From: Robby Cai <robby.cai@nxp.com>
To: Kieran Bingham <kieran.bingham@ideasonboard.com>
Cc: Frank.Li@nxp.com, conor+dt@kernel.org, festevam@gmail.com,
krzk+dt@kernel.org, mchehab@kernel.org, p.zabel@pengutronix.de,
robh@kernel.org, s.hauer@pengutronix.de,
sakari.ailus@linux.intel.com, sebastian.krzyszkowiak@puri.sm,
slongerbeam@gmail.com, kernel@pengutronix.de,
devicetree@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/2] arm64: dts: imx8mq-evk: Enable MIPI CSI and dual OV5640 cameras
Date: Wed, 3 Jun 2026 18:18:10 +0800 [thread overview]
Message-ID: <20260603101810.GA540052@shlinux88> (raw)
In-Reply-To: <178031282290.662668.15145642423417739969@ping.linuxembedded.co.uk>
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 <robby.cai@nxp.com>
> > ---
> > arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 150 +++++++++++++++++++
> > 1 file changed, 150 insertions(+)
> >
[ ... ]
next prev parent reply other threads:[~2026-06-03 10:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-29 13:23 [PATCH v3 0/2] i.MX8MQ EVK: Enable dual OV5640 cameras Robby Cai
2026-05-29 13:23 ` [PATCH v3 1/2] arm64: dts: imx8mq-evk: Enable MIPI CSI and " Robby Cai
2026-06-01 11:20 ` Kieran Bingham
2026-06-03 10:18 ` Robby Cai [this message]
2026-05-29 13:23 ` [PATCH v3 2/2] media: i2c: ov5640: Use reset control framework to support shared reset Robby Cai
2026-05-29 14:15 ` sashiko-bot
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