Messages in this thread | | | Date | Thu, 17 Jul 2014 21:34:37 +0530 | Subject | Re: [PATCH v4 1/3] soc: devicetree: bindings: Add Qualcomm RPM DT binding | From | pramod gurav <> |
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On Thu, Jul 17, 2014 at 3:50 AM, Bjorn Andersson <bjorn@kryo.se> wrote: >> On Wed, Jul 16, 2014 at 4:30 AM, Bjorn Andersson >> <bjorn.andersson@sonymobile.com> 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
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