tree 9cae5c87e98126fdc9b423e7f9e541a6c6039653
parent 1a17ae87bf314d40b617c350ff3bd0ef15fd22a7
author Ye Li <ye.li@nxp.com> 1726718486 +0800
committer Fabio Estevam <festevam@gmail.com> 1726715561 -0300

imx9: soc: Add function to get target voltage mode

Replace the static CONFIG_IMX9_LOW_DRIVE_MODE with runtime target
voltage mode by checking the part's SPEED GRADE fuse.
SPL will configure to highest A55 speed which is indicated by the SPEED
fuse and select corresponding voltage mode.

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>