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regulator: Add bindings for MT6332 regulator

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Add devicetree bindings for the regulators found in the MT6332 PMIC.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220913123456.384513-4-angelogioacchino.delregno@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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AngeloGioacchino Del Regno 2022-09-13 14:34:55 +02:00 committed by Mark Brown
parent 6f7a71f804
commit e22943e32e
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Documentation/devicetree/bindings/regulator/mediatek,mt6332-regulator.yaml Normal file
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/mediatek,mt6332-regulator.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MT6332 Regulator from MediaTek Integrated
maintainers:
- AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
description: |
The MT6332 Companion PMIC provides 6 BUCK and 4 LDO (Low Dropout)
regulators and nodes are named according to the regulator type:
buck-<name> and ldo-<name>.
MT6332 regulators node should be sub node of the MT6397 MFD node.
patternProperties:
"^buck-v(dram|dvfs2|pa|rf18a|rf18b|sbst)$":
type: object
$ref: "regulator.yaml#"
properties:
regulator-name:
pattern: "^v(dram|dvfs2|pa|rf18a|rf18b|sbst)$"
unevaluatedProperties: false
"^ldo-v(bif28|dig18|sram|usb33)$":
type: object
$ref: "regulator.yaml#"
properties:
regulator-name:
pattern: "^v(bif28|dig18|sram|usb33)$"
unevaluatedProperties: false
additionalProperties: false
examples:
- |
pmic {
regulators {
mt6332_vdram_reg: buck-vdram {
regulator-name = "vdram";
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1493750>;
regulator-ramp-delay = <12500>;
regulator-allowed-modes = <0 1>;
regulator-always-on;
};
mt6332_vdvfs2_reg: buck-vdvfs2 {
regulator-name = "vdvfs2";
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1312500>;
regulator-ramp-delay = <12500>;
regulator-enable-ramp-delay = <1>;
regulator-allowed-modes = <0 1>;
};
mt6332_vpa_reg: buck-vpa {
regulator-name = "vpa";
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <3400000>;
};
mt6332_vrf18a_reg: buck-vrf18a {
regulator-name = "vrf18a";
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <2240625>;
regulator-allowed-modes = <0 1>;
};
mt6332_vrf18b_reg: buck-vrf18b {
regulator-name = "vrf18b";
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <2240625>;
regulator-allowed-modes = <0 1>;
};
mt6332_vsbst_reg: buck-vsbst {
regulator-name = "vsbst";
regulator-min-microvolt = <3500000>;
regulator-max-microvolt = <7468750>;
};
mt6332_vauxb32_reg: ldo-vauxb32 {
regulator-name = "vauxb32";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <3200000>;
};
mt6332_vbif28_reg: ldo-vbif28 {
regulator-name = "vbif28";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
};
mt6332_vdig18_reg: ldo-vdig18 {
regulator-name = "vdig18";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
};
mt6332_vsram_reg: ldo-vsram {
regulator-name = "vauxa32";
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1493750>;
regulator-always-on;
};
mt6332_vusb33_reg: ldo-vusb33 {
regulator-name = "vusb33";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
};
};
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