[PATCH v2 1/1] arm64: dts: imx8mq-evk: Enable MIPI CSI and dual OV5640 cameras

[Frank Li]

On Fri, May 15, 2026 at 07:11:43PM +0800, Robby Cai wrote:
> Enable the MIPI CSI bridges and corresponding CSI-2 host interfaces
> on the i.MX8MQ EVK, and add two OV5640 camera sensors.
>
> The sensors are connected via I2C1 and I2C2, each with proper
> endpoint descriptions to form complete media pipelines.
>
> The resulting pipelines are:
>
>   - OV5640 (I2C2) -> MIPI CSI1 -> CSI1 bridge
>   - OV5640 (I2C1) -> MIPI CSI2 -> CSI2 bridge
>
> Both pipelines have been validated on the i.MX8MQ EVK using the
> upstream OV5640 driver.
>
> Both OV5640 sensors share a single reset GPIO on this board,
> which prevents independent hardware reset when both cameras
> are enabled. As a result, the reset line is kept deasserted
> via a GPIO hog, and sensor reset is performed via software.

Does reset_control_get_shared() resolve this problem?

Frank