| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/nvmem/fsl,layerscape-sfp.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Freescale Layerscape Security Fuse Processor |
| |
| maintainers: |
| - Michael Walle <michael@walle.cc> |
| |
| description: | |
| SFP is the security fuse processor which among other things provides a |
| unique identifier per part. |
| |
| allOf: |
| - $ref: "nvmem.yaml#" |
| |
| properties: |
| compatible: |
| oneOf: |
| - description: Trust architecture 2.1 SFP |
| items: |
| - const: fsl,ls1021a-sfp |
| - description: Trust architecture 3.0 SFP |
| items: |
| - const: fsl,ls1028a-sfp |
| |
| reg: |
| maxItems: 1 |
| |
| clocks: |
| maxItems: 1 |
| description: |
| The SFP clock. Typically, this is the platform clock divided by 4. |
| |
| clock-names: |
| const: sfp |
| |
| ta-prog-sfp-supply: |
| description: |
| The regulator for the TA_PROG_SFP pin. It will be enabled for programming |
| and disabled for reading. |
| |
| required: |
| - compatible |
| - reg |
| - clock-names |
| - clocks |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/clock/fsl,qoriq-clockgen.h> |
| efuse@1e80000 { |
| compatible = "fsl,ls1028a-sfp"; |
| reg = <0x1e80000 0x8000>; |
| clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL |
| QORIQ_CLK_PLL_DIV(4)>; |
| clock-names = "sfp"; |
| }; |
