1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 # Copyright 2018 Linaro Ltd.
5 $id: "http://devicetree.org/schemas/net/intel,ixp46x-ptp-timer.yaml#"
6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
8 title: Intel IXP46x PTP Timer (TSYNC)
11 - Linus Walleij <linus.walleij@linaro.org>
14 The Intel IXP46x PTP timer is known in the manual as IEEE1588 Hardware
15 Assist and Time Synchronization Hardware Assist TSYNC provides a PTP
16 timer. It exists in the Intel IXP45x and IXP46x XScale SoCs.
20 const: intel,ixp46x-ptp-timer
27 - description: Interrupt to trigger master mode snapshot from the
28 PRP timer, usually a GPIO interrupt.
29 - description: Interrupt to trigger slave mode snapshot from the
30 PRP timer, usually a GPIO interrupt.
43 additionalProperties: false
47 #include <dt-bindings/interrupt-controller/irq.h>
49 compatible = "intel,ixp46x-ptp-timer";
50 reg = <0xc8010000 0x1000>;
51 interrupt-parent = <&gpio0>;
52 interrupts = <8 IRQ_TYPE_EDGE_FALLING>, <7 IRQ_TYPE_EDGE_FALLING>;
53 interrupt-names = "master", "slave";