1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/rtc/faraday,ftrtc010.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Faraday Technology FTRTC010 Real Time Clock
8
9 maintainers:
10 - Linus Walleij <linus.walleij@linaro.org>
11
12 description: |
13 This RTC appears in for example the Storlink Gemini family of SoCs.
14
15 properties:
16 compatible:
17 oneOf:
18 - const: faraday,ftrtc010
19 - items:
20 - const: cortina,gemini-rtc
21 - const: faraday,ftrtc010
22
23 resets:
24 maxItems: 1
25
26 reg:
27 maxItems: 1
28
29 interrupts:
30 maxItems: 1
31
32 clocks:
33 items:
34 - description: PCLK clocks
35 - description: EXTCLK clocks. Faraday calls it CLK1HZ and says the clock
36 should be 1 Hz, but implementers actually seem to choose different
37 clocks here, like Cortina who chose 32768 Hz (a typical low-power clock).
38
39 clock-names:
40 items:
41 - const: PCLK
42 - const: EXTCLK
43
44 required:
45 - compatible
46
47 additionalProperties: false
48
49 examples:
50 - |
51 #include <dt-bindings/interrupt-controller/irq.h>
52 rtc@45000000 {
53 compatible = "cortina,gemini-rtc", "faraday,ftrtc010";
54 reg = <0x45000000 0x100>;
55 interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
56 clocks = <&foo 0>, <&foo 1>;
57 clock-names = "PCLK", "EXTCLK";
58 };
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