linux-kernel - Re: [PATCH v1 1/2] dt-bindings: mmc: npcm,sdhci: Document NPCM SDHCI controller

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Message-ID: <20221201234954.GA1704219-robh@kernel.org>
Date:   Thu, 1 Dec 2022 17:49:54 -0600
From:   Rob Herring <robh@...nel.org>
To:     Tomer Maimon <tmaimon77@...il.com>
Cc:     ulf.hansson@...aro.org, avifishman70@...il.com,
        tali.perry1@...il.com, joel@....id.au, venture@...gle.com,
        yuenn@...gle.com, benjaminfair@...gle.com, adrian.hunter@...el.com,
        skhan@...uxfoundation.org, davidgow@...gle.com,
        pbrobinson@...il.com, gsomlo@...il.com, briannorris@...omium.org,
        arnd@...db.de, krakoczy@...micro.com, andy.shevchenko@...il.com,
        openbmc@...ts.ozlabs.org, linux-mmc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/2] dt-bindings: mmc: npcm,sdhci: Document NPCM SDHCI
 controller

On Wed, Nov 30, 2022 at 05:08:56PM +0200, Tomer Maimon wrote:
> Add binding for Nuvoton NPCM SDHCI controller.
> 
> Signed-off-by: Tomer Maimon <tmaimon77@...il.com>
> ---
>  .../devicetree/bindings/mmc/npcm,sdhci.yaml   | 47 +++++++++++++++++++
>  1 file changed, 47 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml b/Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml
> new file mode 100644
> index 000000000000..38409272807a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml
> @@ -0,0 +1,47 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mmc/npcm,sdhci.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NPCM SDHCI Controller
> +
> +maintainers:
> +  - Tomer Maimon <tmaimon77@...il.com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - nuvoton,npcm750-sdhci
> +      - nuvoton,npcm845-sdhci
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +patternProperties:
> +  "^sdhci@[0-9a-f]+$":
> +    type: object

sdhci is a child node of the nuvoton,npcm750-sdhci node?

> +    $ref: mmc-controller.yaml

I think you want:

allOf:
  - $ref: mmc-controller.yaml#

And then you will have some errors in the example to fix.

> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    sdhci0: sdhci@...40000 {

Drop unused labels.

Node name should be 'mmc'

> +      compatible = "nuvoton,npcm750-sdhci";

Indent by 4 spaces.

> +      reg = <0xf0840000 0x200>;
> +      interrupts = <0 27 4>;
> +      clocks = <&clk 4>;
> +    };
> -- 
> 2.33.0
> 
>