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Support for Apple SoCs' NCO blocks

From:  Martin Povišer <povik+lin-AT-protonmail.com>
To:  mturquette-AT-baylibre.com, sboyd-AT-kernel.org, robh+dt-AT-kernel.org
Subject:  [PATCH v3 0/3] Support for Apple SoCs' NCO blocks
Date:  Fri, 21 Jan 2022 17:55:27 +0000
Message-ID:  <20220121175441.9944-1-povik+lin@protonmail.com>
Cc:  marcan-AT-marcan.st, sven-AT-svenpeter.dev, alyssa-AT-rosenzweig.io, linux-clk-AT-vger.kernel.org, devicetree-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org, kettenis-AT-openbsd.org, Martin Povišer <povik+lin-AT-protonmail.com>
Archive-link:  Article

Hi,

I am sending v3 of common clock driver for NCO blocks on recent Apple SoCs.

Changes since v2:

 - move all under applnco_ prefix
 - move away from signed types in register value calculations
 - other minor things from Stephen's review

Changes since v1:

 - drop apple,nchannels property from the binding, rely on size of the register
   range instead to gauge the number of channels
 - add a lock to guard set_rate from racing with clock disable/enable
 - add short "theory of operation" comment
 - incorporate minor changes from Rob's, Sven's and Stephen's review (thanks!)

Martin

v1: https://lore.kernel.org/linux-clk/20211214120213.15649-1-...
v2: https://lore.kernel.org/linux-clk/20220118191839.64086-1-...

Martin Povišer (3):
  dt-bindings: clock: Add Apple NCO
  clk: clk-apple-nco: Add driver for Apple NCO
  MAINTAINERS: Add clk-apple-nco under ARM/APPLE MACHINE

 .../devicetree/bindings/clock/apple,nco.yaml  |  62 ++++
 MAINTAINERS                                   |   2 +
 drivers/clk/Kconfig                           |   9 +
 drivers/clk/Makefile                          |   1 +
 drivers/clk/clk-apple-nco.c                   | 333 ++++++++++++++++++
 5 files changed, 407 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/apple,nco.yaml
 create mode 100644 drivers/clk/clk-apple-nco.c

--
2.33.0




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