| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/nvmem/fsl,layerscape-sfp.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Freescale Layerscape Security Fuse Processor |
| 8 | |
| 9 | maintainers: |
| 10 | - Michael Walle <michael@walle.cc> |
| 11 | |
| 12 | description: | |
| 13 | SFP is the security fuse processor which among other things provides a |
| 14 | unique identifier per part. |
| 15 | |
| 16 | allOf: |
| 17 | - $ref: nvmem.yaml# |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | oneOf: |
| 22 | - description: Trust architecture 2.1 SFP |
| 23 | items: |
| 24 | - const: fsl,ls1021a-sfp |
| 25 | - description: Trust architecture 3.0 SFP |
| 26 | items: |
| 27 | - const: fsl,ls1028a-sfp |
| 28 | |
| 29 | reg: |
| 30 | maxItems: 1 |
| 31 | |
| 32 | clocks: |
| 33 | maxItems: 1 |
| 34 | description: |
| 35 | The SFP clock. Typically, this is the platform clock divided by 4. |
| 36 | |
| 37 | clock-names: |
| 38 | const: sfp |
| 39 | |
| 40 | ta-prog-sfp-supply: |
| 41 | description: |
| 42 | The regulator for the TA_PROG_SFP pin. It will be enabled for programming |
| 43 | and disabled for reading. |
| 44 | |
| 45 | required: |
| 46 | - compatible |
| 47 | - reg |
| 48 | - clock-names |
| 49 | - clocks |
| 50 | |
| 51 | unevaluatedProperties: false |
| 52 | |
| 53 | examples: |
| 54 | - | |
| 55 | #include <dt-bindings/clock/fsl,qoriq-clockgen.h> |
| 56 | efuse@1e80000 { |
| 57 | compatible = "fsl,ls1028a-sfp"; |
| 58 | reg = <0x1e80000 0x8000>; |
| 59 | clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL |
| 60 | QORIQ_CLK_PLL_DIV(4)>; |
| 61 | clock-names = "sfp"; |
| 62 | }; |