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| /rk3399_rockchip-uboot/arch/arm/include/asm/arch-rockchip/ |
| H A D | grf_rk3399.h | 602778d3c7ea367bb55f73ec33e8ef8c2c1dcb12 Thu Apr 20 08:15:34 UTC 2017 Kever Yang <kever.yang@rock-chips.com> rockchip: pinctrl: rk3399: add gmac io strength support
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@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com <mailto:philipp.tomsich@theobroma-systems.com>>
Reviewed-by: Simon Glass <sjg@chromium.org>
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