Re: [PATCH v1 0/2] TH1520 SoC: Add Reset Controller Support

[Michal Wilczynski]

On 3/3/25 16:25, Michal Wilczynski wrote:
> This patch series adds reset controller support for the T-Head TH1520 SoC,
> which is used in boards like the LicheePi 4A. While part of a broader effort to
> enable the Imagination BXM-4-64 GPU upstream, these patches focus on providing
> a dedicated reset controller driver and the corresponding Device Tree
> nodes/bindings.
> 
> Bigger series cover letter:
> https://lore.kernel.org/all/20250219140239.1378758-1-m.wilczynski@xxxxxxxxxxx/


This series should be versioned as v6, to maintain continuity with the
bigger patchset it is a subseries of. Please find below a changelog for
the reset sub-series:

v6:
 - split the reset part into sub-series, add the Reviewed-by from
   Philipp

v5:
 - Moved the reset de-assertion from the reset driver to the clock driver. The
   reset is now only de-asserted once the sys and core clocks have been enabled
 - Added and exported the GPU_CLKGEN reset, allowing the clock driver to reset
   the GPU clock circuit

v4:
 - reverted reset-cells configuration to single cell as in v2
 - maintained reset definitions in device tree bindings while deferring
   implementation of watchdog timer (WDT) reset functionality

v3:
 - refactored reset driver to use zero cells

v2:
 - developed a reset controller driver for the TH1520 to manage reset
   sequences
 - added new dt-bindings for reset

> 
> Michal Wilczynski (2):
>   dt-bindings: reset: Add T-HEAD TH1520 SoC Reset Controller
>   reset: thead: Add TH1520 reset controller driver
> 
>  .../bindings/reset/thead,th1520-reset.yaml    |  44 ++++++
>  MAINTAINERS                                   |   3 +
>  drivers/reset/Kconfig                         |  10 ++
>  drivers/reset/Makefile                        |   1 +
>  drivers/reset/reset-th1520.c                  | 135 ++++++++++++++++++
>  .../dt-bindings/reset/thead,th1520-reset.h    |  16 +++
>  6 files changed, 209 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml
>  create mode 100644 drivers/reset/reset-th1520.c
>  create mode 100644 include/dt-bindings/reset/thead,th1520-reset.h
>