On 8/22/25 16:34, Raphael Gallais-Pou wrote:
On STM32MP25 SoC, the syscfg peripheral provides a clock to the display
subsystem through a multiplexer. Since it only provides a single clock,
the cell value is 0.
Doing so allows the clock consumers to reach the peripheral and gate the
clock accordingly.
Reviewed-by: Rob Herring (Arm) <r...@kernel.org>
Reviewed-by: Yannick Fertre <yannick.fer...@foss.st.com>
Signed-off-by: Raphael Gallais-Pou <raphael.gallais-...@foss.st.com>
---
.../bindings/arm/stm32/st,stm32-syscon.yaml | 31 +++++++++++++++-------
1 file changed, 21 insertions(+), 10 deletions(-)
diff --git a/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml
b/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml
index
ed97652c84922813e94b1818c07fe8714891c089..95d2319afe235fa86974d80f89c9deeae2275232
100644
--- a/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml
+++ b/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml
@@ -36,20 +36,31 @@ properties:
clocks:
maxItems: 1
+ "#clock-cells":
+ const: 0
+
required:
- compatible
- reg
-if:
- properties:
- compatible:
- contains:
- enum:
- - st,stm32mp157-syscfg
- - st,stm32f4-gcan
-then:
- required:
- - clocks
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - st,stm32mp157-syscfg
+ - st,stm32f4-gcan
+ then:
+ required:
+ - clocks
+ - if:
+ properties:
+ compatible:
+ const: st,stm32mp25-syscfg
+ then:
+ required:
+ - "#clock-cells"
additionalProperties: false
Acked-by: Christophe Roullier <christophe.roull...@foss.st.com>
You can merge it on DRM MISC.
Best Regards,
Christophe
