Documentation/devicetree/bindings/arm/arm,juno-fpga-apb-regs.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/arm/arm,juno-fpga-apb-regs.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/arm/arm,juno-fpga-apb-regs.yaml
Extension
.yaml
Size
1244 bytes
Lines
62
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/arm/arm,juno-fpga-apb-regs.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: ARM Juno FPGA APB Registers

maintainers:
  - Sudeep Holla <sudeep.holla@arm.com>

properties:
  compatible:
    items:
      - const: arm,juno-fpga-apb-regs
      - const: syscon
      - const: simple-mfd

  reg:
    maxItems: 1

  ranges: true

  "#address-cells":
    const: 1

  "#size-cells":
    const: 1

patternProperties:
  "^led@[0-9a-f]+,[0-9a-f]$":
    $ref: /schemas/leds/register-bit-led.yaml#

required:
  - compatible
  - reg
  - ranges
  - "#address-cells"
  - "#size-cells"

additionalProperties: false

examples:
  - |
    syscon@10000 {
        compatible = "arm,juno-fpga-apb-regs", "syscon", "simple-mfd";
        reg = <0x010000 0x1000>;
        ranges = <0x0 0x10000 0x1000>;
        #address-cells = <1>;
        #size-cells = <1>;

        led@8,0 {
            compatible = "register-bit-led";
            reg = <0x08 0x04>;
            offset = <0x08>;
            mask = <0x01>;
            label = "vexpress:0";
            linux,default-trigger = "heartbeat";
            default-state = "on";
        };
    };

Annotation

Implementation Notes