1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/rtc/qcom-pm8xxx-rtc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Qualcomm PM8xxx PMIC RTC device
8
9 maintainers:
10 - Satya Priya <quic_c_skakit@quicinc.com>
11
12 properties:
13 compatible:
14 oneOf:
15 - enum:
16 - qcom,pm8058-rtc
17 - qcom,pm8921-rtc
18 - qcom,pm8941-rtc
19 - qcom,pmk8350-rtc
20 - items:
21 - enum:
22 - qcom,pm8018-rtc
23 - const: qcom,pm8921-rtc
24
25 reg:
26 minItems: 1
27 maxItems: 2
28
29 reg-names:
30 minItems: 1
31 items:
32 - const: rtc
33 - const: alarm
34
35 interrupts:
36 maxItems: 1
37
38 allow-set-time:
39 $ref: /schemas/types.yaml#/definitions/flag
40 description:
41 Indicates that the setting of RTC time is allowed by the host CPU.
42
43 nvmem-cells:
44 items:
45 - description:
46 four-byte nvmem cell holding a little-endian offset from the Unix
47 epoch representing the time when the RTC timer was last reset
48
49 nvmem-cell-names:
50 items:
51 - const: offset
52
53 wakeup-source: true
54
55 required:
56 - compatible
57 - reg
58 - interrupts
59
60 additionalProperties: false
61
62 examples:
63 - |
64 #include <dt-bindings/interrupt-controller/irq.h>
65 #include <dt-bindings/spmi/spmi.h>
66
67 spmi {
68 #address-cells = <2>;
69 #size-cells = <0>;
70
71 pmic@0 {
72 compatible = "qcom,pm8941", "qcom,spmi-pmic";
73 reg = <0x0 SPMI_USID>;
74 #address-cells = <1>;
75 #size-cells = <0>;
76
77 rtc@6000 {
78 compatible = "qcom,pm8941-rtc";
79 reg = <0x6000>, <0x6100>;
80 reg-names = "rtc", "alarm";
81 interrupts = <0x0 0x61 0x1 IRQ_TYPE_EDGE_RISING>;
82 nvmem-cells = <&rtc_offset>;
83 nvmem-cell-names = "offset";
84 };
85 };
86 };
87 ...
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