1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/rtc/brcm,brcmstb-waketimer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Broadcom STB wake-up Timer
8
9 maintainers:
10 - Florian Fainelli <f.fainelli@gmail.com>
11
12 description:
13 The Broadcom STB wake-up timer provides a 27Mhz resolution timer, with the
14 ability to wake up the system from low-power suspend/standby modes and
15 optionally generate RTC alarm interrupts.
16
17 allOf:
18 - $ref: rtc.yaml#
19
20 properties:
21 compatible:
22 const: brcm,brcmstb-waketimer
23
24 reg:
25 maxItems: 1
26
27 interrupts:
28 minItems: 1
29 items:
30 - description: the TIMER interrupt
31 - description: the ALARM interrupt
32 description:
33 The TIMER interrupt wakes the system from low-power suspend/standby modes.
34 An ALARM interrupt may be specified to interrupt the CPU when an RTC alarm
35 is enabled.
36
37 clocks:
38 description: clock reference in the 27MHz domain
39 maxItems: 1
40
41 additionalProperties: false
42
43 examples:
44 - |
45 rtc@f041a080 {
46 compatible = "brcm,brcmstb-waketimer";
47 reg = <0xf041a080 0x14>;
48 interrupts-extended = <&aon_pm_l2_intc 0x04>,
49 <&upg_aux_aon_intr2_intc 0x08>;
50 clocks = <&upg_fixed>;
51 };
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