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

From: Rob Herring
Date: Thu Dec 01 2022 - 18:50:02 EST


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@xxxxxxxxx>
> ---
> .../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@xxxxxxxxx>
> +
> +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@f0840000 {

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
>
>