2023-08-30 17:31:07 +02:00
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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# Copyright 2018 Linaro Ltd.
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%YAML 1.2
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---
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2023-10-24 12:59:35 +02:00
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$id: http://devicetree.org/schemas/net/intel,ixp46x-ptp-timer.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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2023-08-30 17:31:07 +02:00
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title: Intel IXP46x PTP Timer (TSYNC)
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maintainers:
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- Linus Walleij <linus.walleij@linaro.org>
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description: |
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The Intel IXP46x PTP timer is known in the manual as IEEE1588 Hardware
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Assist and Time Synchronization Hardware Assist TSYNC provides a PTP
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timer. It exists in the Intel IXP45x and IXP46x XScale SoCs.
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properties:
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compatible:
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const: intel,ixp46x-ptp-timer
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reg:
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maxItems: 1
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interrupts:
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items:
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- description: Interrupt to trigger master mode snapshot from the
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PRP timer, usually a GPIO interrupt.
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- description: Interrupt to trigger slave mode snapshot from the
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PRP timer, usually a GPIO interrupt.
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interrupt-names:
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items:
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- const: master
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- const: slave
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required:
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- compatible
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- reg
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- interrupts
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- interrupt-names
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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ptp-timer@c8010000 {
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compatible = "intel,ixp46x-ptp-timer";
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reg = <0xc8010000 0x1000>;
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interrupt-parent = <&gpio0>;
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interrupts = <8 IRQ_TYPE_EDGE_FALLING>, <7 IRQ_TYPE_EDGE_FALLING>;
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interrupt-names = "master", "slave";
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};
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