linux-kernel - Re: [PATCH 1/3] dt-bindings: arm: mediatek: convert hifsys to the json-schema

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Message-ID: <20240130203617.GB2290196-robh@kernel.org>
Date: Tue, 30 Jan 2024 14:36:17 -0600
From: Rob Herring <robh@...nel.org>
To: Rafał Miłecki <zajec5@...il.com>
Cc: Russell King <linux@...linux.org.uk>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	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>,
	devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Rafał Miłecki <rafal@...ecki.pl>
Subject: Re: [PATCH 1/3] dt-bindings: arm: mediatek: convert hifsys to the
 json-schema

On Tue, Jan 23, 2024 at 09:20:58AM +0100, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@...ecki.pl>
> 
> This helps validating DTS files. Introduced changes:
> 1. Documented "reg" property
> 2. Documented "#reset-cells" property
> 3. Adjusted "reg" in example
> 
> Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
> ---
>  .../bindings/arm/mediatek/mediatek,hifsys.txt | 26 ---------
>  .../arm/mediatek/mediatek,mt2701-hifsys.yaml  | 54 +++++++++++++++++++

Like the other one, please move this.

>  2 files changed, 54 insertions(+), 26 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,hifsys.txt
>  create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mt2701-hifsys.yaml
> 
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,hifsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,hifsys.txt
> deleted file mode 100644
> index 323905af82c3..000000000000
> --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,hifsys.txt
> +++ /dev/null
> @@ -1,26 +0,0 @@
> -Mediatek hifsys controller
> -============================
> -
> -The Mediatek hifsys controller provides various clocks and reset
> -outputs to the system.
> -
> -Required Properties:
> -
> -- compatible: Should be:
> -	- "mediatek,mt2701-hifsys", "syscon"
> -	- "mediatek,mt7622-hifsys", "syscon"
> -	- "mediatek,mt7623-hifsys", "mediatek,mt2701-hifsys", "syscon"
> -- #clock-cells: Must be 1
> -
> -The hifsys controller uses the common clk binding from
> -Documentation/devicetree/bindings/clock/clock-bindings.txt
> -The available clocks are defined in dt-bindings/clock/mt*-clk.h.
> -
> -Example:
> -
> -hifsys: clock-controller@...00000 {
> -	compatible = "mediatek,mt2701-hifsys", "syscon";
> -	reg = <0 0x1a000000 0 0x1000>;
> -	#clock-cells = <1>;
> -	#reset-cells = <1>;
> -};
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt2701-hifsys.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt2701-hifsys.yaml
> new file mode 100644
> index 000000000000..7c7b7b7b1142
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt2701-hifsys.yaml
> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/mediatek/mediatek,mt2701-hifsys.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Mediatek hifsys controller
> +
> +description:
> +  The Mediatek hifsys controller provides various clocks and reset outputs to
> +  the system.
> +
> +maintainers:
> +  - Matthias Brugger <matthias.bgg@...il.com>
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - const: mediatek,mt2701-hifsys
> +          - const: syscon
> +      - items:
> +          - enum:
> +              - mediatek,mt7623-hifsys
> +          - const: mediatek,mt2701-hifsys
> +          - const: syscon
> +      - items:
> +          - const: mediatek,mt7622-hifsys
> +          - const: syscon

The 1st and 3rd entries can be combined.

> +
> +  reg:
> +    maxItems: 1
> +
> +  "#clock-cells":
> +    const: 1
> +    description: The available clocks are defined in dt-bindings/clock/mt*-clk.h
> +
> +  "#reset-cells":
> +    const: 1
> +
> +required:
> +  - reg
> +  - "#clock-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    clock-controller@...00000 {
> +        compatible = "mediatek,mt2701-hifsys", "syscon";
> +        reg = <0x1a000000 0x1000>;
> +        #clock-cells = <1>;
> +        #reset-cells = <1>;
> +    };
> -- 
> 2.35.3
>