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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/timer/renesas,ostm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas OS Timer (OSTM)
maintainers:
- Chris Brandt <chris.brandt@renesas.com>
- Geert Uytterhoeven <geert+renesas@glider.be>
description:
The OSTM is a multi-channel 32-bit timer/counter with fixed clock source that
can operate in either interval count down timer or free-running compare match
mode.
Channels are independent from each other.
properties:
compatible:
items:
- enum:
- renesas,r7s72100-ostm # RZ/A1H
- renesas,r7s9210-ostm # RZ/A2M
- renesas,r9a07g043-ostm # RZ/G2UL and RZ/Five
- renesas,r9a07g044-ostm # RZ/G2{L,LC}
- renesas,r9a07g054-ostm # RZ/V2L
- const: renesas,ostm # Generic
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
power-domains:
maxItems: 1
resets:
maxItems: 1
required:
- compatible
- reg
- interrupts
- clocks
- power-domains
if:
properties:
compatible:
contains:
enum:
- renesas,r9a07g043-ostm
- renesas,r9a07g044-ostm
- renesas,r9a07g054-ostm
then:
required:
- resets
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/r7s72100-clock.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
ostm0: timer@fcfec000 {
compatible = "renesas,r7s72100-ostm", "renesas,ostm";
reg = <0xfcfec000 0x30>;
interrupts = <GIC_SPI 102 IRQ_TYPE_EDGE_RISING>;
clocks = <&mstp5_clks R7S72100_CLK_OSTM0>;
power-domains = <&cpg_clocks>;
};
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