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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/fixed-mmio-clock.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Binding for simple memory mapped IO fixed-rate clock sources
description:
This binding describes a fixed-rate clock for which the frequency can
be read from a single 32-bit memory mapped I/O register.
It was designed for test systems, like FPGA, not for complete,
finished SoCs.
maintainers:
- Jan Kotas <jank@cadence.com>
properties:
compatible:
const: fixed-mmio-clock
reg:
maxItems: 1
"#clock-cells":
const: 0
clock-output-names:
maxItems: 1
required:
- compatible
- reg
- "#clock-cells"
additionalProperties: false
examples:
- |
sysclock: sysclock@fd020004 {
compatible = "fixed-mmio-clock";
#clock-cells = <0>;
reg = <0xfd020004 0x4>;
clock-output-names = "sysclk";
};
...
|
