linux-kernel - [PATCH 0/4] Add reset controllers for other TH1520 subsystems

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Message-ID: <20250901042320.22865-1-ziyao@disroot.org>
Date: Mon,  1 Sep 2025 04:23:16 +0000
From: Yao Zi <ziyao@...root.org>
To: Drew Fustini <fustini@...nel.org>,
	Guo Ren <guoren@...nel.org>,
	Fu Wei <wefu@...hat.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Alexandre Ghiti <alex@...ti.fr>,
	Michal Wilczynski <m.wilczynski@...sung.com>
Cc: linux-riscv@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Icenowy Zheng <uwu@...nowy.me>,
	Han Gao <rabenda.cn@...il.com>,
	Han Gao <gaohan@...as.ac.cn>,
	Yao Zi <ziyao@...root.org>
Subject: [PATCH 0/4] Add reset controllers for other TH1520 subsystems

TH1520 SoC is split into several subsystems, and each of them comes with
distinct reset controllers. We've already had the one for VO subsystem
documented as "thead,th1520-reset" and supported, and this series adds
support for others, including AO, VI, MISC, AP, DSP and VO.

Note the reset controller for AO subsystem is marked as "reserved" in
devicetree since AON firmware may make use of it and access in Linux
side may cause races.

This series is based on next-20250829, thanks for your time and review.

Yao Zi (4):
  dt-bindings: reset: thead,th1520-reset: Add controllers for more
    subsys
  reset: th1520: Prepare for supporting multiple controllers
  reset: th1520: Support reset controllers in more subsystems
  riscv: dts: thead: Add reset controllers of more subsystems for TH1520

 .../bindings/reset/thead,th1520-reset.yaml    |   8 +-
 arch/riscv/boot/dts/thead/th1520.dtsi         |  37 +
 drivers/reset/reset-th1520.c                  | 835 +++++++++++++++++-
 .../dt-bindings/reset/thead,th1520-reset.h    | 219 ++++-
 4 files changed, 1083 insertions(+), 16 deletions(-)

-- 
2.50.1