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List:       linux-i2c
Subject:    Re: [PATCH V8 5/5] i2c: tegra: Add I2C interface timing support
From:       Thierry Reding <thierry.reding () gmail ! com>
Date:       2019-01-31 12:50:15
Message-ID: 20190131125015.GK23438 () ulmo
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On Wed, Jan 30, 2019 at 10:16:27PM -0800, Sowjanya Komatineni wrote:
> This patch adds I2C interface timing registers support for
> proper bus rate configuration along with meeting the i2c spec
> setup and hold times based on the tuning performed on Tegra210,
> Tegra186 and Tegra194 platforms.
> 
> I2C_INTERFACE_TIMING_0 register contains TLOW and THIGH field
> and Tegra I2C controller design uses them as a part of internal
> clock divisor.
> 
> I2C_INTERFACE_TIMING_1 register contains the setup and hold times
> for start and stop conditions.
> 
> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
> ---
>  [V8] : Updated to handle timing implementation within tegra_i2c_init directly
>  [V7] : Minor updates to timing implementation
>  [V5/V6] : Added this Interface timing patch in V5 of the patch series.
> 
>  drivers/i2c/busses/i2c-tegra.c | 187 ++++++++++++++++++++++++++++++++++-------
>  1 file changed, 158 insertions(+), 29 deletions(-)

Acked-by: Thierry Reding <treding@nvidia.com>

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