linux-kernel - [PATCH 0/8] Add clock support for Loongson 2K0300 SoC

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Message-ID: <20250523104552.32742-1-ziyao@disroot.org>
Date: Fri, 23 May 2025 10:45:44 +0000
From: Yao Zi <ziyao@...root.org>
To: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Huacai Chen <chenhuacai@...nel.org>,
	WANG Xuerui <kernel@...0n.name>,
	Yinbo Zhu <zhuyinbo@...ngson.cn>
Cc: linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	loongarch@...ts.linux.dev,
	Mingcong Bai <jeffbai@...c.io>,
	Kexy Biscuit <kexybiscuit@...c.io>,
	Yao Zi <ziyao@...root.org>
Subject: [PATCH 0/8] Add clock support for Loongson 2K0300 SoC

This series adds support for Loongson 2K0300's clock controller.
Loongson 2 clock driver is prepared to support more clock variants and
its flexibility is improved. All clock hardwares except the output one
for GMAC module are then defined.

A clock tree dump could be obtained here[1]. This series depends on v3
of series "Initial support for CTCISZ Forever Pi"[2] to apply.

[1]: https://gist.github.com/ziyao233/8cd3ab8ebbf291b5a4643284309274ea
[2]: https://lore.kernel.org/loongarch/20250523095408.25919-1-ziyao@disroot.org/

Yao Zi (8):
  dt-bindings: clock: Document Loongson 2K0300 clock controller
  clk: loongson2: Allow specifying clock flags for gate clock
  clk: loongson2: Support scale clocks with an alternative mode
  clk: loongson2: Allow zero divisors for dividers
  clk: loongson2: Avoid hardcoding firmware name of the reference clock
  clk: loongson2: Add clock definitions for Loongson 2K0300 SoC
  LoongArch: dts: Add clock tree for Loongson 2K0300
  LoongArch: dts: Remove clock-frquency from UART0 of CTCISZ Forever Pi

 .../bindings/clock/loongson,ls2k0300-clk.yaml |  52 ++++++++
 .../dts/loongson-2k0300-ctcisz-forever-pi.dts |   1 -
 arch/loongarch/boot/dts/loongson-2k0300.dtsi  |  17 ++-
 drivers/clk/clk-loongson2.c                   | 124 +++++++++++++++---
 .../dt-bindings/clock/loongson,ls2k0300-clk.h |  54 ++++++++
 5 files changed, 224 insertions(+), 24 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/clock/loongson,ls2k0300-clk.yaml
 create mode 100644 include/dt-bindings/clock/loongson,ls2k0300-clk.h

-- 
2.49.0