[PATCH] misc: Add RZG2L OTP support

[Marek Vasut]

On 4/17/26 10:00 AM, Mathieu Othacehe wrote:

Hello Mathieu,

>>> + * XXX: To enable direct fusing through U-Boot, the trusted-firmware must
>>> + * allow the non-secure world to perform fusing operations. This is controlled
>>> + * by the SYS_SLVACCCTL7 register.
>>
>> Is there some SMC call to perform the fusing via TFA ?
> 
> No, there is a fusing driver in Renesas OP-TEE fork[1] but that's it.
> 
>>> + */
>>> +#define RZG2L_OTP_BASE      0x11860000
>>> +#define RZG2L_SYSC_BASE     0x11020000
>>
>> Can this be parsed out of DT ?
> 
> There is no entry for the OTP_BASE in the device-tree. There is one for
> the SYSC_BASE though.

How about adding a new node into the DT which represents the fuse 
controller ?

> I took the rest of your comments into account and sent a v2.
Thank you