[U-Boot] [PATCH] rockchip: pinctrl: rk3399: add gmac io strength support

[Simon Glass]

On 20 April 2017 at 02:15, Kever Yang <kever.yang at rock-chips.com> wrote:
> GMAC controller need to init the tx io driver strength to 13mA,
> just like the description in dts pinctrl node, or else the controller
> may only work in 100MHz Mode, and fail to work at 1000MHz mode.
>
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
> ---
>
>  arch/arm/include/asm/arch-rockchip/grf_rk3399.h | 75 +++++++++++++++++++++++--
>  drivers/pinctrl/rockchip/pinctrl_rk3399.c       | 18 ++++++
>  2 files changed, 89 insertions(+), 4 deletions(-)

Reviewed-by: Simon Glass <sjg at chromium.org>