RE: [PATCH 4/5] arm64: dts: imx8mp: Add fsl,dsp-ctrl property for dsp

[Peng Fan]

> Subject: [PATCH 4/5] arm64: dts: imx8mp: Add fsl,dsp-ctrl property for
> dsp
> 
> 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";

This requires binding update as I recall.

Regards,
Peng.

>  				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
>