linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Laxman Dewangan <ldewangan@nvidia.com>
To: Prashant Gaikwad <pgaikwad@nvidia.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>,
	"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/4] ARM: tegra: Add OF_DEV_AUXDATA for uart driver in board dt
Date: Tue, 18 Dec 2012 12:30:41 +0530	[thread overview]
Message-ID: <50D01499.1010004@nvidia.com> (raw)
In-Reply-To: <50D00AB9.8090800@nvidia.com>

On Tuesday 18 December 2012 11:48 AM, Prashant Gaikwad wrote:
> On Tuesday 18 December 2012 03:17 AM, Stephen Warren wrote:
>> On 12/17/2012 05:08 AM, Laxman Dewangan wrote:
>>> Add OF_DEV_AUXDATA for high speed uart controller driver for
>>> Tegra20/Tegra30 board dt files.
>>> Set the parent clock of uart controller to PLLP.
>>> diff --git a/arch/arm/mach-tegra/board-dt-tegra20.c b/arch/arm/mach-tegra/board-dt-tegra20.c
>>> @@ -94,6 +94,11 @@ struct of_dev_auxdata tegra20_auxdata_lookup[] __initdata = {
>>> +	OF_DEV_AUXDATA("nvidia,tegra20-hsuart", 0x70006000, "tegra-uart.0", NULL),
>>> +	OF_DEV_AUXDATA("nvidia,tegra20-hsuart", 0x70006040, "tegra-uart.1", NULL),
>>> +	OF_DEV_AUXDATA("nvidia,tegra20-hsuart", 0x70006200, "tegra-uart.2", NULL),
>>> +	OF_DEV_AUXDATA("nvidia,tegra20-hsuart", 0x70006300, "tegra-uart.3", NULL),
>>> +	OF_DEV_AUXDATA("nvidia,tegra20-hsuart", 0x70006400, "tegra-uart.4", NULL),
>> Instead, can we simply get the clocks from device tree? Prashant, how
>> much effort will that be once your clock patches are checked in, or is
>> it already part of those patches?
> It is not part of rework patches, but I will send a patch for it
> immediately after those patches are accepted upstream.
>
>>> @@ -106,7 +111,10 @@ struct of_dev_auxdata tegra20_auxdata_lookup[] __initdata = {
>>>    static __initdata struct tegra_clk_init_table tegra_dt_clk_init_table[] = {
>>>    	/* name		parent		rate		enabled */
>>>    	{ "uarta",	"pll_p",	216000000,	true },
>>> +	{ "uartb",	"pll_p",	216000000,	false },
>>> +	{ "uartc",	"pll_p",	216000000,	false },
>>>    	{ "uartd",	"pll_p",	216000000,	true },
>>> +	{ "uarte",	"pll_p",	216000000,	false },
>> Prashant's clock patches remove this table. Please work with him to work
>> out how to deal with that.
> Laxman,
>
> If you want I can include these entries in current tables.

No issue, you can add this in your change.

  reply	other threads:[~2012-12-18  7:00 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-17 12:08 [PATCH 0/4] ARM: tegra: add support for highspeed serial driver Laxman Dewangan
2012-12-17 12:08 ` [PATCH 1/4] ARM: tegra30: Add support for Uart clock source divider as 15.1 Laxman Dewangan
2012-12-17 21:43   ` Stephen Warren
2012-12-18  6:14     ` Prashant Gaikwad
2012-12-18  6:24       ` Laxman Dewangan
2012-12-18  7:07         ` Prashant Gaikwad
2012-12-18 13:05           ` Laxman Dewangan
2012-12-17 12:08 ` [PATCH 2/4] ARM: tegra: add connection name for uart clock table Laxman Dewangan
2012-12-17 21:44   ` Stephen Warren
2012-12-18  7:05     ` Laxman Dewangan
2012-12-18 16:55       ` Stephen Warren
2012-12-17 12:08 ` [PATCH 3/4] ARM: tegra: Add OF_DEV_AUXDATA for uart driver in board dt Laxman Dewangan
2012-12-17 21:47   ` Stephen Warren
2012-12-18  6:18     ` Prashant Gaikwad
2012-12-18  7:00       ` Laxman Dewangan [this message]
2012-12-17 12:08 ` [PATCH 4/4] ARM: tegra: dts: add dma requestor and port numbers for serial controller Laxman Dewangan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=50D01499.1010004@nvidia.com \
    --to=ldewangan@nvidia.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-tegra@vger.kernel.org \
    --cc=pgaikwad@nvidia.com \
    --cc=swarren@wwwdotorg.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).