Subject: Re: [PATCH v3 1/2] arm64: dts: imx8mq-evk: Enable MIPI CSI and dual OV5640 cameras

From: Robby Cai <[email-masked]>
Date: Wed, 3 Jun 2026 18:18:10 +0800

On Mon, Jun 01, 2026 at 12:20:22PM +0100, Kieran Bingham wrote:
> Quoting Robby Cai (2026-05-29 14:23:33)
> > Enable the MIPI CSI-2 host controllers and CSI bridges, and add two
> > OV5640 sensors on I2C1 and I2C2, forming two media pipelines:
> > 
> >   - OV5640 (I2C2) -> MIPI CSI1 -> CSI1 bridge
> >   - OV5640 (I2C1) -> MIPI CSI2 -> CSI2 bridge
> > 
> > On the i.MX8MQ EVK, both sensors share a single reset GPIO line,
> > while each sensor has an independent powerdown (PWDN) GPIO.
> > 
> > Both sensors also share the same MCLK source (CLKO2), configured
> > identically as required by the hardware design.
> 
> Shouldn't these be overlays? Does *every* IMX8MQ-EVK always have 2 x
> OV5640 modules attached? And never anything else ?
> 

You are right. I'll use overlays in next revision.

Thanks,
Robby
> --
> Regards
> 
> Kieran
> 
> > 
> > Signed-off-by: Robby Cai <[email-masked]>
> > ---
> >  arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 150 +++++++++++++++++++
> >  1 file changed, 150 insertions(+)
> > 

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