xref: /freebsd/sys/contrib/device-tree/Bindings/watchdog/nxp,lpc1850-wwdt.yaml (revision b2d2a78ad80ec68d4a17f5aef97d21686cb1e29b)
1*b2d2a78aSEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*b2d2a78aSEmmanuel Vadot%YAML 1.2
3*b2d2a78aSEmmanuel Vadot---
4*b2d2a78aSEmmanuel Vadot$id: http://devicetree.org/schemas/watchdog/nxp,lpc1850-wwdt.yaml#
5*b2d2a78aSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml#
6*b2d2a78aSEmmanuel Vadot
7*b2d2a78aSEmmanuel Vadottitle: NXP LPC18xx Watchdog Timer (WDT)
8*b2d2a78aSEmmanuel Vadot
9*b2d2a78aSEmmanuel Vadotmaintainers:
10*b2d2a78aSEmmanuel Vadot  - Animesh Agarwal <animeshagarwal28@gmail.com>
11*b2d2a78aSEmmanuel Vadot
12*b2d2a78aSEmmanuel Vadotproperties:
13*b2d2a78aSEmmanuel Vadot  compatible:
14*b2d2a78aSEmmanuel Vadot    const: nxp,lpc1850-wwdt
15*b2d2a78aSEmmanuel Vadot
16*b2d2a78aSEmmanuel Vadot  reg:
17*b2d2a78aSEmmanuel Vadot    maxItems: 1
18*b2d2a78aSEmmanuel Vadot
19*b2d2a78aSEmmanuel Vadot  clocks:
20*b2d2a78aSEmmanuel Vadot    items:
21*b2d2a78aSEmmanuel Vadot      - description: Watchdog counter clock
22*b2d2a78aSEmmanuel Vadot      - description: Register interface clock
23*b2d2a78aSEmmanuel Vadot
24*b2d2a78aSEmmanuel Vadot  clock-names:
25*b2d2a78aSEmmanuel Vadot    items:
26*b2d2a78aSEmmanuel Vadot      - const: wdtclk
27*b2d2a78aSEmmanuel Vadot      - const: reg
28*b2d2a78aSEmmanuel Vadot
29*b2d2a78aSEmmanuel Vadot  interrupts:
30*b2d2a78aSEmmanuel Vadot    maxItems: 1
31*b2d2a78aSEmmanuel Vadot
32*b2d2a78aSEmmanuel Vadotrequired:
33*b2d2a78aSEmmanuel Vadot  - compatible
34*b2d2a78aSEmmanuel Vadot  - reg
35*b2d2a78aSEmmanuel Vadot  - clocks
36*b2d2a78aSEmmanuel Vadot  - clock-names
37*b2d2a78aSEmmanuel Vadot  - interrupts
38*b2d2a78aSEmmanuel Vadot
39*b2d2a78aSEmmanuel VadotadditionalProperties: false
40*b2d2a78aSEmmanuel Vadot
41*b2d2a78aSEmmanuel Vadotexamples:
42*b2d2a78aSEmmanuel Vadot  - |
43*b2d2a78aSEmmanuel Vadot    #include <dt-bindings/clock/lpc18xx-cgu.h>
44*b2d2a78aSEmmanuel Vadot    #include <dt-bindings/clock/lpc18xx-ccu.h>
45*b2d2a78aSEmmanuel Vadot
46*b2d2a78aSEmmanuel Vadot    watchdog@40080000 {
47*b2d2a78aSEmmanuel Vadot        compatible = "nxp,lpc1850-wwdt";
48*b2d2a78aSEmmanuel Vadot        reg = <0x40080000 0x24>;
49*b2d2a78aSEmmanuel Vadot        clocks = <&cgu BASE_SAFE_CLK>, <&ccu1 CLK_CPU_WWDT>;
50*b2d2a78aSEmmanuel Vadot        clock-names = "wdtclk", "reg";
51*b2d2a78aSEmmanuel Vadot        interrupts = <49>;
52*b2d2a78aSEmmanuel Vadot    };
53