From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mo4-p02-ob.smtp.rzone.de ([85.215.255.80]:27234 "EHLO mo4-p02-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727058AbeHQQXK (ORCPT ); Fri, 17 Aug 2018 12:23:10 -0400 From: Ulrich Hecht To: linux-renesas-soc@vger.kernel.org Cc: horms@verge.net.au, geert@linux-m68k.org, khiem.nguyen.xt@rvc.renesas.com, dien.pham.ry@renesas.com, takeshi.kihara.df@renesas.com, Ulrich Hecht Subject: [PATCH 4/5] arm64: dts: r8a7796: Add cpuidle support for CA53 cores Date: Fri, 17 Aug 2018 15:19:27 +0200 Message-Id: <1534511968-19634-5-git-send-email-uli+renesas@fpond.eu> In-Reply-To: <1534511968-19634-1-git-send-email-uli+renesas@fpond.eu> References: <1534511968-19634-1-git-send-email-uli+renesas@fpond.eu> Sender: linux-renesas-soc-owner@vger.kernel.org List-ID: From: Dien Pham Enable cpuidle (core shutdown) support for R-Car M3-W CA53 cores. Signed-off-by: Dien Pham Signed-off-by: Takeshi Kihara Signed-off-by: Ulrich Hecht --- arch/arm64/boot/dts/renesas/r8a7796.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi index 3d30b05..0c0877e 100644 --- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi @@ -160,6 +160,7 @@ 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>; }; @@ -171,6 +172,7 @@ 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>; }; @@ -182,6 +184,7 @@ 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>; }; @@ -193,6 +196,7 @@ 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>; }; @@ -223,6 +227,16 @@ 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"; + }; }; }; -- 2.7.4