On Thu, Jul 17, 2014 at 3:50 AM, Bjorn Andersson <[email protected]> wrote: >> On Wed, Jul 16, 2014 at 4:30 AM, Bjorn Andersson >> <[email protected]> wrote: > [...] >>> + rpm@108000 { >>> + compatible = "qcom,rpm-msm8960"; >>> + reg = <0x108000 0x1000>; >>> + qcom,ipc = <&apcs 0x8 2>; >> >> Tried adding this but there is no reference to 'apcs' registers itself >> in any dts. >> >> Without these changes rpm breaks hence not able to test SATA which needs rpm. >> > > Hi Pramod, > > Unfortunately the ipc bits resides in a block that needs to be > accesses by various device drivers so I had to extract the access; so > you now need to reference it via a syscon handle and offset instead - > as described above. > > The apcs node I used for testing this with looks like this: > > apcs: syscon@2011000 { > compatible = "syscon"; > reg = <0x2011000 0x1000>; > }; > > Enable CONFIG_MFD_SYSCON and put the dt snippet somewhere under soc > and you should be good. >
Thanks Bjorn. Did this and seen things working (sata atleast). > Regards, > Bjorn -- Thanks and Regards Pramod -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
