From: Wolfram Sang <wsa@the-dreams.de>
To: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
Cc: jarkko.nikula@linux.intel.com, andriy.shevchenko@linux.intel.com,
mika.westerberg@linux.intel.com, linux-i2c@vger.kernel.org
Subject: Re: [PATCH 2/2] i2c: designware: Calculate SCL timing parameter for High Speed Mode
Date: Wed, 15 Apr 2020 13:14:34 +0200 [thread overview]
Message-ID: <20200415111434.GR1141@ninjato> (raw)
In-Reply-To: <20200407133439.23422-3-wan.ahmad.zainie.wan.mohamad@intel.com>
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On Tue, Apr 07, 2020 at 09:34:39PM +0800, Wan Ahmad Zainie wrote:
> Custom parameters for HCNT/LCNT are not available for OF based system.
> Thus, we will use existing SCL timing parameter calculation functions
> for High Speed Mode too.
>
> The value for the parameters tSYMBOL and tLOW is taken from DesignWare
> DW_apb_i2c Databook v2.01a, section 3.15.4.6. The calculation should
> assume higher bus load since it gives slower timing parameter.
>
> Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Applied to for-next, thanks!
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next prev parent reply other threads:[~2020-04-15 11:15 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-07 13:34 [PATCH 0/2] i2c: designware: Calculate *CNT for Fast Mode Plus Wan Ahmad Zainie
2020-04-07 13:34 ` [PATCH 1/2] i2c: designware: Calculate SCL timing parameter " Wan Ahmad Zainie
2020-04-08 7:08 ` Jarkko Nikula
2020-04-15 11:14 ` Wolfram Sang
2020-04-07 13:34 ` [PATCH 2/2] i2c: designware: Calculate SCL timing parameter for High Speed Mode Wan Ahmad Zainie
2020-04-08 7:09 ` Jarkko Nikula
2020-04-15 11:14 ` Wolfram Sang [this message]
2020-04-07 14:56 ` [PATCH 0/2] i2c: designware: Calculate *CNT for Fast Mode Plus Andy Shevchenko
2020-04-15 11:15 ` Wolfram Sang
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