Documentation/devicetree/bindings/sound/cirrus,cs42l84.yaml
Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/sound/cirrus,cs42l84.yaml
File Facts
- System
- Linux kernel
- Corpus path
Documentation/devicetree/bindings/sound/cirrus,cs42l84.yaml- Extension
.yaml- Size
- 1277 bytes
- Lines
- 57
- 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.
- Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
Dependency Surface
dt-bindings/gpio/gpio.hdt-bindings/interrupt-controller/irq.h
Detected Declarations
- No top-level syscall, struct, function, initcall, or export declaration detected by the generator.
Annotated Snippet
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/cirrus,cs42l84.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Cirrus Logic CS42L84 audio CODEC
maintainers:
- Martin PoviĊĦer <povik+lin@cutebit.org>
description: |
The CS42L84 is a headphone jack codec made by Cirrus Logic and embedded
in personal computers sold by Apple. It was first seen in 2021 Macbook
Pro models. It has stereo DAC for playback, mono ADC for capture, and
is somewhat similar to CS42L42 but with a different regmap.
properties:
compatible:
enum:
- cirrus,cs42l84
reg:
maxItems: 1
reset-gpios:
maxItems: 1
interrupts:
maxItems: 1
'#sound-dai-cells':
const: 0
required:
- compatible
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
jack_codec: codec@4b {
compatible = "cirrus,cs42l84";
reg = <0x4b>;
reset-gpios = <&pinctrl_nub 4 GPIO_ACTIVE_LOW>;
interrupts-extended = <&pinctrl_ap 180 IRQ_TYPE_LEVEL_LOW>;
#sound-dai-cells = <0>;
};
};
Annotation
- Immediate include surface: `dt-bindings/gpio/gpio.h`, `dt-bindings/interrupt-controller/irq.h`.
- Atlas domain: Support Tooling And Documentation / Documentation.
- Implementation status: atlas-only.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.