diff mbox series

[v2,4/5] arm64: dts: r8a7796: Add cpuidle support for CA53 cores

Message ID 1547808474-19427-5-git-send-email-uli+renesas@fpond.eu (mailing list archive)
State Accepted
Delegated to: Geert Uytterhoeven
Headers show
Series H3/M3-W cpuidle support | expand

Commit Message

Ulrich Hecht Jan. 18, 2019, 10:47 a.m. UTC 
From: Dien Pham <dien.pham.ry@renesas.com>

Enable cpuidle (core shutdown) support for R-Car M3-W CA53 cores.

Signed-off-by: Dien Pham <dien.pham.ry@renesas.com>
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
---
 arch/arm64/boot/dts/renesas/r8a7796.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Comments

Geert Uytterhoeven Aug. 28, 2019, 11:48 a.m. UTC | #1 
On Fri, Jan 18, 2019 at 11:48 AM Ulrich Hecht <uli+renesas@fpond.eu> wrote:
> From: Dien Pham <dien.pham.ry@renesas.com>
>
> Enable cpuidle (core shutdown) support for R-Car M3-W CA53 cores.
>
> Signed-off-by: Dien Pham <dien.pham.ry@renesas.com>
> Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
> Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
index 212ffd6..81af1ee 100644
--- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
@@ -188,6 +188,7 @@ 
 			power-domains = <&sysc R8A7796_PD_CA53_CPU0>;
 			next-level-cache = <&L2_CA53>;
 			enable-method = "psci";
+			cpu-idle-states = <&CPU_SLEEP_1>;
 			clocks = <&cpg CPG_CORE R8A7796_CLK_Z2>;
 			operating-points-v2 = <&cluster1_opp>;
 			capacity-dmips-mhz = <535>;
@@ -200,6 +201,7 @@ 
 			power-domains = <&sysc R8A7796_PD_CA53_CPU1>;
 			next-level-cache = <&L2_CA53>;
 			enable-method = "psci";
+			cpu-idle-states = <&CPU_SLEEP_1>;
 			clocks = <&cpg CPG_CORE R8A7796_CLK_Z2>;
 			operating-points-v2 = <&cluster1_opp>;
 			capacity-dmips-mhz = <535>;
@@ -212,6 +214,7 @@ 
 			power-domains = <&sysc R8A7796_PD_CA53_CPU2>;
 			next-level-cache = <&L2_CA53>;
 			enable-method = "psci";
+			cpu-idle-states = <&CPU_SLEEP_1>;
 			clocks = <&cpg CPG_CORE R8A7796_CLK_Z2>;
 			operating-points-v2 = <&cluster1_opp>;
 			capacity-dmips-mhz = <535>;
@@ -224,6 +227,7 @@ 
 			power-domains = <&sysc R8A7796_PD_CA53_CPU3>;
 			next-level-cache = <&L2_CA53>;
 			enable-method = "psci";
+			cpu-idle-states = <&CPU_SLEEP_1>;
 			clocks = <&cpg CPG_CORE R8A7796_CLK_Z2>;
 			operating-points-v2 = <&cluster1_opp>;
 			capacity-dmips-mhz = <535>;
@@ -254,6 +258,15 @@ 
 				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>;
+			};
 		};
 	};