From patchwork Mon Mar 9 17:11:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 11427607 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 C1F04138D for ; Mon, 9 Mar 2020 17:11:27 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A0555208C3 for ; Mon, 9 Mar 2020 17:11:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="lTODOUH3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A0555208C3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=glider.be Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=Rce4IUgV4gAD1ZgQo88w8PT8Hwvb5i6Ox0vFHBWyU9U=; b=lTO DOUH3poV/wmbiIV95k4Vcygn4UmiKVKVjx1OOERQezQP8g4+Iq/vnC8oHDm0NVTvdTyvY89PeDMuU Vpta3xCmvXcmuD07tFb/jhuUsFR2Hkd0kpraj7Z9luaOZTjmClzc25ZnbHDfIFYAGDktEbonGZUTI fQ+/BO33AQzo1BOl0VtKr0CDVdhdI6R2cx4SAAGFOe40HVcUNTobFKaic4XPU1pqO7kP08h+Tezov yu1RHZJPw1kA1PHPF7Vz9P48jfIl1hrYRUp34jsDVNr265jYseUiEMHtiYVb6DgrCLRdSXJMv0CI4 oC1zFrqLeAKdhVddxj5RjS4bIhJAL2w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jBLw5-000162-1x; Mon, 09 Mar 2020 17:11:25 +0000 Received: from xavier.telenet-ops.be ([2a02:1800:120:4::f00:14]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jBLw1-00015W-So for linux-arm-kernel@lists.infradead.org; Mon, 09 Mar 2020 17:11:23 +0000 Received: from ramsan ([84.195.182.253]) by xavier.telenet-ops.be with bizsmtp id CHBD2200E5USYZQ01HBDqH; Mon, 09 Mar 2020 18:11:14 +0100 Received: from rox.of.borg ([192.168.97.57]) by ramsan with esmtp (Exim 4.90_1) (envelope-from ) id 1jBLvt-0007Kw-Hk; Mon, 09 Mar 2020 18:11:13 +0100 Received: from geert by rox.of.borg with local (Exim 4.90_1) (envelope-from ) id 1jBLvt-0005Ut-G0; Mon, 09 Mar 2020 18:11:13 +0100 From: Geert Uytterhoeven To: Magnus Damm Subject: [PATCH] arm64: dts: renesas: r8a77965: Add CPUIdle support for CA57 cores Date: Mon, 9 Mar 2020 18:11:12 +0100 Message-Id: <20200309171112.21086-1-geert+renesas@glider.be> X-Mailer: git-send-email 2.17.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200309_101122_501600_CB3883F9 X-CRM114-Status: UNSURE ( 7.53 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.4 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.4 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [2a02:1800:120:4:0:0:f00:14 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 SPF_NONE SPF: sender does not publish an SPF Record 0.2 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-renesas-soc@vger.kernel.org, Takeshi Kihara , Ulrich Hecht , Geert Uytterhoeven , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Takeshi Kihara Enable cpuidle (core shutdown) support for the CA57 cores on R-Car M3-N. Signed-off-by: Takeshi Kihara Signed-off-by: Geert Uytterhoeven --- To be queued in renesas-devel for v5.7. arch/arm64/boot/dts/renesas/r8a77965.dtsi | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi index f7468822e81e41d6..d82dd4e67b62b85c 100644 --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi @@ -111,6 +111,7 @@ power-domains = <&sysc R8A77965_PD_CA57_CPU0>; next-level-cache = <&L2_CA57>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; #cooling-cells = <2>; dynamic-power-coefficient = <854>; clocks = <&cpg CPG_CORE R8A77965_CLK_Z>; @@ -124,6 +125,7 @@ power-domains = <&sysc R8A77965_PD_CA57_CPU1>; next-level-cache = <&L2_CA57>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; clocks = <&cpg CPG_CORE R8A77965_CLK_Z>; operating-points-v2 = <&cluster0_opp>; }; @@ -134,6 +136,19 @@ 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>; + }; + }; }; extal_clk: extal {