linux-kernel - Re: [PATCH 4/9] regulator: dt-bindings: mediatek: Add MT6366 PMIC

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Date:   Mon, 7 Aug 2023 08:23:48 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Chen-Yu Tsai <wenst@...omium.org>, Lee Jones <lee@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Mark Brown <broonie@...nel.org>
Cc:     Zhiyong Tao <zhiyong.tao@...iatek.com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH 4/9] regulator: dt-bindings: mediatek: Add MT6366 PMIC

On 03/08/2023 09:42, Chen-Yu Tsai wrote:
> From: Zhiyong Tao <zhiyong.tao@...iatek.com>
> 
> The MediaTek MT6366 PMIC is similar to the MT6358 PMIC. It is designed
> to be paired with the MediaTek MT8186 SoC. It has 9 buck regulators and
> 29 LDO regulators, not counting ones that feed internally and basically
> have no controls. The regulators are named after their intended usage
> for the SoC and system design, thus not named generically as ldoX or
> dcdcX, but as vcn33 or vgpu.
> 
> Add a binding document describing all the regulators and their supplies.
> 
> Signed-off-by: Zhiyong Tao <zhiyong.tao@...iatek.com>
> [wens@...omium.org: major rework and added commit message]
> Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>
> ---
> Changes since Zhiyong's last version (v4) [1]:
> - simplified regulator names
> - added descriptions to regulators
> - removed bogus regulators (*_sshub)
> - merged vcn33-wifi and vcn33-bt as vcn33
> - added missing regulators (vm18, vmddr, vsram-core)
> - cut down examples to a handful of cases and made them complete
> - expanded commit message a lot
> 
> [1] https://lore.kernel.org/linux-arm-kernel/20220823123745.14061-1-zhiyong.tao@mediatek.com/
> 
>  .../regulator/mediatek,mt6366-regulator.yaml  | 154 ++++++++++++++++++
>  1 file changed, 154 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/regulator/mediatek,mt6366-regulator.yaml
> 
> diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6366-regulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6366-regulator.yaml
> new file mode 100644
> index 000000000000..715c6ffcb3ab
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6366-regulator.yaml
> @@ -0,0 +1,154 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/mediatek,mt6366-regulator.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MT6366 Regulator from MediaTek Integrated
> +
> +maintainers:
> +  - Zhiyong Tao <zhiyong.tao@...iatek.com>
> +
> +description: |
> +  Regulator part of the MT6366 PMIC. This node should be under the PMIC's
> +  device node.
> +
> +properties:
> +  compatible:
> +    const: mediatek,mt6366-regulator
> +
> +  vsys_ldo1-supply:

Don't use underscores in property names. Only hyphens, if needed.

> +    description: Supply for LDOs vfe28, vxo22, vcn28, vaux18, vaud28, vsim1, vusb, vbif28
> +  vsys_ldo2-supply:



Best regards,
Krzysztof