63 lines
1.4 KiB
YAML
63 lines
1.4 KiB
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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$id: http://devicetree.org/schemas/nvmem/fsl,layerscape-sfp.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Freescale Layerscape Security Fuse Processor
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maintainers:
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- Michael Walle <michael@walle.cc>
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description: |
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SFP is the security fuse processor which among other things provides a
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unique identifier per part.
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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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oneOf:
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- description: Trust architecture 2.1 SFP
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items:
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- const: fsl,ls1021a-sfp
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- description: Trust architecture 3.0 SFP
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items:
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- const: fsl,ls1028a-sfp
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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description:
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The SFP clock. Typically, this is the platform clock divided by 4.
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clock-names:
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const: sfp
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ta-prog-sfp-supply:
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description:
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The regulator for the TA_PROG_SFP pin. It will be enabled for programming
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and disabled for reading.
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required:
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- compatible
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- reg
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- clock-names
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- clocks
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/fsl,qoriq-clockgen.h>
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efuse@1e80000 {
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compatible = "fsl,ls1028a-sfp";
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reg = <0x1e80000 0x8000>;
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clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
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QORIQ_CLK_PLL_DIV(4)>;
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clock-names = "sfp";
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};
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