linux-kernel - [PATCH v5 0/3] riscv: sophgo: add dmamux support for Sophgo CV1800/SG2000 SoCs

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Date: Tue, 26 Mar 2024 09:44:42 +0800
From: Inochi Amaoto <inochiama@...look.com>
To: Vinod Koul <vkoul@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Chen Wang <unicorn_wang@...look.com>,
	Inochi Amaoto <inochiama@...look.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>
Cc: Jisheng Zhang <jszhang@...nel.org>,
	Liu Gui <kenneth.liu@...hgo.com>,
	Jingbao Qiu <qiujingbao.dlmu@...il.com>,
	dlan@...too.org,
	dmaengine@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org
Subject: [PATCH v5 0/3] riscv: sophgo: add dmamux support for Sophgo CV1800/SG2000 SoCs

Add dma multiplexer support for the Sophgo CV1800/SG2000 SoCs.

Changed from v4:
1. remove the syscon binding since it can not be complete (still
lack some subdevices)
2. add reg description for the binding,
3. remove the fixed channel assign for dmamux binding
3. driver adopt to the binding change. Now the driver allocates all the
channel when initing and maps the request chan to the channel dynamicly.

Changed from v3:
1. fix dt-binding address issue.

Changed from v2:
1. add reg property of dmamux node in the binding of patch 2

Changed from v1:
1. fix wrong title of patch 2.

Inochi Amaoto (3):
  dt-bindings: dmaengine: Add dmamux for CV18XX/SG200X series SoC
  soc/sophgo: add top sysctrl layout file for CV18XX/SG200X
  dmaengine: add driver for Sophgo CV18XX/SG200X dmamux

 .../bindings/dma/sophgo,cv1800-dmamux.yaml    |  48 ++++
 drivers/dma/Kconfig                           |   9 +
 drivers/dma/Makefile                          |   1 +
 drivers/dma/cv1800-dmamux.c                   | 268 ++++++++++++++++++
 include/dt-bindings/dma/cv1800-dma.h          |  55 ++++
 include/soc/sophgo/cv1800-sysctl.h            |  30 ++
 6 files changed, 411 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/dma/sophgo,cv1800-dmamux.yaml
 create mode 100644 drivers/dma/cv1800-dmamux.c
 create mode 100644 include/dt-bindings/dma/cv1800-dma.h
 create mode 100644 include/soc/sophgo/cv1800-sysctl.h

--
2.44.0