Hi Rob, On 26-01-20, Rob Herring wrote: > On Thu, Jan 15, 2026 at 04:24:51PM +0100, Marco Felsch wrote: > > From: Liu Ying <[email protected]> > > > > i.MX93 SoC mediamix blk-ctrl contains one DISPLAY_MUX register which > > configures parallel display format by using the "PARALLEL_DISP_FORMAT" > > field. Document the Parallel Display Format Configuration(PDFC) subnode > > and add the subnode to example. > > > > Signed-off-by: Liu Ying <[email protected]> > > [[email protected]: port to v6.18-rc1] > > [[email protected]: add bus-width] > > Signed-off-by: Marco Felsch <[email protected]> > > --- > > .../bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml | 78 > > ++++++++++++++++++++++ > > 1 file changed, 78 insertions(+) > > > > diff --git > > a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml > > b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml > > index > > 34aea58094e55365a2f9c86092f637e533f954ff..d828c2e82965c7a4cd69a67136047d83c96b0a35 > > 100644 > > --- > > a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml > > +++ > > b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml > > @@ -40,6 +40,58 @@ properties: > > minItems: 8 > > maxItems: 10 > > > > + dpi-bridge: > > + type: object > > + additionalProperties: false > > + > > + properties: > > + compatible: > > + enum: > > + - nxp,imx91-pdfc > > + - nxp,imx93-pdfc > > Looks like there's a register for this at 0x60. That should be a 'reg' > entry in the DT.
We discussed the usage of 'reg' here [1]. In short: This single hw-register contains not only bits for the parallel output configuration but also for the mipi-dsi configuration. So there should be no 'reg' usage and instead let the syscon and driver do the correct handling. Regards, Marco [1] https://lore.kernel.org/all/paxpr04mb84599d676ec1e3879694579688...@paxpr04mb8459.eurprd04.prod.outlook.com/#t
