linux-kernel - [PATCH v2 0/8] Add clock support for Loongson 2K0300 SoC

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Message-ID: <20250617162426.12629-1-ziyao@disroot.org>
Date: Tue, 17 Jun 2025 16:24:18 +0000
From: Yao Zi <ziyao@...root.org>
To: Yinbo Zhu <zhuyinbo@...ngson.cn>,
	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>
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 v2 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/ziyao233/160bb4693e7758b2a2a996d4510b7247
[2]: https://lore.kernel.org/all/20250523095408.25919-1-ziyao@disroot.org/

Changed from v1:
- Fold loongson,ls2k0300-clk.yaml into loongson,ls2k-clk.yaml
- Include the new binding header in MAINTAINERS
- Link to v1: https://lore.kernel.org/all/20250523104552.32742-1-ziyao@disroot.org/

Yao Zi (8):
  dt-bindings: clock: loongson2: Add Loongson 2K0300 compatible
  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,ls2k-clk.yaml     |  26 +++-
 MAINTAINERS                                   |   1 +
 .../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 ++++++++
 6 files changed, 193 insertions(+), 30 deletions(-)
 create mode 100644 include/dt-bindings/clock/loongson,ls2k0300-clk.h

-- 
2.49.0