On Wed, 1 Sept 2021 at 11:19, Maxime Ripard wrote:
>
> MMC Cards can have an optional Device Tree binding to add
> non-discoverable properties.
>
> Now that we have the DT validation in place, let's convert the device
> tree bindings for that driver over to a YAML schema.
>
> Some of these properties were already described in the MMC controller
> binding, even though they are not generic and do not apply to any
> device, so we took the occasion to fix this.
>
> Cc: linux-...@vger.kernel.org
> Cc: Ulf Hansson
> Signed-off-by: Maxime Ripard
>
Queued for v5.16 on the temporary devel branch, thanks!
Kind regards
Uffe
> ---
>
> Changes from v1:
> - Fixed additionalProperties
> ---
> .../devicetree/bindings/mmc/mmc-card.txt | 30
> .../devicetree/bindings/mmc/mmc-card.yaml | 48 +++
> .../bindings/mmc/mmc-controller.yaml | 6 ---
> 3 files changed, 48 insertions(+), 36 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/mmc/mmc-card.txt
> create mode 100644 Documentation/devicetree/bindings/mmc/mmc-card.yaml
>
> diff --git a/Documentation/devicetree/bindings/mmc/mmc-card.txt
> b/Documentation/devicetree/bindings/mmc/mmc-card.txt
> deleted file mode 100644
> index 8d2d71758907..
> --- a/Documentation/devicetree/bindings/mmc/mmc-card.txt
> +++ /dev/null
> @@ -1,30 +0,0 @@
> -mmc-card / eMMC bindings
> -
> -
> -This documents describes the devicetree bindings for a mmc-host controller
> -child node describing a mmc-card / an eMMC, see "Use of Function subnodes"
> -in mmc.txt
> -
> -Required properties:
> --compatible : Must be "mmc-card"
> --reg: Must be <0>
> -
> -Optional properties:
> --broken-hpi : Use this to indicate that the mmc-card has a broken hpi
> - implementation, and that hpi should not be used
> -
> -Example:
> -
> - {
> - pinctrl-names = "default";
> - pinctrl-0 = <_pins_a>;
> - vmmc-supply = <_vcc3v3>;
> - bus-width = <8>;
> - non-removable;
> -
> - mmccard: mmccard@0 {
> - reg = <0>;
> - compatible = "mmc-card";
> - broken-hpi;
> - };
> -};
> diff --git a/Documentation/devicetree/bindings/mmc/mmc-card.yaml
> b/Documentation/devicetree/bindings/mmc/mmc-card.yaml
> new file mode 100644
> index ..b17d454442b3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/mmc-card.yaml
> @@ -0,0 +1,48 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mmc/mmc-card.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MMC Card / eMMC Generic Device Tree Bindings
> +
> +maintainers:
> + - Ulf Hansson
> +
> +description: |
> + This documents describes the devicetree bindings for a mmc-host controller
> + child node describing a mmc-card / an eMMC.
> +
> +properties:
> + compatible:
> +const: mmc-card
> +
> + reg:
> +const: 0
> +
> + broken-hpi:
> +$ref: /schemas/types.yaml#/definitions/flag
> +description:
> + Use this to indicate that the mmc-card has a broken hpi
> + implementation, and that hpi should not be used.
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> +mmc {
> +#address-cells = <1>;
> +#size-cells = <0>;
> +
> +card@0 {
> +compatible = "mmc-card";
> +reg = <0>;
> +broken-hpi;
> +};
> +};
> +
> +...
> diff --git a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
> b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
> index 25ac8e200970..513f3c8758aa 100644
> --- a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
> +++ b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
> @@ -333,12 +333,6 @@ patternProperties:
>subnode describes. A value of 0 denotes the memory SD
>function, values from 1 to 7 denote the SDIO functions.
>
> - broken-hpi:
> -$ref: /schemas/types.yaml#/definitions/flag
> -description:
> - Use this to indicate that the mmc-card has a broken hpi
> - implementation, and that hpi should not be used.
> -
> required:
>- reg
>
> --
> 2.31.1
>
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