linux-kernel - Re: [PATCH] dt-bindings: timer: Convert fsl,gtm to DT schema

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Message-ID: <aCWnsIpMal8_m9Y8@mai.linaro.org>
Date: Thu, 15 May 2025 10:37:04 +0200
From: Daniel Lezcano <daniel.lezcano@...aro.org>
To: "Rob Herring (Arm)" <robh@...nel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: timer: Convert fsl,gtm to DT schema

On Mon, May 05, 2025 at 09:22:43PM -0500, Rob Herring wrote:
> Convert the Freescale General Purpose Timer binding to DT schema format.
> Add the specific compatibles in use. Drop the "fsl,cpm2-gtm" compatible
> which is not used. The examples are all similar, so just leave 1
> example.
> 
> Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
> ---

I'm not applying this one, it was already converted by patch:

https://lore.kernel.org/r/20250412-gtm-yaml-v2-1-e4d2292ffefc@posteo.net

>  .../devicetree/bindings/timer/fsl,gtm.txt     | 30 ----------
>  .../devicetree/bindings/timer/fsl,gtm.yaml    | 55 +++++++++++++++++++
>  2 files changed, 55 insertions(+), 30 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/timer/fsl,gtm.txt
>  create mode 100644 Documentation/devicetree/bindings/timer/fsl,gtm.yaml
> 
> diff --git a/Documentation/devicetree/bindings/timer/fsl,gtm.txt b/Documentation/devicetree/bindings/timer/fsl,gtm.txt
> deleted file mode 100644
> index fc1c571f7412..000000000000
> --- a/Documentation/devicetree/bindings/timer/fsl,gtm.txt
> +++ /dev/null
> @@ -1,30 +0,0 @@
> -* Freescale General-purpose Timers Module
> -
> -Required properties:
> -  - compatible : should be
> -    "fsl,<chip>-gtm", "fsl,gtm" for SOC GTMs
> -    "fsl,<chip>-qe-gtm", "fsl,qe-gtm", "fsl,gtm" for QE GTMs
> -    "fsl,<chip>-cpm2-gtm", "fsl,cpm2-gtm", "fsl,gtm" for CPM2 GTMs
> -  - reg : should contain gtm registers location and length (0x40).
> -  - interrupts : should contain four interrupts.
> -  - clock-frequency : specifies the frequency driving the timer.
> -
> -Example:
> -
> -timer@500 {
> -	compatible = "fsl,mpc8360-gtm", "fsl,gtm";
> -	reg = <0x500 0x40>;
> -	interrupts = <90 8 78 8 84 8 72 8>;
> -	interrupt-parent = <&ipic>;
> -	/* filled by u-boot */
> -	clock-frequency = <0>;
> -};
> -
> -timer@440 {
> -	compatible = "fsl,mpc8360-qe-gtm", "fsl,qe-gtm", "fsl,gtm";
> -	reg = <0x440 0x40>;
> -	interrupts = <12 13 14 15>;
> -	interrupt-parent = <&qeic>;
> -	/* filled by u-boot */
> -	clock-frequency = <0>;
> -};
> diff --git a/Documentation/devicetree/bindings/timer/fsl,gtm.yaml b/Documentation/devicetree/bindings/timer/fsl,gtm.yaml
> new file mode 100644
> index 000000000000..31d8534ac868
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/timer/fsl,gtm.yaml
> @@ -0,0 +1,55 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/timer/fsl,gtm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale General-purpose Timers Module
> +
> +maintainers:
> +  - Rob Herring <robh@...nel.org>
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - enum:
> +              - fsl,mpc8308-gtm
> +              - fsl,mpc8313-gtm
> +              - fsl,mpc8315-gtm
> +          - const: fsl,gtm
> +      - items:
> +          - enum:
> +              - fsl,mpc8569-qe-gtm
> +              - fsl,mpc8360-qe-gtm
> +          - const: fsl,qe-gtm
> +          - const: fsl,gtm
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 4
> +    description:
> +      One interrupt for each timer
> +
> +  clock-frequency:
> +    description: Specifies the frequency driving the timer.
> +    default: 0
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clock-frequency
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    timer@440 {
> +        compatible = "fsl,mpc8360-qe-gtm", "fsl,qe-gtm", "fsl,gtm";
> +        reg = <0x440 0x40>;
> +        interrupts = <12>, <13>, <14>, <15>;
> +        clock-frequency = <0>;
> +    };
> -- 
> 2.47.2
> 

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