Re: [PATCH 03/13] dt-bindings: mmc: vt8500-sdmmc: Convert to YAML

[Rob Herring <robh@kernel.org>]

On Wed, Apr 16, 2025 at 12:21:28PM +0400, Alexey Charkov wrote:
> Rewrite the textual description for the WonderMedia SDMMC controller
> as YAML schema, and switch the filename to follow the compatible
> string.
> 
> Signed-off-by: Alexey Charkov <alchark@gmail.com>
> ---
>  .../devicetree/bindings/mmc/vt8500-sdmmc.txt       | 23 --------
>  .../devicetree/bindings/mmc/wm,wm8505-sdhc.yaml    | 61 ++++++++++++++++++++++
>  MAINTAINERS                                        |  1 +
>  3 files changed, 62 insertions(+), 23 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/vt8500-sdmmc.txt b/Documentation/devicetree/bindings/mmc/vt8500-sdmmc.txt
> deleted file mode 100644
> index d7fb6abb3eb8c87e698ca4f30270c949878f3cbf..0000000000000000000000000000000000000000
> --- a/Documentation/devicetree/bindings/mmc/vt8500-sdmmc.txt
> +++ /dev/null
> @@ -1,23 +0,0 @@
> -* Wondermedia WM8505/WM8650 SD/MMC Host Controller
> -
> -This file documents differences between the core properties described
> -by mmc.txt and the properties used by the wmt-sdmmc driver.
> -
> -Required properties:
> -- compatible: Should be "wm,wm8505-sdhc".
> -- interrupts: Two interrupts are required - regular irq and dma irq.
> -
> -Optional properties:
> -- sdon-inverted: SD_ON bit is inverted on the controller
> -
> -Examples:
> -
> -sdhc@d800a000 {
> -	compatible = "wm,wm8505-sdhc";
> -	reg = <0xd800a000 0x1000>;
> -	interrupts = <20 21>;
> -	clocks = <&sdhc>;
> -	bus-width = <4>;
> -	sdon-inverted;
> -};
> -
> diff --git a/Documentation/devicetree/bindings/mmc/wm,wm8505-sdhc.yaml b/Documentation/devicetree/bindings/mmc/wm,wm8505-sdhc.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..a7d962bc13c7ff70b50448201b0416efc7f787af
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/wm,wm8505-sdhc.yaml
> @@ -0,0 +1,61 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mmc/wm,wm8505-sdhc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: WonderMedia SOC SoC SDHCI Controller
> +
> +maintainers:
> +  - Alexey Charkov <alchark@gmail.com>
> +
> +allOf:
> +  - $ref: mmc-controller.yaml#
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - const: wm,wm8505-sdhc
> +      - items:
> +          - const: wm,wm8650-sdhc
> +          - const: wm,wm8505-sdhc
> +      - items:
> +          - const: wm,wm8750-sdhc
> +          - const: wm,wm8505-sdhc
> +      - items:
> +          - const: wm,wm8850-sdhc
> +          - const: wm,wm8505-sdhc

Combine the last 3 entries into 1 using 'enum' for the 1st compatible.

> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  interrupts:
> +    items:
> +      - description: SDMMC controller interrupt
> +      - description: SDMMC controller DMA interrupt
> +
> +  sdon-inverted:
> +    type: boolean
> +    description: SD_ON bit is inverted on the controller

This implies I know what the non-inverted state is. If you know, please 
state that here.

> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    mmc@d800a000 {
> +        compatible = "wm,wm8505-sdhc";
> +        reg = <0xd800a000 0x1000>;
> +        interrupts = <20>, <21>;
> +        clocks = <&sdhc>;
> +        bus-width = <4>;
> +        sdon-inverted;
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 2444282096e03b301ed0e3209b4de7a114709764..f106850b9d3d349d82953b672588b967a37ea27b 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -3429,6 +3429,7 @@ L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
>  S:	Odd Fixes
>  F:	Documentation/devicetree/bindings/i2c/wm,wm8505-i2c.yaml
>  F:	Documentation/devicetree/bindings/interrupt-controller/via,vt8500-intc.yaml
> +F:	Documentation/devicetree/bindings/mmc/wm,wm8505-sdhc.yaml
>  F:	arch/arm/boot/dts/vt8500/
>  F:	arch/arm/mach-vt8500/
>  F:	drivers/clocksource/timer-vt8500.c
> 
> -- 
> 2.49.0
>