On 17/06/2022 04:21, Alexander Stein wrote: >> What's this node about? There is no compatible. > > As mentioned in the cover letter, some nodes are not used yet. In this case > the intention is to apply an overlay for enabling the display later on. As the > MBa8MPxL is a starter kit mainboard there is no fixed display attached. So a > user might use our supported display or chose his own. But the backlight and > display are fixed, so anything related to that can be part of the general > mainboad DTS. > The display specific overlay will then have (among other things) the following > snippet: > Sure. Could you add such explanation to the comment in DTS next to this unusual node? This would answer people's question if they wonder about the display node. >> &display0 { >> compatible = "tianma,tm070jvhg33"; >> status = "okay"; >> }; > > Power supply and enable GPIO are fixed, so there the can be part of the > mainboard DTS while the actual compatible for the display might change. > > I hope this makes this approach a bit more clear and this approach is > acceptable. Best regards, Krzysztof