tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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
7title: Xilinx Zynq Ultrascale+ MPSoC Real Time Clock
8
9description:
10 RTC controller for the Xilinx Zynq MPSoC Real Time Clock.
11 The RTC controller has separate IRQ lines for seconds and alarm.
12
13maintainers:
14 - Michal Simek <michal.simek@xilinx.com>
15
16allOf:
17 - $ref: rtc.yaml#
18
19properties:
20 compatible:
21 const: xlnx,zynqmp-rtc
22
23 reg:
24 maxItems: 1
25
26 interrupts:
27 minItems: 2
28
29 interrupt-names:
30 items:
31 - const: alarm
32 - const: sec
33
34 calibration:
35 description: |
36 calibration value for 1 sec period which will
37 be programmed directly to calibration register.
38 $ref: /schemas/types.yaml#/definitions/uint32
39 minimum: 0x1
40 maximum: 0x1FFFFF
41 default: 0x198233
42
43required:
44 - compatible
45 - reg
46 - interrupts
47 - interrupt-names
48
49additionalProperties: false
50
51examples:
52 - |
53 soc {
54 #address-cells = <2>;
55 #size-cells = <2>;
56
57 rtc: rtc@ffa60000 {
58 compatible = "xlnx,zynqmp-rtc";
59 reg = <0x0 0xffa60000 0x0 0x100>;
60 interrupt-parent = <&gic>;
61 interrupts = <0 26 4>, <0 27 4>;
62 interrupt-names = "alarm", "sec";
63 calibration = <0x198233>;
64 };
65 };