Documentation/devicetree/bindings/interrupt-controller/cirrus,ep7209-intc.yaml
Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/interrupt-controller/cirrus,ep7209-intc.yaml
File Facts
- System
- Linux kernel
- Corpus path
Documentation/devicetree/bindings/interrupt-controller/cirrus,ep7209-intc.yaml- Extension
.yaml- Size
- 1776 bytes
- Lines
- 72
- 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.
- Touches IRQ or DMA behavior; this matters for the representative real-device path.
Dependency Surface
- No C-style include directives detected by the generator.
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/interrupt-controller/cirrus,ep7209-intc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Cirrus Logic CLPS711X Interrupt Controller
maintainers:
- Alexander Shiyan <shc_work@mail.ru>
description: >
Cirrus Logic CLPS711X Interrupt Controller
The interrupt sources are as follows:
ID Name Description
---------------------------
1: BLINT Battery low (FIQ)
3: MCINT Media changed (FIQ)
4: CSINT CODEC sound
5: EINT1 External 1
6: EINT2 External 2
7: EINT3 External 3
8: TC1OI TC1 under flow
9: TC2OI TC2 under flow
10: RTCMI RTC compare match
11: TINT 64Hz tick
12: UTXINT1 UART1 transmit FIFO half empty
13: URXINT1 UART1 receive FIFO half full
14: UMSINT UART1 modem status changed
15: SSEOTI SSI1 end of transfer
16: KBDINT Keyboard
17: SS2RX SSI2 receive FIFO half or greater full
18: SS2TX SSI2 transmit FIFO less than half empty
28: UTXINT2 UART2 transmit FIFO half empty
29: URXINT2 UART2 receive FIFO half full
32: DAIINT DAI interface (FIQ)
properties:
compatible:
oneOf:
- items:
- const: cirrus,ep7312-intc
- const: cirrus,ep7209-intc
- items:
- const: cirrus,ep7209-intc
reg:
maxItems: 1
interrupt-controller: true
'#interrupt-cells':
const: 1
required:
- compatible
- reg
- interrupt-controller
- '#interrupt-cells'
additionalProperties: false
examples:
- |
interrupt-controller@80000000 {
compatible = "cirrus,ep7312-intc", "cirrus,ep7209-intc";
reg = <0x80000000 0x4000>;
interrupt-controller;
#interrupt-cells = <1>;
Annotation
- Atlas domain: Support Tooling And Documentation / Documentation.
- Implementation status: atlas-only.
- IRQ or DMA behavior appears here, which is relevant to the selected PCIe/NVMe device path.
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.