[PATCH v2 1/4] dt-bindings: rng: add st,stm32mp25-rng support

Gatien Chevallier
2024-10-11T15:48:00Z

Add RNG STM32MP25x platforms compatible. Update the clock
properties management to support all versions.

Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
---
Changes in V2
-Fix missing min/maxItems
-Removed MP25 RNG example
-Renamed RNG clocks for mp25 to "core" and "bus"
---
.../devicetree/bindings/rng/st,stm32-rng.yaml | 30 +++++++++++++++++++++-
1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
index 340d01d481d12ce8664a60db42182ddaf0d1385b..5d553f7f706f8d7c17aea07e4130a34af764a635 100644
--- a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
+++ b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
@@ -18,12 +18,20 @@ properties:
enum:
- st,stm32-rng
- st,stm32mp13-rng
+ - st,stm32mp25-rng

reg:
maxItems: 1

clocks:
- maxItems: 1
+ minItems: 1
+ maxItems: 2
+
+ clock-names:
+ minItems: 1
+ items:
+ - const: core
+ - const: bus

resets:
maxItems: 1
@@ -57,6 +65,26 @@ allOf:
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
+ maxItems: 2
+ required:
+ - clock-names
+
additionalProperties: false

examples:

--
2.25.1