linux-kernel - [PATCH v2 0/8] imx8mp: Add support to Run/Stall DSP via reset API

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Message-Id: <20250219192102.423850-1-daniel.baluta@nxp.com>
Date: Wed, 19 Feb 2025 21:20:54 +0200
From: Daniel Baluta <daniel.baluta@....com>
To: p.zabel@...gutronix.de,
	robh@...nel.org,
	shawnguo@...nel.org
Cc: krzk+dt@...nel.org,
	conor+dt@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	mathieu.poirier@...aro.org,
	shengjiu.wang@....com,
	Frank.Li@....com,
	peng.fan@....com,
	laurentiu.mihalcea@....com,
	iuliana.prodan@....com,
	Daniel Baluta <daniel.baluta@....com>
Subject: [PATCH v2 0/8] imx8mp: Add support to Run/Stall DSP via reset API

This patch series adds support to Run/Stall DSP found on i.MX8MP via the
reset controller API.

I've addressed all review comments from v1
(https://www.spinics.net/lists/kernel/msg5556023.html)
and because of the review I've introduced 3 new patches (1-3) in order
to support resets ids via dt-bindings from
include/dt-bindings/reset/imx8mp-reset-audiomix.h

Also picked up all R-b from Frank Li, Peng Fan and  Philipp Zabel.

Patches 1,2, 4-7 - should go via reset controller tree.
Patch 8 - should go via remoteproc tree.

Later after all these patches are merged we can also merge patch 3/8
via dts tree (Shawn's tree).

Daniel Baluta (8):
  dt-bindings: reset: audiomix: Add reset ids for EARC and DSP
  dt-bindings: dsp: fsl,dsp: Add resets property
  arm64: dts: imx8mp: Add resets to dsp node
  reset: imx8mp-audiomix: Add prefix for internal macro
  reset: imx8mp-audiomix: Prepare the code for more reset bits
  reset: imx8mp-audiomix: Introduce active_low configuration option
  reset: imx8mp-audiomix: Add support for DSP run/stall
  imx_dsp_rproc: Use reset controller API to control the DSP

 .../devicetree/bindings/dsp/fsl,dsp.yaml      | 19 ++++-
 arch/arm64/boot/dts/freescale/imx8mp.dtsi     |  2 +
 drivers/remoteproc/imx_dsp_rproc.c            | 25 ++++--
 drivers/remoteproc/imx_rproc.h                |  2 +
 drivers/reset/reset-imx8mp-audiomix.c         | 77 +++++++++++++------
 .../dt-bindings/reset/imx8mp-reset-audiomix.h | 13 ++++
 6 files changed, 107 insertions(+), 31 deletions(-)
 create mode 100644 include/dt-bindings/reset/imx8mp-reset-audiomix.h

-- 
2.25.1