On 17/05/2020 18:12, Amit Tomer wrote: >> I don't understand what this has to do with the driver, but I asked >> above to also change the binding, allowing this compatible string >> combination. > if we add these two strings "actions,s700-mmc", "actions,owl-mmc" to dts file > and leave the driver as it. Wouldn't this be mismatch(as driver only > has "actions,owl-mmc" > and DTS has two strings). > > Shouldn't that be concerned about ? I recommend reading the DT spec, chapter 2.3.1 "compatible": https://github.com/devicetree-org/devicetree-specification/releases/download/v0.3/devicetree-specification-v0.3.pdf Cheers, Andre