i3c: dw: Add support for Device NACK Retry configuration

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The DesignWare I3C controller supports automatically retrying transactions
when a device NACKs. This is useful for slave devices that may be
temporarily busy and not ready to respond immediately.

Add new ops to configure all active DAT entry with dev_nack_retry during
runtime. Returns error when value exceeds hw specified limit.

Signed-off-by: Adrian Ng Ho Yin <adrianhoyin.ng@altera.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/f09ee67e61d31f0a12a0bf48f01e9057ca9e2fb7.1765529948.git.adrianhoyin.ng@altera.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

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Adrian Ng Ho Yin 2025-12-12 17:02:56 +08:00 • committed by Alexandre Belloni

parent b58f47eb39

commit ec17f14309

1 changed files with 40 additions and 0 deletions

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drivers/i3c/master/dw-i3c-master.c

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