phy: phy-mtk-tphy: add property to set pre-emphasis
authorChunfeng Yun <chunfeng.yun@mediatek.com>
Wed, 14 Sep 2022 06:07:42 +0000 (14:07 +0800)
committerVinod Koul <vkoul@kernel.org>
Tue, 20 Sep 2022 06:29:05 +0000 (11:59 +0530)
commit930981b425d94fc09e7597779cda870b1838bc99
treec3ce238d7b5bd79a2b576649465a423f59483e69
parent54511f207ca7b3e63c1fbfed949c8ef7a3faaf2b
phy: phy-mtk-tphy: add property to set pre-emphasis

Add a property to set usb2 phy's pre-emphasis, it's disabled by default
on some SoCs.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220914060746.10004-3-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/phy/mediatek/phy-mtk-tphy.c