On Fri, Jul 11, 2025 at 04:48:54PM +0200, Clément Le Goffic wrote: > RCC is able to check the availability of a clock. > Allow to query the RCC with a firewall ID. If it is tied to a clock, do we need another provider? We have the "protected clocks" thing, but that might be a bit different. > > Signed-off-by: Clément Le Goffic <clement.legoffic@xxxxxxxxxxx> > --- > 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 88e52f10d1ec..4d471e3d89bc 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) > @@ -123,6 +128,7 @@ required: > - reg > - '#clock-cells' > - '#reset-cells' > + - '#access-controller-cells' > - clocks > > additionalProperties: false > @@ -136,6 +142,7 @@ 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>, > > -- > 2.43.0 >
