Re: [PATCH v5 2/5] arm64: dts: imx8mp: Add mu2 root clock

[Alexander Stein <alexander.stein@ew.tq-group.com>]

Am Montag, 17. März 2025, 14:33:03 CET schrieb Daniel Baluta:
> Enable MU2 node and add mu2 root clock.
> MU2 is used to communicate with DSP core.
> 
> Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>
> Reviewed-by: Peng Fan <peng.fan@nxp.com>
> Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/imx8mp.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> index 3b725fe442d0..5b443fbeded8 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -1253,7 +1253,7 @@ mu2: mailbox@30e60000 {
>  				reg = <0x30e60000 0x10000>;
>  				interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
>  				#mbox-cells = <2>;
> -				status = "disabled";

There is no need to enable MU2 if the DSP is disabled by default, no?

Best regards
Alexander

> +				clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_MU2_ROOT>;
>  			};
>  
>  			i2c5: i2c@30ad0000 {
> 


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