| 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/rng/st,stm32-rng.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: STMicroelectronics STM32 RNG |
| 8 | |
| 9 | description: | |
| 10 | The STM32 hardware random number generator is a simple fixed purpose |
| 11 | IP and is fully separated from other crypto functions. |
| 12 | |
| 13 | maintainers: |
| 14 | - Lionel Debieve <lionel.debieve@foss.st.com> |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | enum: |
| 19 | - st,stm32-rng |
| 20 | - st,stm32mp13-rng |
| 21 | |
| 22 | reg: |
| 23 | maxItems: 1 |
| 24 | |
| 25 | clocks: |
| 26 | maxItems: 1 |
| 27 | |
| 28 | resets: |
| 29 | maxItems: 1 |
| 30 | |
| 31 | clock-error-detect: |
| 32 | type: boolean |
| 33 | description: If set enable the clock detection management |
| 34 | |
| 35 | st,rng-lock-conf: |
| 36 | type: boolean |
| 37 | description: If set, the RNG configuration in RNG_CR, RNG_HTCR and |
| 38 | RNG_NSCR will be locked. |
| 39 | |
| 40 | required: |
| 41 | - compatible |
| 42 | - reg |
| 43 | - clocks |
| 44 | |
| 45 | allOf: |
| 46 | - if: |
| 47 | properties: |
| 48 | compatible: |
| 49 | contains: |
| 50 | enum: |
| 51 | - st,stm32-rng |
| 52 | then: |
| 53 | properties: |
| 54 | st,rng-lock-conf: false |
| 55 | |
| 56 | additionalProperties: false |
| 57 | |
| 58 | examples: |
| 59 | - | |
| 60 | #include <dt-bindings/clock/stm32mp1-clks.h> |
| 61 | rng@54003000 { |
| 62 | compatible = "st,stm32-rng"; |
| 63 | reg = <0x54003000 0x400>; |
| 64 | clocks = <&rcc RNG1_K>; |
| 65 | }; |
| 66 | |
| 67 | ... |