On Mon, Apr 8, 2024 at 8:44 AM Ian Ray <ian.ray@xxxxxxxxxxxxxxxx> wrote: > Thank you -- I will submit a V2. > > Would 0x1c2 be more correct? From the IMX8MPRM.pdf, it seems that the > lowest bit is reserved. Example: 8.2.4.158 SW_PAD_CTL_PAD_GPIO1_IO05 > SW PAD Control Register (IOMUXC_SW_PAD_CTL_PAD_GPIO1_IO05). Yes, good catch. It is better not to write to the reserved bit 0, so 0x1c2 is preferred.