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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/reserved-memory/phram.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MTD/block device in RAM
description: |
Specifies that the reserved memory region can be used as an MTD or block
device.
The "phram" node is named after the "MTD in PHysical RAM" driver which
provides an implementation of this functionality in Linux.
maintainers:
- Vincent Whitchurch <vincent.whitchurch@axis.com>
allOf:
- $ref: "reserved-memory.yaml"
- $ref: "/schemas/mtd/mtd.yaml"
properties:
compatible:
const: phram
reg:
description: region of memory that can be used as an MTD/block device
required:
- compatible
- reg
unevaluatedProperties: false
examples:
- |
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
phram: flash@12340000 {
compatible = "phram";
label = "rootfs";
reg = <0x12340000 0x00800000>;
};
};
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