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From: Shubhrajyoti Datta <omaplinuxkernel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Marek Vasut <marex-ynQEQJNshbs@public.gmane.org>
Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"Detlev Zundel" <dzu-ynQEQJNshbs@public.gmane.org>,
	"Dong Aisheng" <b29396-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
	"Fabio Estevam"
	<fabio.estevam-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
	"Linux ARM kernel"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	"Sascha Hauer" <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
	"Shawn Guo" <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	"Stefano Babic" <sbabic-ynQEQJNshbs@public.gmane.org>,
	"Uwe Kleine-König"
	<u.kleine-koenig-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
	"Wolfgang Denk" <wd-ynQEQJNshbs@public.gmane.org>,
	"Wolfram Sang" <w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Subject: Re: [PATCH 1/2 V2] MXS: Set I2C timing registers for mxs-i2c
Date: Sat, 9 Jun 2012 18:16:50 +0530	[thread overview]
Message-ID: <CAM=Q2cvvwXimLY358ET69U6qCsGoxenYMNtApYbhpn4cCC0nUg@mail.gmail.com> (raw)
In-Reply-To: <201206091234.47309.marex-ynQEQJNshbs@public.gmane.org>

>> >
>> > +struct mxs_i2c_speed_config {
>> > +       uint32_t        timing0;
>> > +       uint32_t        timing1;
>> > +       uint32_t        timing2;
>> > +};
>> > +
>> > +const struct mxs_i2c_speed_config mxs_i2c_95kHz_config = {
>>
>> You are using 95k?
>
> Yes
>
>> Didnt understand this.
>
> What exactly, it's running (according to the datasheet) at 95kHz.

Did you intend 100k?
and approximating due to clock ... or some other limitaion?

That is what I was trying to understand.
>
>> > +       .timing0        = 0x00780030,
>> > +       .timing1        = 0x00800030,
>> > +       .timing2        = 0x0015000d,
>> > +};

WARNING: multiple messages have this Message-ID (diff)
From: omaplinuxkernel@gmail.com (Shubhrajyoti Datta)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2 V2] MXS: Set I2C timing registers for mxs-i2c
Date: Sat, 9 Jun 2012 18:16:50 +0530	[thread overview]
Message-ID: <CAM=Q2cvvwXimLY358ET69U6qCsGoxenYMNtApYbhpn4cCC0nUg@mail.gmail.com> (raw)
In-Reply-To: <201206091234.47309.marex@denx.de>

>> >
>> > +struct mxs_i2c_speed_config {
>> > + ? ? ? uint32_t ? ? ? ?timing0;
>> > + ? ? ? uint32_t ? ? ? ?timing1;
>> > + ? ? ? uint32_t ? ? ? ?timing2;
>> > +};
>> > +
>> > +const struct mxs_i2c_speed_config mxs_i2c_95kHz_config = {
>>
>> You are using 95k?
>
> Yes
>
>> Didnt understand this.
>
> What exactly, it's running (according to the datasheet) at 95kHz.

Did you intend 100k?
and approximating due to clock ... or some other limitaion?

That is what I was trying to understand.
>
>> > + ? ? ? .timing0 ? ? ? ?= 0x00780030,
>> > + ? ? ? .timing1 ? ? ? ?= 0x00800030,
>> > + ? ? ? .timing2 ? ? ? ?= 0x0015000d,
>> > +};

  parent reply	other threads:[~2012-06-09 12:46 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-08 18:54 [PATCH 1/2 V2] MXS: Set I2C timing registers for mxs-i2c Marek Vasut
2012-06-08 18:54 ` Marek Vasut
     [not found] ` <1339181689-22573-1-git-send-email-marex-ynQEQJNshbs@public.gmane.org>
2012-06-08 18:54   ` [PATCH 2/2 V2] MXS: Implement DMA support into mxs-i2c Marek Vasut
2012-06-08 18:54     ` Marek Vasut
2012-06-09  4:15   ` [PATCH 1/2 V2] MXS: Set I2C timing registers for mxs-i2c Shubhrajyoti Datta
2012-06-09  4:15     ` Shubhrajyoti Datta
     [not found]     ` <CAM=Q2cuv0NQTYJH=+d6Na+JK5rGYsLiSmuX7g8T-_Ry7bs3fRQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-06-09 10:34       ` Marek Vasut
2012-06-09 10:34         ` Marek Vasut
     [not found]         ` <201206091234.47309.marex-ynQEQJNshbs@public.gmane.org>
2012-06-09 10:53           ` Sascha Hauer
2012-06-09 10:53             ` Sascha Hauer
     [not found]             ` <20120609105330.GF30400-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-06-09 11:11               ` Marek Vasut
2012-06-09 11:11                 ` Marek Vasut
     [not found]                 ` <201206091311.43229.marex-ynQEQJNshbs@public.gmane.org>
2012-06-09 11:25                   ` Sascha Hauer
2012-06-09 11:25                     ` Sascha Hauer
     [not found]                     ` <20120609112545.GH30400-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-06-09 11:40                       ` Marek Vasut
2012-06-09 11:40                         ` Marek Vasut
2012-06-09 12:46           ` Shubhrajyoti Datta [this message]
2012-06-09 12:46             ` Shubhrajyoti Datta
     [not found]             ` <CAM=Q2cvvwXimLY358ET69U6qCsGoxenYMNtApYbhpn4cCC0nUg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-06-09 13:10               ` Marek Vasut
2012-06-09 13:10                 ` Marek Vasut
2012-07-06  6:09 Marek Vasut
2012-07-06  6:09 ` Marek Vasut
     [not found] ` <1341554956-17416-1-git-send-email-marex-ynQEQJNshbs@public.gmane.org>
2012-07-09 10:53   ` Wolfram Sang
2012-07-09 10:53     ` Wolfram Sang
     [not found]     ` <20120709105338.GE1296-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-07-09 11:07       ` Marek Vasut
2012-07-09 11:07         ` Marek Vasut
     [not found]         ` <201207091307.35860.marex-ynQEQJNshbs@public.gmane.org>
2012-07-09 12:05           ` Wolfram Sang
2012-07-09 12:05             ` Wolfram Sang
     [not found]             ` <20120709120523.GG1296-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-07-09 15:58               ` Marek Vasut
2012-07-09 15:58                 ` Marek Vasut
     [not found]                 ` <201207091758.22788.marex-ynQEQJNshbs@public.gmane.org>
2012-07-10 14:09                   ` Robert Schwebel
2012-07-10 14:09                     ` Robert Schwebel
     [not found]                     ` <20120710140911.GK20456-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-07-10 15:13                       ` Marek Vasut
2012-07-10 15:13                         ` Marek Vasut

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