Merge tag 'siox/for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleine...
[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / rtc / xlnx,zynqmp-rtc.yaml
1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/rtc/xlnx,zynqmp-rtc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Xilinx Zynq Ultrascale+ MPSoC Real Time Clock
8
9 description:
10   RTC controller for the Xilinx Zynq MPSoC Real Time Clock.
11   The RTC controller has separate IRQ lines for seconds and alarm.
12
13 maintainers:
14   - Michal Simek <michal.simek@amd.com>
15
16 allOf:
17   - $ref: rtc.yaml#
18
19 properties:
20   compatible:
21     const: xlnx,zynqmp-rtc
22
23   reg:
24     maxItems: 1
25
26   clocks:
27     maxItems: 1
28
29   clock-names:
30     items:
31       - const: rtc
32
33   interrupts:
34     maxItems: 2
35
36   interrupt-names:
37     items:
38       - const: alarm
39       - const: sec
40
41   calibration:
42     description: |
43       calibration value for 1 sec period which will
44       be programmed directly to calibration register.
45     $ref: /schemas/types.yaml#/definitions/uint32
46     minimum: 0x1
47     maximum: 0x1FFFFF
48     default: 0x198233
49     deprecated: true
50
51 required:
52   - compatible
53   - reg
54   - interrupts
55   - interrupt-names
56
57 additionalProperties: false
58
59 examples:
60   - |
61     soc {
62       #address-cells = <2>;
63       #size-cells = <2>;
64
65       rtc: rtc@ffa60000 {
66         compatible = "xlnx,zynqmp-rtc";
67         reg = <0x0 0xffa60000 0x0 0x100>;
68         interrupt-parent = <&gic>;
69         interrupts = <0 26 4>, <0 27 4>;
70         interrupt-names = "alarm", "sec";
71         calibration = <0x198233>;
72         clock-names = "rtc";
73         clocks = <&rtc_clk>;
74       };
75     };