From: Aneesh V <aneesh@ti.com>
To: Greg KH <greg@kroah.com>
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH v2 0/7] Add TI EMIF SDRAM controller driver
Date: Fri, 16 Mar 2012 01:31:15 +0530 [thread overview]
Message-ID: <4F624A8B.7040407@ti.com> (raw)
In-Reply-To: <20120315190444.GE11142@kroah.com>
On Friday 16 March 2012 12:34 AM, Greg KH wrote:
> On Thu, Mar 15, 2012 at 11:47:30PM +0530, Aneesh V wrote:
>> Add a driver for the EMIF SDRAM controller used in TI SoCs
>>
>> EMIF is an SDRAM controller that supports, based on its revision,
>> one or more of LPDDR2/DDR2/DDR3 protocols.This driver adds support
>> for LPDDR2.
>>
>> The driver supports the following features:
>> - Calculates the DDR AC timing parameters to be set in EMIF
>> registers using data from the device data-sheets and based
>> on the DDR frequency. If data from data-sheets is not available
>> default timing values from the JEDEC spec are used. These
>> will be safe, but not necessarily optimal
>> - API for changing timings during DVFS or at boot-up
>
> Is this a kernel/user API, or just an in-kernel API?
That's just an in-kernel API or more precisely callbacks to be
registered for DDR frequency change events.
thanks,
Aneesh
prev parent reply other threads:[~2012-03-15 20:01 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-15 18:17 [PATCH v2 0/7] Add TI EMIF SDRAM controller driver Aneesh V
2012-03-15 18:17 ` [PATCH v2 1/7] misc: ddr: add LPDDR2 data from JESD209-2 Aneesh V
2012-03-15 19:02 ` Greg KH
2012-03-15 19:56 ` Aneesh V
2012-03-16 20:19 ` [PATCH v3] " Aneesh V
2012-03-16 20:50 ` [PATCH v4] " Aneesh V
2012-03-16 21:43 ` Greg KH
2012-03-16 21:50 ` Aneesh V
2012-03-16 20:58 ` [PATCH v2 1/7] " Aneesh V
2012-03-16 21:33 ` Greg KH
2012-03-16 21:53 ` Aneesh V
2012-03-15 18:17 ` [PATCH v2 2/7] misc: emif: add register definitions for EMIF Aneesh V
2012-03-15 18:17 ` [PATCH v2 3/7] misc: emif: add basic infrastructure for EMIF driver Aneesh V
2012-03-15 18:17 ` [PATCH v2 4/7] misc: emif: handle frequency and voltage change events Aneesh V
2012-03-15 18:17 ` [PATCH v2 5/7] misc: emif: add interrupt and temperature handling Aneesh V
2012-03-15 18:17 ` [PATCH v2 6/7] misc: emif: add one-time settings Aneesh V
2012-03-15 18:17 ` [PATCH v2 7/7] misc: emif: add debugfs entries for emif Aneesh V
2012-03-15 19:04 ` [PATCH v2 0/7] Add TI EMIF SDRAM controller driver Greg KH
2012-03-15 20:01 ` Aneesh V [this message]
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