Hi Krzysztof, > >> If these can be in the driver, why would ever they be in DTS in the first > place? > >> > > Our platforms have 3 xhci controllers which map to 3 different phy ports. > > You mean on the same SoC? Yes, one SoC has three xhci controllers. > > And the three phy ports use the same driver, but the parameters are > different. > > So I put the parameter settings in DTS, we have 3 usb-phy nodes representing > 3 phy ports. > > Also, some parameters have to be adjusted for different boards. > > Therefore, it is more applicable in DTS than in driver. > > Then it looks justified in DT, so please write proper descriptions for proper > properties. Underscores are not allowed in node names. No fake nodes. > Properties should usually describe physical/hardware effect not the register > value. I will write more detail for properties. > qcom,usb-snps-femto-v2.yaml is nice example. Few Mediatek bindings also > would work. > ' Thanks, Stanley