renesas,rzg2l-wdt.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/watchdog/renesas,rzg2l-wdt.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Renesas RZ/G2L Watchdog Timer (WDT) Controller
  8
  9maintainers:
 10  - Biju Das <biju.das.jz@bp.renesas.com>
 11
 12properties:
 13  compatible:
 14    oneOf:
 15      - items:
 16          - enum:
 17              - renesas,r9a07g043-wdt    # RZ/G2UL and RZ/Five
 18              - renesas,r9a07g044-wdt    # RZ/G2{L,LC}
 19              - renesas,r9a07g054-wdt    # RZ/V2L
 20              - renesas,r9a08g045-wdt    # RZ/G3S
 21          - const: renesas,rzg2l-wdt
 22
 23      - items:
 24          - const: renesas,r9a09g011-wdt # RZ/V2M
 25          - const: renesas,rzv2m-wdt     # RZ/V2M
 26
 27  reg:
 28    maxItems: 1
 29
 30  interrupts:
 31    minItems: 1
 32    items:
 33      - description: Timeout
 34      - description: Parity error
 35
 36  interrupt-names:
 37    minItems: 1
 38    items:
 39      - const: wdt
 40      - const: perrout
 41
 42  clocks:
 43    items:
 44      - description: Register access clock
 45      - description: Main clock
 46
 47  clock-names:
 48    items:
 49      - const: pclk
 50      - const: oscclk
 51
 52  power-domains:
 53    maxItems: 1
 54
 55  resets:
 56    maxItems: 1
 57
 58  timeout-sec: true
 59
 60required:
 61  - compatible
 62  - reg
 63  - interrupts
 64  - clocks
 65  - clock-names
 66  - power-domains
 67  - resets
 68
 69allOf:
 70  - $ref: watchdog.yaml#
 71
 72  - if:
 73      properties:
 74        compatible:
 75          contains:
 76            const: renesas,rzg2l-wdt
 77    then:
 78      properties:
 79        interrupts:
 80          minItems: 2
 81        interrupt-names:
 82          minItems: 2
 83      required:
 84        - interrupt-names
 85    else:
 86      properties:
 87        interrupts:
 88          maxItems: 1
 89        interrupt-names:
 90          maxItems: 1
 91
 92additionalProperties: false
 93
 94examples:
 95  - |
 96    #include <dt-bindings/clock/r9a07g044-cpg.h>
 97    #include <dt-bindings/interrupt-controller/arm-gic.h>
 98
 99    watchdog@12800800 {
100            compatible = "renesas,r9a07g044-wdt",
101                         "renesas,rzg2l-wdt";
102            reg = <0x12800800 0x400>;
103            clocks = <&cpg CPG_MOD R9A07G044_WDT0_PCLK>,
104                     <&cpg CPG_MOD R9A07G044_WDT0_CLK>;
105            clock-names = "pclk", "oscclk";
106            interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>,
107                         <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
108            interrupt-names = "wdt", "perrout";
109            resets = <&cpg R9A07G044_WDT0_PRESETN>;
110            power-domains = <&cpg>;
111    };