On Thu, Nov 1, 2018 at 10:12 AM Segher Boessenkool <segher@xxxxxxxxxxxxxxxxxxx> wrote: > > On Thu, Nov 01, 2018 at 09:52:57PM +1100, Michael Ellerman wrote: > > Rob Herring <robh@xxxxxxxxxx> writes: > > > Yes, I was aware at least older powerpc DTs don't use 'cpu' for node names. > > > > Actually newer ones too, see below :) > > Good, because that is required by the Open Firmware standard (the PowerPC > binding, to be exact): > > http://www.openbios.org/data/docs/ppc-2_1.ps > > (see 5.1.4, "name"). Yes. I should say I only expect systems following ePAPR (3.7) or DT Spec will use 'cpu' node names. Those specs also require 'device_type' which is supposed to indicate what OF methods are available for a node which doesn't exist on FDT. Rob
