Re: [PATCH v2 1/5] dt-bindings: mips: Document mti,mips-cm

From: Rob Herring
Date: Thu Jan 16 2025 - 10:31:20 EST


On Thu, Jan 16, 2025 at 11:59:19AM +0100, Gregory CLEMENT wrote:
> From: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
>
> Add devicetree binding documentation for MIPS Coherence Manager.
>
> Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
> Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx>
> ---
> .../devicetree/bindings/mips/mti,mips-cm.yaml | 38 ++++++++++++++++++++++
> 1 file changed, 38 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mips/mti,mips-cm.yaml b/Documentation/devicetree/bindings/mips/mti,mips-cm.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..9f500804737d23e19f50a9326168686c05d3a54e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mips/mti,mips-cm.yaml
> @@ -0,0 +1,38 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mips/mti,mips-cm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MIPS Coherence Manager
> +
> +description: |

Don't need '|'.

> + Defines a location of the MIPS Coherence Manager registers.

Say what the h/w block does.

> +
> +maintainers:
> + - Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
> +
> +properties:
> + compatible:
> + const: mti,mips-cm

Convince me a genericish compatible is okay here.

> +
> + reg:
> + description:
> + Base address and size of an unoccupied region in system's MMIO address
> + space, which will be used to map the MIPS CM global control registers
> + block. It is conventionally decided by the system integrator.

What is decided? The address? That's not relevant.

> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + coherency-manager@1fbf8000 {
> + compatible = "mti,mips-cm";
> + reg = <0x1bde8000 0x8000>;
> + };
> +...
>
> --
> 2.45.2
>