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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/ti,keystone-timer.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: TI Keystone timer
maintainers:
- Alexander A. Klimov <grandmaster@al2klimov.de>
- Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
description: >
A 64-bit timer in the KeyStone architecture devices. The timer can be
configured as a general-purpose 64-bit timer, dual general-purpose 32-bit
timers. When configured as dual 32-bit timers, each half can operate in
conjunction (chain mode) or independently (unchained mode) of each other.
It is global timer is a free running up-counter and can generate interrupt
when the counter reaches preset counter values.
Documentation:
https://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf
properties:
compatible:
const: ti,keystone-timer
reg:
maxItems: 1
interrupts:
maxItems: 1
interrupt-names:
items:
- const: irq
clocks:
maxItems: 1
clock-names:
items:
- const: timer
required:
- compatible
- reg
- interrupts
- clocks
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
timer@22f0000 {
compatible = "ti,keystone-timer";
reg = <0x022f0000 0x80>;
interrupts = <110 IRQ_TYPE_EDGE_RISING>;
clocks = <&clktimer15>;
};
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