linux-kernel - Re: [PATCH] dt-bindings: perf: Convert Arm CCN to DT schema

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Message-ID: <fe0b1e13-ecea-deb4-d9d2-df2ff1452fb7@arm.com>
Date:   Mon, 13 Jun 2022 16:01:26 +0100
From:   Robin Murphy <robin.murphy@....com>
To:     Rob Herring <robh@...nel.org>, Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: perf: Convert Arm CCN to DT schema

On 2022-06-13 15:55, Rob Herring wrote:
> Convert the Arm CCN performance monitors binding to DT schema format.
> 
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
>   .../devicetree/bindings/perf/arm,ccn.yaml     | 40 +++++++++++++++++++
>   .../devicetree/bindings/perf/arm-ccn.txt      | 23 -----------
>   2 files changed, 40 insertions(+), 23 deletions(-)
>   create mode 100644 Documentation/devicetree/bindings/perf/arm,ccn.yaml
>   delete mode 100644 Documentation/devicetree/bindings/perf/arm-ccn.txt
> 
> diff --git a/Documentation/devicetree/bindings/perf/arm,ccn.yaml b/Documentation/devicetree/bindings/perf/arm,ccn.yaml
> new file mode 100644
> index 000000000000..0b0bb2091016
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/perf/arm,ccn.yaml
> @@ -0,0 +1,40 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/perf/arm,ccn.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ARM CCN (Cache Coherent Network) Performance Monitors
> +
> +maintainers:
> +  - Robin Murphy <robin.murphy@....com>

Oh go on then, why not...

Acked-by: Robin Murphy <robin.murphy@....com>

> +
> +properties:
> +  compatible:
> +    enum:
> +      - arm,ccn-502
> +      - arm,ccn-504
> +      - arm,ccn-508
> +      - arm,ccn-512
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    ccn@...00000 {
> +        compatible = "arm,ccn-504";
> +        reg = <0x20000000 0x1000000>;
> +        interrupts = <0 181 4>;
> +    };
> +...
> diff --git a/Documentation/devicetree/bindings/perf/arm-ccn.txt b/Documentation/devicetree/bindings/perf/arm-ccn.txt
> deleted file mode 100644
> index 1c53b5aa3317..000000000000
> --- a/Documentation/devicetree/bindings/perf/arm-ccn.txt
> +++ /dev/null
> @@ -1,23 +0,0 @@
> -* ARM CCN (Cache Coherent Network)
> -
> -Required properties:
> -
> -- compatible: (standard compatible string) should be one of:
> -	"arm,ccn-502"
> -	"arm,ccn-504"
> -	"arm,ccn-508"
> -	"arm,ccn-512"
> -
> -- reg: (standard registers property) physical address and size
> -	(16MB) of the configuration registers block
> -
> -- interrupts: (standard interrupt property) single interrupt
> -	generated by the control block
> -
> -Example:
> -
> -	ccn@...0000000 {
> -		compatible = "arm,ccn-504";
> -		reg = <0x20 0x00000000 0 0x1000000>;
> -		interrupts = <0 181 4>;
> -	};