linux-kernel - Re: [PATCH v2] dt-bindings: mmc: atmel,hsmci: Convert to json schema

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Message-ID: <20241217124316.GA1136537-robh@kernel.org>
Date: Tue, 17 Dec 2024 06:43:16 -0600
From: Rob Herring <robh@...nel.org>
To: Dharma Balasubiramani <dharma.b@...rochip.com>
Cc: Ulf Hansson <ulf.hansson@...aro.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Nicolas Ferre <nicolas.ferre@...rochip.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Claudiu Beznea <claudiu.beznea@...on.dev>,
	Aubin Constans <aubin.constans@...rochip.com>,
	linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] dt-bindings: mmc: atmel,hsmci: Convert to json schema

On Mon, Dec 09, 2024 at 10:02:30AM +0530, Dharma Balasubiramani wrote:
> Convert atmel,hsmci documentation to yaml format. The new file will inherit
> from mmc-controller.yaml.
> 
> Signed-off-by: Dharma Balasubiramani <dharma.b@...rochip.com>
> ---
> Changes in v2:
> - Drop the duplicate properties in the slot node.
> - Link to v1: https://lore.kernel.org/r/20241205-hsmci-v1-1-5a25e622dfed@microchip.com
> ---
>  .../devicetree/bindings/mmc/atmel,hsmci.yaml       | 110 +++++++++++++++++++++
>  .../devicetree/bindings/mmc/atmel-hsmci.txt        |  73 --------------
>  2 files changed, 110 insertions(+), 73 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/atmel,hsmci.yaml b/Documentation/devicetree/bindings/mmc/atmel,hsmci.yaml
> new file mode 100644
> index 000000000000..26686ada6288
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/atmel,hsmci.yaml
> @@ -0,0 +1,110 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mmc/atmel,hsmci.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Atmel High-Speed MultiMedia Card Interface (HSMCI)
> +
> +description:
> +  The Atmel HSMCI controller provides an interface for MMC, SD, and SDIO memory
> +  cards.
> +
> +maintainers:
> +  - Nicolas Ferre <nicolas.ferre@...rochip.com>
> +  - Aubin Constans <aubin.constans@...rochip.com>
> +
> +allOf:
> +  - $ref: mmc-controller.yaml
> +
> +properties:
> +  compatible:
> +    const: atmel,hsmci
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  dmas:
> +    maxItems: 1
> +
> +  dma-names:
> +    const: rxtx
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    const: mci_clk
> +
> +  "#address-cells":
> +    const: 1
> +    description: Used for slot IDs.
> +
> +  "#size-cells":
> +    const: 0
> +
> +patternProperties:
> +  "^slot@[0-9]+$":
> +    type: object
> +    description: A slot node representing an MMC, SD, or SDIO slot.

There's a schema for slots now queued for 6.14[1]. You should use that. 
One issue is 'compatible' is required. Either that would have to be 
dropped as required or you could just add it in your .dts files.

Rob