linux-kernel - Re: [PATCH v4 0/3] riscv: canaan: Add support for K230-Canmv clock

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Message-ID: <20250218-poplar-iron-c894fe8deca6@spud>
Date: Tue, 18 Feb 2025 17:02:32 +0000
From: Conor Dooley <conor@...nel.org>
To: Xukai Wang <kingxukai@...omail.com>, Stephen Boyd <sboyd@...nel.org>
Cc: 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>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>, linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	Samuel Holland <samuel.holland@...ive.com>,
	Troy Mitchell <TroyMitchell988@...il.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v4 0/3] riscv: canaan: Add support for K230-Canmv clock

Stephen,

Is the driver in this series satisfactory to you? If it is, can I send
you a PR containing it and the binding so that I can apply the final
patch in the series (and merge the basic support for the k230 soc)?

Cheers,
Conor.

On Mon, Feb 17, 2025 at 10:45:15PM +0800, Xukai Wang wrote:
> This patch series adds clock controller support for the Canaan Kendryte
> K230 SoC. The K230 SoC includes an external 24MHz OSC and 4 internal
> PLLs, with the controller managing these sources and their derived clocks.
> 
> The clock tree and hardware-specific definition can be found in the
> vendor's DTS [1],
> and this series is based on the K230 initial series [2].
> 
> Link: https://github.com/kendryte/k230_sdk/blob/main/src/little/linux/arch/riscv/boot/dts/kendryte/clock_provider.dtsi [1]
> Link: https://lore.kernel.org/linux-clk/tencent_F76EB8D731C521C18D5D7C4F8229DAA58E08@qq.com/ [2]
> 
> Co-developed-by: Troy Mitchell <TroyMitchell988@...il.com>
> Signed-off-by: Troy Mitchell <TroyMitchell988@...il.com>
> Signed-off-by: Xukai Wang <kingxukai@...omail.com>
> 
> ---
> Changes in v4:
> - Remove redundant onecell_get callback and add_provider function
> for pll_divs.
> - Modify the base-commit in cover letter.
> - Link to v3: https://lore.kernel.org/r/20250203-b4-k230-clk-v3-0-362c79124572@zohomail.com
> 
> Changes in v3:
> - Reorder the defination and declaration in drivers code.
> - Reorder the properties in dts node.
> - Replace global variable `k230_sysclk` with dynamic memory allocation.
> - Rename the macro K230_NUM_CLKS to K230_CLK_NUM.
> - Use dev_err_probe for error handling.
> - Remove unused includes.
> - Link to v2: https://lore.kernel.org/r/20250108-b4-k230-clk-v2-0-27b30a2ca52d@zohomail.com
> 
> Changes in v2:
> - Add items and description.
> - Rename k230-clk.h to canaan,k230-clk.h
> - Link to v1: https://lore.kernel.org/r/20241229-b4-k230-clk-v1-0-221a917e80ed@zohomail.com
> 
> ---
> Xukai Wang (3):
>       dt-bindings: clock: Add bindings for Canaan K230 clock controller
>       clk: canaan: Add clock driver for Canaan K230
>       riscv: dts: canaan: Add clock initial support for K230
> 
>  .../devicetree/bindings/clock/canaan,k230-clk.yaml |   43 +
>  arch/riscv/boot/dts/canaan/k230.dtsi               |   32 +
>  drivers/clk/Kconfig                                |    6 +
>  drivers/clk/Makefile                               |    1 +
>  drivers/clk/clk-k230.c                             | 1347 ++++++++++++++++++++
>  include/dt-bindings/clock/canaan,k230-clk.h        |   49 +
>  6 files changed, 1478 insertions(+)
> ---
> base-commit: 7fdb24bbac37ce692346d60b89f5aa29844b8b88
> change-id: 20241206-b4-k230-clk-925f33fed6c2
> 
> Best regards,
> -- 
> Xukai Wang <kingxukai@...omail.com>
> 

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