[PATCH 3/5] i2c: rzg2l: Add I2C driver for RZ/G2L family

[Marek Vasut]

On 11/15/23 18:40, Paul Barker wrote:
> This driver supports the I2C module on the Renesas RZ/G2L (R9A07G044)
> SoC, also known as the RIIC module.
> 
> This patch is based on both the u-boot driver in the Renesas RZ BSP
> 3.0.5 release [1] (commit 7fcc1fdc2534), and the Linux v6.6 driver
> (commit ffc253263a13).
> 
> Support for deblocking the I2C bus is included as this may be needed
> after triggering a reset via the Power Management IC (PMIC) over I2C
> (the PMIC asserts the reset line before the SoC completes the I2C write
> transaction with obvious bus locking effects). If the SDA line is
> observed to be low during initialisation, we automatically attempt to
> deblock.
> 
> [1]: https://github.com/renesas-rz/renesas-u-boot-cip
> 
> Signed-off-by: Paul Barker <paul.barker.ct at bp.renesas.com>

The driver seems very similar to drivers/i2c/rcar_iic.c , can there be 
some code reuse ?