linux-kernel - Re: [PATCH v2 1/3] dt-bindings: reset: add schema for imx8ulp SIM reset

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Message-ID: <f32847c0-6c15-4d17-805f-03d2ad62aae5@kernel.org>
Date: Mon, 10 Jun 2024 10:59:09 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
 Philipp Zabel <p.zabel@...gutronix.de>, Liu Ying <victor.liu@....com>,
 Sascha Hauer <s.hauer@...gutronix.de>
Cc: laurentiu.mihalcea@....com, devicetree@...r.kernel.org,
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] dt-bindings: reset: add schema for imx8ulp SIM
 reset

On 09/06/2024 14:58, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
> 
> Add schema for imx8ulp's SIM reset controller.
> 
> Signed-off-by: Liu Ying <victor.liu@....com>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@....com>

> ---
>  .../bindings/reset/nxp,imx8ulp-sim-reset.yaml | 68 +++++++++++++++++++
>  1 file changed, 68 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/reset/nxp,imx8ulp-sim-reset.yaml
> 
> diff --git a/Documentation/devicetree/bindings/reset/nxp,imx8ulp-sim-reset.yaml b/Documentation/devicetree/bindings/reset/nxp,imx8ulp-sim-reset.yaml
> new file mode 100644
> index 000000000000..e7faec55ff36
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/reset/nxp,imx8ulp-sim-reset.yaml

Use compatible as filename.

> @@ -0,0 +1,68 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/reset/nxp,imx8ulp-sim-reset.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NXP i.MX8ULP System Integration Module Reset Controller
> +
> +maintainers:
> +  - Liu Ying <victor.liu@....com>
> +
> +description: |

Do not need '|' unless you need to preserve formatting.


> +  Some instances of i.MX8ULP's SIM may offer control
> +  over the reset of some components of a certain domain
> +  (e.g: AVD-SIM).
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - nxp,imx8ulp-avd-sim-reset
> +      - const: syscon
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  '#reset-cells':
> +    const: 1
> +
> +  mux-controller:
> +    $ref: ../mux/reg-mux.yaml

Full path, so /schemas/mux/reg-mux.yaml#

> +
> +required:
> +  - compatible
> +  - reg
> +  - '#reset-cells'
> +
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: nxp,imx8ulp-avd-sim-reset
> +    then:
> +      required:
> +        - mux-controller
> +        - clocks

This does not make much sense. You do not have other variants.

> +
> +additionalProperties: false


Best regards,
Krzysztof