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dt-bindings: timer: Convert fsl,gtm to YAML
Convert fsl,gtm.txt to YAML so that device trees using a Freescale
General-purpose Timers Module can be properly validated.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
Link: https://lore.kernel.org/r/20250412-gtm-yaml-v2-1-e4d2292ffefc@posteo.net
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
authored by
J. Neuschäfer
and committed by
Daniel Lezcano
eb7bc692
b8239054
+83
-30
-30
Documentation/devicetree/bindings/timer/fsl,gtm.txt
-30
Documentation/devicetree/bindings/timer/fsl,gtm.txt
···
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* Freescale General-purpose Timers Module
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Required properties:
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- compatible : should be
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"fsl,<chip>-gtm", "fsl,gtm" for SOC GTMs
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"fsl,<chip>-qe-gtm", "fsl,qe-gtm", "fsl,gtm" for QE GTMs
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"fsl,<chip>-cpm2-gtm", "fsl,cpm2-gtm", "fsl,gtm" for CPM2 GTMs
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- reg : should contain gtm registers location and length (0x40).
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- interrupts : should contain four interrupts.
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- clock-frequency : specifies the frequency driving the timer.
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Example:
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timer@500 {
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compatible = "fsl,mpc8360-gtm", "fsl,gtm";
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reg = <0x500 0x40>;
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interrupts = <90 8 78 8 84 8 72 8>;
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interrupt-parent = <&ipic>;
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/* filled by u-boot */
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clock-frequency = <0>;
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};
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timer@440 {
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compatible = "fsl,mpc8360-qe-gtm", "fsl,qe-gtm", "fsl,gtm";
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reg = <0x440 0x40>;
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interrupts = <12 13 14 15>;
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interrupt-parent = <&qeic>;
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/* filled by u-boot */
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clock-frequency = <0>;
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};
+83
Documentation/devicetree/bindings/timer/fsl,gtm.yaml
+83
Documentation/devicetree/bindings/timer/fsl,gtm.yaml
···
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/timer/fsl,gtm.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Freescale General-purpose Timers Module
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maintainers:
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- J. Neuschäfer <j.ne@posteo.net>
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properties:
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compatible:
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oneOf:
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# for SoC GTMs
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- items:
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- enum:
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- fsl,mpc8308-gtm
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- fsl,mpc8313-gtm
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- fsl,mpc8315-gtm
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- fsl,mpc8360-gtm
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- const: fsl,gtm
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# for QE GTMs
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- items:
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- enum:
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- fsl,mpc8360-qe-gtm
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- fsl,mpc8569-qe-gtm
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- const: fsl,qe-gtm
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- const: fsl,gtm
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# for CPM2 GTMs (no known examples)
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- items:
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# - enum:
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# - fsl,<chip>-cpm2-gtm
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- const: fsl,cpm2-gtm
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- const: fsl,gtm
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reg:
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maxItems: 1
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interrupts:
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items:
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- description: Interrupt for timer 1 (e.g. GTM1 or GTM5)
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- description: Interrupt for timer 2 (e.g. GTM2 or GTM6)
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- description: Interrupt for timer 3 (e.g. GTM3 or GTM7)
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- description: Interrupt for timer 4 (e.g. GTM4 or GTM8)
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clock-frequency: true
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required:
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- compatible
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- reg
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- interrupts
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- clock-frequency
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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timer@500 {
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compatible = "fsl,mpc8360-gtm", "fsl,gtm";
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reg = <0x500 0x40>;
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interrupts = <90 IRQ_TYPE_LEVEL_LOW>,
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<78 IRQ_TYPE_LEVEL_LOW>,
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<84 IRQ_TYPE_LEVEL_LOW>,
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<72 IRQ_TYPE_LEVEL_LOW>;
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/* filled by u-boot */
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clock-frequency = <0>;
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};
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- |
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timer@440 {
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compatible = "fsl,mpc8360-qe-gtm", "fsl,qe-gtm", "fsl,gtm";
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reg = <0x440 0x40>;
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interrupts = <12>, <13>, <14>, <15>;
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/* filled by u-boot */
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clock-frequency = <0>;
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};
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...