Documentation/devicetree/bindings/watchdog/sprd,sp9860-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/sprd,sp9860-wdt.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Spreadtrum SP9860 watchdog timer
   8
   9 maintainers:
  10   - Orson Zhai <orsonzhai@gmail.com>
  11   - Baolin Wang <baolin.wang7@gmail.com>
  12   - Chunyan Zhang <zhang.lyra@gmail.com>
  13
  14 allOf:
  15   - $ref: watchdog.yaml#
  16
  17 properties:
  18   compatible:
  19     const: sprd,sp9860-wdt
  20
  21   reg:
  22     maxItems: 1
  23
  24   interrupts:
  25     maxItems: 1
  26
  27   clocks:
  28     maxItems: 2
  29
  30   clock-names:
  31     items:
  32       - const: enable
  33       - const: rtc_enable
  34
  35 required:
  36   - compatible
  37   - reg
  38   - interrupts
  39   - clocks
  40   - clock-names
  41   - timeout-sec
  42
  43 unevaluatedProperties: false
  44
  45 examples:
  46   - |
  47     #include <dt-bindings/clock/sprd,sc9860-clk.h>
  48     #include <dt-bindings/interrupt-controller/arm-gic.h>
  49     #include <dt-bindings/interrupt-controller/irq.h>
  50
  51     soc {
  52         #address-cells = <2>;
  53         #size-cells = <2>;
  54
  55         watchdog@40310000 {
  56             compatible = "sprd,sp9860-wdt";
  57             reg = <0 0x40310000 0 0x1000>;
  58             interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
  59             clocks = <&aon_gate CLK_APCPU_WDG_EB>, <&aon_gate CLK_AP_WDG_RTC_EB>;
  60             clock-names = "enable", "rtc_enable";
  61             timeout-sec = <12>;
  62         };
  63     };
  64 ...