[PATCH v12] clk: Add common clock support for Mediatek MT8135 and MT8173

[Sascha Hauer]

The following changes since commit 39a8804455fb23f09157341d3ba7db6d7ae6ee76:

  Linux 4.0 (2015-04-12 15:12:50 -0700)

are available in the git repository at:

  git://git.pengutronix.de/git/sha/linux-2.6.git tags/v4.0-clk-mediatek-v12

for you to fetch changes up to e0ebeaa8a3f4a762cb9c2780170445aad15915d1:

  dt-bindings: ARM: Mediatek: Document devicetree bindings for clock/reset controllers (2015-04-23 10:22:34 +0200)

----------------------------------------------------------------
This patchset contains the initial common clock support for Mediatek SoCs.
Mediatek SoC's clock architecture comprises of various PLLs, dividers, muxes
and clock gates.

Changes in v12:
- Fix UART clocks: Add clocks providing the baudrate
- enable necessary but unused clocks for surviving the disabling
  of unused clocks
- cleanup clock define names: remove _CK suffix and consistently
  add a CLK_ prefix
- add and use mtk_clk_register_composites() for registering multiple
  composite clocks

Changes in v11:
- Use more defines in PLL code
- drop unused pr_fmt
- use i++ instead of ++i in two places

Changes in v10:
- polish some commit messages

Changes in v9:
- rename 'lock' to 'mt81xx_clk_lock' to get better lockdep output

Changes in v8:
- add patch to allow to put parent_name arrays in __initconst
- put parent_name arrays into __initconst

Changes in v7:
- fix duplicate definition/declaration of mtk_register_reset_controller
- fix pd_reg offset of tvdpll
- make clk initialization arrays const

Changes in v6:
- rework PLL support, only a fraction of original size now
- Move binding docs to Documentation/devicetree/bindings/arm/mediatek since
  the units are not really clock specific (they contain reset controllers)

Changes in v5:
- Add reset controller support for pericfg/infracfg
- Use regmap for the gates
- remove now unnecessary spinlock for the gates
- Add PMIC wrapper support as of v3

Changes in v4:
- Support MT8173 platform.
- Re-ordered patchset. driver/clk/Makefile in 2nd patch.
- Extract the common part definition(mtk_gate/mtk_pll/mtk_mux) from
  clk-mt8135.c/clk-mt8173.c to clk-mtk.c.
- Refine code. Rmove unnessacary debug information and unsed defines,
  add prefix "mtk_" for static functions.
- Remove flag CLK_IGNORE_UNUSED and set flag CLK_SET_RATE_PARENT on
  gate/mux/fixed-factor.
- Use spin_lock_irqsave(&clk_ops_lock, flags) instead of mtk_clk_lock.
- Example above include a node for the clock controller itself, followed
  by the i2c controller example above.

Changes in v3:
- Rebase to 3.19-rc1.
- Refine code. Remove unneed functions, debug logs and comments, and fine tune
  error logs.

Changes in v2:
- Re-ordered patchset. Fold include/dt-bindings and DT document in 1st patch.

----------------------------------------------------------------
James Liao (3):
      clk: mediatek: Add initial common clock support for Mediatek SoCs.
      clk: mediatek: Add basic clocks for Mediatek MT8135.
      clk: mediatek: Add basic clocks for Mediatek MT8173.

Sascha Hauer (3):
      clk: make strings in parent name arrays const
      clk: mediatek: Add reset controller support
      dt-bindings: ARM: Mediatek: Document devicetree bindings for clock/reset controllers

 .../bindings/arm/mediatek/mediatek,apmixedsys.txt  |  23 +
 .../bindings/arm/mediatek/mediatek,infracfg.txt    |  30 +
 .../bindings/arm/mediatek/mediatek,pericfg.txt     |  30 +
 .../bindings/arm/mediatek/mediatek,topckgen.txt    |  23 +
 drivers/clk/Makefile                               |   1 +
 drivers/clk/clk-composite.c                        |   2 +-
 drivers/clk/clk-mux.c                              |   4 +-
 drivers/clk/mediatek/Makefile                      |   4 +
 drivers/clk/mediatek/clk-gate.c                    | 137 ++++
 drivers/clk/mediatek/clk-gate.h                    |  49 ++
 drivers/clk/mediatek/clk-mt8135.c                  | 644 ++++++++++++++++
 drivers/clk/mediatek/clk-mt8173.c                  | 830 +++++++++++++++++++++
 drivers/clk/mediatek/clk-mtk.c                     | 220 ++++++
 drivers/clk/mediatek/clk-mtk.h                     | 169 +++++
 drivers/clk/mediatek/clk-pll.c                     | 332 +++++++++
 drivers/clk/mediatek/reset.c                       |  97 +++
 include/dt-bindings/clock/mt8135-clk.h             | 194 +++++
 include/dt-bindings/clock/mt8173-clk.h             | 235 ++++++
 .../dt-bindings/reset-controller/mt8135-resets.h   |  64 ++
 .../dt-bindings/reset-controller/mt8173-resets.h   |  63 ++
 include/linux/clk-provider.h                       |   8 +-
 21 files changed, 3152 insertions(+), 7 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,apmixedsys.txt
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.txt
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,topckgen.txt
 create mode 100644 drivers/clk/mediatek/Makefile
 create mode 100644 drivers/clk/mediatek/clk-gate.c
 create mode 100644 drivers/clk/mediatek/clk-gate.h
 create mode 100644 drivers/clk/mediatek/clk-mt8135.c
 create mode 100644 drivers/clk/mediatek/clk-mt8173.c
 create mode 100644 drivers/clk/mediatek/clk-mtk.c
 create mode 100644 drivers/clk/mediatek/clk-mtk.h
 create mode 100644 drivers/clk/mediatek/clk-pll.c
 create mode 100644 drivers/clk/mediatek/reset.c
 create mode 100644 include/dt-bindings/clock/mt8135-clk.h
 create mode 100644 include/dt-bindings/clock/mt8173-clk.h
 create mode 100644 include/dt-bindings/reset-controller/mt8135-resets.h
 create mode 100644 include/dt-bindings/reset-controller/mt8173-resets.h

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