On 27/06/2024 15:09, Jai Luthra wrote: > The CSI2RX SHIM IP can support a maximum of 32x DMA channels. > > These can be used to split incoming "streams" of data on the CSI-RX > port, distinguished by MIPI Virtual Channel (or Data Type), into > different locations in memory (/dev/videoX nodes). > > Actual number of DMA channels reserved is different for each SoC > integrating this IP, but a maximum of 32x channels are always available > in this IP's register space, so set minimum as 1 and maximum as 32. > > Link: https://www.ti.com/lit/pdf/spruiv7 > Signed-off-by: Jai Luthra <j-luthra@xxxxxx> > --- > .../bindings/media/ti,j721e-csi2rx-shim.yaml | 39 ++++++++++++++++++++-- > 1 file changed, 36 insertions(+), 3 deletions(-) > > diff --git a/Documentation/devicetree/bindings/media/ti,j721e-csi2rx-shim.yaml b/Documentation/devicetree/bindings/media/ti,j721e-csi2rx-shim.yaml > index f762fdc05e4d..0e00533c7b68 100644 > --- a/Documentation/devicetree/bindings/media/ti,j721e-csi2rx-shim.yaml > +++ b/Documentation/devicetree/bindings/media/ti,j721e-csi2rx-shim.yaml > @@ -20,11 +20,44 @@ properties: > const: ti,j721e-csi2rx-shim > > dmas: > - maxItems: 1 > + minItems: 1 > + maxItems: 32 > > dma-names: > + minItems: 1 > items: > - const: rx0 So all variants now get total random number of DMAs? I don't understand why this is not constrained. Best regards, Krzysztof
