[PATCH 0/3] pinctrl: single: support #pinctrl-cells = 2
drew at beagleboard.org
Mon Jun 22 12:46:28 EDT 2020
On Mon, Jun 22, 2020 at 09:11:32AM -0700, Tony Lindgren wrote:
> * Drew Fustini <drew at beagleboard.org> [200618 05:52]:
> > Currently, pinctrl-single only allows #pinctrl-cells = 1.
> > This series will allow pinctrl-single to also support #pinctrl-cells = 2
> > If "pinctrl-single,pins" has 3 arguments (offset, conf, mux) then
> > pcs_parse_one_pinctrl_entry() does an OR operation on to get the
> > value to store in the register.
> > To take advantage of #pinctrl-cells = 2, the AM33XX_PADCONF macro in
> > omap.h is modified to keep pin conf and pin mux values separate.
> Hmm to me it looks like the order of the patches is the
> wrong way around here. Don't we need to first change
> pinctrl-single.c, and then only after that update the
> dts? And make sure the pinctrl-single.c change does not
> break anything without changing the dts :)
Thanks for pointing this out.
I'll submit new version where:
[PATCH 1/3] pinctrl: single: parse #pinctrl-cells = 2
[PATCH 2/3] ARM: dts: change AM33XX_PADCONF macro separate conf and mux
[PATCH 3/3] ARM: dts: am33xx-l4: change #pinctrl-cells from 1 to 2
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