From: santosh.shilimkar@ti•com (Santosh Shilimkar)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 2/8] clk: keystone: Add gate control clock driver
Date: Tue, 20 Aug 2013 18:54:15 -0400 [thread overview]
Message-ID: <5213F397.6020708@ti.com> (raw)
In-Reply-To: <20130820224128.4443.78729@quantum>
On Tuesday 20 August 2013 06:41 PM, Mike Turquette wrote:
> Quoting Santosh Shilimkar (2013-08-20 14:55:56)
>> On Tuesday 20 August 2013 05:30 PM, Mike Turquette wrote:
[...]
>>>> They are bit different w.r.t OMAP. LPSC itself is the clock control of the
>>>> IP. The LPSC number in the bindings is actually the specific number which
>>>> is used to reach to the address space of the clock control. One can view
>>>> that one as clock control register index.
>>>
>>> Thanks for the information. I have a further question about then: are
>>> the LPSC clocks really module clocks that belong to the IP that they are
>>> gating?
>>>
>> LPSC controls the clock enable/disable to the IP/module so answer is yes.
>> In certain cases LPSC controls clock to more than one IP as well.
>>
>>> If so then they could be defined within the node defining their parent
>>> IP. That might be enough to get rid of the LPSC index value. Again I
>>> might be over-engineering it. Just trying to get an understanding.
>>>
>> Am not sure I follow you here on not having the LPSC index. Sorry.
>
> How are the 'reg' property and the 'lpsc' property related? Does the
> lpsc property modify the register address used to access the clock
> control bits?
>
Yes it does. Currently all nodes use fix address and then lpsc is
used as an index. But I think we can do better by just using the
right(offset) address in the reg property. Will have a look at it
and see what I can do here.
Thanks for asking this questions Mike
regards,
Santosh
next prev parent reply other threads:[~2013-08-20 22:54 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-05 16:12 [PATCH 0/8] clk: keystone: Add common clock drivers and PM bus Santosh Shilimkar
2013-08-05 16:12 ` [PATCH 1/8] clk: keystone: add Keystone PLL clock driver Santosh Shilimkar
2013-08-13 15:48 ` Mark Rutland
2013-08-13 16:01 ` Santosh Shilimkar
2013-08-13 16:47 ` Mark Rutland
2013-08-13 16:58 ` Santosh Shilimkar
2013-08-19 17:42 ` Santosh Shilimkar
2013-08-19 20:33 ` Mike Turquette
2013-08-20 13:41 ` Santosh Shilimkar
2013-08-20 21:23 ` Mike Turquette
2013-08-20 21:46 ` Santosh Shilimkar
2013-08-05 16:12 ` [PATCH 2/8] clk: keystone: Add gate control " Santosh Shilimkar
2013-08-13 16:13 ` Mark Rutland
2013-08-13 16:36 ` Santosh Shilimkar
2013-08-13 16:53 ` Mark Rutland
2013-08-19 20:43 ` Mike Turquette
2013-08-20 13:55 ` Santosh Shilimkar
2013-08-20 21:30 ` Mike Turquette
2013-08-20 21:55 ` Santosh Shilimkar
2013-08-20 22:41 ` Mike Turquette
2013-08-20 22:54 ` Santosh Shilimkar [this message]
2013-08-21 2:22 ` Mike Turquette
2013-08-21 13:16 ` Santosh Shilimkar
2013-08-22 8:12 ` Mike Turquette
2013-08-22 14:10 ` Santosh Shilimkar
2013-08-05 16:12 ` [PATCH 3/8] clk: keystone: common clk driver initialization Santosh Shilimkar
2013-08-05 18:54 ` Nishanth Menon
2013-08-05 19:27 ` Santosh Shilimkar
2013-08-05 16:12 ` [PATCH 4/8] clk: keystone: Build Keystone clock drivers Santosh Shilimkar
2013-08-05 16:12 ` [PATCH 5/8] ARM: dts: keystone: Add clock tree data to devicetree Santosh Shilimkar
2013-08-05 16:12 ` [PATCH 6/8] ARM: dts: keystone: Add clock phandle to UART nodes Santosh Shilimkar
2013-08-05 16:12 ` [PATCH 7/8] ARM: keystone: Enable and initialise clock drivers Santosh Shilimkar
2013-08-05 16:12 ` [PATCH 8/8] ARM: keystone: add PM bus support for clock management Santosh Shilimkar
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