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From:   Gareth Williams <gareth.williams.jx@renesas.com>
To:     Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Wolfram Sang <wsa@the-dreams.de>,
        Jarkko Nikula <jarkko.nikula@linux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Mika Westerberg <mika.westerberg@linux.intel.com>
Cc:     Gareth Williams <gareth.williams.jx@renesas.com>,
        Phil Edworthy <phil.edworthy@renesas.com>,
        devicetree@vger.kernel.org, linux-i2c@vger.kernel.org,
        linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v5 0/2] i2c: designware: Add support for a bus clock
Date:   Thu, 28 Feb 2019 13:52:08 +0000
Message-Id: <1551361930-24434-1-git-send-email-gareth.williams.jx@renesas.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

The Synopsys I2C Controller has an interface clock that some SoCs 
require to access the registers. This series also details the new clock
property in the bindings documentation.

v5:
 - Code comments and commit messages updated to reference "interface clock"
   instead of "peripheral clock".

v4:
 - Code comments and commit messages updated to reference "peripheral 
   clock"
   instead of "bus clock".

v3:
 - busclk renamed to pclk.
 - Added comment with dw_i2c_dev struct definition describing pclk.
 - Added enable rollback of first clock if second fails to enable.
 - Changed clocks and clock-names sections to use term "peripheral clock"
   (pclk) instead of "bus clock" (busclk) in dt-bindings documentation.

v2:
 - Use new devm_clk_get_optional() function as it simplifies handling when
   the optional clock is not present.

Phil Edworthy (2):
  dt: snps,designware-i2c: Add clock bindings documentation
  i2c: designware: Add support for an interface clock

 .../devicetree/bindings/i2c/i2c-designware.txt         |  9 +++++++++
 drivers/i2c/busses/i2c-designware-common.c             | 18 ++++++++++++++++--
 drivers/i2c/busses/i2c-designware-core.h               |  2 ++
 drivers/i2c/busses/i2c-designware-platdrv.c            |  5 +++++
 4 files changed, 32 insertions(+), 2 deletions(-)

-- 
2.7.4