Hi Geert-san, > From: Geert Uytterhoeven, Sent: Friday, April 19, 2024 8:42 PM > > From: Thanh Le <thanh.le.xv@xxxxxxxxxxx> > > Document support for the I/O Memory Management Unit (IPMMU) on the > Renesas R-Car V4M (R8A779H0) SoC. > > Signed-off-by: Thanh Le <thanh.le.xv@xxxxxxxxxxx> > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > --- > Interestingly, the IMSSTR register is documented for R-Car V4M, unlike > for R-Car S4 and R-Car V4H, so the second cell of the renesas,ipmmu-main > property could be added again. > As nothing really uses this register and the associated bit numbers, > I think it is better to keep it simple, and not partially revert commit > b67ab6fb63bbbe6d ("dt-bindings: iommu: renesas, ipmmu-vmsa: Update for > R-Car Gen4"). Thank you for the patch! I think so. So, Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> Best regards, Yoshihiro Shimoda > --- > Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml > b/Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml > index be90f68c11d18b03..0acaa2bcec0898b2 100644 > --- a/Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml > +++ b/Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml > @@ -50,6 +50,7 @@ properties: > - renesas,ipmmu-r8a779a0 # R-Car V3U > - renesas,ipmmu-r8a779f0 # R-Car S4-8 > - renesas,ipmmu-r8a779g0 # R-Car V4H > + - renesas,ipmmu-r8a779h0 # R-Car V4M > - const: renesas,rcar-gen4-ipmmu-vmsa # R-Car Gen4 > > reg: > -- > 2.34.1