linux-kernel - Re: [PATCH 1/4] dt-bindings: memory: mediatek: Add mt8188 SMI reset control binding

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Message-ID: <ef942c52-9a07-4f32-92b8-cd96021ac451@kernel.org>
Date: Wed, 21 Aug 2024 10:54:00 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: "friday.yang" <friday.yang@...iatek.com>, Rob Herring <robh@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Matthias Brugger
 <matthias.bgg@...il.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: Yong Wu <yong.wu@...iatek.com>, Philipp Zabel <p.zabel@...gutronix.de>,
 linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH 1/4] dt-bindings: memory: mediatek: Add mt8188 SMI reset
 control binding

On 21/08/2024 10:26, friday.yang wrote:
> To support SMI clamp and reset operation in genpd callback, add
> SMI LARB reset register offset and mask related information in
> the bindings. Add index in mt8188-resets.h to query the register
> offset and mask in the SMI reset control driver.
> 
> Signed-off-by: friday.yang <friday.yang@...iatek.com>

User proper full name instead of login.


Please use subject prefixes matching the subsystem. You can get them for
example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
your patch is touching. For bindings, the preferred subjects are
explained here:
https://www.kernel.org/doc/html/latest/devicetree/bindings/submitting-patches.html#i-for-patch-submitters

> ---
>  .../bindings/reset/mediatek,smi-reset.yaml    | 46 +++++++++++++++++++
>  include/dt-bindings/reset/mt8188-resets.h     | 11 +++++
>  2 files changed, 57 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/reset/mediatek,smi-reset.yaml
> 
> diff --git a/Documentation/devicetree/bindings/reset/mediatek,smi-reset.yaml b/Documentation/devicetree/bindings/reset/mediatek,smi-reset.yaml
> new file mode 100644
> index 000000000000..66ac121d2396
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/reset/mediatek,smi-reset.yaml
> @@ -0,0 +1,46 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (c) 2024 MediaTek Inc.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/reset/mediatek,smi-reset.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek SMI Reset Controller
> +
> +maintainers:
> +  - Friday Yang <friday.yang@...iatek.com>
> +
> +description: |
> +  This reset controller node is used to perform reset management
> +  of SMI larbs on MediaTek platform. It is used to implement various
> +  reset functions required when SMI larbs apply clamp operation.
> +
> +  For list of all valid reset indices see
> +    <dt-bindings/reset/mt8188-resets.h> for MT8188.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - mediatek,smi-reset-mt8188

Wrong placement of soc. It's mediatek,mt8189-whatever

> +
> +  "#reset-cells":
> +    const: 1
> +
> +  mediatek,larb-rst-syscon:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: phandle of the SMI larb's reset controller syscon.

Explain what is it used for.

> +
> +required:
> +  - compatible
> +  - "#reset-cells"
> +  - mediatek,larb-rst-syscon
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    imgsys1_dip_top_rst: reset-controller {

Drop label

> +          compatible = "mediatek,smi-reset-mt8188";

Use 4 spaces for example indentation.

> +          #reset-cells = <1>;
> +          mediatek,larb-rst-syscon = <&imgsys1_dip_top>;
> +    };


Best regards,
Krzysztof