| Message ID | 20230921080301.253563-2-gatien.chevallier@foss.st.com (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Herbert Xu |
| Headers | show |
| Series | hwrng: stm32: support STM32MP13x platforms | expand |
On Thu, 21 Sep 2023 10:02:53 +0200, Gatien Chevallier wrote: > Introduce st,stm32mp13-rng compatible and add st,rng-lock-conf. > > If st,rng-lock-conf is set, the RNG configuration in RNG_CR, RNG_HTCR > and RNG_NSCR will be locked. It is supported starting from the RNG > version present in the STM32MP13 > > Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com> > --- > > Changes in V3: > - Squashed with: patch [V2 07/10] > - Declare st,rng-lock-conf at top level and restrain its uses > depending on the compatible. I discarded Rob's tag as for > the modifications. > > .../devicetree/bindings/rng/st,stm32-rng.yaml | 20 ++++++++++++++++++- > 1 file changed, 19 insertions(+), 1 deletion(-) > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml index 187b172d0cca..717f6b321f88 100644 --- a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml +++ b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml @@ -15,7 +15,9 @@ maintainers: properties: compatible: - const: st,stm32-rng + enum: + - st,stm32-rng + - st,stm32mp13-rng reg: maxItems: 1 @@ -30,11 +32,27 @@ properties: 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. + required: - compatible - reg - clocks +allOf: + - if: + properties: + compatible: + contains: + enum: + - st,stm32-rng + then: + properties: + st,rng-lock-conf: false + additionalProperties: false examples:
Introduce st,stm32mp13-rng compatible and add st,rng-lock-conf. If st,rng-lock-conf is set, the RNG configuration in RNG_CR, RNG_HTCR and RNG_NSCR will be locked. It is supported starting from the RNG version present in the STM32MP13 Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com> --- Changes in V3: - Squashed with: patch [V2 07/10] - Declare st,rng-lock-conf at top level and restrain its uses depending on the compatible. I discarded Rob's tag as for the modifications. .../devicetree/bindings/rng/st,stm32-rng.yaml | 20 ++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-)