Re: [PATCH v6 1/4] Runtime Interpreted Power Sequences
From: Stephen Warren
Date: Thu Sep 13 2012 - 11:37:23 EST
On 09/13/2012 01:08 AM, Alex Courbot wrote:
> On Thursday 13 September 2012 14:54:09 Tomi Valkeinen wrote:
>> * PGP Signed by an unknown key
>> On Thu, 2012-09-13 at 15:36 +0900, Alex Courbot wrote:
>>> On Thursday 13 September 2012 14:22:57 Tomi Valkeinen wrote:
>>>> However, I fear these board specific things may be quite a bit
>>>> so it may well be pwm, gpios and regulators are not enough for them.
>>>> example, there could be an FPGA on the board which requires some
>>>> configuration to accomplish the task at hand. It could be rather
>>>> difficult to handle it with a generic power sequence.
>>> Right. Note that this framework is supposed to be extended - I would like
>>> to at least add regulator voltage setting, and maybe even support for
>>> clocks and pinmux (but that might be out of place).
>> Yes, that's one concern of mine... I already can imagine someone
>> suggesting adding conditionals to the power sequence data.
> I took care of that when naming the feature - it is not a "sequence" anymore
> if you have conditionals. :P
>> Perhaps also
>> direct memory read/writes so you can twiddle registers directly. And so
>> on. Where's the limit what it should contain? Can we soon write full
>> drivers with the DT data? =)
> I shall be satisfied the day the kernel is released as one big DT node along
> with the 5KB interpreter that runs it.
I know you're joking, but *cough* OpenFirmware *cough*, right?
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