From nobody Wed Oct 1 22:19:17 2025 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A94D62C3274; Wed, 1 Oct 2025 11:13:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759317210; cv=none; b=ZO8Ok/d1feQCDah8HFLe2i+FYav+vFrmYzMifH+h46PyEH7cN+lXBm2ubqaprOSjLnb1bsNRt8B4zVT/6bZLA6mupdrfVFz8PVRTt/Rj3hOooEPBs7zYh4A8g2hen3YQT6nHHCaEiY7lSRGSuYByg5jiQmdxUFazx8MWtBAtG00= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759317210; c=relaxed/simple; bh=3aQtXyD79+YshHbuMh+Zp+wTwkLKLoPTpGTmWZAAol8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=nFykXRcrLFtsqikdLGW0Nt9MgNSHvJOpk4Aoxf/dOm38dfwC9r/u+s6ZWhmKKEny4k5+ixbz5LMtRdYXrZVVwDWZlKLer6fzX5or5J2Y0gt/Jixpz6XEsRwk5Ngbbnzqo4g3DaJjkpwj2kv/mS74yUbc59P3KczJpBalArJKRsI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=H9zkv3RL; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="H9zkv3RL" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1759317206; bh=3aQtXyD79+YshHbuMh+Zp+wTwkLKLoPTpGTmWZAAol8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H9zkv3RLY8+hOyuRAHVrkvwiFBZQ7Rnlw2tvqkHV5Kvn6gh9ch1v2WfJ4h9PlKfYI xezE0dl76IQVVQI7HMbpfPoKN4LNV0HUWYKXY3e53GgN1XB0G8xFZEYLoD0prbKdnf MnMiNfSzfCg1u3GVOdulJxXxELeSeBiY159nIVfg8vGg8FCQNPeUWdhcQ6DDQ9ctv3 K8XWOUKtV9WjQWokGG46Gmq1Y53vImuUUDZ5jdamsZZH+0e6QYcmhBoq6Hyp/K2XGq jG2qzgLAwB89HqCkcz2upIXt88v+q/p+w4LPlgDx3rqcYXM+WC0OdjOK8Xg41hfx1D +rDL+sMTmoM+w== 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 bali.collaboradmins.com (Postfix) with ESMTPSA id CF8AE17E13C1; Wed, 1 Oct 2025 13:13:25 +0200 (CEST) From: AngeloGioacchino Del Regno To: linux-mediatek@lists.infradead.org Cc: lee@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, lgirdwood@gmail.com, broonie@kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@collabora.com, wenst@chromium.org, igor.belwon@mentallysanemainliners.org Subject: [PATCH v6 5/9] dt-bindings: regulator: Document MediaTek MT6373 PMIC Regulators Date: Wed, 1 Oct 2025 13:13:12 +0200 Message-ID: <20251001111316.31828-6-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251001111316.31828-1-angelogioacchino.delregno@collabora.com> References: <20251001111316.31828-1-angelogioacchino.delregno@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add bindings for the regulators found in the MediaTek MT6363 PMIC, usually found in board designs using the MT6991 Dimensity 9400 and on MT8196 Kompanio SoC for Chromebooks, along with the MT6316 and MT6363 PMICs. Link: https://lore.kernel.org/r/20250715140224.206329-6-angelogioacchino.de= lregno@collabora.com Signed-off-by: AngeloGioacchino Del Regno --- .../regulator/mediatek,mt6373-regulator.yaml | 137 ++++++++++++++++++ 1 file changed, 137 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/mediatek,mt= 6373-regulator.yaml diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6373-re= gulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6373-= regulator.yaml new file mode 100644 index 000000000000..cb721d81b77c --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6373-regulator= .yaml @@ -0,0 +1,137 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/mediatek,mt6373-regulator.yam= l# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MT6373 PMIC Regulators + +maintainers: + - AngeloGioacchino Del Regno + +description: + The MT6373 SPMI PMIC provides 10 BUCK and 23 LDO (Low DropOut) regulators + and can optionally provide overcurrent warnings with one ocp interrupt + for each voltage regulator. + +properties: + compatible: + const: mediatek,mt6373-regulator + + reg: + maxItems: 1 + + vsys-vbuck0-supply: + description: Input supply for vbuck0 + + vsys-vbuck1-supply: + description: Input supply for vbuck1 + + vsys-vbuck2-supply: + description: Input supply for vbuck2 + + vsys-vbuck3-supply: + description: Input supply for vbuck3 + + vsys-vbuck4-supply: + description: Input supply for vbuck4 + + vsys-vbuck5-supply: + description: Input supply for vbuck5 + + vsys-vbuck6-supply: + description: Input supply for vbuck6 + + vsys-vbuck7-supply: + description: Input supply for vbuck7 + + vsys-vbuck8-supply: + description: Input supply for vbuck8 + + vsys-vbuck9-supply: + description: Input supply for vbuck9 + + vs1-ldo1-supply: + description: Input supply for vant18, vaud18, vcn18io + + vs2-ldo1-supply: + description: Input supply for vrf12-aif, vrf13-aif + + vs3-ldo1-supply: + description: Input supply for vrf09-aif, vsram-digrf-aif + + vsys-ldo1-supply: + description: Input supply for vcn33-1, vcn33-2, vmc + + vsys-ldo2-supply: + description: + Input supply for vaux18, vcn33-3, vefuse, vfp, vibr, vio28, vtp, vusb + + vsys-ldo3-supply: + description: Input supply for vmch, vmch-eint-high/low + +patternProperties: + "^v(ant|aud|aux)18$": + $ref: "#/$defs/mediatek-mt6373-ldo-common" + + "^vbuck([0-9])$": + type: object + $ref: regulator.yaml# + properties: + regulator-allowed-modes: + description: | + Allowed Buck regulator operating modes allowed. Valid values bel= ow. + 0 - Normal mode with automatic power saving, reducing the swit= ching + frequency when light load conditions are detected + 1 - Forced Continuous Conduction mode (FCCM) for improved volt= age + regulation accuracy with constant switching frequency but = lower + regulator efficiency + 2 - Forced Low Power mode for improved regulator efficiency, u= sed + when no heavy load is expected, does not limit the maximum= out + current but unless only a light load is applied, there wil= l be + regulation accuracy and efficiency losses. + 3 - Forced Ultra Low Power mode for ultra low load, this great= ly + reduces the maximum output power, makes the regulator to be + efficient only for ultra light load, and greatly reduces t= he + quiescent current (Iq) of the buck. + maxItems: 3 + items: + enum: [ 0, 1, 2, 3 ] + unevaluatedProperties: false + + "^v(cn18io|cn33-[123]|efuse|fp|tp|ibr|io28|sram-digrf-aif|usb)": + $ref: "#/$defs/mediatek-mt6373-ldo-common" + + "^vmc(h)?$": + $ref: "#/$defs/mediatek-mt6373-ldo-common" + + "^vmch-eint-(low|high)?$": + $ref: "#/$defs/mediatek-mt6373-ldo-common" + + "^vrf(09|12|13|18|io18)-aif$": + $ref: "#/$defs/mediatek-mt6373-ldo-common" + +$defs: + mediatek-mt6373-ldo-common: + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + properties: + regulator-allowed-modes: + description: | + Allowed LDO regulator operating modes allowed. Valid values belo= w. + 0 - Normal mode with automatic power saving, reducing the swit= ching + frequency when light load conditions are detected + 2 - Forced Low Power mode for improved regulator efficiency, u= sed + when no heavy load is expected, does not limit the maximum= out + current but unless only a light load is applied, there wil= l be + regulation accuracy and efficiency losses. + maxItems: 2 + items: + enum: [ 0, 2 ] + +required: + - compatible + - reg + +additionalProperties: false --=20 2.51.0