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Since these configurations need to be applied before > accessing any of the peripherals on the bus, it's better to make AIPSTZ5 > be their parent instead of keeping AIPS5 and adding a child node for > AIPSTZ5. Also, because of the security configurations, the address space > of the bus has to be changed to that of the configuration registers. > > Finally, since AIPSTZ5 belongs to the AUDIOMIX power domain, add the > missing 'power-domains' property. The domain needs to be powered on before > attempting to configure the security-related registers. > > The DT node name is not changed to avoid potential issues with DTs in > which this node is referenced. > > Co-developed-by: Daniel Baluta > Signed-off-by: Daniel Baluta > Signed-off-by: Laurentiu Mihalcea Reviewed-by: Frank Li > --- > arch/arm64/boot/dts/freescale/imx8mp.dtsi | 10 ++++++---- > 1 file changed, 6 insertions(+), 4 deletions(-) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi > index ce6793b2d57e..aa7940c65f2d 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi > @@ -1399,12 +1399,14 @@ eqos: ethernet@30bf0000 { > }; > }; > > - aips5: bus@30c00000 { > - compatible = "fsl,aips-bus", "simple-bus"; > - reg = <0x30c00000 0x400000>; > + aips5: bus@30df0000 { > + compatible = "fsl,imx8mp-aipstz"; > + reg = <0x30df0000 0x10000>; > + power-domains = <&pgc_audio>; > #address-cells = <1>; > #size-cells = <1>; > - ranges; > + #access-controller-cells = <3>; > + ranges = <0x30c00000 0x30c00000 0x400000>; > > spba-bus@30c00000 { > compatible = "fsl,spba-bus", "simple-bus"; > -- > 2.34.1 >