[U-Boot] [U-Boot, v2] rockchip: rk3288: Add pinctrl support for the gmac ethernet interface

[Philipp Tomsich]

> From: Sjoerd Simons <sjoerd.simons at collabora.co.uk>
> 
> Add support for the gmac ethernet interface to pinctrl. This hardcodes
> the setup to match that of the firefly and Radxa Rock2 boards, using the
> RGMII phy mode for gmac interface and GPIO4B0 as the phy reset GPIO.
> 
> Signed-off-by: Sjoerd Simons <sjoerd.simons at collabora.co.uk>
> Signed-off-by: Romain Perier <romain.perier at collabora.com>
> Acked-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> ---
> 
> Note: The patch has not been merged during the integration of the GMAC
> driver. It fixes the ethernet 1gbs issue (caused by a drive length issue)
> 
> Changes in v2:
> - Added Signed-off-by with my email
> - Fixed coding style issues for GPIO_BIAS and GPIO_PULL
> - Added missing space in comment
> 
>  arch/arm/include/asm/arch-rockchip/grf_rk3288.h | 178 ++++++++++++++++++++++++
>  drivers/pinctrl/rockchip/pinctrl_rk3288.c       | 118 ++++++++++++++++
>  2 files changed, 296 insertions(+)
> 

Reviewed-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>