linux-kernel - Re: [PATCH 4/5] reset: imx8mp-audiomix: Add support for DSP run/stall

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Message-ID: <20250218151242.GC6537@nxa18884-linux>
Date: Tue, 18 Feb 2025 23:12:43 +0800
From: Peng Fan <peng.fan@....nxp.com>
To: Daniel Baluta <daniel.baluta@....com>
Cc: p.zabel@...gutronix.de, shawnguo@...nel.org, mathieu.poirier@...aro.org,
	s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, andersson@...nel.org,
	linux-remoteproc@...r.kernel.org, iuliana.prodan@....com,
	laurentiu.mihalcea@....com, shengjiu.wang@....com, Frank.Li@....com,
	krzk@...nel.org
Subject: Re: [PATCH 4/5] reset: imx8mp-audiomix: Add support for DSP run/stall

On Tue, Feb 18, 2025 at 10:57:11AM +0200, Daniel Baluta wrote:
>We can Run/Stall the DSP via audio block control bits found in audiomix.
>Implement this functionality using the reset controller and use assert
>for Stall and deassert for Run.
>
>Signed-off-by: Daniel Baluta <daniel.baluta@....com>
>---
> drivers/reset/reset-imx8mp-audiomix.c | 12 ++++++++++--
> 1 file changed, 10 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/reset/reset-imx8mp-audiomix.c b/drivers/reset/reset-imx8mp-audiomix.c
>index 8cc0a6b58cbc..ee56d52a7278 100644
>--- a/drivers/reset/reset-imx8mp-audiomix.c
>+++ b/drivers/reset/reset-imx8mp-audiomix.c
>@@ -15,10 +15,14 @@
> #define IMX8MP_AUDIOMIX_EARC_RESET_MASK		0x1
> #define IMX8MP_AUDIOMIX_EARC_PHY_RESET_MASK	0x2
> 
>+#define IMX8MP_AUDIOMIX_DSP_OFFSET		0x108
>+#define IMX8MP_AUDIOMIX_DSP_RUNSTALL_MASK	0x20
>+
> #define IMX8MP_AUDIOMIX_EARC		0
> #define IMX8MP_AUDIOMIX_EARC_PHY	1
>+#define IMX8MP_AUDIOMIX_DSP		2

Move this to dt-binding?

Regards,
Peng