diff options
| author | Johan Hovold <johan+linaro@kernel.org> | 2023-05-25 13:56:30 +0200 |
|---|---|---|
| committer | Johan Hovold <johan+linaro@kernel.org> | 2023-05-30 14:42:24 +0200 |
| commit | 8589faafbb9dd3c815d00dc00416b2b78f20fb21 (patch) | |
| tree | 7303c7e95446868409b57f276265f055ce9a81b9 | |
| parent | b51a40faf4909dcd1f66b1a376ce73b6457f8e46 (diff) | |
wip: mfd: pm8008: reset device on probe
Assert reset during probe so that the PMIC reverts to the expected
default address 0x08 and 0x09 (rather than the firmware configured
address 0x0c and 0x0d).
FIXME: determine how address selection works
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
| -rw-r--r-- | drivers/mfd/qcom-pm8008.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mfd/qcom-pm8008.c b/drivers/mfd/qcom-pm8008.c index 0920dfb87a0dc..6994d625edfa6 100644 --- a/drivers/mfd/qcom-pm8008.c +++ b/drivers/mfd/qcom-pm8008.c @@ -230,6 +230,10 @@ static int pm8008_probe(struct i2c_client *client) if (IS_ERR(reset_gpio)) return PTR_ERR(reset_gpio); + gpiod_set_value(reset_gpio, 1); + usleep_range(500, 2000); + gpiod_set_value(reset_gpio, 0); + if (of_property_read_bool(dev->of_node, "interrupt-controller")) { rc = pm8008_probe_irq_peripherals(dev, regmap, client->irq); if (rc) |