| Message ID | 20250401154404.45932-7-laurentiumihalcea111@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | imx8mp: add support for the IMX AIPSTZ bridge | expand |
On Tue, Apr 01, 2025 at 11:44:04AM -0400, Laurentiu Mihalcea wrote: > From: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com> > > The DSP needs to access peripherals on AIPSTZ5 (to communicate with > the AP using AUDIOMIX MU, for instance). To do so, the security-related > registers of the bridge have to be configured before the DSP is started. > Enforce a dependency on AIPSTZ5 by adding the 'access-controllers' > property to the 'dsp' node. > > Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com> Reviewed-by: Frank Li <Frank.Li@nxp.com> > --- > arch/arm64/boot/dts/freescale/imx8mp.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi > index ebbc99f9ceba..f0f0ff5edea6 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi > @@ -2425,6 +2425,7 @@ dsp: dsp@3b6e8000 { > mboxes = <&mu2 2 0>, <&mu2 2 1>, > <&mu2 3 0>, <&mu2 3 1>; > memory-region = <&dsp_reserved>; > + access-controllers = <&aips5 IMX8MP_AIPSTZ_HIFI4_T_RW_PL>; > status = "disabled"; > }; > }; > -- > 2.34.1 >
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index ebbc99f9ceba..f0f0ff5edea6 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -2425,6 +2425,7 @@ dsp: dsp@3b6e8000 { mboxes = <&mu2 2 0>, <&mu2 2 1>, <&mu2 3 0>, <&mu2 3 1>; memory-region = <&dsp_reserved>; + access-controllers = <&aips5 IMX8MP_AIPSTZ_HIFI4_T_RW_PL>; status = "disabled"; }; };