[U-Boot] [PATCH v8 2/2] pinctrl: at91: add pinctrl driver

[Simon Glass]

On 22 March 2017 at 22:44, Wenyou Yang <wenyou.yang at atmel.com> wrote:
> AT91 PIO controller is a combined gpio-controller, pin-mux and
> pin-config module. The peripheral's pins are assigned through
> per-pin based muxing logic.
>
> Each SoC will have to describe the its limitation and pin
> configuration via device tree. This will allow to do not need
> to touch the C code when adding new SoC if the IP version is
> supported.
>
> Signed-off-by: Wenyou Yang <wenyou.yang at atmel.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>
> ---
>
> Changes in v8:
>  - Rebase on v2017.03.
>
> Changes in v7: None
> Changes in v6: None
> Changes in v5:
>  - Rebase on the master branch on git://git.denx.de/u-boot-atmel.git
>    commit: 0ff27d4a94637d4b1937c625d33212375bd118d9
>
> Changes in v4: None
> Changes in v3:
>  - Add support for OUTPUT config
>
> Changes in v2:
>  - Add more information for the PINCTRL_AT91 option's help.
>  - Add more comments for the callback of struct at91_pinctrl_mux_ops.
>  - Use clrsetbits_le32() in set_drive_strength().
>  - Add the brackets for readability.
>  - Use debug() to print the message to debug, instead of printf().
>  - Remove not veryuseful at91_bank_base().
>  - Add Reviewed-by tag.
>
>  arch/arm/mach-at91/include/mach/at91_pio.h |   6 +-
>  drivers/pinctrl/Kconfig                    |  14 +
>  drivers/pinctrl/Makefile                   |   1 +
>  drivers/pinctrl/pinctrl-at91.c             | 453 +++++++++++++++++++++++++++++
>  include/dt-bindings/pinctrl/at91.h         |   2 +
>  5 files changed, 475 insertions(+), 1 deletion(-)
>  create mode 100644 drivers/pinctrl/pinctrl-at91.c

Applied to u-boot-dm, thanks!