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soc: mcxc: Enable bandgap buffer for on die temperature measurement

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Bandgap voltage is used for on die temperature measurement. Bandgap
buffer has to be enabled explicitly to get correct tempearature.
Enable the buffer if TEMP_KINETIS is selected.

Signed-off-by: Michal Smola <michal.smola@nxp.com>
This commit is contained in:
Michal Smola 2024-10-22 10:53:14 +02:00 • committed by Carles Cufí
commit da6310c96c
1 changed files with 5 additions and 0 deletions
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5
soc/nxp/mcx/mcxc/soc.c
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@ -109,6 +109,11 @@ static void clock_init(void)
void soc_early_init_hook(void) void soc_early_init_hook(void)
{ {
#ifdef CONFIG_TEMP_KINETIS
/* enable bandgap buffer */
PMC->REGSC |= PMC_REGSC_BGBE_MASK;
#endif /* CONFIG_TEMP_KINETIS */
clock_init(); clock_init();
} }