From patchwork Thu Apr 3 09:18:40 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniele Briguglio X-Patchwork-Id: 14037212 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 10FE7C3601B for ; Thu, 3 Apr 2025 10:24:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=gE5XW7LYRJERQKlLeNBH8x1//oKVJHYsrqcpiH4BRGE=; b=W52umR7+YYHsTIE7Rpeo4Tsfvj 9cS7zDLDdSHll08W3cRanMcABsb17eIko0YS/jwjr3pcJrRXKvO2/QOiUR3BqA8Jq7ExjjvBnlDgh cgy/ao4MkMqBe5iGcR5Zgu5CYSNwLserW07QIDj1y7LsV06UQKFiQm66zJz4IQVtrYWeaAMVzJGcX SquUkarXtiqlYgPKc3rqHSzocXkFii4t9KVWc0QIK0D4mRlwZERs+FlPr7fCtABx7V2OCmD9/BThJ Go7DI+vXB82WByVPWoH6hWuUGywGpSZVIYbifn4isu8UIL4um125oeGXwpNNUKPT8fkLh6QU6XCzT eGfjTP5Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.1 #2 (Red Hat Linux)) id 1u0Hjn-00000008Yuz-2Boq; Thu, 03 Apr 2025 10:23:55 +0000 Received: from fr2000.dnsiaas.com ([151.106.4.82]) by bombadil.infradead.org with esmtps (Exim 4.98.1 #2 (Red Hat Linux)) id 1u0Gjg-00000008NQk-3SOC; Thu, 03 Apr 2025 09:19:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=superkali.me; s=default; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=gE5XW7LYRJERQKlLeNBH8x1//oKVJHYsrqcpiH4BRGE=; b=Dtg7kAm6uAfrEMN+ZklmNzn6GR z1oyvqP2sYOxP+ptGnu1pVFP2Dblhwj5ZvD/77CQEx0Q8jpCs76Z8Editv/q9oWO5M2nB05J3dRTP hxJbuRBioNxWSnzDgGrk2DhvIQPtyGd4fisZ8KwWJ2lKRU45ctCaH1sapLFt1Bo9vNxksErIhwMn/ +63Y8MKzON7oaWXdRZQcQ6gQ/1xry7jdsyrEyWAS7Oog2KaNnf7D038ckcxJqAG+fRBr1w7UjIhni yLdy01i6SIdk72RmigpEpKuVishPhWDhzWha6o/YvY3wvTtc21NndmfhB+Uu1/foJlI1fWsSlVc8R 3Gyo4GwQ==; Received: from [185.94.132.237] (port=37142 helo=vscode.superkali.lan) by fr2000.dnsiaas.com with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.98.1) (envelope-from ) id 1u0Gip-0000000HaiW-3uRN; Thu, 03 Apr 2025 11:18:51 +0200 From: Daniele Briguglio To: devicetree@vger.kernel.org Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de, alchark@gmail.com, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Daniele Briguglio , Daniele Briguglio Subject: [PATCH] rockchip: dts: rk3588: add missing OPP nodes for lower frequencies Date: Thu, 3 Apr 2025 09:18:40 +0000 Message-Id: <20250403091840.3349637-1-hello@superkali.me> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - fr2000.dnsiaas.com X-AntiAbuse: Original Domain - lists.infradead.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - superkali.me X-Get-Message-Sender-Via: fr2000.dnsiaas.com: authenticated_id: hello@superkali.me X-Authenticated-Sender: fr2000.dnsiaas.com: hello@superkali.me X-Source: X-Source-Args: X-Source-Dir: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250403_021945_031762_A8D3D61D X-CRM114-Status: UNSURE ( 4.33 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Daniele Briguglio This Patch adds missing Operating Performance Point (OPP) nodes for lower frequencies to the RK3588 device tree. These additions improve power management by enabling the CPU clusters to scale down to lower frequencies when under light loads, which should improve energy efficiency and reduce power consumption. The changes add OPP nodes for 408MHz, 600MHz, 816MHz, and 1008MHz (for cluster1 and cluster2 only, as cluster0 already had 1008MHz) with appropriate voltage settings across all three CPU clusters in the RK3588 SoC. Signed-off-by: Daniele Briguglio --- arch/arm64/boot/dts/rockchip/rk3588-opp.dtsi | 58 ++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3588-opp.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-opp.dtsi index 0f1a77697351..1b018823d5d3 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-opp.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3588-opp.dtsi @@ -5,6 +5,22 @@ cluster0_opp_table: opp-table-cluster0 { compatible = "operating-points-v2"; opp-shared; + opp-408000000 { + opp-hz = /bits/ 64 <408000000>; + opp-microvolt = <675000 675000 950000>; + clock-latency-ns = <40000>; + opp-suspend; + }; + opp-600000000 { + opp-hz = /bits/ 64 <600000000>; + opp-microvolt = <675000 675000 950000>; + clock-latency-ns = <40000>; + }; + opp-816000000 { + opp-hz = /bits/ 64 <816000000>; + opp-microvolt = <675000 675000 950000>; + clock-latency-ns = <40000>; + }; opp-1008000000 { opp-hz = /bits/ 64 <1008000000>; opp-microvolt = <675000 675000 950000>; @@ -37,6 +53,27 @@ cluster1_opp_table: opp-table-cluster1 { compatible = "operating-points-v2"; opp-shared; + opp-408000000 { + opp-hz = /bits/ 64 <408000000>; + opp-microvolt = <675000 675000 1000000>; + clock-latency-ns = <40000>; + opp-suspend; + }; + opp-600000000 { + opp-hz = /bits/ 64 <600000000>; + opp-microvolt = <675000 675000 1000000>; + clock-latency-ns = <40000>; + }; + opp-816000000 { + opp-hz = /bits/ 64 <816000000>; + opp-microvolt = <675000 675000 1000000>; + clock-latency-ns = <40000>; + }; + opp-1008000000 { + opp-hz = /bits/ 64 <1008000000>; + opp-microvolt = <675000 675000 1000000>; + clock-latency-ns = <40000>; + }; opp-1200000000 { opp-hz = /bits/ 64 <1200000000>; opp-microvolt = <675000 675000 1000000>; @@ -78,6 +115,27 @@ cluster2_opp_table: opp-table-cluster2 { compatible = "operating-points-v2"; opp-shared; + opp-408000000 { + opp-hz = /bits/ 64 <408000000>; + opp-microvolt = <675000 675000 1000000>; + clock-latency-ns = <40000>; + opp-suspend; + }; + opp-600000000 { + opp-hz = /bits/ 64 <600000000>; + opp-microvolt = <675000 675000 1000000>; + clock-latency-ns = <40000>; + }; + opp-816000000 { + opp-hz = /bits/ 64 <816000000>; + opp-microvolt = <675000 675000 1000000>; + clock-latency-ns = <40000>; + }; + opp-1008000000 { + opp-hz = /bits/ 64 <1008000000>; + opp-microvolt = <675000 675000 1000000>; + clock-latency-ns = <40000>; + }; opp-1200000000 { opp-hz = /bits/ 64 <1200000000>; opp-microvolt = <675000 675000 1000000>;