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From: Marek Vasut <marex@denx.de>
To: Juergen Beisert <jbe@pengutronix.de>
Cc: Jonathan Cameron <jic23@cam.ac.uk>,
	linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: i.MX28 die temperature
Date: Thu, 28 Jun 2012 17:42:47 +0200	[thread overview]
Message-ID: <201206281742.47936.marex@denx.de> (raw)
In-Reply-To: <201206280505.41201.marex@denx.de>

Dear Marek Vasut,

> Dear Juergen Beisert,
> 
> [...]
> 
> So, I've been thinking about mapping channels and delay slots at runtime.
> Is it really necessary? I know it's really cool and all, but it adds a lot
> of complexity. For starters, I was thinking we should try to do static
> mapping. And when that's all perfected, go further and try doing it
> dynamically. What do you think about the following DT binding:
> 
> lradc@80050000 {
>         compatible = "fsl,imx28-lradc";
>         reg = <0x80050000 2000>;
>         interrupts = <10 14 15 16 17 18 19
>                         20 21 22 23 24 25>;
>         fsl,delay-freq = <10 100 50 60>;
>         fsl,delay-repeat = <3 10 5 6>;
>         fsl,delay-channels = <
>                 0 2 0 3 0 4 0 5
>                 1 8 1 9 2 12 3 13>;


btw. I don't like the idea of those tuples here ... any hint how to do it 
better?

>         status = "disabled";
> };
> 
> fsl,delay-freq would be an array (for all four delay channels) of their
> sampling frequencies.
> 
> fsl,delay-repeat would be an array (for all four delay channels) of the
> oversampling count.
> 
> fsl,delay-channels would be an array (for all four delay channels) of
> touples of delay channel, adc channel. In the above example, it's ADC
> channels 2,3,4,5 mapped to delay channel 0, ADC channels 8,9 mapped to
> delay channel 1 etc.
> 
> Now, it might be dumb, advice is welcome!
> 
> > > [...]
> > 
> > Regards,
> > Juergen
> 
> Best regards,
> Marek Vasut

Best regards,
Marek Vasut

WARNING: multiple messages have this Message-ID (diff)
From: marex@denx.de (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: i.MX28 die temperature
Date: Thu, 28 Jun 2012 17:42:47 +0200	[thread overview]
Message-ID: <201206281742.47936.marex@denx.de> (raw)
In-Reply-To: <201206280505.41201.marex@denx.de>

Dear Marek Vasut,

> Dear Juergen Beisert,
> 
> [...]
> 
> So, I've been thinking about mapping channels and delay slots at runtime.
> Is it really necessary? I know it's really cool and all, but it adds a lot
> of complexity. For starters, I was thinking we should try to do static
> mapping. And when that's all perfected, go further and try doing it
> dynamically. What do you think about the following DT binding:
> 
> lradc at 80050000 {
>         compatible = "fsl,imx28-lradc";
>         reg = <0x80050000 2000>;
>         interrupts = <10 14 15 16 17 18 19
>                         20 21 22 23 24 25>;
>         fsl,delay-freq = <10 100 50 60>;
>         fsl,delay-repeat = <3 10 5 6>;
>         fsl,delay-channels = <
>                 0 2 0 3 0 4 0 5
>                 1 8 1 9 2 12 3 13>;


btw. I don't like the idea of those tuples here ... any hint how to do it 
better?

>         status = "disabled";
> };
> 
> fsl,delay-freq would be an array (for all four delay channels) of their
> sampling frequencies.
> 
> fsl,delay-repeat would be an array (for all four delay channels) of the
> oversampling count.
> 
> fsl,delay-channels would be an array (for all four delay channels) of
> touples of delay channel, adc channel. In the above example, it's ADC
> channels 2,3,4,5 mapped to delay channel 0, ADC channels 8,9 mapped to
> delay channel 1 etc.
> 
> Now, it might be dumb, advice is welcome!
> 
> > > [...]
> > 
> > Regards,
> > Juergen
> 
> Best regards,
> Marek Vasut

Best regards,
Marek Vasut

  reply	other threads:[~2012-06-28 15:42 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-28 15:13 i.MX28 die temperature Randle, Bill
2012-03-29  2:37 ` Shawn Guo
2012-03-29 15:52   ` Randle, Bill
2012-04-04 23:51     ` Marek Vasut
2012-04-05  0:07       ` Randle, Bill
2012-04-05  0:36         ` Fabio Estevam
2012-06-22 11:49           ` Juergen Beisert
2012-06-22 17:19             ` Marek Vasut
2012-06-26  8:12               ` Juergen Beisert
2012-06-26 19:02                 ` Marek Vasut
2012-06-26 19:02                   ` Marek Vasut
2012-06-27  7:21                   ` Jonathan Cameron
2012-06-27  7:21                     ` Jonathan Cameron
2012-06-27 12:00                     ` Marek Vasut
2012-06-27 12:00                       ` Marek Vasut
2012-06-27 12:06                       ` Jonathan Cameron
2012-06-27 12:06                         ` Jonathan Cameron
2012-06-27 12:25                         ` Marek Vasut
2012-06-27 12:25                           ` Marek Vasut
2012-06-27 12:33                         ` Juergen Beisert
2012-06-27 12:33                           ` Juergen Beisert
2012-06-27 22:58                           ` Marek Vasut
2012-06-27 22:58                             ` Marek Vasut
2012-06-28  8:00                             ` Jonathan Cameron
2012-06-28  8:00                               ` Jonathan Cameron
2012-06-28  3:05                           ` Marek Vasut
2012-06-28  3:05                             ` Marek Vasut
2012-06-28 15:42                             ` Marek Vasut [this message]
2012-06-28 15:42                               ` Marek Vasut
2012-10-23  8:48                       ` Peter Turczak
2012-10-23  8:48                         ` Peter Turczak
2012-10-23  8:52                         ` Marek Vasut
2012-10-23  8:52                           ` Marek Vasut
2012-10-23 10:22                           ` Peter Turczak
2012-10-23 10:22                             ` Peter Turczak
2012-10-23 10:32                             ` Marek Vasut
2012-10-23 10:32                               ` Marek Vasut

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