Re: [PATCH v2 12/12] dt-bindings: arm: bcm: Convert BCM2835 firmware binding to YAML

[Rob Herring]

On Tue, Feb 04, 2020 at 03:55:52PM -0800, Florian Fainelli wrote:
> Convert the Raspberry Pi BCM2835 firmware binding document to YAML.
> Verified with dt_binding_check and dtbs_check.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
> ---
>  .../arm/bcm/raspberrypi,bcm2835-firmware.txt  | 14 --------
>  .../arm/bcm/raspberrypi,bcm2835-firmware.yaml | 33 +++++++++++++++++++
>  2 files changed, 33 insertions(+), 14 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.txt
>  create mode 100644 Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml
> 
> diff --git a/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.txt b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.txt
> deleted file mode 100644
> index 6824b3180ffb..000000000000
> --- a/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.txt
> +++ /dev/null
> @@ -1,14 +0,0 @@
> -Raspberry Pi VideoCore firmware driver
> -
> -Required properties:
> -
> -- compatible:		Should be "raspberrypi,bcm2835-firmware"
> -- mboxes:		Phandle to the firmware device's Mailbox.
> -			  (See: ../mailbox/mailbox.txt for more information)
> -
> -Example:
> -
> -firmware {
> -	compatible = "raspberrypi,bcm2835-firmware";
> -	mboxes = <&mailbox>;
> -};
> diff --git a/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml
> new file mode 100644
> index 000000000000..db355d970f2b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml
> @@ -0,0 +1,33 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/bcm/raspberrypi,bcm2835-firmware.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Raspberry Pi VideoCore firmware driver
> +
> +maintainers:
> +  - Eric Anholt <eric@xxxxxxxxxx>
> +  - Stefan Wahren <wahrenst@xxxxxxx>
> +
> +properties:
> +  compatible:
> +    const: raspberrypi,bcm2835-firmware simple-bus
                                          ^

I need to check for spaces with the meta-schema...

> +
> +  mboxes:
> +    $ref: '/schemas/types.yaml#/definitions/phandle'

Already has a type, just need to define how many items and what they are 
if more than one.

> +    description: |
> +      Phandle to the firmware device's Mailbox.
> +      (See: ../mailbox/mailbox.txt for more information)

Drop this. That's every 'mboxes'.

> +
> +required:
> +  - compatible
> +  - mboxes
> +
> +examples:
> +  - |
> +    firmware {
> +        compatible = "raspberrypi,bcm2835-firmware";
> +        mboxes = <&mailbox>;
> +    };
> +...
> -- 
> 2.19.1
>