[PATCH] i2c: rcar_i2c: Add R-Car Gen5 support

[Marek Vasut]

On 10/28/25 6:25 AM, Heiko Schocher wrote:

Hello Heiko,

>> diff --git a/drivers/i2c/rcar_i2c.c b/drivers/i2c/rcar_i2c.c
>> index 3bd5108fd23..9562119bb5b 100644
>> --- a/drivers/i2c/rcar_i2c.c
>> +++ b/drivers/i2c/rcar_i2c.c
>> @@ -368,6 +368,7 @@ static const struct udevice_id rcar_i2c_ids[] = {
>>       { .compatible = "renesas,rcar-gen2-i2c", .data = 
>> RCAR_I2C_TYPE_GEN2 },
>>       { .compatible = "renesas,rcar-gen3-i2c", .data = 
>> RCAR_I2C_TYPE_GEN3 },
>>       { .compatible = "renesas,rcar-gen4-i2c", .data = 
>> RCAR_I2C_TYPE_GEN3 },
>> +    { .compatible = "renesas,rcar-gen5-i2c", .data = 
>> RCAR_I2C_TYPE_GEN3 },
>>       { }
>>   };
> 
> .. I cannot find this new compatible node in U-Boot
> 
> $ grep -lr "renesas,rcar-gen5-i2c" doc/device-tree-bindings/
> $ grep -lr "renesas,rcar-gen5-i2c" dts/upstream/
> $
> 
> nor in current (v6.18-rc3) linux tree... is there already a patch
> for linux, which introduces it? But is seems trivial to me, so I
> am fine with it.
The SoC and board support was sent separately in

[PATCH 2/3] arm64: dts: renesas: Add Renesas R-Car X5H R8A78000 SoC DTs

https://patchwork.ozlabs.org/project/uboot/patch/20251027172219.30437-2-marek.vasut+renesas@mailbox.org/

Linux kernel patches are being prepared, I don't think they are posted yet.