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