2023-08-30 17:31:07 +02:00
|
|
|
# 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:
|
2023-10-24 12:59:35 +02:00
|
|
|
- $ref: reserved-memory.yaml
|
|
|
|
|
- $ref: /schemas/mtd/mtd.yaml
|
2023-08-30 17:31:07 +02:00
|
|
|
|
|
|
|
|
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>;
|
|
|
|
|
};
|
|
|
|
|
};
|
