linux-kernel - RE: [PATCH v3 0/2] i2c: designware: Add support for a bus clock

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Date:   Wed, 20 Feb 2019 13:42:39 +0000
From:   Gareth Williams <gareth.williams.jx@...esas.com>
To:     Gareth Williams <gareth.williams.jx@...esas.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>
CC:     "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v3 0/2] i2c: designware: Add support for a bus clock

Sorry, the email below was sent prematurely and will be resent shortly.

-Gareth

> On 20 February 2019 13:26 Gareth Williams wrote:
> The Synopsys I2C Controller has a bus clock that some SoCs require to access
> the registers. This series also details the new clock property in the bindings
> documentation.
>
> 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 a bus 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



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