Messages in this thread | | | Date | Thu, 6 Nov 2014 20:30:23 +0100 | Subject | Re: [PATCH v2 0/2] pinctrl: Intel Cherryview/Braswell support | From | Linus Walleij <> |
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On Tue, Nov 4, 2014 at 8:04 PM, Mika Westerberg <mika.westerberg@linux.intel.com> wrote:
> We still need to account the fact that BIOS is supposed to configure the > pins in advance. The pinctrl mappings are just for refining that, like > muxing out the SPI pins instead of GPIOs and so on.
Pinctrl currently has no real way of reading out the state from the hardware and presenting it as a selected group+function combination, it only knows what has been selected intrinsically with the system, so some enhancements may be needed to make pinctrl reflect the state when booting.
Yours, Linus Walleij
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