From: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
To: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH 2/4] ARM: tegra: enable I2C controllers on Venice2
Date: Fri, 06 Dec 2013 10:42:48 -0700 [thread overview]
Message-ID: <52A20C98.1010906@wwwdotorg.org> (raw)
In-Reply-To: <20131206152021.GE32372-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
On 12/06/2013 08:20 AM, Thierry Reding wrote:
> On Wed, Dec 04, 2013 at 03:26:54PM -0700, Stephen Warren wrote:
>> From: Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
>>
>> Enable all the I2C controllers that are wired up on Venice2. I
>> don't know the correct I2C bus clock rates, so set them all to a
>> conservative 100KHz for now.
>
> Perhaps we should only enable those that we really need? I
> currently use these in my local tree:
>
> i2c@7000c400: for the trackpad i2c@7000c700: for HDMI DDC
> i2c@7000d000: for the PMIC
All of these I2C buses are used for something. Missing from your list
are e.g.:
i2c@7000c000 Audio CODEC, temperature sensor
i2c@7000c500 TPM
WARNING: multiple messages have this Message-ID (diff)
From: swarren@wwwdotorg.org (Stephen Warren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/4] ARM: tegra: enable I2C controllers on Venice2
Date: Fri, 06 Dec 2013 10:42:48 -0700 [thread overview]
Message-ID: <52A20C98.1010906@wwwdotorg.org> (raw)
In-Reply-To: <20131206152021.GE32372@ulmo.nvidia.com>
On 12/06/2013 08:20 AM, Thierry Reding wrote:
> On Wed, Dec 04, 2013 at 03:26:54PM -0700, Stephen Warren wrote:
>> From: Stephen Warren <swarren@nvidia.com>
>>
>> Enable all the I2C controllers that are wired up on Venice2. I
>> don't know the correct I2C bus clock rates, so set them all to a
>> conservative 100KHz for now.
>
> Perhaps we should only enable those that we really need? I
> currently use these in my local tree:
>
> i2c at 7000c400: for the trackpad i2c at 7000c700: for HDMI DDC
> i2c at 7000d000: for the PMIC
All of these I2C buses are used for something. Missing from your list
are e.g.:
i2c at 7000c000 Audio CODEC, temperature sensor
i2c at 7000c500 TPM
next prev parent reply other threads:[~2013-12-06 17:42 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-04 22:26 [PATCH 1/4] ARM: tegra: add I2C controllers to Tegra124 DT Stephen Warren
2013-12-04 22:26 ` Stephen Warren
[not found] ` <1386196016-25128-1-git-send-email-swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-12-04 22:26 ` [PATCH 2/4] ARM: tegra: enable I2C controllers on Venice2 Stephen Warren
2013-12-04 22:26 ` Stephen Warren
[not found] ` <1386196016-25128-2-git-send-email-swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-12-06 15:20 ` Thierry Reding
2013-12-06 15:20 ` Thierry Reding
[not found] ` <20131206152021.GE32372-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2013-12-06 17:42 ` Stephen Warren [this message]
2013-12-06 17:42 ` Stephen Warren
2013-12-04 22:26 ` [PATCH 3/4] ARM: tegra: add audio-related device to Tegra124 DT Stephen Warren
2013-12-04 22:26 ` Stephen Warren
2013-12-04 22:26 ` [PATCH 4/4] ARM: tegra: add sound card to Venice2 DT Stephen Warren
2013-12-04 22:26 ` Stephen Warren
2013-12-06 14:03 ` [PATCH 1/4] ARM: tegra: add I2C controllers to Tegra124 DT Thierry Reding
2013-12-06 14:03 ` Thierry Reding
[not found] ` <20131206140333.GE30960-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2013-12-06 17:36 ` Stephen Warren
2013-12-06 17:36 ` Stephen Warren
2013-12-12 19:44 ` Stephen Warren
2013-12-12 19:44 ` Stephen Warren
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