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|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/nvmem/brcm,nvram.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom's NVRAM
description: |
Broadcom's NVRAM is a structure containing device specific environment
variables. It is used for storing device configuration, booting parameters
and calibration data.
NVRAM can be accessed on Broadcom BCM47xx MIPS and Northstar ARM Cortex-A9
devices usiong I/O mapped memory.
NVRAM variables can be defined as NVMEM device subnodes.
maintainers:
- Rafał Miłecki <rafal@milecki.pl>
allOf:
- $ref: nvmem.yaml#
properties:
compatible:
const: brcm,nvram
reg:
maxItems: 1
board_id:
type: object
description: Board identification name
et0macaddr:
type: object
description: First Ethernet interface's MAC address
properties:
"#nvmem-cell-cells":
description: The first argument is a MAC address offset.
const: 1
additionalProperties: false
et1macaddr:
type: object
description: Second Ethernet interface's MAC address
properties:
"#nvmem-cell-cells":
description: The first argument is a MAC address offset.
const: 1
additionalProperties: false
et2macaddr:
type: object
description: Third Ethernet interface's MAC address
properties:
"#nvmem-cell-cells":
description: The first argument is a MAC address offset.
const: 1
additionalProperties: false
unevaluatedProperties: false
examples:
- |
nvram@1eff0000 {
compatible = "brcm,nvram";
reg = <0x1eff0000 0x10000>;
mac: et0macaddr {
};
};
|
