Re: [RFC PATCH v2 1/2] dt-bindings: soc: renesas: r9a07g043f-l2-cache: Add DT binding documentation for L2 cache controller

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Hi Prabhakar,

On Tue, Oct 4, 2022 at 12:32 AM Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
>
> Add DT binding documentation for L2 cache controller found on RZ/Five SoC.
>
> The Renesas RZ/Five microprocessor includes a RISC-V CPU Core (AX45MP
> Single) from Andes. The AX45MP core has an L2 cache controller, this patch
> describes the L2 cache block.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Thanks for your patch!

> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/renesas/r9a07g043f-l2-cache.yaml

Not andestech,ax45mp-cache.yaml?

> @@ -0,0 +1,82 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright (C) 2022 Renesas Electronics Corp.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/renesas/r9a07g043f-l2-cache.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: SiFive L2 Cache Controller

Andestech AX45MP?

> +
> +maintainers:
> +  - Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> +
> +description:
> +  A level-2 cache (L2C) is used to improve the system performance by providing
> +  a larger amount of cache line entries and reasonable access delays. The L2C
> +  is shared between cores, and a non-inclusive non-exclusive policy is used.
> +
> +properties:
> +  compatible:
> +    items:
> +      - const: andestech,ax45mp-cache
> +      - const: cache

This makes the schema apply to any node which is compatible with
"cache", cfr. the report from Rob's bot.

You need a select block to avoid that, cfr.
Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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