[PATCH V4 RFC 2/3] nvmem: add driver for ocotp in i.MX23 and i.MX28

[Marek Vasut]

On Monday, July 20, 2015 at 12:04:58 AM, Stefan Wahren wrote:
> This patch brings read-only support for the On-Chip OTP cells
> in the i.MX23 and i.MX28 processor. The driver implements the
> new NVMEM provider API.
> 
> Signed-off-by: Stefan Wahren <stefan.wahren at i2se.com>

How come this driver isn't doing any manipulation with the VDDIO
voltage -- or did I miss that? I seem to remember that the VDDIO
had to be lowered to 2.8V before the fuses could be programmed
and restored to 3.3V afterward. See for example recent mainline
u-boot, drivers/misc/mxs_ocotp.c .

Best regards,
Marek Vasut