From patchwork Thu Aug 12 11:24:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 496184 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51C12C19F3E for ; Thu, 12 Aug 2021 11:24:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2F48760041 for ; Thu, 12 Aug 2021 11:24:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236810AbhHLLY7 (ORCPT ); Thu, 12 Aug 2021 07:24:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236854AbhHLLYx (ORCPT ); Thu, 12 Aug 2021 07:24:53 -0400 Received: from baptiste.telenet-ops.be (baptiste.telenet-ops.be [IPv6:2a02:1800:120:4::f00:13]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AAAB0C0617B1 for ; Thu, 12 Aug 2021 04:24:27 -0700 (PDT) Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed20:438:1ff1:1071:f524]) by baptiste.telenet-ops.be with bizsmtp id gbQR250081gJxCh01bQR4x; Thu, 12 Aug 2021 13:24:25 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1mE8oy-002Fim-PT; Thu, 12 Aug 2021 13:24:24 +0200 Received: from geert by rox.of.borg with local (Exim 4.93) (envelope-from ) id 1mE8oy-00746N-Eg; Thu, 12 Aug 2021 13:24:24 +0200 From: Geert Uytterhoeven To: Magnus Damm , Rob Herring Cc: linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH v2 29/29] [RFC] arm64: dts: renesas: r8a779m5: Add Cortex-A57 2 GHz opp Date: Thu, 12 Aug 2021 13:24:19 +0200 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add a preliminary operating point for running the Cortex-A57 CPU cores on R-Car M3Ne-2G at 2 GHz. The opp-microvolt value depends on a future update of the Electrical Characteristics for R-Car M3Ne-2G. Signed-off-by: Geert Uytterhoeven --- v2: - Change 2 GHz opp from 1020000 µV to 960000 µV, as per informal communication. --- arch/arm64/boot/dts/renesas/r8a779m5.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a779m5.dtsi b/arch/arm64/boot/dts/renesas/r8a779m5.dtsi index f0ef765f6cf87319..5ab9bbdd419be3cd 100644 --- a/arch/arm64/boot/dts/renesas/r8a779m5.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a779m5.dtsi @@ -10,3 +10,12 @@ / { compatible = "renesas,r8a779m5", "renesas,r8a77965"; }; + +&cluster0_opp { + opp-2000000000 { + opp-hz = /bits/ 64 <2000000000>; + opp-microvolt = <960000>; // FIXME TBC + clock-latency-ns = <300000>; + turbo-mode; + }; +};