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

From: Rob Herring
Date: Mon Oct 07 2024 - 16:02:41 EST


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@xxxxxxxxxx>
> ---
> .../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@xxxxxxxxxx>
> +
> +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.