[PATCH v3 3/6] dt-bindings: bus: add STM32 System Bus

[Jonathan Cameron]

On Fri, 27 Jan 2023 17:40:37 +0100
Gatien Chevallier <gatien.chevallier at foss.st.com> 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 at foss.st.com>
> Signed-off-by: Loic PALLARDY <loic.pallardy at st.com>
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 at 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 at 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";
> +        };