[4.19.y-cip,05/12] arm64: dts: renesas: r8a774c0: Add dynamic power coefficient
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Message ID 1579187482-4626-6-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com
State New
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Series
  • Renesas RZ/G2E backport IPA support along with minor fixes
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Commit Message

Lad Prabhakar Jan. 16, 2020, 3:11 p.m. UTC
From: Biju Das <biju.das@bp.renesas.com>

commit 652fd0f44e98a7fa87be9e97115749e103ccf703 upstream.

Describe the dynamic power coefficient of A53 CPUs.

Based on work by Gaku Inami <gaku.inami.xw@bp.renesas.com> and others.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lore.kernel.org/r/1568364608-46548-2-git-send-email-biju.das@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 arch/arm64/boot/dts/renesas/r8a774c0.dtsi | 1 +
 1 file changed, 1 insertion(+)

Patch
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diff --git a/arch/arm64/boot/dts/renesas/r8a774c0.dtsi b/arch/arm64/boot/dts/renesas/r8a774c0.dtsi
index 0c57e15..1e8b8af 100644
--- a/arch/arm64/boot/dts/renesas/r8a774c0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a774c0.dtsi
@@ -77,6 +77,7 @@ 
 			power-domains = <&sysc R8A774C0_PD_CA53_CPU0>;
 			next-level-cache = <&L2_CA53>;
 			enable-method = "psci";
+			dynamic-power-coefficient = <277>;
 			clocks = <&cpg CPG_CORE R8A774C0_CLK_Z2>;
 			operating-points-v2 = <&cluster1_opp>;
 		};