qca,ipq4019-pcm VOIP PCM driver for IPQ4019 Required properties: - compatible : "qca,ipq4019-pcm" - reg : should have the pcm register address, length - dma-tx-channel : should have the mbox tx channel id - dma-rx-channel : should have the mbox rx channel id - stereo-tx-port : should have the stereo tx id - stereo-rx-port : should have the stereo rx id Example: pcm: pcm_@7704000 { compatible = "qca,ipq4019-pcm"; reg = <0x7704000 0x2000>; dma-tx-channel = ; dma-rx-channel = ; stereo-tx-port = ; stereo-rx-port = ; status = "disabled"; };