[PATCH 0/1] ARM: OMAP: add external clock provider support

Tero Kristo t-kristo at ti.com
Mon Aug 4 05:36:19 PDT 2014

On 08/04/2014 02:37 PM, Peter Ujfalusi wrote:
> On 08/01/2014 04:15 PM, Tero Kristo wrote:
>> Hi,
>> This patch adds possibility to register external clocks (outside the main
>> SoC) on TI boards through device tree. Clock sources as such include for
>> example twl-6030 / twl-6040 chips and variants which can be used to clock
>> for example audio / WLAN chips.
> Just one question to Mike and Tero:
> would it be possible to have generic binding for such an external clocks?
> We have the palmas clock driver already upstream which handles the 32K clocks
> from the PMIC. Palmas class of PMICs can be used with TI/nVidia(/Intel?)
> platforms. We use Palmas on omap5-uevm, DRA7-EVM also uses Palmas compatible
> PMIC and some nVidia platform also uses this class of devices (and they all
> need to have control over the 32K clock(s)).

Other platforms initialize their clocks in different manner, they can 
use generic of_clk_init I believe. If they can't use that for some 
reason, then they need to implement something similar to this.


>> This patch can be queued once someone has a use-case + patches that requires
>> usage of such clocks.
>> -Tero

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