xref: /linux/Documentation/devicetree/bindings/watchdog/sprd,sp9860-wdt.yaml (revision 537c2e91d3549e5d6020bb0576cf9b54a845255f) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/watchdog/sprd,sp9860-wdt.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Spreadtrum SP9860 watchdog timer
8
9maintainers:
10  - Orson Zhai <orsonzhai@gmail.com>
11  - Baolin Wang <baolin.wang7@gmail.com>
12  - Chunyan Zhang <zhang.lyra@gmail.com>
13
14allOf:
15  - $ref: watchdog.yaml#
16
17properties:
18  compatible:
19    const: sprd,sp9860-wdt
20
21  reg:
22    maxItems: 1
23
24  interrupts:
25    maxItems: 1
26
27  clocks:
28    maxItems: 2
29
30  clock-names:
31    items:
32      - const: enable
33      - const: rtc_enable
34
35required:
36  - compatible
37  - reg
38  - interrupts
39  - clocks
40  - clock-names
41  - timeout-sec
42
43unevaluatedProperties: false
44
45examples:
46  - |
47    #include <dt-bindings/clock/sprd,sc9860-clk.h>
48    #include <dt-bindings/interrupt-controller/arm-gic.h>
49    #include <dt-bindings/interrupt-controller/irq.h>
50
51    soc {
52        #address-cells = <2>;
53        #size-cells = <2>;
54
55        watchdog@40310000 {
56            compatible = "sprd,sp9860-wdt";
57            reg = <0 0x40310000 0 0x1000>;
58            interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
59            clocks = <&aon_gate CLK_APCPU_WDG_EB>, <&aon_gate CLK_AP_WDG_RTC_EB>;
60            clock-names = "enable", "rtc_enable";
61            timeout-sec = <12>;
62        };
63    };
64...
65