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drivers: i3c: add KConfig to perform rstact during bus init

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Sometimes, performing a rstact which will reset all devices during init
on the bus may not be ideal. Add a KConfig to easily turn off.

Signed-off-by: Ryan McClelland <ryanmcclelland@meta.com>
This commit is contained in:
Ryan McClelland 2024-07-12 13:41:41 -07:00 committed by Anas Nashif
parent b2f3d801b4
commit ec41afaa5d
2 changed files with 9 additions and 0 deletions
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7
drivers/i3c/Kconfig
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@ -105,6 +105,13 @@ config I3C_CONTROLLER_INIT_PRIORITY
may not be addressable until addresses are assigned by
the controller.
config I3C_INIT_RSTACT
bool "Perform Reset Action During Bus Initialization"
default y
help
This determines whether the bus initialization routine
sends a reset action command to I3C targets.
comment "Device Drivers"
rsource "Kconfig.nxp"

2
drivers/i3c/i3c_common.c
View File

@ -639,6 +639,7 @@ int i3c_bus_init(const struct device *dev, const struct i3c_dev_list *dev_list)
bool need_daa = true;
struct i3c_ccc_events i3c_events;
#ifdef CONFIG_I3C_INIT_RSTACT
/*
* Reset all connected targets. Also reset dynamic
* addresses for all devices as we have no idea what
@ -661,6 +662,7 @@ int i3c_bus_init(const struct device *dev, const struct i3c_dev_list *dev_list)
LOG_DBG("Broadcast RSTACT (peripehral) was NACK.");
}
}
#endif
if (i3c_ccc_do_rstdaa_all(dev) != 0) {
LOG_DBG("Broadcast RSTDAA was NACK.");