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dt-bindings: timer: Convert img,pistachio-gptimer to DT schema

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Convert the ImgTec Pistachio Timer binding to DT schema format. It's a
straight-forward conversion.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250506022249.2587839-1-robh@kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This commit is contained in:
Rob Herring (Arm) 2025-05-05 21:22:48 -05:00 committed by Daniel Lezcano
parent 2b3b58f233
commit e7ddb13fa6
2 changed files with 69 additions and 28 deletions
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28
Documentation/devicetree/bindings/timer/img,pistachio-gptimer.txt
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* Pistachio general-purpose timer based clocksource
Required properties:
- compatible: "img,pistachio-gptimer".
- reg: Address range of the timer registers.
- interrupts: An interrupt for each of the four timers
- clocks: Should contain a clock specifier for each entry in clock-names
- clock-names: Should contain the following entries:
"sys", interface clock
"slow", slow counter clock
"fast", fast counter clock
- img,cr-periph: Must contain a phandle to the peripheral control
syscon node.
Example:
timer: timer@18102000 {
compatible = "img,pistachio-gptimer";
reg = <0x18102000 0x100>;
interrupts = <GIC_SHARED 60 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SHARED 61 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SHARED 62 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SHARED 63 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk_periph PERIPH_CLK_COUNTER_FAST>,
<&clk_periph PERIPH_CLK_COUNTER_SLOW>,
<&cr_periph SYS_CLK_TIMER>;
clock-names = "fast", "slow", "sys";
img,cr-periph = <&cr_periph>;
};

69
Documentation/devicetree/bindings/timer/img,pistachio-gptimer.yaml Normal file
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/img,pistachio-gptimer.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Pistachio general-purpose timer
maintainers:
- Ezequiel Garcia <ezequiel.garcia@imgtec.com>
properties:
compatible:
const: img,pistachio-gptimer
reg:
maxItems: 1
interrupts:
items:
- description: Timer0 interrupt
- description: Timer1 interrupt
- description: Timer2 interrupt
- description: Timer3 interrupt
clocks:
items:
- description: Fast counter clock
- description: Slow counter clock
- description: Interface clock
clock-names:
items:
- const: fast
- const: slow
- const: sys
img,cr-periph:
description: Peripheral control syscon phandle
$ref: /schemas/types.yaml#/definitions/phandle
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- img,cr-periph
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/mips-gic.h>
#include <dt-bindings/clock/pistachio-clk.h>
timer@18102000 {
compatible = "img,pistachio-gptimer";
reg = <0x18102000 0x100>;
interrupts = <GIC_SHARED 60 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SHARED 61 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SHARED 62 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SHARED 63 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk_periph PERIPH_CLK_COUNTER_FAST>,
<&clk_periph PERIPH_CLK_COUNTER_SLOW>,
<&cr_periph SYS_CLK_TIMER>;
clock-names = "fast", "slow", "sys";
img,cr-periph = <&cr_periph>;
};