Documentation/devicetree/bindings/mtd/ti,gpmc-nand.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/mtd/ti,gpmc-nand.yaml

File Facts

System: Linux kernel
Corpus path: Documentation/devicetree/bindings/mtd/ti,gpmc-nand.yaml
Extension: .yaml
Size: 3192 bytes
Lines: 127
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/interrupt-controller/arm-gic.h
dt-bindings/gpio/gpio.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/mtd/ti,gpmc-nand.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Texas Instruments GPMC NAND Flash controller.

maintainers:
  - Tony Lindgren <tony@atomide.com>
  - Roger Quadros <rogerq@kernel.org>

description:
  GPMC NAND controller/Flash is represented as a child of the
  GPMC controller node.

properties:
  compatible:
    items:
      - enum:
          - ti,am64-nand
          - ti,omap2-nand

  reg:
    maxItems: 1

  interrupts:
    items:
      - description: Interrupt for fifoevent
      - description: Interrupt for termcount

  "#address-cells": true

  "#size-cells": true

  ti,nand-ecc-opt:
    description: Desired ECC algorithm
    $ref: /schemas/types.yaml#/definitions/string
    enum: [sw, ham1, bch4, bch8, bch16]

  ti,nand-xfer-type:
    description: Data transfer method between controller and chip.
    $ref: /schemas/types.yaml#/definitions/string
    enum: [prefetch-polled, polled, prefetch-dma, prefetch-irq]
    default: prefetch-polled

  ti,elm-id:
    description:
      phandle to the ELM (Error Location Module).
    $ref: /schemas/types.yaml#/definitions/phandle

  nand-bus-width:
    description:
      Bus width to the NAND chip
    $ref: /schemas/types.yaml#/definitions/uint32
    enum: [8, 16]
    default: 8

  rb-gpios:
    description:
      GPIO connection to R/B signal from NAND chip
    maxItems: 1

allOf:
  - $ref: /schemas/memory-controllers/ti,gpmc-child.yaml
  - $ref: mtd.yaml#

required:
  - compatible
  - reg

Annotation

Immediate include surface: `dt-bindings/interrupt-controller/arm-gic.h`, `dt-bindings/gpio/gpio.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.