mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-08-31 14:13:39 +00:00
4eb10daba8
Add RNG STM32MP25x platforms compatible. Update the clock properties management to support all versions. Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
98 lines
1.8 KiB
YAML
98 lines
1.8 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/rng/st,stm32-rng.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: STMicroelectronics STM32 RNG
|
|
|
|
description: |
|
|
The STM32 hardware random number generator is a simple fixed purpose
|
|
IP and is fully separated from other crypto functions.
|
|
|
|
maintainers:
|
|
- Lionel Debieve <lionel.debieve@foss.st.com>
|
|
|
|
properties:
|
|
compatible:
|
|
enum:
|
|
- st,stm32-rng
|
|
- st,stm32mp13-rng
|
|
- st,stm32mp25-rng
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
clocks:
|
|
minItems: 1
|
|
maxItems: 2
|
|
|
|
clock-names:
|
|
items:
|
|
- const: core
|
|
- const: bus
|
|
|
|
resets:
|
|
maxItems: 1
|
|
|
|
clock-error-detect:
|
|
type: boolean
|
|
description: If set enable the clock detection management
|
|
|
|
st,rng-lock-conf:
|
|
type: boolean
|
|
description: If set, the RNG configuration in RNG_CR, RNG_HTCR and
|
|
RNG_NSCR will be locked.
|
|
|
|
access-controllers:
|
|
minItems: 1
|
|
maxItems: 2
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- clocks
|
|
|
|
allOf:
|
|
- if:
|
|
properties:
|
|
compatible:
|
|
contains:
|
|
enum:
|
|
- st,stm32-rng
|
|
then:
|
|
properties:
|
|
st,rng-lock-conf: false
|
|
|
|
- if:
|
|
properties:
|
|
compatible:
|
|
contains:
|
|
enum:
|
|
- st,stm32-rng
|
|
- st,stm32mp13-rng
|
|
then:
|
|
properties:
|
|
clocks:
|
|
maxItems: 1
|
|
clock-names: false
|
|
else:
|
|
properties:
|
|
clocks:
|
|
minItems: 2
|
|
required:
|
|
- clock-names
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/clock/stm32mp1-clks.h>
|
|
rng@54003000 {
|
|
compatible = "st,stm32-rng";
|
|
reg = <0x54003000 0x400>;
|
|
clocks = <&rcc RNG1_K>;
|
|
};
|
|
|
|
...
|