diff options
| author | Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com> | 2025-11-11 04:00:22 -0800 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2025-11-17 08:56:56 +0800 |
| commit | 9ceb1cf5b200d215292ea92a3e176806c847dae1 (patch) | |
| tree | 663afb932ad3928da0ba75de20dd0fdf2ca22f1d | |
| parent | 286e622bf4192b604b99a06ba1f37456a44862c2 (diff) | |
arm64: dts: imx8mp: make 'dsp' node depend on 'aips5'
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.
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mp-aipstz.h | 33 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mp.dtsi | 6 |
2 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-aipstz.h b/arch/arm64/boot/dts/freescale/imx8mp-aipstz.h new file mode 100644 index 000000000000..6481c484ca37 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-aipstz.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */ +/* + * Copyright 2025 NXP + */ + +#ifndef __IMX8MP_AIPSTZ_H +#define __IMX8MP_AIPSTZ_H + +/* consumer type - master or peripheral */ +#define IMX8MP_AIPSTZ_MASTER 0x0 +#define IMX8MP_AIPSTZ_PERIPH 0x1 + +/* master configuration options */ +#define IMX8MP_AIPSTZ_MPL (1 << 0) +#define IMX8MP_AIPSTZ_MTW (1 << 1) +#define IMX8MP_AIPSTZ_MTR (1 << 2) +#define IMX8MP_AIPSTZ_MBW (1 << 3) + +/* peripheral configuration options */ +#define IMX8MP_AIPSTZ_TP (1 << 0) +#define IMX8MP_AIPSTZ_WP (1 << 1) +#define IMX8MP_AIPSTZ_SP (1 << 2) +#define IMX8MP_AIPSTZ_BW (1 << 3) + +/* master ID definitions */ +#define IMX8MP_AIPSTZ_EDMA 0 /* AUDIOMIX EDMA */ +#define IMX8MP_AIPSTZ_CA53 1 /* Cortex-A53 cluster */ +#define IMX8MP_AIPSTZ_SDMA2 3 /* AUDIOMIX SDMA2 */ +#define IMX8MP_AIPSTZ_SDMA3 3 /* AUDIOMIX SDMA3 */ +#define IMX8MP_AIPSTZ_HIFI4 5 /* HIFI4 DSP */ +#define IMX8MP_AIPSTZ_CM7 6 /* Cortex-M7 */ + +#endif /* __IMX8MP_AIPSTZ_H */ diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index c4350cfd6e73..9b2b3a9bf9e8 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -13,6 +13,7 @@ #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/thermal/thermal.h> +#include "imx8mp-aipstz.h" #include "imx8mp-pinfunc.h" / { @@ -2506,6 +2507,11 @@ firmware-name = "imx/dsp/hifi4.bin"; resets = <&audio_blk_ctrl IMX8MP_AUDIOMIX_DSP_RUNSTALL>; reset-names = "runstall"; + access-controllers = <&aips5 + IMX8MP_AIPSTZ_HIFI4 + IMX8MP_AIPSTZ_MASTER + (IMX8MP_AIPSTZ_MPL | IMX8MP_AIPSTZ_MTW | IMX8MP_AIPSTZ_MTR) + >; status = "disabled"; }; }; |