1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/reserved-memory/phram.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: MTD/block device in RAM
8
9 description: |
10 Specifies that the reserved memory region can be used as an MTD or block
11 device.
12
13 The "phram" node is named after the "MTD in PHysical RAM" driver which
14 provides an implementation of this functionality in Linux.
15
16 maintainers:
17 - Vincent Whitchurch <vincent.whitchurch@axis.com>
18
19 allOf:
20 - $ref: reserved-memory.yaml
21 - $ref: /schemas/mtd/mtd.yaml
22
23 properties:
24 compatible:
25 const: phram
26
27 reg:
28 description: region of memory that can be used as an MTD/block device
29
30 required:
31 - compatible
32 - reg
33
34 unevaluatedProperties: false
35
36 examples:
37 - |
38 reserved-memory {
39 #address-cells = <1>;
40 #size-cells = <1>;
41
42 phram: flash@12340000 {
43 compatible = "phram";
44 label = "rootfs";
45 reg = <0x12340000 0x00800000>;
46 };
47 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.