Re: [alsa-devel] [PATCH 4/5] ASoC: sam9g20_wm8731: convert to device tree support

On Mon, Oct 22, 2012 at 06:17:58PM +0800, Bo Shen wrote:

Covert sam9g20 wm8731 to device tree support And enable it through dts file

Tested on sam9g20 EK board

This needs to add binding documentation for the board.

• dai: dai {

• compatible = "atmel,atmel-ssc-dai";
  

• atmel,dai-master = <&ssc0>;
  

• };

This looks wrong - this is a Linux-specific virtual device sitting on top of the SSC which is the actual physical device. The usual patterns would be something like have the machine driver register the DAI based on the SSC specified in the bindings (much like how you're handling the platform already).