[PATCH v3 05/12] dt-bindings: rtc: renesas,rzg3s-rtc: Document the Renesas RTCA-3 IP

[Rob Herring (Arm)]

On Fri, 30 Aug 2024 16:02:11 +0300, Claudiu wrote:
> From: Claudiu Beznea <claudiu.beznea.uj at bp.renesas.com>
> 
> Document the RTC IP (RTCA-3) available on the Renesas RZ/G3S SoC.
> The RTC IP available on Renesas RZ/V2H is almost identical with the
> one found on Renesas RZ/G3S (it misses the time capture functionality
> which is not yet implemented on proposed driver). For this, added also a
> generic compatible that will be used at the moment as fallback for both
> RZ/G3S and RZ/V2H.
> 
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj at bp.renesas.com>
> ---
> 
> Changes in v3:
> - added RTC bus clock, reset and power-domain; it has been detected
>   by reverse engineering that RTC and VBATTB clock, reset and power
>   domain are shared; HW manual doesn't mention it
> - updated example with these and with assigned-clock properties
>   needed to configure the VBATTCLK MUX with proper parent
> - updated example section with dt-bindings/clock/r9a08g045-cpg.h
>   and dt-bindings/clock/r9a08g045-vbattb.h includes
> - for all these, dropped Conor's Rb tag
> 
> Changes in v2:
> - updated patch description and title
> - included reference to rtc.yaml
> - updated compatible list with a generic compatible as explained in
>   patch description; with this the node in examples section has also been
>   updated
> - used items to describe interrupts, interrupt-names, clock, clock-names
> - updated title section
> 
>  .../bindings/rtc/renesas,rz-rtca3.yaml        | 86 +++++++++++++++++++
>  1 file changed, 86 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/rtc/renesas,rz-rtca3.yaml
> 

Reviewed-by: Rob Herring (Arm) <robh at kernel.org>