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From: Jon Hunter <jonathanh@nvidia.com>
To: Laxman Dewangan <ldewangan@nvidia.com>,
	thierry.reding@gmail.com, airlied@linux.ie,
	swarren@wwwdotorg.org, gnurou@gmail.com
Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org
Subject: Re: [PATCH V4 3/3] soc/tegra: pmc: Add support for IO pads power state and voltage
Date: Wed, 11 May 2016 20:59:08 +0100	[thread overview]
Message-ID: <57338F0C.2030101@nvidia.com> (raw)
In-Reply-To: <57336A42.3090507@nvidia.com>


On 11/05/16 18:22, Laxman Dewangan wrote:
> 
> On Wednesday 11 May 2016 09:05 PM, Jon Hunter wrote:
>> On 11/05/16 14:28, Laxman Dewangan wrote:
>>> On Sunday 08 May 2016 05:43 PM, Jon Hunter wrote:
>>>> On 06/05/16 16:32, Laxman Dewangan wrote:
>>>>> On Friday 06 May 2016 08:07 PM, Jon Hunter wrote:
>>>>>> On 06/05/16 11:45, Laxman Dewangan wrote:
>>>>>> +
>>>>>> +    /* Last entry */
>>>>>> +    TEGRA_IO_PAD_MAX,
>>>>>> Nit should these be TEGRA_IO_PADS_xxx?
>>>>> Because this was name of single pad and hence I said TEGRA_IO_PAD_XXX.
>>>> Aren't these used to set the voltage level and power state for the
>>>> entire group of IOs? Confused :-(
>>> One IO pad can have multiple IO pins.
>>> IO Pad control the power state and voltage of all pins belongs to that
>>> IO pad.
>> Ugh ... I remember for xusb there was something similar we the Tegra
>> docs used pad to imply multiple. However, in general pad == pin == ball
>> or at least should.
> 
> when we say sddmc3 IO pads, we deal with all signal pins of sdmm3.

Right but now you are saying io-pads and not io-pad. Yes io-pads would
mean more than one, but IMO io-pad implies singular. Anyway, enough
bike-shedding ...

Jon

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dri-devel@lists.freedesktop.org
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WARNING: multiple messages have this Message-ID (diff)
From: Jon Hunter <jonathanh@nvidia.com>
To: Laxman Dewangan <ldewangan@nvidia.com>,
	<thierry.reding@gmail.com>, <airlied@linux.ie>,
	<swarren@wwwdotorg.org>, <gnurou@gmail.com>
Cc: <dri-devel@lists.freedesktop.org>, <linux-tegra@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH V4 3/3] soc/tegra: pmc: Add support for IO pads power state and voltage
Date: Wed, 11 May 2016 20:59:08 +0100	[thread overview]
Message-ID: <57338F0C.2030101@nvidia.com> (raw)
In-Reply-To: <57336A42.3090507@nvidia.com>


On 11/05/16 18:22, Laxman Dewangan wrote:
> 
> On Wednesday 11 May 2016 09:05 PM, Jon Hunter wrote:
>> On 11/05/16 14:28, Laxman Dewangan wrote:
>>> On Sunday 08 May 2016 05:43 PM, Jon Hunter wrote:
>>>> On 06/05/16 16:32, Laxman Dewangan wrote:
>>>>> On Friday 06 May 2016 08:07 PM, Jon Hunter wrote:
>>>>>> On 06/05/16 11:45, Laxman Dewangan wrote:
>>>>>> +
>>>>>> +    /* Last entry */
>>>>>> +    TEGRA_IO_PAD_MAX,
>>>>>> Nit should these be TEGRA_IO_PADS_xxx?
>>>>> Because this was name of single pad and hence I said TEGRA_IO_PAD_XXX.
>>>> Aren't these used to set the voltage level and power state for the
>>>> entire group of IOs? Confused :-(
>>> One IO pad can have multiple IO pins.
>>> IO Pad control the power state and voltage of all pins belongs to that
>>> IO pad.
>> Ugh ... I remember for xusb there was something similar we the Tegra
>> docs used pad to imply multiple. However, in general pad == pin == ball
>> or at least should.
> 
> when we say sddmc3 IO pads, we deal with all signal pins of sdmm3.

Right but now you are saying io-pads and not io-pad. Yes io-pads would
mean more than one, but IMO io-pad implies singular. Anyway, enough
bike-shedding ...

Jon

  reply	other threads:[~2016-05-11 19:59 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-06 10:45 [PATCH V4 0/3] soc/tegra: Add support for IO pads power and voltage control Laxman Dewangan
2016-05-06 10:45 ` Laxman Dewangan
2016-05-06 10:45 ` [PATCH V4 1/3] soc/tegra: pmc: Use BIT macro for register field definition Laxman Dewangan
2016-05-06 10:45   ` Laxman Dewangan
2016-05-06 14:12   ` Jon Hunter
2016-05-06 14:12     ` Jon Hunter
2016-05-06 10:45 ` [PATCH V4 2/3] soc/tegra: pmc: Correct type of variable for tegra_pmc_readl() Laxman Dewangan
2016-05-06 10:45   ` Laxman Dewangan
     [not found]   ` <1462531548-12914-3-git-send-email-ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-05-06 14:15     ` Jon Hunter
2016-05-06 14:15       ` Jon Hunter
2016-05-06 10:45 ` [PATCH V4 3/3] soc/tegra: pmc: Add support for IO pads power state and voltage Laxman Dewangan
2016-05-06 10:45   ` Laxman Dewangan
2016-05-06 14:37   ` Jon Hunter
2016-05-06 14:37     ` Jon Hunter
     [not found]     ` <572CAC20.9030307-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-05-06 15:32       ` Laxman Dewangan
2016-05-06 15:32         ` Laxman Dewangan
2016-05-08 12:13         ` Jon Hunter
2016-05-08 12:13           ` Jon Hunter
     [not found]           ` <572F2D84.3060505-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-05-11 13:28             ` Laxman Dewangan
2016-05-11 13:28               ` Laxman Dewangan
     [not found]               ` <57333366.2040500-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-05-11 15:35                 ` Jon Hunter
2016-05-11 15:35                   ` Jon Hunter
     [not found]                   ` <5733513E.9080606-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-05-11 17:22                     ` Laxman Dewangan
2016-05-11 17:22                       ` Laxman Dewangan
2016-05-11 19:59                       ` Jon Hunter [this message]
2016-05-11 19:59                         ` Jon Hunter

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