> > --- > > .../devicetree/bindings/mmc/synopsys-dw-mshc-common.yaml | 6 ++++++ > > 1 file changed, 6 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc-common.yaml b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc-common.yaml > > index 8dfad89c7..2bc5ac528 100644 > > --- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc-common.yaml > > +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc-common.yaml > > @@ -57,6 +57,12 @@ properties: > > force fifo watermark setting accordingly. > > $ref: /schemas/types.yaml#/definitions/flag > > > > + fifo-access-32bit: > > Missing type boolean. Thanks, will add the same $ref as for the entry above. > > + description: > > + Specifies that this device requires accesses to its 64-bit registers > > + to be done as pairs of 32-bit accesses, even on architectures where > > + readq is available. > > And why the device would require this? If it has 64-bit registers in the > first place, they can be accessed in 64-bit. Otherwise these are not > 64-bit registers, but just lower/upper 32-bit, right? > > Also, why this cannot be implied from compatible? Why different boards > with same SoC should have different FIFO access? It probably can be implied, but I am not exactly sure on which boards it affects, so I decided to go for a new devicetree option. Anyway, the same argument applies to the "data-addr" property, which is already in the spec, so I supposed that adding such knobs is fine.