Documentation/devicetree/bindings/rtc/loongson,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/loongson,rtc.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Loongson Real-Time Clock
   8
   9 description:
  10   The Loongson family chips use an on-chip counter 0 (Time Of Year
  11   counter) as the RTC.
  12
  13 maintainers:
  14   - Binbin Zhou <zhoubinbin@loongson.cn>
  15
  16 allOf:
  17   - $ref: rtc.yaml#
  18
  19 properties:
  20   compatible:
  21     oneOf:
  22       - enum:
  23           - loongson,ls1b-rtc
  24           - loongson,ls1c-rtc
  25           - loongson,ls7a-rtc
  26           - loongson,ls2k1000-rtc
  27       - items:
  28           - enum:
  29               - loongson,ls2k2000-rtc
  30               - loongson,ls2k0500-rtc
  31           - const: loongson,ls7a-rtc
  32
  33   reg:
  34     maxItems: 1
  35
  36   interrupts:
  37     maxItems: 1
  38
  39 required:
  40   - compatible
  41   - reg
  42
  43 unevaluatedProperties: false
  44
  45 examples:
  46   - |
  47     #include <dt-bindings/interrupt-controller/irq.h>
  48
  49     rtc@1fe27800 {
  50         compatible = "loongson,ls2k1000-rtc";
  51         reg = <0x1fe27800 0x100>;
  52
  53         interrupt-parent = <&liointc1>;
  54         interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
  55     };
  56
  57 ...