From patchwork Tue Dec 17 09:12:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Wunderlich X-Patchwork-Id: 13911482 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 27938E7716A for ; Tue, 17 Dec 2024 09:30:10 +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:References:In-Reply-To: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:List-Owner; bh=kIkaePG1Ki3jrWm17Ja1Ts8o0MCVOj6U5V8OCW4VVRA=; b=DFafKJG8nQ58BF03HpJyAaTIJf F8I0osRbAr+Yd1D96ExuOMK7SCodduHGQeHf+zOw3F7YqqA/srucZQl676oCzxfVK/d3ysh2wZeBG am4wt9/Rv2reQfzRy3B6sQbCB6H/ThBqHkkOAz2i8jqpAKPjotkfRYwFvs9sYu+3weZf9m3Kjaz0p RtYbsgkUoBxGgczeNZK+GC2ZC4kSdeh5+fS4pcI/OzyriBZ97EBPIzh1OdmwALmqbQVRgu9OyI952 wlAshSuIYjCCD6HRTUXmusL4ICzQcVPqmoZHQCBvSaDrpNgwM3qXAt4IZ0kHOdHZydG/CD1+9Jacq IpB+J5UQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tNTts-0000000CvW9-118L; Tue, 17 Dec 2024 09:29:56 +0000 Received: from mxout2.routing.net ([2a03:2900:1:a::b]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tNTdR-0000000Cr3C-3Pxd; Tue, 17 Dec 2024 09:12:59 +0000 Received: from mxbox2.masterlogin.de (unknown [192.168.10.89]) by mxout2.routing.net (Postfix) with ESMTP id 8369E60265; Tue, 17 Dec 2024 09:12:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailerdienst.de; s=20200217; t=1734426776; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kIkaePG1Ki3jrWm17Ja1Ts8o0MCVOj6U5V8OCW4VVRA=; b=E3b2Vp9x/63D+nao7pbGnFvW+1Dk7axFPXqEnSX9enASjQg1mClH3zSt/Lwl3YQAsrCBos 4lh4KcR9qGsu4hakrZR2Pt+/RYmttIEaT+ZAhtjpo2y6MfPdqlk19qb4qgWgFbe8czVfQ3 h5PMg1QgdsmMdIA9vqcP/jZR+bNQk/Q= Received: from frank-u24.. (fttx-pool-217.61.150.187.bambit.de [217.61.150.187]) by mxbox2.masterlogin.de (Postfix) with ESMTPSA id 94C6D10030F; Tue, 17 Dec 2024 09:12:55 +0000 (UTC) From: Frank Wunderlich To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno Cc: Frank Wunderlich , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH v3 07/22] arm64: dts: mediatek: mt7988: Add CPU OPP table for clock scaling Date: Tue, 17 Dec 2024 10:12:21 +0100 Message-ID: <20241217091238.16032-8-linux@fw-web.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241217091238.16032-1-linux@fw-web.de> References: <20241217091238.16032-1-linux@fw-web.de> MIME-Version: 1.0 X-Mail-ID: 8150ac17-4322-4ebd-9700-bca82c1fff16 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241217_011257_991107_8C6EE510 X-CRM114-Status: UNSURE ( 8.50 ) 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: Frank Wunderlich Add operating points defining frequency/voltages of cpu cores. Signed-off-by: Frank Wunderlich Reviewed-by: AngeloGioacchino Del Regno --- changes: v3: - change commit-title v2: - drop cpu-labels for now --- arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 38 +++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi index 5e53ea47f159..a7954bf5c81e 100644 --- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi @@ -21,6 +21,10 @@ cpu@0 { reg = <0x0>; device_type = "cpu"; enable-method = "psci"; + clocks = <&mcusys CLK_MCU_ARM_DIV_SEL>, + <&topckgen CLK_TOP_XTAL>; + clock-names = "cpu", "intermediate"; + operating-points-v2 = <&cluster0_opp>; }; cpu@1 { @@ -28,6 +32,10 @@ cpu@1 { reg = <0x1>; device_type = "cpu"; enable-method = "psci"; + clocks = <&mcusys CLK_MCU_ARM_DIV_SEL>, + <&topckgen CLK_TOP_XTAL>; + clock-names = "cpu", "intermediate"; + operating-points-v2 = <&cluster0_opp>; }; cpu@2 { @@ -35,6 +43,10 @@ cpu@2 { reg = <0x2>; device_type = "cpu"; enable-method = "psci"; + clocks = <&mcusys CLK_MCU_ARM_DIV_SEL>, + <&topckgen CLK_TOP_XTAL>; + clock-names = "cpu", "intermediate"; + operating-points-v2 = <&cluster0_opp>; }; cpu@3 { @@ -42,6 +54,32 @@ cpu@3 { reg = <0x3>; device_type = "cpu"; enable-method = "psci"; + clocks = <&mcusys CLK_MCU_ARM_DIV_SEL>, + <&topckgen CLK_TOP_XTAL>; + clock-names = "cpu", "intermediate"; + operating-points-v2 = <&cluster0_opp>; + }; + + cluster0_opp: opp-table-0 { + compatible = "operating-points-v2"; + opp-shared; + + opp-800000000 { + opp-hz = /bits/ 64 <800000000>; + opp-microvolt = <850000>; + }; + opp-1100000000 { + opp-hz = /bits/ 64 <1100000000>; + opp-microvolt = <850000>; + }; + opp-1500000000 { + opp-hz = /bits/ 64 <1500000000>; + opp-microvolt = <850000>; + }; + opp-1800000000 { + opp-hz = /bits/ 64 <1800000000>; + opp-microvolt = <900000>; + }; }; };