On Fri, 27 Jan 2023 17:40:37 +0100 Gatien Chevallier <gatien.chevallier@xxxxxxxxxxx> wrote: > Document STM32 System Bus. This bus is intended to control firewall > access for the peripherals connected to it. > > Signed-off-by: Gatien Chevallier <gatien.chevallier@xxxxxxxxxxx> > Signed-off-by: Loic PALLARDY <loic.pallardy@xxxxxx> Trivial comment on formatting. > + > +examples: > + - | > + // In this example, the rng1 device refers to etzpc as its domain controller. > + // Same goes for fmc. > + // Access rights are verified before creating devices. > + > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + #include <dt-bindings/clock/stm32mp1-clks.h> > + #include <dt-bindings/reset/stm32mp1-resets.h> > + > + etzpc: bus@5c007000 { > + compatible = "st,stm32mp15-sys-bus"; > + reg = <0x5c007000 0x400>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + feature-domain-controller; > + #feature-domain-cells = <1>; > + > + rng1: rng@54003000 { Odd mixture of 4 spacing and 2 spacing in this example. I'd suggest one or the other (slight preference for 4 space indents). > + compatible = "st,stm32-rng"; > + reg = <0x54003000 0x400>; > + clocks = <&rcc RNG1_K>; > + resets = <&rcc RNG1_R>; > + feature-domains = <&etzpc 7>; > + status = "disabled"; > + };