Subject: Re: [PATCH v3 02/10] bindings: ipmi: Add binding for IPMB device intf

From: Rob Herring <[email-masked]>
Date: Fri, 10 Jan 2025 10:07:13 -0600

On Wed, Jan 08, 2025 at 10:36:30AM -0600, Ninad Palsule wrote:
> Add device tree binding document for the IPMB device interface.
> This device is already in use in both driver and .dts files.
> 
> Signed-off-by: Ninad Palsule <[email-masked]>
> ---
>  .../devicetree/bindings/ipmi/ipmb-dev.yaml    | 44 +++++++++++++++++++
>  1 file changed, 44 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/ipmi/ipmb-dev.yaml
> 
> diff --git a/Documentation/devicetree/bindings/ipmi/ipmb-dev.yaml b/Documentation/devicetree/bindings/ipmi/ipmb-dev.yaml
> new file mode 100644
> index 000000000000..a8f46f1b883e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/ipmi/ipmb-dev.yaml
> @@ -0,0 +1,44 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/ipmi/ipmb-dev.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: IPMB Device
> +
> +description: IPMB Device interface to receive request and send response

IPMB is not defined anywhere.

Which side of the interface does this apply to? How do I know if I have 
an ipmb-dev?

This document needs to stand on its own. Bindings exist in a standalone 
tree without kernel drivers or docs.

> +
> +maintainers:
> +  - Ninad Palsule <[email-masked]>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ipmb-dev
> +
> +  reg:
> +    maxItems: 1
> +
> +  i2c-protocol:
> +    description:
> +      Use I2C block transfer instead of SMBUS block transfer.
> +    type: boolean
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        ipmb-dev@10 {
> +            compatible = "ipmb-dev";
> +            reg = <0x10>;
> +            i2c-protocol;
> +        };
> +    };
> -- 
> 2.43.0
>