linux-kernel - Re: [PATCH 02/10] dt-bindings: arm: freescale: Add fsl,scu-clk yaml file

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Message-ID: <20220607162942.GA3384053-robh@kernel.org>
Date:   Tue, 7 Jun 2022 10:29:42 -0600
From:   Rob Herring <robh@...nel.org>
To:     Abel Vesa <abel.vesa@....com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Dong Aisheng <aisheng.dong@....com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 02/10] dt-bindings: arm: freescale: Add fsl,scu-clk yaml
 file

On Tue, Jun 07, 2022 at 01:59:43PM +0300, Abel Vesa wrote:
> This documents separately the clock child node of the SCU main node.
> 
> Signed-off-by: Abel Vesa <abel.vesa@....com>
> ---
>  .../bindings/arm/freescale/fsl,scu-clk.yaml   | 45 +++++++++++++++++++
>  1 file changed, 45 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/freescale/fsl,scu-clk.yaml
> 
> diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu-clk.yaml b/Documentation/devicetree/bindings/arm/freescale/fsl,scu-clk.yaml
> new file mode 100644
> index 000000000000..f6b97439ce38
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu-clk.yaml
> @@ -0,0 +1,45 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/freescale/fsl,scu-clk.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: i.MX SCU Client Device Node - Clock bindings based on SCU Message Protocol
> +
> +maintainers:
> +  - Shawn Guo <shawnguo@...nel.org>
> +
> +description: i.MX SCU Client Device Node
> +  Client nodes are maintained as children of the relevant IMX-SCU device node.
> +  This binding uses the common clock binding.
> +  (Documentation/devicetree/bindings/clock/clock-bindings.txt)
> +  The clock consumer should specify the desired clock by having the clock
> +  ID in its "clocks" phandle cell.
> +  See the full list of clock IDs from
> +  include/dt-bindings/clock/imx8qxp-clock.h
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - enum:
> +              - fsl,imx8dxl-clk
> +              - fsl,imx8qm-clk
> +              - fsl,imx8qxp-clk
> +          - const: fsl,scu-clk
> +      - items:
> +          - const: fsl,imx8qxp-clk

Why do you need to support with and without a fallback?

> +  '#clock-cells':
> +    const: 2
> +  clocks:
> +    minItems: 1
> +    maxItems: 3

Need to define what are the clock entries.

> +  clock-names:
> +    minItems: 1
> +    maxItems: 3

Need to define the names.

> +
> +additionalProperties: false
> +
> +required:
> +  - compatible
> +  - '#clock-cells'
> -- 
> 2.34.3
> 
>