From nobody Wed Oct 1 22:19:18 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 7253C2C234A; Wed, 1 Oct 2025 11:13:25 +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=1759317207; cv=none; b=aWUoQdyWC3dAdHsedf6jOuXAauEUSK7Vl6i5rEjdsv6o1lK8+vjXKMg4YbMWl+B+iVXRb/ylWTqN8ly61NDagd02O7rkGe3ucF0e+k/Ie0BxhNTietmwE76IiPseq33nHsleimApJD+QaWkjmTddbF0qXgCFeQlPF9bjmMEboys= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759317207; c=relaxed/simple; bh=5zsDyLYK41D9E65qPeAwBppugXARhfmvhVEyqFSsr2U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=RZwBI6IZQ+mSpH87j3O1+VzysQMlIhOYGs7+Qup3j4SkO3ywN+Yrz+ZuVcdsoLg4PWUzmjoa+6VAym2b00TC7TGKarD3yAliuPJ0v+ryd0yq2/vIiUrgbe39HMem4mCtjv7MqMqiYkqpns5GO8V6YmcoPxUmNhpUV6gW3jnJEmc= 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=Id3J49yD; 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="Id3J49yD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1759317203; bh=5zsDyLYK41D9E65qPeAwBppugXARhfmvhVEyqFSsr2U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Id3J49yD4Kj4QIhWoe8LKJQwdq42Ux4tI11If9PPDb7GTIVx82Z2zT1t2RmZ2xkMi KS4cWrOsrWCjIiI9Mep33AoMG983bY9TsM0JMuiViETGCM09/tCgYbh3kh/WB/jdfe GLX188M1fkDXY+qZq7GwJ1xpZUKtibuMhzuai/Ekosy7Bi1bnD8zC8NYLvLSWsNmnc UUp5q311bTDxJivAPIw3vngl9fkCk0D4WJSmMudsl3XqTA+jSXzzlyrNbudQhu5vkF UcSB+vZhRBfBoc5Q5vvBAcJpYyO/TSAodoRFf74GGF5WRPIt7T/e1cRGKCyuYEpOGR B1Yv6CjosY1+A== 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 19C6617E0286; Wed, 1 Oct 2025 13:13:23 +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 1/9] dt-bindings: regulator: Document MediaTek MT6316 PMIC Regulators Date: Wed, 1 Oct 2025 13:13:08 +0200 Message-ID: <20251001111316.31828-2-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 MT6316 PMIC, usually found in board designs using the MT6991 Dimensity 9400 and on MT8196 Kompanio SoC for Chromebooks. This chip is fully controlled by SPMI and has multiple variants providing different phase configurations. Reviewed-by: Chen-Yu Tsai Link: https://lore.kernel.org/r/20250715140224.206329-2-angelogioacchino.de= lregno@collabora.com Signed-off-by: AngeloGioacchino Del Regno --- .../regulator/mediatek,mt6316b-regulator.yaml | 46 +++++++++++++++++++ .../regulator/mediatek,mt6316c-regulator.yaml | 46 +++++++++++++++++++ .../regulator/mediatek,mt6316d-regulator.yaml | 41 +++++++++++++++++ 3 files changed, 133 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/mediatek,mt= 6316b-regulator.yaml create mode 100644 Documentation/devicetree/bindings/regulator/mediatek,mt= 6316c-regulator.yaml create mode 100644 Documentation/devicetree/bindings/regulator/mediatek,mt= 6316d-regulator.yaml diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6316b-r= egulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6316= b-regulator.yaml new file mode 100644 index 000000000000..e7a6b70cdab2 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6316b-regulato= r.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/mediatek,mt6316b-regulator.ya= ml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MT6316 BP/VP SPMI PMIC Regulators + +maintainers: + - AngeloGioacchino Del Regno + +description: + The MediaTek MT6316BP/VP PMICs are fully controlled by SPMI interface, b= oth + feature four step-down DC/DC (buck) converters, and provides 2+2 Phases, + joining Buck 1+2 for the first phase, and Buck 3+4 for the second phase. + +properties: + compatible: + const: mediatek,mt6316b-regulator + + vbuck12: + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + + vbuck34: + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + +additionalProperties: false + +examples: + - | + pmic { + regulators { + compatible =3D "mediatek,mt6316b-regulator"; + + vbuck12 { + regulator-min-microvolt =3D <450000>; + regulator-max-microvolt =3D <965000>; + regulator-always-on; + }; + }; + }; +... diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6316c-r= egulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6316= c-regulator.yaml new file mode 100644 index 000000000000..0b9239a595ed --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6316c-regulato= r.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/mediatek,mt6316c-regulator.ya= ml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MT6316 CP/HP/KP SPMI PMIC Regulators + +maintainers: + - AngeloGioacchino Del Regno + +description: + The MediaTek MT6316CP/HP/KP PMICs are fully controlled by SPMI interface, + features four step-down DC/DC (buck) converters, and provides 3+1 Phases, + joining Buck 1+2+4 for the first phase, and uses Buck 3 for the second. + +properties: + compatible: + const: mediatek,mt6316c-regulator + + vbuck124: + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + + vbuck3: + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + +additionalProperties: false + +examples: + - | + pmic { + regulators { + compatible =3D "mediatek,mt6316c-regulator"; + + vbuck124 { + regulator-min-microvolt =3D <450000>; + regulator-max-microvolt =3D <1277500>; + regulator-always-on; + }; + }; + }; +... diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6316d-r= egulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6316= d-regulator.yaml new file mode 100644 index 000000000000..460c02bf69de --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6316d-regulato= r.yaml @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/mediatek,mt6316d-regulator.ya= ml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MT6316 DP/TP SPMI PMIC Regulators + +maintainers: + - AngeloGioacchino Del Regno + +description: + The MediaTek MT6316DP/TP PMICs are fully controlled by SPMI interface, b= oth + feature four step-down DC/DC (buck) converters, and provides a single Ph= ase, + joining Buck 1+2+3+4. + +properties: + compatible: + const: mediatek,mt6316d-regulator + + vbuck1234: + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + +additionalProperties: false + +examples: + - | + pmic { + regulators { + compatible =3D "mediatek,mt6316d-regulator"; + + vbuck1234 { + regulator-min-microvolt =3D <400000>; + regulator-max-microvolt =3D <1277500>; + regulator-always-on; + }; + }; + }; +... --=20 2.51.0