From patchwork Thu Aug 27 14:53:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lad Prabhakar X-Patchwork-Id: 11740833 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 82905722 for ; Thu, 27 Aug 2020 14:53:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 742C722BF5 for ; Thu, 27 Aug 2020 14:53:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727980AbgH0Oxf (ORCPT ); Thu, 27 Aug 2020 10:53:35 -0400 Received: from relmlor2.renesas.com ([210.160.252.172]:3877 "EHLO relmlie6.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728013AbgH0OxX (ORCPT ); Thu, 27 Aug 2020 10:53:23 -0400 X-IronPort-AV: E=Sophos;i="5.76,359,1592838000"; d="scan'208";a="55482017" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 27 Aug 2020 23:53:22 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 9829A40065C9; Thu, 27 Aug 2020 23:53:20 +0900 (JST) From: Lad Prabhakar To: Geert Uytterhoeven , Magnus Damm , Rob Herring Cc: linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Lad Prabhakar , Prabhakar Subject: [PATCH 2/2] arm64: dts: renesas: r8a774e1: Add cpuidle support for CA5x cores Date: Thu, 27 Aug 2020 15:53:15 +0100 Message-Id: <20200827145315.26261-3-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200827145315.26261-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20200827145315.26261-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Enable cpuidle (core shutdown) support for RZ/G2H CA5x cores. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- arch/arm64/boot/dts/renesas/r8a774e1.dtsi | 30 +++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a774e1.dtsi b/arch/arm64/boot/dts/renesas/r8a774e1.dtsi index 34fdb9a0c325..e5445ba99e84 100644 --- a/arch/arm64/boot/dts/renesas/r8a774e1.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a774e1.dtsi @@ -127,6 +127,7 @@ power-domains = <&sysc R8A774E1_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 R8A774E1_CLK_Z>; operating-points-v2 = <&cluster0_opp>; @@ -141,6 +142,7 @@ power-domains = <&sysc R8A774E1_PD_CA57_CPU1>; next-level-cache = <&L2_CA57>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; clocks = <&cpg CPG_CORE R8A774E1_CLK_Z>; operating-points-v2 = <&cluster0_opp>; capacity-dmips-mhz = <1024>; @@ -154,6 +156,7 @@ power-domains = <&sysc R8A774E1_PD_CA57_CPU2>; next-level-cache = <&L2_CA57>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; clocks = <&cpg CPG_CORE R8A774E1_CLK_Z>; operating-points-v2 = <&cluster0_opp>; capacity-dmips-mhz = <1024>; @@ -167,6 +170,7 @@ power-domains = <&sysc R8A774E1_PD_CA57_CPU3>; next-level-cache = <&L2_CA57>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_1>; clocks = <&cpg CPG_CORE R8A774E1_CLK_Z>; operating-points-v2 = <&cluster0_opp>; capacity-dmips-mhz = <1024>; @@ -180,6 +184,7 @@ power-domains = <&sysc R8A774E1_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 R8A774E1_CLK_Z2>; @@ -194,6 +199,7 @@ power-domains = <&sysc R8A774E1_PD_CA53_CPU1>; next-level-cache = <&L2_CA53>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_1>; clocks = <&cpg CPG_CORE R8A774E1_CLK_Z2>; operating-points-v2 = <&cluster1_opp>; capacity-dmips-mhz = <535>; @@ -206,6 +212,7 @@ power-domains = <&sysc R8A774E1_PD_CA53_CPU2>; next-level-cache = <&L2_CA53>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_1>; clocks = <&cpg CPG_CORE R8A774E1_CLK_Z2>; operating-points-v2 = <&cluster1_opp>; capacity-dmips-mhz = <535>; @@ -218,6 +225,7 @@ power-domains = <&sysc R8A774E1_PD_CA53_CPU3>; next-level-cache = <&L2_CA53>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_1>; clocks = <&cpg CPG_CORE R8A774E1_CLK_Z2>; operating-points-v2 = <&cluster1_opp>; capacity-dmips-mhz = <535>; @@ -236,6 +244,28 @@ 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>; + }; + + 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>; + }; + }; }; extal_clk: extal {