regulator: bd9576: Support error reporting

Browse Source

BD9573 and BD9576 support set of "protection" interrupts for "fatal"
issues. Those lead to SOC reset as PMIC shuts the power outputs. Thus
there is no relevant IRQ handling for them.

Few "detection" interrupts were added to the BD9576 with the idea that
SOC could take some recovery-action before error gets unrecoverable.

Add support for over and under voltage detection for Vout1 ... Vout4
and VoutL1. Add over-current detection for VoutS1 and finally a
thermal warning (common for all regulators) which alerts 30 C
before temperature reaches the thermal shutdown point. This way
consumer drivers can build error-recovery mechanisms.

Unfortunately the BD9576 interrupt logic was not re-evaluated. IRQs
are not designed to be properly acknowleged - and IRQ line is kept
active for whole duration of error condition (in comparison to
informing only about state change).

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Link: https://lore.kernel.org/r/05c4f7a8e30ef1d4d5f3ceab07da4ebe68f5b4ed.1622628334.git.matti.vaittinen@fi.rohmeurope.com
Signed-off-by: Mark Brown <broonie@kernel.org>

...

This commit is contained in:

Matti Vaittinen 2021-06-03 08:42:46 +03:00 committed by Mark Brown

parent 627793e4ca

commit e7bf1fa58c

No known key found for this signature in database

GPG Key ID: 24D68B725D5487D0

1 changed files with 928 additions and 126 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1054

drivers/regulator/bd9576-regulator.c

View File

File diff suppressed because it is too large Load Diff