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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/timer/econet,en751221-timer.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: EcoNet EN751221 High Precision Timer (HPT)
maintainers:
- Caleb James DeLisle <cjd@cjdns.fr>
description:
The EcoNet High Precision Timer (HPT) is a timer peripheral found in various
EcoNet SoCs, including the EN751221 and EN751627 families. It provides per-VPE
count/compare registers and a per-CPU control register, with a single interrupt
line using a percpu-devid interrupt mechanism.
properties:
compatible:
oneOf:
- const: econet,en751221-timer
- items:
- const: econet,en751627-timer
- const: econet,en751221-timer
reg:
minItems: 1
maxItems: 2
interrupts:
maxItems: 1
description: A percpu-devid timer interrupt shared across CPUs.
clocks:
maxItems: 1
required:
- compatible
- reg
- interrupts
- clocks
allOf:
- if:
properties:
compatible:
contains:
const: econet,en751627-timer
then:
properties:
reg:
items:
- description: VPE timers 0 and 1
- description: VPE timers 2 and 3
else:
properties:
reg:
items:
- description: VPE timers 0 and 1
additionalProperties: false
examples:
- |
timer@1fbf0400 {
compatible = "econet,en751627-timer", "econet,en751221-timer";
reg = <0x1fbf0400 0x100>, <0x1fbe0000 0x100>;
interrupt-parent = <&intc>;
interrupts = <30>;
clocks = <&hpt_clock>;
};
- |
timer@1fbf0400 {
compatible = "econet,en751221-timer";
reg = <0x1fbe0400 0x100>;
interrupt-parent = <&intc>;
interrupts = <30>;
clocks = <&hpt_clock>;
};
...
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