Quoting Dong Aisheng (2019-08-20 04:13:15) > There's a few limitations on the original one cell clock binding > (#clock-cells = <1>) that we have to define some SW clock IDs for device > tree to reference. This may cause troubles if we want to use common > clock IDs for multi platforms support when the clock of those platforms > are mostly the same. > e.g. Current clock IDs name are defined with SS prefix. > > However the device may reside in different SS across CPUs, that means the > SS prefix may not valid anymore for a new SoC. Furthermore, the device > availability of those clocks may also vary a bit. > > For such situation, we want to eliminate the using of SW Clock IDs and > change to use a more close to HW one instead. > For SCU clocks usage, only two params required: Resource id + Clock Type. > Both parameters are platform independent. So we could use two cells binding > to pass those parameters, > > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > Cc: Stephen Boyd <sboyd@xxxxxxxxxx> > Cc: Shawn Guo <shawnguo@xxxxxxxxxx> > Cc: Sascha Hauer <kernel@xxxxxxxxxxxxxx> > Cc: Michael Turquette <mturquette@xxxxxxxxxxxx> > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Dong Aisheng <aisheng.dong@xxxxxxx> > --- Reviewed-by: Stephen Boyd <sboyd@xxxxxxxxxx>
