From nobody Thu Nov 14 09:22:26 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 C85B6CCA47B for ; Thu, 30 Jun 2022 15:33:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235996AbiF3Pdv (ORCPT ); Thu, 30 Jun 2022 11:33:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42746 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235985AbiF3Pdb (ORCPT ); Thu, 30 Jun 2022 11:33:31 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14CA6220D7; Thu, 30 Jun 2022 08:33:29 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (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 2413C660196D; Thu, 30 Jun 2022 16:33:27 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1656603207; bh=jogVEZhtKyX8PbDyMB9xCc1ckAJzJb39HZYE1/psFO8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=n2gzTT5fHhXY5fdGABAYABEnjCRQqc/6aSezdn73L2uiPETndybCnk4KSmQ0nUih+ WoeX7tqaaiMo5W+WfpSL72XjLCtHv7xwu/DuK0dHKd7goK3uNB1Ab42RBW1nrrluKx UNobQDPOlhypsSzhZTbVhP79bDl6uOV7sSg23OWQAgRCkK3xApTpVN8S9G63hez4aG EWfWRI4zfIvBOjOOt1p2d/PEF1TwpBb5VJq9PmNvq9AdMZRyGaziO8rPV2pRlT+bl3 iY1z+5+mj5NljM1ZyGQ5mqXlrt/M+U6qB3VPcNfyQBsx4rNNanBEfnueWBLIonRuiM XAqoxz+Y+Agog== From: AngeloGioacchino Del Regno To: robh+dt@kernel.org Cc: krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, hsinyi@chromium.org, nfraprado@collabora.com, allen-kh.cheng@mediatek.com, gtk3@inbox.ru, luca@z3ntu.xyz, sam.shih@mediatek.com, sean.wang@mediatek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, wenst@chromium.org Subject: [PATCH 04/11] arm64: dts: mediatek: cherry: Add platform regulators layout and config Date: Thu, 30 Jun 2022 17:33:09 +0200 Message-Id: <20220630153316.308767-5-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220630153316.308767-1-angelogioacchino.delregno@collabora.com> References: <20220630153316.308767-1-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 regulators layout for this platform, including the basic power rails controlled by the EC (and/or always on). Moreover, include the MT6359 PMIC devicetree and add some configuration for its regulators, essential to keep the machine alive after booting. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: N=C3=ADcolas F. R. A. Prado --- .../boot/dts/mediatek/mt8195-cherry.dtsi | 102 ++++++++++++++++++ 1 file changed, 102 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/b= oot/dts/mediatek/mt8195-cherry.dtsi index 14f8f30b1eb3..091338f7d5ff 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi @@ -5,6 +5,7 @@ =20 #include #include "mt8195.dtsi" +#include "mt6359.dtsi" =20 / { aliases { @@ -19,6 +20,107 @@ memory@40000000 { device_type =3D "memory"; reg =3D <0 0x40000000 0 0x80000000>; }; + + /* system wide LDO 3.3V power rail */ + pp3300_z5: regulator-3v3-pp3300-ldo-z5 { + compatible =3D "regulator-fixed"; + regulator-name =3D "pp3300_ldo_z5"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + vin-supply =3D <&ppvar_sys>; + }; + + /* separately switched 3.3V power rail */ + pp3300_s3: regulator-3v3-pp3300-s3 { + compatible =3D "regulator-fixed"; + regulator-name =3D "pp3300_s3"; + /* automatically sequenced by PMIC EXT_PMIC_EN2 */ + regulator-always-on; + regulator-boot-on; + vin-supply =3D <&pp3300_z2>; + }; + + /* system wide 3.3V power rail */ + pp3300_z2: regulator-3v3-pp3300-z2 { + compatible =3D "regulator-fixed"; + regulator-name =3D "pp3300_z2"; + /* EN pin tied to pp4200_z2, which is controlled by EC */ + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + vin-supply =3D <&ppvar_sys>; + }; + + /* system wide 4.2V power rail */ + pp4200_z2: regulator-4v2-pp4200-z2 { + compatible =3D "regulator-fixed"; + regulator-name =3D "pp4200_z2"; + /* controlled by EC */ + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt =3D <4200000>; + regulator-max-microvolt =3D <4200000>; + vin-supply =3D <&ppvar_sys>; + }; + + /* system wide switching 5.0V power rail */ + pp5000_s5: regulator-5v0-pp5000-s5 { + compatible =3D "regulator-fixed"; + regulator-name =3D "pp5000_s5"; + /* controlled by EC */ + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt =3D <5000000>; + regulator-max-microvolt =3D <5000000>; + vin-supply =3D <&ppvar_sys>; + }; + + /* system wide semi-regulated power rail from battery or USB */ + ppvar_sys: regulator-ppvar-sys { + compatible =3D "regulator-fixed"; + regulator-name =3D "ppvar_sys"; + regulator-always-on; + regulator-boot-on; + }; +}; + +/* for CPU-L */ +&mt6359_vcore_buck_reg { + regulator-always-on; +}; + +/* for CORE */ +&mt6359_vgpu11_buck_reg { + regulator-always-on; +}; + +&mt6359_vgpu11_sshub_buck_reg { + regulator-always-on; + regulator-min-microvolt =3D <550000>; + regulator-max-microvolt =3D <550000>; +}; + +/* for CORE SRAM */ +&mt6359_vpu_buck_reg { + regulator-always-on; +}; + +&mt6359_vrf12_ldo_reg { + regulator-always-on; +}; + +/* for GPU SRAM */ +&mt6359_vsram_others_ldo_reg { + regulator-always-on; + regulator-min-microvolt =3D <750000>; + regulator-max-microvolt =3D <750000>; +}; + +&mt6359_vufs_ldo_reg { + regulator-always-on; }; =20 &pmic { --=20 2.35.1