Re: [RFC v2 PATCH 0/3] dt: device tree bindings and data for EMIF and DDR

2012-01-19 Thread Aneesh V
On Thursday 19 January 2012 07:58 PM, Aneesh V wrote: This is an RFC to add new device tree bindings for DDR memories and EMIF - TI's DDR SDRAM controller. The first patch adds bindings for DDR memories. Currently, we have added properties for only DDR3 and LPDDR2 memories. However, the binding

Re: [RFC v2 PATCH 0/3] dt: device tree bindings and data for EMIF and DDR

2012-01-19 Thread Olof Johansson
Hi, On Mon, Jan 16, 2012 at 11:15 AM, Turquette, Mike mturque...@ti.com wrote: And delaying DVFS (at least for the parts affecting mem) until userspace is loaded doesn't seem great to me either.  We're basically pushing back feature readiness (with respect to boot sequence) in the name of

Re: [RFC v2 PATCH 0/3] dt: device tree bindings and data for EMIF and DDR

2012-01-17 Thread Aneesh V
Hi Olof, On Saturday 14 January 2012 01:06 AM, Aneesh V wrote: Hi Olof, snip We wish to drop the DDR3 support because we have concluded that our platforms with DDR3 memories will not scale DDR frequency due to limitations in DDR3 protocol(operating frequency can vary only in a small range).

Re: [RFC v2 PATCH 0/3] dt: device tree bindings and data for EMIF and DDR

2012-01-16 Thread Turquette, Mike
On Fri, Jan 13, 2012 at 11:36 AM, Aneesh V ane...@ti.com wrote: Hi Olof, On Monday 09 January 2012 11:12 AM, Olof Johansson wrote: Hi, On Sun, Jan 8, 2012 at 9:23 AM, Aneesh Vane...@ti.com  wrote: Hi, On Tuesday 20 December 2011 03:08 PM, Aneesh V wrote: Hi Benoit On Tuesday 20

Re: [RFC v2 PATCH 0/3] dt: device tree bindings and data for EMIF and DDR

2012-01-13 Thread Aneesh V
Hi Olof, On Monday 09 January 2012 11:12 AM, Olof Johansson wrote: Hi, On Sun, Jan 8, 2012 at 9:23 AM, Aneesh Vane...@ti.com wrote: Hi, On Tuesday 20 December 2011 03:08 PM, Aneesh V wrote: Hi Benoit On Tuesday 20 December 2011 06:10 PM, Cousson, Benoit wrote: Hi Aneesh, snip In

Re: [RFC v2 PATCH 0/3] dt: device tree bindings and data for EMIF and DDR

2012-01-08 Thread Aneesh V
Hi, On Tuesday 20 December 2011 03:08 PM, Aneesh V wrote: Hi Benoit On Tuesday 20 December 2011 06:10 PM, Cousson, Benoit wrote: Hi Aneesh, snip In general, is it really feasible to parse the DTB before DDR is initialized? Changing timings is still needed for DVFS during runtime. But

Re: [RFC v2 PATCH 0/3] dt: device tree bindings and data for EMIF and DDR

2012-01-08 Thread Olof Johansson
Hi, On Sun, Jan 8, 2012 at 9:23 AM, Aneesh V ane...@ti.com wrote: Hi, On Tuesday 20 December 2011 03:08 PM, Aneesh V wrote: Hi Benoit On Tuesday 20 December 2011 06:10 PM, Cousson, Benoit wrote: Hi Aneesh, snip In general, is it really feasible to parse the DTB before DDR is

Re: [RFC v2 PATCH 0/3] dt: device tree bindings and data for EMIF and DDR

2011-12-20 Thread Aneesh V
On Tuesday 20 December 2011 04:31 AM, Rob Herring wrote: On 12/19/2011 08:05 AM, Aneesh V wrote: This is an RFC to add new device tree bindings for DDR memories and EMIF - TI's DDR SDRAM controller. The first patch adds bindings for DDR memories. Currently, we have added properties for only

Re: [RFC v2 PATCH 0/3] dt: device tree bindings and data for EMIF and DDR

2011-12-20 Thread Aneesh V
On Tuesday 20 December 2011 05:05 AM, Tony Lindgren wrote: * Rob Herringrobherri...@gmail.com [111219 14:29]: On 12/19/2011 08:05 AM, Aneesh V wrote: This is an RFC to add new device tree bindings for DDR memories and EMIF - TI's DDR SDRAM controller. The first patch adds bindings for DDR

Re: [RFC v2 PATCH 0/3] dt: device tree bindings and data for EMIF and DDR

2011-12-20 Thread Cousson, Benoit
Hi Aneesh, On 12/20/2011 11:44 AM, Aneesh V wrote: On Tuesday 20 December 2011 05:05 AM, Tony Lindgren wrote: * Rob Herringrobherri...@gmail.com [111219 14:29]: On 12/19/2011 08:05 AM, Aneesh V wrote: This is an RFC to add new device tree bindings for DDR memories and EMIF - TI's DDR SDRAM

Re: [RFC v2 PATCH 0/3] dt: device tree bindings and data for EMIF and DDR

2011-12-20 Thread Aneesh V
Hi Benoit On Tuesday 20 December 2011 06:10 PM, Cousson, Benoit wrote: Hi Aneesh, snip In general, is it really feasible to parse the DTB before DDR is initialized? Changing timings is still needed for DVFS during runtime. But we can boot to userspace with bootloader set timings, so I'm

Re: [RFC v2 PATCH 0/3] dt: device tree bindings and data for EMIF and DDR

2011-12-19 Thread Rob Herring
On 12/19/2011 08:05 AM, Aneesh V wrote: This is an RFC to add new device tree bindings for DDR memories and EMIF - TI's DDR SDRAM controller. The first patch adds bindings for DDR memories. Currently, we have added properties for only DDR3 and LPDDR2 memories. However, the binding can be

Re: [RFC v2 PATCH 0/3] dt: device tree bindings and data for EMIF and DDR

2011-12-19 Thread Tony Lindgren
* Rob Herring robherri...@gmail.com [111219 14:29]: On 12/19/2011 08:05 AM, Aneesh V wrote: This is an RFC to add new device tree bindings for DDR memories and EMIF - TI's DDR SDRAM controller. The first patch adds bindings for DDR memories. Currently, we have added properties for