[PATCH v2 2/2] staging: i3c: add Realtek RTS490x I3C HUB driver

[Krzysztof Kozlowski]

On 25/05/2026 14:51, zain_zhou at realsil.com.cn wrote:
> From: Yin Zhou <zain_zhou at realsil.com.cn>
> 
> Add driver for Realtek RTS490x series I3C HUB devices.
> 
> The driver supports:
>   - Device Tree based configuration of LDO, pull-up, IO strength
>     and per-port mode (I3C/SMBus/GPIO/disabled)
>   - Logical I3C bus registration per target port
>   - SMBus agent functionality with IBI and polling modes
>   - GPIO chip with IRQ support
>   - DebugFS interface for register access and DT config inspection
>   - IBI (In-Band Interrupt) handling
> 
> The driver is placed in staging as it has known issues to be resolved
> before mainlining; see drivers/staging/rts490x/TODO for details.
> 
> Signed-off-by: Yin Zhou <zain_zhou at realsil.com.cn>
> 
> Changes in v2:
> - Update driver to match v2 DT binding: parse physical values
>   directly via of_property_read_bool/u32; drop string enum lookup
>   tables; update property names with realtek, prefix and unit suffixes
> - Fix maintainer name; move MAINTAINERS entry to driver patch
> - Code style: rename TPn_* macros to TPN_*; rename SMBus frequency
>   constants to UPPER_CASE; add mutex field comments
> ---
>  MAINTAINERS                                |    6 +
>  drivers/staging/Kconfig                    |    2 +
>  drivers/staging/Makefile                   |    1 +
>  drivers/staging/rts490x/Kconfig            |   16 +
>  drivers/staging/rts490x/Makefile           |    2 +
>  drivers/staging/rts490x/TODO               |   35 +

So this is staging driver? Then why do you send us bindings? We don't
need them. You must follow staging rules then.

Best regards,
Krzysztof