On 22/05/2024 16:43, Péter Ujfalusi wrote: >>> >>>> + compatible = "ti,omap4-mcpdm"; >>>> + reg = <0x40132000 0x7f>, /* MPU private access */ >>>> + <0x49032000 0x7f>; /* L3 Interconnect */ >>>> + interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>; >>>> + interrupt-parent = <&gic>; >>>> + ti,hwmods = "mcpdm"; >>>> + clocks = <&twl6040>; >>>> + clock-names = "pdmclk"; >>> >>> The clocks cannot be added at the time when the node is defined, it is >>> board specific. This way you imply that it is OK to have it in main dtsi >>> file. It is not. >> >> Wait, what? That's example and pretty standard. Example should be >> complete. This is not an exceptional binding. > > The fclk for the McPDM is coming from external source, and the McPDM is > designed in pair with twl6040/6041, there were plan for other codecs to > support the McPDM protocol and in those cases the clock would come from > the connected codec. > > The example (as the original binding was bit rot) is missing reg-names, > dmas and dma-names to be complete. None of these properties are allowed by the binding and during these five/six revisions of the patchset no one raised missing properties. I assume the DTS was validated with the binding. Isn't the case here? Best regards, Krzysztof