[PATCH V5 00/16] Cleanup MediaTek clk reset drivers and support MT8192/MT8195

Rex-BC Chen rex-bc.chen at mediatek.com
Fri May 6 03:25:20 PDT 2022


On Thu, 2022-04-28 at 19:56 +0800, Rex-BC Chen wrote:
> In this series, we cleanup MediaTek clock reset drivers in
> clk/mediatek
> folder. MediaTek clock reset driver is used to provide reset control
> of modules controlled in clk, like infra_ao.
> 
> Changes for V5:
> 1. Add all infra reset bits for MT8192 and MT8195.
> 2. Fix reviewers' comments.
> 
> Changes for V4:
> 1. Abandon the implementation of reset-cell = 2, and use reset index
> to
>    determine which reset bit is used.
> 2. Add documentation for enum/structure/function in reset.h.
> 3. Combine binding/drvier support patch for MT8192 and MT8195.
> 4. The MT8195 DTS is accepted by Matthias, and I add new DTS patch to
>    support infracfg_ao reset for MT8195. The DTS of MT8195 is still
>    not merged into mainline. Please refer to [1].
> 
> [1]: 
> https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux.git/commit/?h=for-next&id=37f2582883be7218dc69f9af135959a8e93de223
> 
> Changes for V3:
> 1. Modify drivers for reviewers' comments.
> 2. Add dt-binding patch for MT8192/MT8195 infra.
> 3. Add reset property of infra node for MT8192.
> 4. Use original function for simple operation.
> 
> Changes for V2:
> 1. Modify drivers for reviewers' comments.
> 2. Use simple reset to replace v1.
> 3. Recover v2 to set_clr.
> 4. Separate error handling to another patch.
> 5. Add support for input offset and bit from DT.
> 6. Add support for MT8192 and MT8195.
> 
> Rex-BC Chen (16):
>   clk: mediatek: reset: Add reset.h
>   clk: mediatek: reset: Fix written reset bit offset
>   clk: mediatek: reset: Refine and reorder functions in reset.c
>   clk: mediatek: reset: Extract common drivers to update function
>   clk: mediatek: reset: Merge and revise reset register function
>   clk: mediatek: reset: Revise structure to control reset register
>   clk: mediatek: reset: Support nonsequence base offsets of reset
> registers
>   clk: mediatek: reset: Change return type for clock reset register
> function
>   clk: mediatek: reset: Add new register reset function with device
>   clk: mediatek: reset: Add reset support for simple probe
>   dt-bindings: arm: mediatek: Add #reset-cells property for
> MT8192/MT8195
>   dt-bindings: reset: mediatek: Add infra_ao reset bit for MT8195
>   dt-bindings: reset: mediatek: Add infra_ao reset bit for MT8192
>   clk: mediatek: reset: Add infra_ao reset support for MT8192/MT8195
>   arm64: dts: mediatek: Add infra #reset-cells property for MT8192
>   arm64: dts: mediatek: Add infra #reset-cells property for MT8195
> 
>  .../mediatek/mediatek,mt8192-sys-clock.yaml   |   3 +
>  .../mediatek/mediatek,mt8195-sys-clock.yaml   |   3 +
>  arch/arm64/boot/dts/mediatek/mt8192.dtsi      |   1 +
>  arch/arm64/boot/dts/mediatek/mt8195.dtsi      |  13 +-
>  drivers/clk/mediatek/clk-mt2701-eth.c         |  10 +-
>  drivers/clk/mediatek/clk-mt2701-g3d.c         |  10 +-
>  drivers/clk/mediatek/clk-mt2701-hif.c         |  10 +-
>  drivers/clk/mediatek/clk-mt2701.c             |  22 ++-
>  drivers/clk/mediatek/clk-mt2712.c             |  22 ++-
>  drivers/clk/mediatek/clk-mt7622-eth.c         |  10 +-
>  drivers/clk/mediatek/clk-mt7622-hif.c         |  12 +-
>  drivers/clk/mediatek/clk-mt7622.c             |  22 ++-
>  drivers/clk/mediatek/clk-mt7629-eth.c         |  10 +-
>  drivers/clk/mediatek/clk-mt7629-hif.c         |  12 +-
>  drivers/clk/mediatek/clk-mt8135.c             |  22 ++-
>  drivers/clk/mediatek/clk-mt8173.c             |  22 ++-
>  drivers/clk/mediatek/clk-mt8183.c             |  18 +-
>  drivers/clk/mediatek/clk-mt8192.c             |  18 ++
>  drivers/clk/mediatek/clk-mt8195-infra_ao.c    |  15 ++
>  drivers/clk/mediatek/clk-mtk.c                |   7 +
>  drivers/clk/mediatek/clk-mtk.h                |   9 +-
>  drivers/clk/mediatek/reset.c                  | 172 ++++++++++++--
> ----
>  drivers/clk/mediatek/reset.h                  |  77 ++++++++
>  include/dt-bindings/reset/mt8192-resets.h     | 163
> +++++++++++++++++
>  include/dt-bindings/reset/mt8195-resets.h     | 170
> +++++++++++++++++
>  25 files changed, 759 insertions(+), 94 deletions(-)
>  create mode 100644 drivers/clk/mediatek/reset.h
> 
> -- 
> 2.18.0
> 

Hello Stephen and Michael,

Could you spare some time to give us some suggestion?
Patches of this series are all reviewed.

Many thanks!

BRs,
Rex




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