OMAP: Configuring CONTROL_DEVCONF0 register via DT with pinctrl

Tony Lindgren tony at atomide.com
Thu Aug 9 16:36:13 EST 2012


* Peter Ujfalusi <peter.ujfalusi at ti.com> [120808 04:53]:
> On 08/07/2012 02:10 PM, Tony Lindgren wrote:
> > You need to also consider that CONTROL_DEVCONF0 has the MMC/SDIO module input
> > clock selection. So pinctrl-single binding would have to be expanded to also
> > support one-bit-per-mux type registers in addition to one-register-per-mux
> > registers. And then this could also be used for the MMC/SDIO module input clock.
> 
> Or if the clock selection for MMC/SDIO also static on a board we can just do
> the mux config once, configuring McBSP1 and MMC/SDIO at the same time?

Although the DEVCONF0 and 1 seem static, at least with pinctrl framework we
can keep it dynamic if needed and we're not relying on buggy bootloaders to
set it up.

Regards,

Tony


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