[PATCH v4 09/10] dt-bindings: firmware: add arm,ras-cper

[Krzysztof Kozlowski]

On 18/05/2026 13:57, Ahmed Tiba wrote:
> Describe the DeviceTree node that exposes the Arm firmware-first
> CPER provider and hook the file into MAINTAINERS so the
> binding has an owner.
> 
> Signed-off-by: Ahmed Tiba <ahmed.tiba at arm.com>

Please implement previous comments.


> ---
>  .../devicetree/bindings/firmware/arm,ras-cper.yaml | 71 ++++++++++++++++++++++
>  MAINTAINERS                                        |  5 ++
>  2 files changed, 76 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/firmware/arm,ras-cper.yaml b/Documentation/devicetree/bindings/firmware/arm,ras-cper.yaml
> new file mode 100644
> index 000000000000..81dc37390af5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/firmware/arm,ras-cper.yaml
> @@ -0,0 +1,71 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/firmware/arm,ras-cper.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Arm RAS CPER provider
> +
> +maintainers:
> +  - Ahmed Tiba <ahmed.tiba at arm.com>
> +
> +description:
> +  Arm Reliability, Availability and Serviceability (RAS) firmware can expose
> +  a firmware-first CPER error source directly via DeviceTree. Firmware
> +  provides the CPER Generic Error Status block and notifies the OS through
> +  an interrupt.
> +
> +properties:
> +  compatible:
> +    const: arm,ras-cper
> +
> +  memory-region:
> +    oneOf:
> +      - items:
> +          - description:
> +              CPER Generic Error Status block exposed by firmware
> +      - items:
> +          - description:
> +              CPER Generic Error Status block exposed by firmware.

Also, this is just a list with minItems. No need for oneOf.

Best regards,
Krzysztof