linux-kernel - Re: [PATCH 0/7] clk: spacemit: add K1 reset support

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Message-ID: <fe26de4f-5593-4f34-a752-5fb051972c31@riscstar.com>
Date: Thu, 20 Mar 2025 19:05:57 -0500
From: Alex Elder <elder@...cstar.com>
To: Yixun Lan <dlan@...too.org>
Cc: p.zabel@...gutronix.de, mturquette@...libre.com, sboyd@...nel.org,
 robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, heylenay@....org,
 guodong@...cstar.com, paul.walmsley@...ive.com, palmer@...belt.com,
 aou@...s.berkeley.edu, devicetree@...r.kernel.org,
 linux-clk@...r.kernel.org, linux-riscv@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/7] clk: spacemit: add K1 reset support

On 3/20/25 6:21 PM, Yixun Lan wrote:
> Hi Alex:
> 
> Thanks for sending this patch series
> 
> Can you also CC spacemit mailing list: spacemit@...ts.linux.dev
> it should be handled automaticlly in next 6.15-rc1 version as the
> MAINTAINERS file updated
> https://web.git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git/commit/?id=4a0c4e723c94

Sorry about that.  I will copy it on my next version.

Are you asking me to RESEND this series with that addition?

					-Alex

> On 14:44 Thu 20 Mar     , Alex Elder wrote:
>> This series adds reset controller support for the SpacemiT K1 SoC.
>> It is based on Linux v6.14-rc1.
>>
>> It is built upon the clock controller driver that Haylen Chu
>> currently has out for review (currently at v5):
>>    https://lore.kernel.org/lkml/20250306175750.22480-2-heylenay@4d2.org/
>>
>> It also depends on two commits that will land in v6.15: 5728c92ae1123
>> ("mfd: syscon: Restore device_node_to_regmap() for non-syscon nodes")
>> and 7ff4faba63571 ("pinctrl: spacemit: enable config option").
>>
> you can use b4 to handle patch dependency, and currently you may got
> linux.riscv.bot complaint, but may fix later
> https://github.com/linux-riscv/github-ci/issues/24
> 
>> The first patch adds three more system controller CCU nodes to those
>> implemented by the SpacemiT K1.  The second updates the existing clock
>> driver with a structure used for OF match data, allowing both clocks
>> and resets to be specified.  The third provides code that implements
>> reset functionality.  The fourth defines groups of reset controls
>> implemented by the CCUs that have alraady been defined.  The fifth
>> makes it possible for a CCU to be defined with resets but no clocks.
>> The sixth defines three new CCUs which define only resets.  And the
>> last patch defines these additional syscon nodes in "k1.dtsi".
>>
>> All of these patches are available here:
>>    https://github.com/riscstar/linux/tree/outgoing/reset-v1
>>
>> 					-Alex
>>
>> Alex Elder (7):
>>    dt-bindings: soc: spacemit: define spacemit,k1-ccu resets
>>    clk: spacemit: define struct k1_ccu_data
>>    clk: spacemit: add reset controller support
>>    clk: spacemit: define existing syscon resets
>>    clk: spacemit: make clocks optional
>>    clk: spacemit: define new syscons with only resets
>>    riscv: dts: spacemit: add reset support for the K1 SoC
>>
>>   .../soc/spacemit/spacemit,k1-syscon.yaml      |  13 +-
>>   arch/riscv/boot/dts/spacemit/k1.dtsi          |  18 +
>>   drivers/clk/spacemit/ccu-k1.c                 | 393 +++++++++++++++++-
>>   include/dt-bindings/clock/spacemit,k1-ccu.h   | 134 ++++++
>>   4 files changed, 539 insertions(+), 19 deletions(-)
>>
>> -- 
>> 2.43.0
>>
>