Documentation/devicetree/bindings/watchdog/sprd,sp9860-wdt.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/watchdog/sprd,sp9860-wdt.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/watchdog/sprd,sp9860-wdt.yaml
Extension
.yaml
Size
1340 bytes
Lines
65
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/watchdog/sprd,sp9860-wdt.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Spreadtrum SP9860 watchdog timer

maintainers:
  - Orson Zhai <orsonzhai@gmail.com>
  - Baolin Wang <baolin.wang7@gmail.com>
  - Chunyan Zhang <zhang.lyra@gmail.com>

allOf:
  - $ref: watchdog.yaml#

properties:
  compatible:
    const: sprd,sp9860-wdt

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    maxItems: 2

  clock-names:
    items:
      - const: enable
      - const: rtc_enable

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - clock-names
  - timeout-sec

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/sprd,sc9860-clk.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/interrupt-controller/irq.h>

    soc {
        #address-cells = <2>;
        #size-cells = <2>;

        watchdog@40310000 {
            compatible = "sprd,sp9860-wdt";
            reg = <0 0x40310000 0 0x1000>;
            interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
            clocks = <&aon_gate CLK_APCPU_WDG_EB>, <&aon_gate CLK_AP_WDG_RTC_EB>;
            clock-names = "enable", "rtc_enable";
            timeout-sec = <12>;
        };
    };
...

Annotation

Implementation Notes