On Wed, Oct 30, 2024 at 12:23:57PM +0530, Raviteja Laggyshetty wrote: > > > On 10/26/2024 8:15 PM, Dmitry Baryshkov wrote: > > On Sat, Oct 26, 2024 at 12:30:56PM +0000, Raviteja Laggyshetty wrote: > >> Add Epoch Subsystem (EPSS) L3 interconnect provider binding on > >> SA8775P SoCs. > >> > >> Signed-off-by: Raviteja Laggyshetty <quic_rlaggysh@xxxxxxxxxxx> > >> --- > >> .../devicetree/bindings/interconnect/qcom,osm-l3.yaml | 4 ++++ > >> 1 file changed, 4 insertions(+) > >> > >> diff --git a/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml b/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml > >> index 21dae0b92819..042ca44c32ec 100644 > >> --- a/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml > >> +++ b/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml > >> @@ -34,6 +34,10 @@ properties: > >> - qcom,sm8250-epss-l3 > >> - qcom,sm8350-epss-l3 > >> - const: qcom,epss-l3 > >> + - items: > >> + - enum: > >> + - qcom,sa8775p-epss-l3 > >> + - const: qcom,epss-l3-perf > > > > Why is it -perf? What's so different about it? > > The EPSS instance in SA8775P uses PERF_STATE register instead of REG_L3_VOTE to scale L3 clocks. > So adding new generic compatible "qcom,epss-l3-perf" for PERF_STATE register based l3 scaling. Neither sm8250 nor sc7280 use this compatible, while they also use PERF_STATE register. > > > > > >> > >> reg: > >> maxItems: 1 > >> -- > >> 2.39.2 > >> > > > -- With best wishes Dmitry