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

Yixun Lan
2025-03-20T23:21:39Z

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

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
>

--
Yixun Lan (dlan)
Gentoo Linux Developer
GPG Key ID AABEFD55