Kernel logs
==================
[ 2.643832] imx_thermal tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C
[ 2.654567] snvs_rtc 20cc000.snvs:snvs-rtc-lp: setting system clock to 2020-10-05T12:17:28 UTC (1601900248)
[ 2.668050] EXT4-fs (mmcblk3p2): mounting ext3 file system using the ext4 subsystem
[ 2.695910] 996 MHz, 1250 mV --> 396 MHz, 1175 mV
[ 2.700696] SW1AB: Restricting voltage, 1250000-1175000uV
[ 2.706552] SW1AB: Restricting voltage, 1250000-1175000uV
[ 2.712389] cpu cpu0: failed to scale vddarm down: -22
[ 2.718011] SW1AB: Restricting voltage, 1250000-1175000uV
[ 2.723821] SW1AB: Restricting voltage, 1250000-1175000uV
[ 2.729709] cpu cpu0: failed to scale vddsoc down: -22
[ 2.736015] 396 MHz, 1250 mV --> 996 MHz, 1250 mV
[ 2.747484] EXT4-fs (mmcblk3p2): mounted filesystem with ordered data mode. Opts: (null)
[ 2.755685] VFS: Mounted root (ext3 filesystem) on device 179:2.
[ 2.761906] 996 MHz, 1250 mV --> 792 MHz, 1175 mV
[ 2.767385] SW1AB: Restricting voltage, 1250000-1175000uV
[ 2.773155] devtmpfs: mounted
[ 2.776192] SW1AB: Restricting voltage, 1250000-1175000uV
Dts configuration
===========
operating-points = <
/* kHz uV */
996000 1250000
792000 1175000
396000 1175000
>;
fsl,soc-operating-points = <
/* ARM kHz SOC uV */
996000 1250000
792000 1175000
396000 1175000
>;
Issue
========
1) Why failed to scale vddsoc down issue?
Solved! Go to Solution.
Hi rakesh_patel
one can try to adjust "operating-points" according to datasheet vlaues, in particular
automotive grade has not "996000" point according to Table 10. Operating Ranges
i.MX 6SoloX Automotive and Infotainment Applications Processors - Data Sheet
Best regards
igor
Hi rakesh_patel
one can try to adjust "operating-points" according to datasheet vlaues, in particular
automotive grade has not "996000" point according to Table 10. Operating Ranges
i.MX 6SoloX Automotive and Infotainment Applications Processors - Data Sheet
Best regards
igor
Removing 996 freq, works fine.