On Thu, May 14, 2020 at 02:13:18PM -0500, Rob Herring wrote: > On Thu, May 07, 2020 at 01:22:57AM +0300, Serge Semin wrote: > > Baikal-T1 Clocks Control Unit is responsible for transformation of a > > signal coming from an external oscillator into clocks of various > > frequencies to propagate them then to the corresponding clocks > > consumers (either individual IP-blocks or clock domains). In order > > to create a set of high-frequency clocks the external signal is > > firstly handled by the embedded into CCU PLLs. So the corresponding > > dts-node is just a normal clock-provider node with standard set of > > properties. Note as being part of the Baikal-T1 System Controller its > > DT node is supposed to be a child the system controller node. > > > > Signed-off-by: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx> > > Cc: Alexey Malahov <Alexey.Malahov@xxxxxxxxxxxxxxxxxxxx> > > Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> > > Cc: Paul Burton <paulburton@xxxxxxxxxx> > > Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx> > > Cc: Arnd Bergmann <arnd@xxxxxxxx> > > Cc: linux-mips@xxxxxxxxxxxxxxx > > > > --- > > [nip] > > +examples: > > + # Clock Control Unit PLL node: > > + - | > > + clock-controller-pll { > > + compatible = "baikal,bt1-ccu-pll"; > > + #clock-cells = <1>; > > + > > + clocks = <&clk25m>; > > + clock-names = "ref_clk"; > > If there's a register range within the system controller for the pll, > then add 'reg' even if Linux doesn't use it. Rob, are you saying that the reg property should be mandatory or optional? I've got a similar issue in several other patches you've already took a look. In order to fix it there too could you please clarify this to me? -Sergey