Documentation/devicetree/bindings/mtd/partitions/qcom,smem-part.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/mtd/partitions/qcom,smem-part.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/mtd/partitions/qcom,smem-part.yaml
Extension
.yaml
Size
1457 bytes
Lines
63
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.

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Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mtd/partitions/qcom,smem-part.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm SMEM NAND flash partition parser

maintainers:
  - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

description: |
  The Qualcomm SoCs supporting the NAND controller interface features a Shared
  Memory (SMEM) based partition table scheme. The maximum partitions supported
  varies between partition table revisions. V3 supports maximum 16 partitions
  and V4 supports 48 partitions.

select: false

properties:
  compatible:
    const: qcom,smem-part

patternProperties:
  "^partition-[0-9a-z]+$":
    $ref: nvmem-cells.yaml

required:
  - compatible

additionalProperties: false

examples:
  - |
    flash {
        partitions {
            compatible = "qcom,smem-part";
        };
    };

  - |
    /* Example declaring dynamic partition */
    flash {
        partitions {
            compatible = "qcom,smem-part";

            partition-art {
                compatible = "nvmem-cells";
                #address-cells = <1>;
                #size-cells = <1>;
                label = "0:art";

                macaddr_art_0: macaddr@0 {
                    reg = <0x0 0x6>;
                };

                macaddr_art_6: macaddr@6 {
                    reg = <0x6 0x6>;
                };
            };
        };
    };

Annotation

Implementation Notes