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

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Message-ID: <20220428115620.13512-1-rex-bc.chen@mediatek.com>
Date:   Thu, 28 Apr 2022 19:56:03 +0800
From:   Rex-BC Chen <rex-bc.chen@...iatek.com>
To:     <mturquette@...libre.com>, <sboyd@...nel.org>,
        <matthias.bgg@...il.com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>
CC:     <p.zabel@...gutronix.de>,
        <angelogioacchino.delregno@...labora.com>,
        <chun-jie.chen@...iatek.com>, <wenst@...omium.org>,
        <runyang.chen@...iatek.com>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        Rex-BC Chen <rex-bc.chen@...iatek.com>
Subject: [PATCH V5 00/16] Cleanup MediaTek clk reset drivers and support MT8192/MT8195

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