On 22/05/2024 18:01, Péter Ujfalusi wrote: > > > On 22/05/2024 18:22, Krzysztof Kozlowski wrote: >> 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 just by accident spotted this patch, I was not in Cc. > > The reg-names must be set to 'mpu' and 'dma' > The dma-names should be 'up_link' and 'dn_link' > > These names go back for a long time (~2012) and have been mandatory ever > since. > > Yes, the binding document was neglected pretty badly but when converting > to yaml it has to be correct since that will have ripple effect on > existing dts/dtsi files. Yep. And testing DTS should clearly show that conversion leads to incomplete binding. > >> I assume the DTS was validated with the binding. Isn't the case here? Mithil Bavishi, Are you sure you tested the DTS? Best regards, Krzysztof