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the phy config values used to fix in dp firmware, but some boards need change these values to do training and get the better eye diagram result. So support that in phy driver. Signed-off-by: Chris Zhong <zyw@rock-chips.com> Signed-off-by: Lin Huang <hl@rock-chips.com> (am from https://patchwork.kernel.org/patch/10420473/) Conflicts: drivers/phy/phy-rockchip-typec.c [phy-rockchip-typec.c is different path in upstream code] BUG=b:72006974 TEST=DP can display on Dru Signed-off-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Lin Huang <hl@rock-chips.com> Signed-off-by: Brian Norris <briannorris@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1032713 Change-Id: I8a63307ad5cb690d819779662d70ae1c232842a5 Signed-off-by: Wyon Bi <bivvy.bi@rock-chips.com>