From patchwork Mon Jul 4 10:13:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 12904961 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 D40ADC43334 for ; Mon, 4 Jul 2022 10:15:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=P8AH7zyWIALH0su/AfmctOQJ2WHACIGfuk6WyieO1bI=; b=xBoeKD+mH288g2 cU7C2Kji1VUoJZSvu/L5YFF0eds5Q160geetokXkksaTnXtLMULVEDsa8YNMPrsukaDGznVH2H/b8 9Lgga+xMYQ5f/wpdlw3qW9JuTj8iJ2rcw+jSBq6g/jiQmgflPLGAIP5IwKzkPnluLDWtrki4dckeY WijwAmoHhHC0DExVOI3Et3tkux7Ar7n2VStgdiy7ApoNBBC9Sn+kTMMRBXT/fob6BRMlM4YTl/0hl pyZlgZ9t19u6yOeiZ8gkE5EacIqTqa5BAMPZHjl2mXJhDitr1XNr40/U5Dnau818f1F4U0BaLVund AyD15sgnYCe3akMef3Fw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o8J5Y-006pv2-M6; Mon, 04 Jul 2022 10:13:56 +0000 Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o8J5A-006pdP-EQ; Mon, 04 Jul 2022 10:13:34 +0000 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 6FBA1660198A; Mon, 4 Jul 2022 11:13:30 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1656929611; bh=bu6B2YcCIYZ6plXvXeLwW+wNbSXcWtCS4ehbelYtopY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OlURyK2nUwWnjHb+c0TDCo2Tfh/NkIrknxQVESdZEZRZygtrTNuim9574RnoXze9j P+8Yhaz04DubblJ0OyS6xMm4CbT4TdDx0FG4HH3Yf8UAVSU64uWnVprqq+qRPil/EF WxpMJThx59EwQr5PWZqyknUi2EnL+rkbGwhFonE7Vyx+9TmN+V9NRH2/9oXTPM0FlF frbWAEPFKVm12lGDuYhfO1bMNZ7bcZSiwXH4Uv/JyP+7n4IGpRAFCHCMZ4obh8mvk+ kSO6E9qVh4BsVmR/Mqn3WXNKAEnsSSTX0iaempFszgrXo27xo2lNzPnvxDv2rCcmt6 Er0+PtHviP8+w== 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 v2 03/11] arm64: dts: mediatek: cherry: Add platform regulators layout and config Date: Mon, 4 Jul 2022 12:13:13 +0200 Message-Id: <20220704101321.44835-4-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220704101321.44835-1-angelogioacchino.delregno@collabora.com> References: <20220704101321.44835-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220704_031332_792415_F1D52266 X-CRM114-Status: GOOD ( 12.31 ) 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 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: Nícolas F. R. A. Prado --- .../boot/dts/mediatek/mt8195-cherry.dtsi | 104 ++++++++++++++++++ 1 file changed, 104 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi index 7406d7bbf725..f4c3d33843a7 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi @@ -5,6 +5,7 @@ #include #include "mt8195.dtsi" +#include "mt6359.dtsi" / { aliases { @@ -19,6 +20,109 @@ memory@40000000 { device_type = "memory"; reg = <0 0x40000000 0 0x80000000>; }; + + /* system wide LDO 3.3V power rail */ + pp3300_z5: regulator-pp3300-ldo-z5 { + compatible = "regulator-fixed"; + regulator-name = "pp3300_ldo_z5"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&ppvar_sys>; + }; + + /* separately switched 3.3V power rail */ + pp3300_s3: regulator-pp3300-s3 { + compatible = "regulator-fixed"; + regulator-name = "pp3300_s3"; + /* automatically sequenced by PMIC EXT_PMIC_EN2 */ + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&pp3300_z2>; + }; + + /* system wide 3.3V power rail */ + pp3300_z2: regulator-pp3300-z2 { + compatible = "regulator-fixed"; + regulator-name = "pp3300_z2"; + /* EN pin tied to pp4200_z2, which is controlled by EC */ + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&ppvar_sys>; + }; + + /* system wide 4.2V power rail */ + pp4200_z2: regulator-pp4200-z2 { + compatible = "regulator-fixed"; + regulator-name = "pp4200_z2"; + /* controlled by EC */ + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <4200000>; + regulator-max-microvolt = <4200000>; + vin-supply = <&ppvar_sys>; + }; + + /* system wide switching 5.0V power rail */ + pp5000_s5: regulator-pp5000-s5 { + compatible = "regulator-fixed"; + regulator-name = "pp5000_s5"; + /* controlled by EC */ + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <&ppvar_sys>; + }; + + /* system wide semi-regulated power rail from battery or USB */ + ppvar_sys: regulator-ppvar-sys { + compatible = "regulator-fixed"; + regulator-name = "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 = <550000>; + regulator-max-microvolt = <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 = <750000>; + regulator-max-microvolt = <750000>; +}; + +&mt6359_vufs_ldo_reg { + regulator-always-on; }; &uart0 {