[PATCH v9 1/3] dt-bindings: stm32: stm32mp25: add `#access-controller-cells` property

From: Clément Le Goffic

Date: Tue Feb 10 2026 - 14:33:56 EST


From: Clément Le Goffic <clement.legoffic@xxxxxxxxxxx>

RCC is able to check the availability of a clock.
Allow to query the RCC with a firewall ID.

Signed-off-by: Clément Le Goffic <clement.legoffic@xxxxxxxxxxx>
Acked-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
Signed-off-by: Clément Le Goffic <legoffic.clement@xxxxxxxxx>
---
Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml b/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml
index 1e3b5d218bb0..882de8608200 100644
--- a/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml
+++ b/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml
@@ -31,6 +31,11 @@ properties:
'#reset-cells':
const: 1

+ '#access-controller-cells':
+ const: 1
+ description:
+ Contains the firewall ID associated to the peripheral.
+
clocks:
items:
- description: CK_SCMI_HSE High Speed External oscillator (8 to 48 MHz)
@@ -122,6 +127,7 @@ required:
- reg
- '#clock-cells'
- '#reset-cells'
+ - '#access-controller-cells'
- clocks

additionalProperties: false
@@ -135,6 +141,7 @@ examples:
reg = <0x44200000 0x10000>;
#clock-cells = <1>;
#reset-cells = <1>;
+ #access-controller-cells = <1>;
clocks = <&scmi_clk CK_SCMI_HSE>,
<&scmi_clk CK_SCMI_HSI>,
<&scmi_clk CK_SCMI_MSI>,

--
2.53.0