[U-Boot] [PATCH v2 2/5] x86: tangier: pinmux: add API to configure protected pins

[Georgii Staroselskii]

On Wed, Sep 05, 2018 at 09:24:40AM -0600, Simon Glass wrote:
> Hi Georgi,
> 
> On 4 September 2018 at 07:34, Georgii Staroselskii
> <georgii.staroselskii at emlid.com> wrote:
> > This API is going to be used to configure some pins that are protected
> > for simple modification.
> >
> > It's not a comprehensive pinctrl driver but can be turned into one
> > when we need this in the future. Now it is planned to be used only
> > in one place. So that's why I decided not to pollute the codebase with a
> > full-blown pinctrl-merrifield nobody will use.
> >
> > This driver reads corresponding fields in DT and configures pins
> > accordingly.
> >
> > The "protected" flag is used to distinguish configuration of SCU-owned
> > pins from the ordinary ones.
> >
> > The code has been adapted from Linux work done by Andy Shevchenko
> > in pinctrl-merrfifield.c
> >
> > Signed-off-by: Georgii Staroselskii <georgii.staroselskii at emlid.com>
> > ---
> >  arch/x86/cpu/tangier/Makefile |   2 +-
> >  arch/x86/cpu/tangier/pinmux.c | 196 ++++++++++++++++++++++++++++++++++++++++++
> >  2 files changed, 197 insertions(+), 1 deletion(-)
> >  create mode 100644 arch/x86/cpu/tangier/pinmux.c
> >
> 
> Please can you use the livetree API (dev_read_...)?
> 
> Regards,
> Simon

Sure. Will do. It will need CONFIG_OF_LIVE=y for edison_defconfig to be
set. Is there any other modifications or possible regressions that I need
to take into account? Or if I just stick to doc/driver-model/livetree.txt
things should go smoothly?