[PATCH v3 1/1] reset: imx7: Correct polarity of MIPI CSI resets on i.MX8MQ

Philipp Zabel p.zabel at pengutronix.de
Thu Jul 2 08:53:43 PDT 2026


On Fr, 2026-06-19 at 15:31 +0800, robby.cai at oss.nxp.com wrote:
> From: Robby Cai <robby.cai at nxp.com>
> 
> On i.MX8MQ, the MIPI CSI reset lines are active-low and not self-clearing.
> Writing '0' asserts reset and it remains asserted until explicitly
> deasserted by software.
> 
> This driver previously treated the MIPI CSI reset signals as active-high,
> which led to incorrect reset assert/deassert sequencing. This issue was
> exposed by commit 6d79bb8fd2aa ("media: imx8mq-mipi-csi2: Explicitly
> release reset").
> 
> Fix this by reflecting the correct reset polarity and ensuring proper
> reset handling.
[...]

Applied to reset/fixes, thanks!

[1/1] reset: imx7: Correct polarity of MIPI CSI resets on i.MX8MQ
      https://git.kernel.org/pub/scm/linux/kernel/git/pza/linux.git/commit/?id=71827776667f

regards
Philipp



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