i2c: npcm: Add clock toggle recovery

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[ Upstream commit 38010591a0 ]

During init of the bus, the module checks that the bus is idle.
If one of the lines are stuck try to recover them first before failing.
Sometimes SDA and SCL are low if improper reset occurs (e.g., reboot).

Signed-off-by: Tali Perry <tali.perry1@gmail.com>
Signed-off-by: Mohammed Elbadry <mohammed.0.elbadry@gmail.com>
Reviewed-by: Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com>
Link: https://lore.kernel.org/r/20250328193252.1570811-1-mohammed.0.elbadry@gmail.com
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Tali Perry 2025-03-28 19:32:50 +00:00 • committed by Greg Kroah-Hartman

parent c39d1a9ae4

commit e9a83fe283

1 changed files with 8 additions and 4 deletions

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drivers/i2c/busses/i2c-npcm7xx.c

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