linux-kernel - Re: [PATCH v7 5/6] arm64: dts: imx8mp: add aipstz-related definitions

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Message-ID: <CAEnQRZD0RYeOsy-0cK4CDzroKySoOoKu=nJD4GT+Tyiii9x43A@mail.gmail.com>
Date: Fri, 20 Jun 2025 16:33:50 +0300
From: Daniel Baluta <daniel.baluta@...il.com>
To: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
	Sascha Hauer <s.hauer@...gutronix.de>, Fabio Estevam <festevam@...il.com>, 
	Daniel Baluta <daniel.baluta@....com>, Shengjiu Wang <shengjiu.wang@....com>, 
	Frank Li <Frank.Li@....com>, Marco Felsch <m.felsch@...gutronix.de>, 
	Marc Kleine-Budde <mkl@...gutronix.de>, Alexander Stein <alexander.stein@...tq-group.com>, 
	Pengutronix Kernel Team <kernel@...gutronix.de>, devicetree@...r.kernel.org, imx@...ts.linux.dev, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 5/6] arm64: dts: imx8mp: add aipstz-related definitions

On Tue, Jun 10, 2025 at 7:04 PM Laurentiu Mihalcea
<laurentiumihalcea111@...il.com> wrote:
>
> From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
>
> Add header file with AIPSTZ-related definitions: consumer types,
> master/peripheral configuration bits, and master ID definitions.
>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@....com>

Reviewed-by: Daniel Baluta <daniel.baluta@....com>

> ---
>  arch/arm64/boot/dts/freescale/imx8mp-aipstz.h | 33 +++++++++++++++++++
>  arch/arm64/boot/dts/freescale/imx8mp.dtsi     |  1 +
>  2 files changed, 34 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-aipstz.h
>
> 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 307e1671eccf..9b550f225856 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"
>
>  / {
> --
> 2.34.1
>
>