Re: [PATCH v3 1/3] dt-bindings: mmc: controller: move properties common with slot out to mmc-controller-common

[Rob Herring <robh@kernel.org>]

On Mon, Oct 07, 2024 at 04:03:37PM +0200, Neil Armstrong wrote:
> Move the common MMC "slot" properties because they are shared by the
> single-slot or multi-slot controllers, and will help defining a simple
> mmc-slot bindings document with proper slot properties and nodename.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
> ---
>  .../bindings/mmc/mmc-controller-common.yaml        | 357 +++++++++++++++++++++
>  .../devicetree/bindings/mmc/mmc-controller.yaml    | 344 +-------------------
>  2 files changed, 360 insertions(+), 341 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/mmc-controller-common.yaml b/Documentation/devicetree/bindings/mmc/mmc-controller-common.yaml
> new file mode 100644
> index 000000000000..e02d3cbcc271
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/mmc-controller-common.yaml
> @@ -0,0 +1,357 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mmc/mmc-controller-common.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MMC Controller & Slots Common Properties
> +
> +maintainers:
> +  - Ulf Hansson <ulf.hansson@linaro.org>
> +
> +description: |
> +  These properties are common to multiple MMC host controllers and the
> +  possible slots or ports for multi-slot controllers.
> +
> +properties:
> +  "#address-cells":
> +    const: 1
> +    description: |
> +      The cell is the slot ID if a function subnode is used.

Actually, this comment is wrong. When slot is used, this is still the 
cell size for the mmc bus.