On Wed, Apr 17, 2024 at 11:14:36AM +0200, AngeloGioacchino Del Regno wrote: > The Dynamic Voltage and Frequency Scaling Resource Collector Regulators > are controlled with votes to the DVFSRC hardware. > > This adds support for the regulators found in MT6873, MT8183, MT8192 > and MT8195 SoCs. > > Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> > --- > .../mediatek,mt6873-dvfsrc-regulator.yaml | 71 +++++++++++++++++++ > 1 file changed, 71 insertions(+) > create mode 100644 Documentation/devicetree/bindings/regulator/mediatek,mt6873-dvfsrc-regulator.yaml > > diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6873-dvfsrc-regulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6873-dvfsrc-regulator.yaml > new file mode 100644 > index 000000000000..446f1dab4d2e > --- /dev/null > +++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6873-dvfsrc-regulator.yaml > @@ -0,0 +1,71 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/regulator/mediatek,mt6873-dvfsrc-regulator.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: MediaTek DVFSRC-controlled Regulators > + > +description: > + The Dynamic Voltage and Frequency Scaling Resource Collector Regulators > + are controlled with votes to the DVFSRC hardware. > + > +maintainers: > + - AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> > + > +properties: > + compatible: > + enum: > + - mediatek,mt6873-dvfsrc-regulator > + - mediatek,mt8183-dvfsrc-regulator > + - mediatek,mt8192-dvfsrc-regulator > + - mediatek,mt8195-dvfsrc-regulator > + > + reg: > + maxItems: 1 > + > + dvfsrc-vcore: > + description: DVFSRC-controlled SoC Vcore regulator > + $ref: regulator.yaml# unevaluatedProperties: false > + > + dvfsrc-vscp: > + description: DVFSRC-controlled System Control Processor regulator > + $ref: regulator.yaml# ditto > + > +required: > + - compatible 'reg' is never optional. And how is no regulators at all valid? > + > +additionalProperties: false > + > +examples: > + - | Drop the example here. Just one complete example in the MFD doc. > + soc { > + #address-cells = <2>; > + #size-cells = <2>; > + > + system-controller@10012000 { > + compatible = "mediatek,mt8195-dvfsrc"; > + reg = <0 0x10012000 0 0x1000>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + regulators@0 { > + compatible = "mediatek,mt8195-dvfsrc-regulator"; > + reg = <0>; What does 'reg' value represent here? 0 and 1 seem pretty much made up. > + > + dvfsrc_vcore: dvfsrc-vcore { > + regulator-name = "dvfsrc-vcore"; > + regulator-min-microvolt = <550000>; > + regulator-max-microvolt = <750000>; > + regulator-always-on; > + }; > + > + dvfsrc_vscp: dvfsrc-vscp { > + regulator-name = "dvfsrc-vscp"; > + regulator-min-microvolt = <550000>; > + regulator-max-microvolt = <750000>; > + regulator-always-on; > + }; > + }; > + }; > + }; > -- > 2.44.0 >
