Re: [PATCH v2 2/3] media: rockchip: add driver for the rockchip mipi csi-2 receiver

[Frank Li <Frank.li@nxp.com>]

On Tue, Nov 18, 2025 at 07:59:14PM +0100, Michael Riesch wrote:
> Hi Frank,
>
> On 11/18/25 18:15, Frank Li wrote:
> > On Tue, Nov 18, 2025 at 12:12:26PM +0100, Michael Riesch via B4 Relay wrote:
> >> From: Michael Riesch <michael.riesch@collabora.com>
> >>
> >>[...]
> >> +#define CSI2HOST_N_LANES     0x04
> >> +#define CSI2HOST_CSI2_RESETN 0x10
> >> +#define CSI2HOST_PHY_STATE   0x14
> >> +#define CSI2HOST_ERR1	     0x20
> >> +#define CSI2HOST_ERR2	     0x24
> >> +#define CSI2HOST_MSK1	     0x28
> >> +#define CSI2HOST_MSK2	     0x2c
> >> +#define CSI2HOST_CONTROL     0x40
> >
> > Look like that is designware CSI2 controller, can we build common library
> > for all dwc csi2 controller, instead of every vendor create individual one.
> >
> > First try at
> > https://lore.kernel.org/linux-media/20250821-95_cam-v3-21-c9286fbb34b9@nxp.com/
> >
> > Toshiba have similar patch
> > https://lore.kernel.org/linux-media/aPZd39riAxqfw3mT@lizhi-Precision-Tower-5810/
> >
> > Frank
>
> This has been discussed already a while ago:
> https://lore.kernel.org/all/20250507083837.GA11152@pendragon.ideasonboard.com/

https://lore.kernel.org/all/20250702093806.GF16835@pendragon.ideasonboard.com/

Laurent Pinchart prevent imx93 DWC CSI2 driver at Jul, your discussion at
May, I think Laurent Pinchart change the mind.

We can choose not base on imx6, but we should create a standard dwc2 under
drivers/media/platform/synopsys/

Laurent Pinchart:

	Can you provide direction?

Frank

>
> Bottom line from Laurent:
>
> "Let's keep this driver Rockchip-specific then. Thanks for checking."
>
> >  [...]
> Best regards,
> Michael