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

Alex Elder
2025-03-21T00:05:59Z

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@lists.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
>>
>