FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/watchdog/ti,rti-wdt.yaml

     # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
     %YAML 1.2
     ---
     $id: http://devicetree.org/schemas/watchdog/ti,rti-wdt.yaml#
     $schema: http://devicetree.org/meta-schemas/core.yaml#
     
     title: Texas Instruments K3 SoC Watchdog Timer
     
     maintainers:
      - Tero Kristo <t-kristo@ti.com>
    
    description:
      The TI K3 SoC watchdog timer is implemented via the RTI (Real Time
      Interrupt) IP module. This timer adds a support for windowed watchdog
      mode, which will signal an error if it is pinged outside the watchdog
      time window, meaning either too early or too late. The error signal
      generated can be routed to either interrupt a safety controller or
      to directly reset the SoC.
    
    allOf:
      - $ref: "watchdog.yaml#"
    
    properties:
      compatible:
        enum:
          - ti,j7-rti-wdt
    
      reg:
        maxItems: 1
    
      clocks:
        maxItems: 1
    
      power-domains:
        maxItems: 1
    
    required:
      - compatible
      - reg
      - clocks
      - power-domains
    
    unevaluatedProperties: false
    
    examples:
      - |
        /*
         * RTI WDT in main domain on J721e SoC. Assigned clocks are used to
         * select the source clock for the watchdog, forcing it to tick with
         * a 32kHz clock in this case.
         */
        #include <dt-bindings/soc/ti,sci_pm_domain.h>
    
        watchdog@2200000 {
            compatible = "ti,j7-rti-wdt";
            reg = <0x2200000 0x100>;
            clocks = <&k3_clks 252 1>;
            power-domains = <&k3_pds 252 TI_SCI_PD_EXCLUSIVE>;
            assigned-clocks = <&k3_clks 252 1>;
            assigned-clock-parents = <&k3_clks 252 5>;
        };

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