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# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
$id: http://devicetree.org/schemas/timer/snps,dw-apb-timer.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Synopsys DesignWare APB Timer
maintainers:
- Daniel Lezcano <daniel.lezcano@linaro.org>
properties:
compatible:
oneOf:
- const: snps,dw-apb-timer
- enum:
- snps,dw-apb-timer-sp
- snps,dw-apb-timer-osc
deprecated: true
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
minItems: 1
items:
- description: Timer ticks reference clock source
- description: APB interface clock source
clock-names:
minItems: 1
items:
- const: timer
- const: pclk
clock-frequency: true
clock-freq:
$ref: "/schemas/types.yaml#/definitions/uint32"
description: |
Has the same meaning as the 'clock-frequency' property - timer clock
frequency in HZ, but is defined only for the backwards compatibility
with the picoxcell platform.
additionalProperties: false
required:
- compatible
- reg
- interrupts
oneOf:
- required:
- clocks
- clock-names
- required:
- clock-frequency
- required:
- clock-freq
examples:
- |
timer@ffe00000 {
compatible = "snps,dw-apb-timer";
interrupts = <0 170 4>;
reg = <0xffe00000 0x1000>;
clocks = <&timer_clk>, <&timer_pclk>;
clock-names = "timer", "pclk";
};
- |
timer@ffe00000 {
compatible = "snps,dw-apb-timer";
interrupts = <0 170 4>;
reg = <0xffe00000 0x1000>;
clocks = <&timer_clk>;
clock-names = "timer";
};
- |
timer@ffe00000 {
compatible = "snps,dw-apb-timer";
interrupts = <0 170 4>;
reg = <0xffe00000 0x1000>;
clock-frequency = <25000000>;
};
...
|
