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

[Simon Glass]

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