Re: [PATCH v5 2/2] i2c: qcom-target: Add driver for Qualcomm I2C target controller

[Mukesh Savaliya]

On 10/5/2026 10:15 PM, Viken Dadhaniya wrote:
> QDU1000 and related Qualcomm SoCs include a dedicated I2C target
> controller that operates exclusively in target mode. The existing
> Qualcomm I2C controller drivers, GENI and QUP, are master-only and
> cannot serve systems where the SoC must respond as an I2C target on
> the bus.
>
> Register the controller with the Linux I2C slave framework through
> i2c_algorithm.reg_slave and i2c_algorithm.unreg_slave. This allows
> standard slave backends, such as slave-24c02, to be attached at
> runtime through i2c_slave_register().
>
> Handle IRQ events for RX FIFO service, clock stretching during read
> and write phases, STOP and repeated-start conditions, and error
> recovery through a software reset.
>
> Enable the required AHB and XO clocks and vote for interconnect
> bandwidth. Restore the hardware state across system suspend and
> resume using regular system-sleep PM callbacks.
>
> Signed-off-by: Viken Dadhaniya <viken.dadhaniya@xxxxxxxxxxxxxxxx>
> ---

Reviewed-by: Mukesh Kumar Savaliya <mukesh.savaliya@xxxxxxxxxxxxxxxx>