linux-kernel - Re: [PATCH v2 2/3] dt-bindings: mmc: document mmc-slot

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Message-ID: <20240924203006.GA283611-robh@kernel.org>
Date: Tue, 24 Sep 2024 15:30:06 -0500
From: Rob Herring <robh@...nel.org>
To: Neil Armstrong <neil.armstrong@...aro.org>
Cc: Ulf Hansson <ulf.hansson@...aro.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Kevin Hilman <khilman@...libre.com>,
	Jerome Brunet <jbrunet@...libre.com>,
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
	linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/3] dt-bindings: mmc: document mmc-slot

On Fri, Sep 20, 2024 at 10:38:04AM +0200, Neil Armstrong wrote:
> Document the mmc-slot, which is a subnode of a multi-slot
> MMC controlle, each slot is represented as a full MMC controller,
> the top node handling all the shared resources and slot mux.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---
>  .../devicetree/bindings/mmc/mmc-slot.yaml          | 40 ++++++++++++++++++++++
>  1 file changed, 40 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/mmc-slot.yaml b/Documentation/devicetree/bindings/mmc/mmc-slot.yaml
> new file mode 100644
> index 000000000000..c30eda4fd2a6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/mmc-slot.yaml
> @@ -0,0 +1,40 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mmc/mmc-slot.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MMC/SD/SDIO slot of a multi-slot controller
> +
> +maintainers:
> +  - Ulf Hansson <ulf.hansson@...aro.org>
> +
> +allOf:
> +  - $ref: mmc-controller.yaml
> +
> +properties:
> +  compatible:
> +    const: mmc-slot
> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    mmc-controller {

mmc {

> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +      slot@0 {
> +        compatible = "mmc-slot";
> +        reg = <0>;
> +        bus-width = <4>;
> +      };
> +    };
> +
> +...
> 
> -- 
> 2.34.1
>