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mfd: mc13xxx: Configure WDI reset

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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: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Markus Pargmann 2014-09-08 09:01:11 +02:00 committed by Lee Jones
parent 970d9fbca9
commit 34a4958e4c
1 changed files with 8 additions and 0 deletions
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8
drivers/mfd/mc13xxx-core.c
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@ -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);