5783bd1970
Broadcom's NVRAM structure contains device data and can be accessed using I/O mapping. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20210330111241.19401-5-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
35 lines
802 B
YAML
35 lines
802 B
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/nvmem/brcm,nvram.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Broadcom's NVRAM
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description: |
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Broadcom's NVRAM is a structure containing device specific environment
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variables. It is used for storing device configuration, booting parameters
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and calibration data.
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NVRAM can be accessed on Broadcom BCM47xx MIPS and Northstar ARM Cortex-A9
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devices usiong I/O mapped memory.
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maintainers:
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- Rafał Miłecki <rafal@milecki.pl>
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allOf:
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- $ref: "nvmem.yaml#"
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properties:
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compatible:
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const: brcm,nvram
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unevaluatedProperties: false
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examples:
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- |
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nvram@1eff0000 {
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compatible = "brcm,nvram";
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reg = <0x1eff0000 0x10000>;
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};
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