From nobody Fri Sep 20 11:36:13 2024 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 95471C072A2 for ; Fri, 17 Nov 2023 09:43:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345870AbjKQJn7 (ORCPT ); Fri, 17 Nov 2023 04:43:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33380 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345837AbjKQJnY (ORCPT ); Fri, 17 Nov 2023 04:43:24 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 36D6219BC; Fri, 17 Nov 2023 01:42:55 -0800 (PST) Received: from IcarusMOD.eternityproject.eu (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 33F5D6607392; Fri, 17 Nov 2023 09:42:53 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1700214174; bh=7Is9gmN9hkuGxy+sJrNkxtzwuNgilsJCxJ9IKhqUks4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fcQ2l12OOf+sSuweU0JVaVnEWnPLm+uH/E2qVUjl7/DiyXoeA+YcKDp5usqul8eUC GJK6sboQurR9wWtQXpewNG10YBRYZ5RHVSBH2KylkXsnjfw7ZahhL99bu2uw4wlDQM vE12gt8FPXuwdMEoUoTV+WtnW1Lmfnf+PNsfoNzzaWqMiwpXQGHXqS067v7spKzRUM CrgAr4t/ZNvJu8ok4pT51iMeTfKN9UmKFY6S2vhGbgDPYvcv/mdEHw0pBex2qB30Oy s2SpVmHl/YoCCBgPwkFnSB+0FHj3df6TnNUFp4dzvHpr3oFbVchcoi0RlGAjdqjXSE BiKEaB7O567Yw== From: AngeloGioacchino Del Regno To: matthias.bgg@gmail.com Cc: krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, robh+dt@kernel.org, angelogioacchino.delregno@collabora.com, p.zabel@pengutronix.de, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, kernel@collabora.com, wenst@chromium.org Subject: [PATCH v1 19/20] arm64: dts: mediatek: mt8192: Add Smart Voltage Scaling node Date: Fri, 17 Nov 2023 10:42:27 +0100 Message-ID: <20231117094228.40013-20-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231117094228.40013-1-angelogioacchino.delregno@collabora.com> References: <20231117094228.40013-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add the MediaTek SVS node: this will lower the voltage of various components of the SoC based on chip quality (read from fuses) in order to save power and generate less heat. Signed-off-by: AngeloGioacchino Del Regno --- arch/arm64/boot/dts/mediatek/mt8192.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts= /mediatek/mt8192.dtsi index 238f6eb25832..6dd32dbfb832 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi @@ -809,6 +809,18 @@ lvts_ap: thermal-sensor@1100b000 { #thermal-sensor-cells =3D <1>; }; =20 + svs: svs@1100bc00 { + compatible =3D "mediatek,mt8192-svs"; + reg =3D <0 0x1100bc00 0 0x400>; + interrupts =3D ; + clocks =3D <&infracfg CLK_INFRA_THERM>; + clock-names =3D "main"; + nvmem-cells =3D <&svs_calibration>, <&lvts_e_data1>; + nvmem-cell-names =3D "svs-calibration-data", "t-calibration-data"; + resets =3D <&infracfg MT8192_INFRA_RST3_THERM_CTRL_PTP_SWRST>; + reset-names =3D "svs_rst"; + }; + pwm0: pwm@1100e000 { compatible =3D "mediatek,mt8183-disp-pwm"; reg =3D <0 0x1100e000 0 0x1000>; --=20 2.42.0