On 20/01/2024 14:55, Tim Lunn wrote: > Rockchip RK809 shares the same audio codec block as the rk817 mfd, and > is compatible with the existing rk817_codec driver. Please use subject prefixes matching the subsystem. You can get them for example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory your patch is touching. > > This patch introduces to the binding the standard property #sound-dai-cells > and also an optional codec child node to hold codec specific properties. > Currently there is only one property in this node however the downstream > driver shows a number of other properties that are supported by the codec > hardware, that could be implemented in the future. This maintains the > existing driver ABI and keeps consistency with the rk817 bindings. So you are adding a new node? Just for one property? No, just put it into parent node. Downstream driver does not matter at all in that aspect. Best regards, Krzysztof