[PATCH] arm64: dts: imx8mp-ab2: Enable MU2 for DSP communication

Frank.Li at oss.nxp.com Frank.Li at oss.nxp.com
Mon Jun 29 14:18:27 PDT 2026


From: Frank Li <Frank.Li at nxp.com>


On Thu, 25 Jun 2026 13:47:09 +0800, shengjiu.wang at oss.nxp.com wrote:
> Enable the MU2 (Message Unit 2) node on the i.MX8MP Audio Board v2.
> MU2 is required for inter-processor communication between the
> application CPU and the HiFi4 DSP, allowing DSP firmware to exchange
> control and status messages with the Linux host.
> 
> Without this change, the DSP driver cannot establish the message
> channel and DSP audio processing is non-functional.
> 
> [...]

Applied, thanks!

[1/1] arm64: dts: imx8mp-ab2: Enable MU2 for DSP communication
      commit: b1b6c1c4d3c63d8097c933009bdb618d1be18305

Best regards,
-- 
Frank Li <Frank.Li at nxp.com>



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