signed-off-by: Bruce Ashfield <bruce.ashfi...@gmail.com>
:100644 100644 097538cc4b1f 7596216409cd M
arch/arm64/boot/dts/renesas/r8a7795.dtsi
On Tue, Oct 22, 2019 at 10:47 PM <meng...@windriver.com> wrote:
>
> 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 e8c3d5f..7fe7428 100644
> --- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
> @@ -123,6 +123,7 @@
> power-domains = <&sysc R8A7795_PD_CA57_CPU0>;
> 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>;
> @@ -135,6 +136,7 @@
> 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>;
> @@ -147,6 +149,7 @@
> 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>;
> @@ -159,6 +162,7 @@
> 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>;
> @@ -171,6 +175,7 @@
> power-domains = <&sysc R8A7795_PD_CA53_CPU0>;
> 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>;
> @@ -182,6 +187,7 @@
> 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>;
> @@ -193,6 +199,7 @@
> 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>;
> @@ -204,6 +211,7 @@
> 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>;
> @@ -221,6 +229,30 @@
> 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 {
> --
> 2.7.4
>
--
- Thou shalt not follow the NULL pointer, for chaos and madness await
thee at its end
- "Use the force Harry" - Gandalf, Star Trek II
--
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