From nobody Tue Oct 7 03:48:53 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 7C7682DC35B; Tue, 15 Jul 2025 11:57:31 +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=1752580653; cv=none; b=hFXuJj7Hs6rrKVqVVhUvtFVH4/hc34lGMUAjlhHxzVrmEAwm9BN/DH0iCdLL2uoXcgo/4/AwpVAXZW9YfVIB3AzHnWTi8xEmyjyFrsDxrwilo2siWv12fj1+WEjs5LeOAxm4pbUIjRUuCAGpwqAK48TiWDgKwQBF10444YyYaTo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752580653; c=relaxed/simple; bh=13GmZ2kfOxCjEspun2Nm9Yh6F/8K9FrvlUH5mmqA3rk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jn0DeevmduGV2Kc3yWQ3FdPqmUQZd2RgezbORucB5PyVBti1coDDXRBanuChSoJsbF4enH2zjynpv3A3GcVCLpzZhLN7fsYf/rRpsyPib+F7Z1Dv87IBaZluJAlMnwyI3Imshy94ZTRW/F18xW4kQoUOv7kV/3WmtoQxYTbc1jU= 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=cp8s2EpS; 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="cp8s2EpS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1752580644; bh=13GmZ2kfOxCjEspun2Nm9Yh6F/8K9FrvlUH5mmqA3rk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cp8s2EpSmNtDupvfkd2EkrJ2HelEQDo0ABv4U+WFkRv4xBcv2KlE+GXhr2vGESmF3 zvvSOTIpgdwa5FtR2Jfr5ROU93nHUs1s5lncCdYNeOS5UmaENDqX26zOZlCA4jRSSG muph5Cdqe8fR0nj91/MtwXh3QRLrq2Jsh5QQTGHm5MzOtwH9I1Wd+hEYzlwU9Fb67U J03mxsWlOqEGV9toYCgQ9a0kI5AU3u3x6tMDHvsEw5Pqpu+7hhNbEtfCnS6O8rLD8O tkvRdQEEobkJVIsb6HM/xLZ+MAIJb0IBFp3TILORUwL7tDrnfZRt04ZzwAQ26p16aY ZUtzd1aq2IXdw== 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 54B7D17E0EBD; Tue, 15 Jul 2025 13:57:23 +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 Subject: [PATCH v4 1/8] dt-bindings: regulator: Document MediaTek MT6316 PMIC Regulators Date: Tue, 15 Jul 2025 13:57:11 +0200 Message-ID: <20250715115718.176495-2-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250715115718.176495-1-angelogioacchino.delregno@collabora.com> References: <20250715115718.176495-1-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. Link: https://lore.kernel.org/r/20250624073548.29732-2-angelogioacchino.del= regno@collabora.com Link: https://lore.kernel.org/r/20250707134451.154346-2-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 2.50.1