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From: Thierry Reding <thierry.reding@gmail.com>
To: Jon Hunter <jonathanh@nvidia.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	Alexandre Courbot <gnurou@gmail.com>,
	Wolfram Sang <wsa@the-dreams.de>,
	Stephen Warren <swarren@wwwdotorg.org>,
	dri-devel@lists.freedesktop.org, linux-gpio@vger.kernel.org,
	devicetree@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
	linux-i2c@vger.kernel.org, linux-tegra@vger.kernel.org
Subject: Re: [RFC PATCH 12/13] arm64: tegra: Add sor-safe clock to DPAUX binding
Date: Mon, 20 Jun 2016 18:38:42 +0200	[thread overview]
Message-ID: <20160620163842.GC6175@ulmo.ba.sec> (raw)
In-Reply-To: <5767B61A.3090102@nvidia.com>


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On Mon, Jun 20, 2016 at 10:23:38AM +0100, Jon Hunter wrote:
> 
> On 17/06/16 17:47, Thierry Reding wrote:
> > * PGP Signed by an unknown key
> > 
> > On Fri, Jun 17, 2016 at 01:03:46PM +0100, Jon Hunter wrote:
> >> Populate the 'sor-safe' clock for DPAUX devices on Tegra210 that require
> >> this clock for operation. Update the compatability string for the DPAUX
> >> instance at address 0x545c0000 to be "nvidia,tegra210-dpaux" to ensure
> >> that the 'sor-safe' clock is enabled for this device.
> > 
> > Does the second DPAUX need this, too? I have a vague recollection that
> > they were both slightly different.
> 
> I have assumed so, but I am checking with the h/w folks on this. Right
> now the TRM only describes the procedure for configuring the DPAUX pads
> for i2c6. I am also asking about sharing the DPAUX1 pads with i2c4.

Yes, last time I looked it wasn't documented anywhere with which I2C
controller the other DPAUX shared its pads.

It'd be good to get all of that documented in the TRM.

Thierry

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      reply	other threads:[~2016-06-20 16:38 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-17 12:03 [RFC PATCH 00/13] Add support for Tegra DPAUX pinctrl Jon Hunter
     [not found] ` <1466165027-17917-1-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-06-17 12:03   ` [RFC PATCH 01/13] drm/tegra: Clean-up if probing DPAUX fails Jon Hunter
2016-06-17 12:03   ` [RFC PATCH 03/13] dt-bindings: drm/tegra: Update DPAUX documentation Jon Hunter
2016-06-17 16:13     ` Thierry Reding
     [not found]       ` <20160617161306.GD27475-EkSeR96xj6Pcmrwk2tT4+A@public.gmane.org>
2016-06-20  8:02         ` Jon Hunter
2016-06-17 12:03   ` [RFC PATCH 06/13] pinctrl: pinconf: Add generic helper function for freeing mappings Jon Hunter
     [not found]     ` <1466165027-17917-7-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-06-18  9:04       ` Linus Walleij
2016-06-20  9:26         ` Jon Hunter
2016-06-17 12:03   ` [RFC PATCH 13/13] arm64: tegra: Add DPAUX pinctrl bindings Jon Hunter
2016-06-17 16:50     ` Thierry Reding
2016-06-23  7:46     ` Linus Walleij
2016-06-17 16:56   ` [RFC PATCH 00/13] Add support for Tegra DPAUX pinctrl Thierry Reding
     [not found]     ` <20160617165611.GO27475-EkSeR96xj6Pcmrwk2tT4+A@public.gmane.org>
2016-06-17 16:58       ` Thierry Reding
     [not found]         ` <20160617165842.GP27475-EkSeR96xj6Pcmrwk2tT4+A@public.gmane.org>
2016-06-23  7:49           ` Linus Walleij
2016-06-23  8:04             ` Thierry Reding
     [not found]               ` <20160623080400.GA8136-EkSeR96xj6Pcmrwk2tT4+A@public.gmane.org>
2016-06-23  9:21                 ` Linus Walleij
2016-06-17 12:03 ` [RFC PATCH 02/13] drm/tegra: Add helper functions for setting up DPAUX pads Jon Hunter
2016-06-17 16:11   ` Thierry Reding
2016-06-20  7:59     ` Jon Hunter
2016-06-17 12:03 ` [RFC PATCH 04/13] drm/tegra: Add sor-safe clock for DPAUX on Tegra210 Jon Hunter
2016-06-17 16:18   ` Thierry Reding
2016-06-20  8:43     ` Jon Hunter
2016-06-20 16:33       ` Thierry Reding
2016-06-17 12:03 ` [RFC PATCH 05/13] drm/tegra: Prepare DPAUX for supporting generic PM domains Jon Hunter
2016-06-17 12:03 ` [RFC PATCH 07/13] dt-bindings: i2c: Add support for 'i2c-bus' subnode Jon Hunter
2016-06-17 16:23   ` Thierry Reding
     [not found]   ` <1466165027-17917-8-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-06-17 16:30     ` Mark Rutland
2016-06-17 16:45       ` Thierry Reding
     [not found]         ` <20160617164525.GL27475-EkSeR96xj6Pcmrwk2tT4+A@public.gmane.org>
2016-06-20 11:15           ` Jon Hunter
2016-06-17 12:03 ` [RFC PATCH 08/13] i2c: core: " Jon Hunter
2016-06-17 16:24   ` Thierry Reding
2016-06-20  8:57     ` Jon Hunter
2016-06-17 12:03 ` [RFC PATCH 09/13] dt-bindings: drm/tegra: Add DPAUX pinctrl documentation Jon Hunter
2016-06-17 16:31   ` Thierry Reding
2016-06-20  9:10     ` Jon Hunter
2016-06-17 12:03 ` [RFC PATCH 10/13] drm/tegra: Add pinctrl support for DPAUX Jon Hunter
     [not found]   ` <1466165027-17917-11-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-06-17 12:42     ` Jon Hunter
2016-06-17 16:37   ` Thierry Reding
2016-06-20 10:45     ` Jon Hunter
2016-06-17 12:03 ` [RFC PATCH 11/13] arm64: tegra: Add SOR power-domain node Jon Hunter
2016-06-17 16:42   ` Thierry Reding
2016-06-20  9:18     ` Jon Hunter
2016-06-20 16:37       ` Thierry Reding
2016-06-17 16:44   ` Thierry Reding
2016-06-20  9:20     ` Jon Hunter
2016-06-17 12:03 ` [RFC PATCH 12/13] arm64: tegra: Add sor-safe clock to DPAUX binding Jon Hunter
     [not found]   ` <1466165027-17917-13-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-06-17 16:47     ` Thierry Reding
2016-06-20  9:23       ` Jon Hunter
2016-06-20 16:38         ` Thierry Reding [this message]

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