Re: [PATCH v2] dt-bindings: mmc: socionext,milbeaut-m10v-sdhci-3.0: convert to DT schema

[Ulf Hansson <ulf.hansson@linaro.org>]

On Mon, 27 Oct 2025 at 17:49, Charan Pedumuru <charan.pedumuru@gmail.com> wrote:
>
> Convert SOCIONEXT Milbeaut SDHCI controller binding to YAML format.
> Add a new property "voltage-ranges" to resolve dt_check errors.
>
> Signed-off-by: Charan Pedumuru <charan.pedumuru@gmail.com>

Applied for next, thanks!

Kind regards
Uffe


> ---
> Changes in v2:
> - Change the description for the property "voltage-ranges".
> - Link to v1: https://lore.kernel.org/r/20251023-milbeaut-v1-1-3e4ff67110ad@gmail.com
> ---
>  .../devicetree/bindings/mmc/sdhci-milbeaut.txt     | 30 --------
>  .../mmc/socionext,milbeaut-m10v-sdhci-3.0.yaml     | 79 ++++++++++++++++++++++
>  2 files changed, 79 insertions(+), 30 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/mmc/sdhci-milbeaut.txt b/Documentation/devicetree/bindings/mmc/sdhci-milbeaut.txt
> deleted file mode 100644
> index 627ee89c125b..000000000000
> --- a/Documentation/devicetree/bindings/mmc/sdhci-milbeaut.txt
> +++ /dev/null
> @@ -1,30 +0,0 @@
> -* SOCIONEXT Milbeaut SDHCI controller
> -
> -This file documents differences between the core properties in mmc.txt
> -and the properties used by the sdhci_milbeaut driver.
> -
> -Required properties:
> -- compatible: "socionext,milbeaut-m10v-sdhci-3.0"
> -- clocks: Must contain an entry for each entry in clock-names. It is a
> -  list of phandles and clock-specifier pairs.
> -  See ../clocks/clock-bindings.txt for details.
> -- clock-names: Should contain the following two entries:
> -       "iface" - clock used for sdhci interface
> -       "core"  - core clock for sdhci controller
> -
> -Optional properties:
> -- fujitsu,cmd-dat-delay-select: boolean property indicating that this host
> -  requires the CMD_DAT_DELAY control to be enabled.
> -
> -Example:
> -       sdhci3: mmc@1b010000 {
> -               compatible = "socionext,milbeaut-m10v-sdhci-3.0";
> -               reg = <0x1b010000 0x10000>;
> -               interrupts = <0 265 0x4>;
> -               voltage-ranges = <3300 3300>;
> -               bus-width = <4>;
> -               clocks = <&clk 7>, <&ahb_clk>;
> -               clock-names = "core", "iface";
> -               cap-sdio-irq;
> -               fujitsu,cmd-dat-delay-select;
> -       };
> diff --git a/Documentation/devicetree/bindings/mmc/socionext,milbeaut-m10v-sdhci-3.0.yaml b/Documentation/devicetree/bindings/mmc/socionext,milbeaut-m10v-sdhci-3.0.yaml
> new file mode 100644
> index 000000000000..2ba53626a959
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/socionext,milbeaut-m10v-sdhci-3.0.yaml
> @@ -0,0 +1,79 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mmc/socionext,milbeaut-m10v-sdhci-3.0.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: SOCIONEXT Milbeaut SDHCI controller
> +
> +maintainers:
> +  - Taichi Sugaya <sugaya.taichi@socionext.com>
> +  - Takao Orito <orito.takao@socionext.com>
> +
> +description:
> +  The SOCIONEXT Milbeaut SDHCI controller is a specialized SD Host
> +  Controller found in some of Socionext's Milbeaut image processing SoCs.
> +  It features a dedicated "bridge controller." This bridge controller
> +  implements special functions like reset control, clock management for
> +  various SDR modes (SDR12, SDR25, SDR50) and physical pin property settings.
> +
> +allOf:
> +  - $ref: sdhci-common.yaml#
> +
> +properties:
> +  compatible:
> +    const: socionext,milbeaut-m10v-sdhci-3.0
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 2
> +
> +  clock-names:
> +    items:
> +      - const: core
> +      - const: iface
> +
> +  fujitsu,cmd-dat-delay-select:
> +    description:
> +      Its presence indicates that the controller requires a specific command
> +      and data line delay selection mechanism for proper operation, particularly
> +      when dealing with high-speed SD/eMMC modes.
> +    type: boolean
> +
> +  voltage-ranges:
> +    $ref: /schemas/types.yaml#/definitions/uint32-matrix
> +    items:
> +      items:
> +        - description: minimum slot voltage (mV).
> +        - description: maximum slot voltage (mV).
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +  - clock-names
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    mmc@1b010000 {
> +        compatible = "socionext,milbeaut-m10v-sdhci-3.0";
> +        reg = <0x1b010000 0x10000>;
> +        interrupts = <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>;
> +        voltage-ranges = <3300 3300>;
> +        bus-width = <4>;
> +        clocks = <&clk 7>, <&ahb_clk>;
> +        clock-names = "core", "iface";
> +        cap-sdio-irq;
> +        fujitsu,cmd-dat-delay-select;
> +    };
> +...
>
> ---
> base-commit: 7bac2c97af4078d7a627500c9bcdd5b033f97718
> change-id: 20250524-milbeaut-5c0267202e2c
>
> Best regards,
> --
> Charan Pedumuru <charan.pedumuru@gmail.com>
>