From: Xueyuan Chen <xueyuan.chen21@gmail.com>
To: Philipp Zabel <p.zabel@pengutronix.de>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Peter Chen <peter.chen@cixtech.com>,
Fugang Duan <fugang.duan@cixtech.com>
Cc: Gary Yang <gary.yang@cixtech.com>,
CIX Linux Kernel Upstream Group <cix-kernel-upstream@cixtech.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Xueyuan Chen <xueyuan.chen21@gmail.com>
Subject: [PATCH v4 0/3] reset: cix: add support for cix sky1 resets
Date: Sun, 1 Mar 2026 15:09:07 +0800 [thread overview]
Message-ID: <20260301070910.6169-1-xueyuan.chen21@gmail.com> (raw)
This patch series adds support for the System Reset Controller (SRC)
found on the CIX Sky1 SoC. The SRC provides reset capabilities to various
peripherals across the S0 and S5 domains.
Changes in v4:
- Restored the 'syscon' architecture to properly describe the SRC as a
unified memory region, addressing DT review feedback from Conor Dooley on v3.
- Replaced the fragmented 'reg' items in the YAML bindings and DTS with
unified contiguous memory regions (e.g., 0x16000000 and 0x04160000).
- Refactored the driver to drop independent ioremap logic. It now cleanly
fetches the regmap via syscon_node_to_regmap to prevent resource conflicts.
- Xueyuan Chen took over the patchset for architectural refactoring.
Changes in v3:
- Passed dts build checks (dt_binding_check, CHECK_DTBS).
- Removed initial syscon attempt (reverted in v4 for the correct architecture).
Gary Yang (1):
dt-bindings: reset: add sky1 reset controller
Xueyuan Chen (2):
reset: cix: add support for cix sky1 resets
arm64: dts: cix: add src syscon nodes for sky1 resets
.../bindings/reset/cix,sky1-rst.yaml | 51 +++
arch/arm64/boot/dts/cix/sky1.dtsi | 12 +
drivers/reset/Kconfig | 7 +
drivers/reset/Makefile | 1 +
drivers/reset/reset-sky1.c | 372 ++++++++++++++++++
include/dt-bindings/reset/cix,sky1-rst-fch.h | 42 ++
include/dt-bindings/reset/cix,sky1-rst.h | 164 ++++++++
7 files changed, 649 insertions(+)
create mode 100644 Documentation/devicetree/bindings/reset/cix,sky1-rst.yaml
create mode 100644 drivers/reset/reset-sky1.c
create mode 100644 include/dt-bindings/reset/cix,sky1-rst-fch.h
create mode 100644 include/dt-bindings/reset/cix,sky1-rst.h
--
2.43.0
next reply other threads:[~2026-03-01 7:09 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-01 7:09 Xueyuan Chen [this message]
2026-03-01 7:09 ` [PATCH v4 1/3] dt-bindings: reset: add sky1 reset controller Xueyuan Chen
2026-03-01 11:04 ` Krzysztof Kozlowski
2026-03-01 13:13 ` 回复: " Gary Yang
2026-03-01 7:09 ` [PATCH v4 2/3] reset: cix: add support for cix sky1 resets Xueyuan Chen
2026-03-01 7:09 ` [PATCH v4 3/3] arm64: dts: cix: add src syscon nodes for " Xueyuan Chen
2026-03-01 11:05 ` Krzysztof Kozlowski
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