Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 34a4958e authored by Markus Pargmann's avatar Markus Pargmann Committed by Lee Jones
Browse files

mfd: mc13xxx: Configure WDI reset 



Setup the PMIC to make a restart when a watchdog interrupt occures.
If this is not configured, the PMIC will shut down the power supply
without a restart.

Signed-off-by: default avatarMarkus Pargmann <mpa@pengutronix.de>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 970d9fbc

drivers/mfd/mc13xxx-core.c

+8 −0
Original line number Diff line number Diff line
@@ -36,6 +36,9 @@ 
#define MC34708_REVISION_FIN		(0x07 <<  6)

#define MC34708_REVISION_FAB		(0x07 <<  9)



#define MC13XXX_PWRCTRL		15

#define MC13XXX_PWRCTRL_WDIRESET	(1 << 12)



#define MC13XXX_ADC1		44

#define MC13XXX_ADC1_ADEN		(1 << 0)

#define MC13XXX_ADC1_RAND		(1 << 1)
@@ -416,6 +419,11 @@ int mc13xxx_common_init(struct device *dev) 


	mc13xxx->variant->print_revision(mc13xxx, revision);



	ret = mc13xxx_reg_rmw(mc13xxx, MC13XXX_PWRCTRL,

			MC13XXX_PWRCTRL_WDIRESET, MC13XXX_PWRCTRL_WDIRESET);

	if (ret)

		return ret;



	for (i = 0; i < ARRAY_SIZE(mc13xxx->irqs); i++) {

		mc13xxx->irqs[i].reg_offset = i / MC13XXX_IRQ_PER_REG;

		mc13xxx->irqs[i].mask = BIT(i % MC13XXX_IRQ_PER_REG);