On Thu, Mar 30, 2023 at 11:16:08PM +0800, Walker Chen wrote: > On 2023/3/30 15:58, Conor Dooley wrote: > > Excuse me for not following here, but Walker, could you point me at > > where in the schematic for the VisionFive 2 that this wm8960 actually > > is? > > I know ~nothing about audio, but good old Google tells me that this is a > > dedicated codec chip and I was looking at [1] and could not easily find > > it on the schematic. > > 1 https://doc-en.rvspace.org/VisionFive2/PDF/SCH_RV002_V1.2A_20221216.pdf > The TDM need work together with external codec WM8960 by plugging the raspberry pie > audio board into the 40-pin, which is found in sheet 21 of the schematic. Because the > 40-pin of VisionFive2 is fully compatible with the pins of Raspberry pie audio board. > > For more information of the audio board, you can take a look at the following webpage: > https://wiki.seeedstudio.com/ReSpeaker_2_Mics_Pi_HAT/ > > The schematic of audio board: > https://files.seeedstudio.com/wiki/MIC_HATv1.0_for_raspberrypi/src/ReSpeaker%202-Mics%20Pi%20HAT_SCH.pdf Ahh, I feared that this was the case. If it's not on the board, then it shouldn't be in the dts (and certainly nothing should be in jh7110.dtsi!). I suppose this should be a dt-overlay, but I don't know anything about the upstream infrastructure for those. Nor do I know what is permitted in terms of overlays. Thanks, Conor.
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