linux-kernel - [PATCH 0/4] reset: introduct generic bit reset controller

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Message-ID: <20250213020900.745551-1-inochiama@gmail.com>
Date: Thu, 13 Feb 2025 10:08:53 +0800
From: Inochi Amaoto <inochiama@...il.com>
To: Philipp Zabel <p.zabel@...gutronix.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Chen Wang <unicorn_wang@...look.com>,
	Inochi Amaoto <inochiama@...il.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Guo Ren <guoren@...nel.org>,
	Uwe Kleine-König <u.kleine-koenig@...libre.com>
Cc: devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	sophgo@...ts.linux.dev,
	linux-riscv@...ts.infradead.org,
	Yixun Lan <dlan@...too.org>,
	Longbin Li <looong.bin@...il.com>
Subject: [PATCH 0/4] reset: introduct generic bit reset controller

Many SoC have a simple reset controller with toggling bit to perform
assert/deassert. It is annoyed to add compatiable for each device when
coming a new SoC. It is necessary to introduct a generic device to
simplify these things.

Add a simple generic bit reset controller, and migrate the Sophgo
SG2042 reset controller as an example.

Inochi Amaoto (4):
  dt-bindings: reset: add generic bit reset controller
  reset: simple: add support generic reset-simple device
  dt-bindings: reset: simple: migrate sophgo sg2042 reset controller
  riscv: dts: sg2042: Adapt reset generator for new binding

 .../bindings/reset/reset-simple.yaml          | 46 +++++++++++++++++++
 .../bindings/reset/sophgo,sg2042-reset.yaml   | 35 --------------
 arch/riscv/boot/dts/sophgo/sg2042.dtsi        |  2 +-
 drivers/reset/reset-simple.c                  |  3 ++
 4 files changed, 50 insertions(+), 36 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/reset/reset-simple.yaml
 delete mode 100644 Documentation/devicetree/bindings/reset/sophgo,sg2042-reset.yaml

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2.48.1