Audio block control contains a set of registers some of them used for DSP configuration. Drivers (rproc, SOF) are using fsl,dsp-ctrl property to access those registers in order to control the operations of the DSP (e.g for start, reset, etc). Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxx> --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index 41ff40ab5da2..fa4ff75af12d 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -1616,7 +1616,7 @@ sdma2: dma-controller@30e10000 { }; audio_blk_ctrl: clock-controller@30e20000 { - compatible = "fsl,imx8mp-audio-blk-ctrl"; + compatible = "fsl,imx8mp-audio-blk-ctrl", "syscon"; reg = <0x30e20000 0x10000>; #clock-cells = <1>; #reset-cells = <1>; @@ -2433,6 +2433,7 @@ dsp: dsp@3b6e8000 { mboxes = <&mu2 0 0>, <&mu2 1 0>, <&mu2 3 0>; firmware-name = "imx/dsp/hifi4.bin"; memory-region = <&dsp_reserved>; + fsl,dsp-ctrl = <&audio_blk_ctrl>; status = "disabled"; }; }; -- 2.43.0