Messages in this thread | | | Date | Fri, 18 Oct 2013 13:10:54 +0530 | From | Balaji T K <> | Subject | Re: [PATCH 4/6] pinctrl: single: Add support for wake-up interrupts |
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On Friday 11 October 2013 09:31 PM, Tony Lindgren wrote: > * Linus Walleij <linus.walleij@linaro.org> [131011 09:05]: >> On Fri, Oct 11, 2013 at 5:43 PM, Tony Lindgren <tony@atomide.com> wrote: >>> * Linus Walleij <linus.walleij@linaro.org> [131011 03:40]: >>>> On Fri, Oct 11, 2013 at 10:56 AM, Roger Quadros <rogerq@ti.com> wrote: >>>> >>>>> The register handling is fine. But how do we deal with resource handling? >>>>> e.g. the block that has the deep-core registers might need to be clocked or powered >>>>> before the registers can be accessed. >>>> >>>> Yeah I saw this in the code there. >>>> >>>> In this case it seems syscon-type regmap access can be used to >>>> read/write the registers, so maybe the pin controller also need to >>>> get a handle on some clock etc? >>> >>> Uhh, let's not go there.. The resource availability needs to be >>> handled transparently in regmap code and the reg provider hardware >>> module driver using runtime PM. >> >> OK we can surely discuss this with broonie, it makes sense to >> have regmap be able to do its deed transparently. > > Yes I think so too. Sounds like we need callbacks for the runtime PM > checks to the "register provider" driver. Hwo knows, maybe those > features are there already :) >
Hi Tony,
Any conclusion on using regmap for omap control module non-mux registers ?
Thanks and Regards, Balaji T K
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